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  • 2020-2022
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  • 101
    Publication Date: 2005-03-26
    Description: Major phenotypic changes evolve in parallel in nature by molecular mechanisms that are largely unknown. Here, we use positional cloning methods to identify the major chromosome locus controlling armor plate patterning in wild threespine sticklebacks. Mapping, sequencing, and transgenic studies show that the Ectodysplasin (EDA) signaling pathway plays a key role in evolutionary change in natural populations and that parallel evolution of stickleback low-plated phenotypes at most freshwater locations around the world has occurred by repeated selection of Eda alleles derived from an ancestral low-plated haplotype that first appeared more than two million years ago. Members of this clade of low-plated alleles are present at low frequencies in marine fish, which suggests that standing genetic variation can provide a molecular basis for rapid, parallel evolution of dramatic phenotypic change in nature.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Colosimo, Pamela F -- Hosemann, Kim E -- Balabhadra, Sarita -- Villarreal, Guadalupe Jr -- Dickson, Mark -- Grimwood, Jane -- Schmutz, Jeremy -- Myers, Richard M -- Schluter, Dolph -- Kingsley, David M -- 1P50HG02568/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 2005 Mar 25;307(5717):1928-33.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Developmental Biology, Stanford University School of Medicine, Stanford, CA 94305-5329, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15790847" target="_blank"〉PubMed〈/a〉
    Keywords: *Alleles ; Amino Acid Sequence ; Animals ; Animals, Genetically Modified ; *Biological Evolution ; Body Patterning ; Chromosome Walking ; Cloning, Molecular ; Ectodysplasins ; Fresh Water ; Gene Frequency ; Genetic Variation ; Haplotypes ; Linkage Disequilibrium ; Membrane Proteins/*genetics/physiology ; Molecular Sequence Data ; Mutation ; Phenotype ; Phylogeny ; Polymorphism, Single Nucleotide ; Seawater ; Selection, Genetic ; Sequence Analysis, DNA ; Signal Transduction ; Smegmamorpha/*anatomy & histology/classification/*genetics/growth & development
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 102
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-10-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, Jean -- New York, N.Y. -- Science. 2005 Oct 28;310(5748):603.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16254158" target="_blank"〉PubMed〈/a〉
    Keywords: DNA-Binding Proteins/*genetics ; Gene Expression Regulation, Neoplastic ; Humans ; Male ; Membrane Proteins/*genetics ; Neoplasm Proteins/*genetics ; Oncogene Proteins, Fusion/*genetics ; Prostatic Neoplasms/*genetics ; Serine Endopeptidases/*genetics ; Trans-Activators/*genetics ; Transcription Factors/*genetics
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  • 103
    Publication Date: 2005-03-19
    Description: Type VII collagen defects cause recessive dystrophic epidermolysis bullosa (RDEB), a blistering skin disorder often accompanied by epidermal cancers. To study the role of collagen VII in these cancers, we examined Ras-driven tumorigenesis in RDEB keratinocytes. Cells devoid of collagen VII did not form tumors in mice, whereas those retaining a specific collagen VII fragment (the amino-terminal noncollagenous domain NC1) were tumorigenic. Forced NC1 expression restored tumorigenicity to collagen VII-null epidermis in a non-cell-autonomous fashion. Fibronectin-like sequences within NC1 (FNC1) promoted tumor cell invasion in a laminin 5-dependent manner and were required for tumorigenesis. Tumor-stroma interactions mediated by collagen VII thus promote neoplasia, and retention of NC1 sequences in a subset of RDEB patients may contribute to their increased susceptibility to squamous cell carcinoma.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ortiz-Urda, Susana -- Garcia, John -- Green, Cheryl L -- Chen, Lei -- Lin, Qun -- Veitch, Dallas P -- Sakai, Lynn Y -- Lee, Hyangkyu -- Marinkovich, M Peter -- Khavari, Paul A -- AR43799/AR/NIAMS NIH HHS/ -- AR44012/AR/NIAMS NIH HHS/ -- New York, N.Y. -- Science. 2005 Mar 18;307(5716):1773-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉VA Palo Alto Healthcare System, Palo Alto, CA 94304, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15774758" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Animals ; Antibodies/immunology ; Apoptosis ; Carcinoma, Squamous Cell/etiology/*physiopathology ; Cell Adhesion Molecules/immunology/metabolism ; Cell Proliferation ; Cell Transformation, Neoplastic ; Child ; Collagen Type VII/chemistry/*genetics/immunology/*physiology ; Disease Susceptibility ; Epidermolysis Bullosa Dystrophica/complications/*genetics/metabolism/pathology ; Female ; *Genes, ras ; Humans ; I-kappa B Proteins/genetics/metabolism ; Keratinocytes/*metabolism/pathology ; Male ; Mice ; Mice, SCID ; Middle Aged ; Mutation ; Neoplasm Invasiveness ; Protein Structure, Tertiary ; Skin Neoplasms/etiology/pathology/*physiopathology
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  • 104
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-05-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Forster, Peter -- Matsumura, Shuichi -- New York, N.Y. -- Science. 2005 May 13;308(5724):965-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉McDonald Institute for Archaeological Research, University of Cambridge, Cambridge CB2 3ER, UK. pf223@cam.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15890867" target="_blank"〉PubMed〈/a〉
    Keywords: Africa ; Australia ; Biological Evolution ; DNA, Mitochondrial/*genetics ; Emigration and Immigration ; Ethnic Groups/*genetics ; Europe ; Female ; Fossils ; Founder Effect ; Genetic Variation ; Genetics, Population ; History, Ancient ; Humans ; India ; Indian Ocean ; Malaysia ; Male ; *Population Dynamics ; Time
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 105
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-10-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Koenig, Robert -- New York, N.Y. -- Science. 2005 Oct 28;310(5748):608-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16254161" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; Fossils ; History, 20th Century ; History, 21st Century ; Hominidae ; Humans ; Male ; Paleontology/*history ; South Africa
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  • 106
    Publication Date: 2005-10-29
    Description: Ciliary neurotrophic factor (CNTF) induces weight loss in obese rodents and humans, and for reasons that are not understood, its effects persist after the cessation of treatment. Here we demonstrate that centrally administered CNTF induces cell proliferation in feeding centers of the murine hypothalamus. Many of the newborn cells express neuronal markers and show functional phenotypes relevant for energy-balance control, including a capacity for leptin-induced phosphorylation of signal transducer and activator of transcription 3 (STAT3). Coadministration of the mitotic blocker cytosine-beta-d-arabinofuranoside (Ara-C) eliminates the proliferation of neural cells and abrogates the long-term, but not the short-term, effect of CNTF on body weight. These findings link the sustained effect of CNTF on energy balance to hypothalamic neurogenesis and suggest that regulated hypothalamic neurogenesis in adult mice may play a previously unappreciated role in physiology and disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kokoeva, Maia V -- Yin, Huali -- Flier, Jeffrey S -- DKR3728082/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 2005 Oct 28;310(5748):679-83.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Endocrinology, Department of Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, 99 Brookline Avenue, Boston, MA 02215, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16254185" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Body Weight/physiology ; Bromodeoxyuridine/administration & dosage ; Cell Proliferation/drug effects ; Ciliary Neurotrophic Factor/administration & dosage/*physiology ; Cytarabine/pharmacology ; Energy Metabolism ; Hypothalamus/cytology/*physiology ; Injections, Intraventricular ; Leptin/metabolism ; Male ; Mice ; Mice, Inbred C57BL ; Microtubule-Associated Proteins/biosynthesis ; Neurons/cytology/drug effects/*physiology ; Neuropeptide Y/metabolism ; Neuropeptides/biosynthesis ; Pro-Opiomelanocortin/metabolism ; RNA, Messenger/metabolism ; Receptor, Ciliary Neurotrophic Factor/genetics/metabolism ; STAT3 Transcription Factor/metabolism
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  • 107
    Publication Date: 2005-03-12
    Description: Age-related macular degeneration (AMD) is a major cause of blindness in the elderly. We report a genome-wide screen of 96 cases and 50 controls for polymorphisms associated with AMD. Among 116,204 single-nucleotide polymorphisms genotyped, an intronic and common variant in the complement factor H gene (CFH) is strongly associated with AMD (nominal P value 〈10(-7)). In individuals homozygous for the risk allele, the likelihood of AMD is increased by a factor of 7.4 (95% confidence interval 2.9 to 19). Resequencing revealed a polymorphism in linkage disequilibrium with the risk allele representing a tyrosine-histidine change at amino acid 402. This polymorphism is in a region of CFH that binds heparin and C-reactive protein. The CFH gene is located on chromosome 1 in a region repeatedly linked to AMD in family-based studies.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1512523/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1512523/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Klein, Robert J -- Zeiss, Caroline -- Chew, Emily Y -- Tsai, Jen-Yue -- Sackler, Richard S -- Haynes, Chad -- Henning, Alice K -- SanGiovanni, John Paul -- Mane, Shrikant M -- Mayne, Susan T -- Bracken, Michael B -- Ferris, Frederick L -- Ott, Jurg -- Barnstable, Colin -- Hoh, Josephine -- K01RR16090/RR/NCRR NIH HHS/ -- K25HG000060/HG/NHGRI NIH HHS/ -- R01EY015771/EY/NEI NIH HHS/ -- R01MH44292/MH/NIMH NIH HHS/ -- Z99 EY999999/Intramural NIH HHS/ -- ZIA EY000489-01/Intramural NIH HHS/ -- New York, N.Y. -- Science. 2005 Apr 15;308(5720):385-9. Epub 2005 Mar 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Statistical Genetics, Rockefeller University, 1230 York Avenue, New York, NY 10021, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15761122" target="_blank"〉PubMed〈/a〉
    Keywords: Aged ; Aged, 80 and over ; Aging ; Alleles ; Amino Acid Substitution ; Case-Control Studies ; Choroid/immunology ; Chromosomes, Human, Pair 1/genetics ; Complement Factor H/chemistry/*genetics/physiology ; Complement Membrane Attack Complex/analysis ; Exons ; Female ; Genetic Markers ; Genetic Predisposition to Disease ; Genotype ; Haplotypes ; Histidine/genetics ; Humans ; Immunity, Innate ; Introns ; Linkage Disequilibrium ; Macular Degeneration/*genetics ; Male ; Oligonucleotide Array Sequence Analysis ; Pigment Epithelium of Eye/immunology ; Polymorphism, Genetic ; *Polymorphism, Single Nucleotide ; Risk Factors ; Smoking
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  • 108
    Publication Date: 2005-02-05
    Description: In animals, scaling relationships between appendages and body size exhibit high interspecific variation but low intraspecific variation. This pattern could result from natural selection for specific allometries or from developmental constraints on patterns of differential growth. We performed artificial selection on the allometry between forewing area and body size in a butterfly to test for developmental constraints, and then used the resultant increased range of phenotypic variation to quantify natural selection on the scaling relationship. Our results show that the short-term evolution of allometries is not limited by developmental constraints. Instead, scaling relationships are shaped by strong natural selection.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3198854/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3198854/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Frankino, W Anthony -- Zwaan, Bas J -- Stern, David L -- Brakefield, Paul M -- R01 GM063622/GM/NIGMS NIH HHS/ -- R01 GM063622-01/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2005 Feb 4;307(5710):718-20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Section of Evolutionary Biology, Institute of Biology, Leiden University, P.O. Box 9516, 2300 RA Leiden, Netherlands. frankino@alumni.indiana.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15692049" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Animals ; *Biological Evolution ; Body Size ; Butterflies/*anatomy & histology/growth & development/physiology ; Crosses, Genetic ; Female ; Flight, Animal ; Genetic Variation ; Male ; Phenotype ; Reproduction ; *Selection, Genetic ; Wings, Animal/*anatomy & histology/growth & development/physiology
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  • 109
    Publication Date: 2005-11-19
    Description: The attack on the World Trade Center on 9/11/2001 challenged current approaches to forensic DNA typing methods. The large number of victims and the extreme thermal and physical conditions of the site necessitated special approaches to the DNA-based identification. Because of these and many additional challenges, new procedures were created or modified from routine forensic protocols. This effort facilitated the identification of 1594 of the 2749 victims. In this Policy Forum, the authors, who were were members of the World Trade Center Kinship and Data Analysis Panel, review the lessons of the attack response from the perspective of DNA forensic identification and suggest policies and procedures for future mass disasters or large-scale terrorist attacks.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Biesecker, Leslie G -- Bailey-Wilson, Joan E -- Ballantyne, Jack -- Baum, Howard -- Bieber, Frederick R -- Brenner, Charles -- Budowle, Bruce -- Butler, John M -- Carmody, George -- Conneally, P Michael -- Duceman, Barry -- Eisenberg, Arthur -- Forman, Lisa -- Kidd, Kenneth K -- Leclair, Benoit -- Niezgoda, Steven -- Parsons, Thomas J -- Pugh, Elizabeth -- Shaler, Robert -- Sherry, Stephen T -- Sozer, Amanda -- Walsh, Anne -- New York, N.Y. -- Science. 2005 Nov 18;310(5751):1122-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16293742" target="_blank"〉PubMed〈/a〉
    Keywords: Dna ; *DNA Fingerprinting/methods ; DNA, Mitochondrial ; Disaster Planning ; Family ; Female ; Forecasting ; Genetic Markers ; Humans ; Male ; *September 11 Terrorist Attacks ; Specimen Handling ; United States
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  • 110
    Publication Date: 2005-02-01
    Description: Lupus, a multigenic autoimmune condition in which a breakdown of tolerance results in the development of autoantibodies, leads to a variety of pathologic outcomes. Despite the heterogeneity of factors influencing disease susceptibility, we demonstrate that the partial restoration of inhibitory Fc receptor (FcgRIIB) levels on B cells in lupus-prone mouse strains is sufficient to restore tolerance and prevent autoimmunity. FcgRIIB regulates a common B cell checkpoint in genetically diverse lupus-prone mouse strains, and modest changes in its expression can result in either tolerance or autoimmunity. Therefore, increasing FcgammaRIIB levels on B cells may be an effective way to treat autoimmune diseases.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McGaha, Tracy L -- Sorrentino, Brian -- Ravetch, Jeffrey V -- New York, N.Y. -- Science. 2005 Jan 28;307(5709):590-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Molecular Genetics and Immunology, The Rockefeller University, 1230 York Avenue, New York, NY 10021, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15681388" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Antinuclear/blood ; Autoantibodies/blood ; B-Lymphocytes/*immunology ; Bone Marrow Transplantation ; Chromatin/immunology ; Female ; Genetic Vectors ; Kidney/pathology ; Lung/pathology ; Lupus Erythematosus, Systemic/*immunology/pathology/physiopathology/*therapy ; Macrophages/immunology ; Male ; Mice ; Mice, Inbred C57BL ; Myeloid Cells/immunology ; Receptors, IgG/genetics/*metabolism ; Retroviridae/genetics ; *Self Tolerance ; T-Lymphocytes/immunology ; Transduction, Genetic
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  • 111
    Publication Date: 2005-04-02
    Description: Neuronal groups can interact with each other even if they are widely separated. One group might modulate its firing rate or its internal oscillatory synchronization to influence another group. We propose that coherence between two neuronal groups is a mechanism of efficient interaction, because it renders mutual input optimally timed and thereby maximally effective. Modulations of subjects' readiness to respond in a simple reaction-time task were closely correlated with the strength of gamma-band (40 to 70 hertz) coherence between motor cortex and spinal cord neurons. This coherence may contribute to an effective corticospinal interaction and shortened reaction times.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schoffelen, Jan-Mathijs -- Oostenveld, Robert -- Fries, Pascal -- New York, N.Y. -- Science. 2005 Apr 1;308(5718):111-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉F. C. Donders Centre for Cognitive Neuroimaging, Radboud University Nijmegen, 6525 EK Nijmegen, Netherlands. jan.schoffelen@fcdonders.ru.nl〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15802603" target="_blank"〉PubMed〈/a〉
    Keywords: Action Potentials ; Adult ; Electromyography ; Female ; Humans ; Magnetoencephalography ; Male ; Motor Cortex/*physiology ; Motor Neurons/*physiology ; Photic Stimulation ; Psychomotor Performance ; *Reaction Time ; Spinal Cord/*physiology
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  • 112
    Publication Date: 2005-12-24
    Description: The mechanisms that protect mammalian cells against amino acid deprivation are only partially understood. We found that during an acute decrease in external amino acid supply, before up-regulation of the autophagosomal-lysosomal pathway, efficient translation was ensured by proteasomal protein degradation. Amino acids for the synthesis of new proteins were supplied by the degradation of preexisting proteins, whereas nascent and newly formed polypeptides remained largely protected from proteolysis. Proteasome inhibition during nutrient deprivation caused rapid amino acid depletion and marked impairment of translation. Thus, the proteasome plays a crucial role in cell survival after acute disruption of amino acid supply.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vabulas, Ramunas M -- Hartl, F Ulrich -- New York, N.Y. -- Science. 2005 Dec 23;310(5756):1960-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cellular Biochemistry, Max Planck Institute of Biochemistry, Am Klopferspitz 18, D-82152 Martinsried, Germany. vabulas@biochem.mpg.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16373576" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acids/*metabolism ; Azetidinecarboxylic Acid/metabolism ; Cell Line ; Green Fluorescent Proteins/genetics ; HeLa Cells ; Humans ; Proteasome Endopeptidase Complex/*physiology ; Proteasome Inhibitors ; Protein Biosynthesis/*physiology ; Protein Kinases/metabolism ; Ubiquitin/genetics
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  • 113
    Publication Date: 2005-05-28
    Description: To estimate the cause-effect relationship between exposure to firearm violence and subsequent perpetration of serious violence, we applied the analytic method of propensity stratification to longitudinal data on adolescents residing in Chicago, Illinois. Results indicate that exposure to firearm violence approximately doubles the probability that an adolescent will perpetrate serious violence over the subsequent 2 years.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bingenheimer, Jeffrey B -- Brennan, Robert T -- Earls, Felton J -- New York, N.Y. -- Science. 2005 May 27;308(5726):1323-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Health Behavior and Health Education, 1420 Washington Heights, University of Michigan School of Public Health, Ann Arbor, MI 48109-2029, USA. bartbing@umich.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15919997" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; *Adolescent Behavior ; Bias (Epidemiology) ; Chicago ; Crime ; Demography ; Family Characteristics ; Female ; *Firearms ; Humans ; Intelligence ; Juvenile Delinquency ; Likelihood Functions ; Logistic Models ; Longitudinal Studies ; Male ; Peer Group ; Probability ; Residence Characteristics ; Social Environment ; Socioeconomic Factors ; Temperament ; *Violence
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  • 114
    Publication Date: 2005-11-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Garcia-Moreno, Claudia -- Heise, Lori -- Jansen, Henrica A F M -- Ellsberg, Mary -- Watts, Charlotte -- New York, N.Y. -- Science. 2005 Nov 25;310(5752):1282-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Gender, Women and Health, World Health Organization, Geneva, Switzerland. garciamorenoc@who.int〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16311321" target="_blank"〉PubMed〈/a〉
    Keywords: *Battered Women/psychology/statistics & numerical data ; Cultural Characteristics ; Developed Countries ; Developing Countries ; *Domestic Violence/prevention & control/psychology/statistics & numerical data ; Female ; Humans ; Male ; Pregnancy ; Prevalence ; *Public Health ; *Spouse Abuse ; Women's Health Services ; World Health Organization
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  • 115
    Publication Date: 2005-06-04
    Description: Closely related signals often lead to very different cellular outcomes. We found that the differentiation of human mesenchymal stem cells into bone-forming cells is stimulated by epidermal growth factor (EGF) but not platelet-derived growth factor (PDGF). We used mass spectrometry-based proteomics to comprehensively compare proteins that were tyrosine phosphorylated in response to EGF and PDGF and their associated partners. More than 90% of these signaling proteins were used by both ligands, whereas the phosphatidylinositol 3-kinase (PI3K) pathway was exclusively activated by PDGF, implicating it as a possible control point. Indeed, chemical inhibition of PI3K in PDGF-stimulated cells removed the differential effect of the two growth factors, bestowing full differentiation effect onto PDGF. Thus, quantitative proteomics can directly compare entire signaling networks and discover critical differences capable of changing cell fate.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kratchmarova, Irina -- Blagoev, Blagoy -- Haack-Sorensen, Mandana -- Kassem, Moustapha -- Mann, Matthias -- New York, N.Y. -- Science. 2005 Jun 3;308(5727):1472-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Experimental BioInformatics (CEBI), Department of Biochemistry and Molecular Biology, University of Southern Denmark, Campusvej 55, DK-5230 Odense M, Denmark.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15933201" target="_blank"〉PubMed〈/a〉
    Keywords: *Cell Differentiation ; Cell Line ; Epidermal Growth Factor/*physiology ; Fibroblast Growth Factors/physiology ; Humans ; MAP Kinase Signaling System ; Mesoderm/*cytology ; Nerve Growth Factor/physiology ; Osteoblasts/cytology ; Phosphatidylinositol 3-Kinases/metabolism ; Phosphorylation ; Platelet-Derived Growth Factor/*physiology ; Proteins/metabolism ; Proteomics ; Signal Transduction ; Stem Cells/*cytology ; Tyrosine/metabolism
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  • 116
    Publication Date: 2005-05-10
    Description: Thermostabilizing an enzyme while maintaining its activity for industrial or biomedical applications can be difficult with traditional selection methods. We describe a rapid computational approach that identified three mutations within a model enzyme that produced a 10 degrees C increase in apparent melting temperature T(m) and a 30-fold increase in half-life at 50 degrees C, with no reduction in catalytic efficiency. The effects of the mutations were synergistic, giving an increase in excess of the sum of their individual effects. The redesigned enzyme induced an increased, temperature-dependent bacterial growth rate under conditions that required its activity, thereby coupling molecular and metabolic engineering.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3412875/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3412875/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Korkegian, Aaron -- Black, Margaret E -- Baker, David -- Stoddard, Barry L -- CA85939/CA/NCI NIH HHS/ -- CA97328/CA/NCI NIH HHS/ -- GM49857/GM/NIGMS NIH HHS/ -- GM59224/GM/NIGMS NIH HHS/ -- R01 CA097328/CA/NCI NIH HHS/ -- R01 GM049857/GM/NIGMS NIH HHS/ -- T32-GM08268/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2005 May 6;308(5723):857-60.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Basic Sciences, Fred Hutchinson Cancer Research Center (FHCRC), 1100 Fairview Avenue North, Seattle, WA 98109, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15879217" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Binding Sites ; Catalysis ; Circular Dichroism ; *Computer Simulation ; Crystallography, X-Ray ; Cytosine Deaminase/*chemistry/*metabolism ; Enzyme Stability ; Escherichia coli/genetics/metabolism ; Kinetics ; Models, Molecular ; Molecular Sequence Data ; Monte Carlo Method ; Mutagenesis, Site-Directed ; Point Mutation ; Protein Conformation ; Protein Denaturation ; *Protein Engineering ; Protein Folding ; Protein Structure, Secondary ; Software ; Temperature ; Thermodynamics ; Transformation, Genetic ; Yeasts/enzymology
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  • 117
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-11-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vogel, Gretchen -- New York, N.Y. -- Science. 2005 Nov 18;310(5751):1100.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16293726" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Line ; Cloning, Organism/*ethics ; Cooperative Behavior ; Embryo Research/*ethics ; Female ; Humans ; Korea ; Oocytes/cytology ; Pennsylvania ; *Politics ; *Stem Cells ; Tissue and Organ Procurement/ethics
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  • 118
    Publication Date: 2005-08-27
    Description: A defect in Klotho gene expression in mice accelerates the degeneration of multiple age-sensitive traits. Here, we show that overexpression of Klotho in mice extends life span. Klotho protein functions as a circulating hormone that binds to a cell-surface receptor and represses intracellular signals of insulin and insulin-like growth factor 1 (IGF1), an evolutionarily conserved mechanism for extending life span. Alleviation of aging-like phenotypes in Klotho-deficient mice was observed by perturbing insulin and IGF1 signaling, suggesting that Klotho-mediated inhibition of insulin and IGF1 signaling contributes to its anti-aging properties. Klotho protein may function as an anti-aging hormone in mammals.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2536606/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2536606/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kurosu, Hiroshi -- Yamamoto, Masaya -- Clark, Jeremy D -- Pastor, Johanne V -- Nandi, Animesh -- Gurnani, Prem -- McGuinness, Owen P -- Chikuda, Hirotaka -- Yamaguchi, Masayuki -- Kawaguchi, Hiroshi -- Shimomura, Iichiro -- Takayama, Yoshiharu -- Herz, Joachim -- Kahn, C Ronald -- Rosenblatt, Kevin P -- Kuro-o, Makoto -- R01 AG019712/AG/NIA NIH HHS/ -- R01 AG019712-05/AG/NIA NIH HHS/ -- R01 AG025326/AG/NIA NIH HHS/ -- R01 AG025326-03/AG/NIA NIH HHS/ -- R01AG19712/AG/NIA NIH HHS/ -- R01AG25326/AG/NIA NIH HHS/ -- R37 HL063762/HL/NHLBI NIH HHS/ -- U24 DK059637/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 2005 Sep 16;309(5742):1829-33. Epub 2005 Aug 25.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, University of Texas (UT) Southwestern Medical Center at Dallas, 5323 Harry Hines Bouleuvard, Dallas, TX 75390-9072, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16123266" target="_blank"〉PubMed〈/a〉
    Keywords: Aging/genetics/*physiology ; Animals ; Blood Glucose/analysis ; Cell Line ; Cell Line, Tumor ; Eating ; Female ; Glucuronidase ; Insulin/blood/metabolism ; Insulin Resistance ; Insulin-Like Growth Factor I/metabolism/pharmacology ; Ligands ; Longevity/genetics/*physiology ; Male ; Membrane Proteins/chemistry/*genetics/pharmacology/*physiology ; Mice ; Mice, Transgenic ; Myoblasts/metabolism ; Oxygen Consumption ; Peptide Fragments/chemistry/pharmacology ; Phosphorylation ; Receptor, IGF Type 1/metabolism ; Receptor, Insulin/metabolism ; Receptors, Cell Surface/metabolism ; Recombinant Proteins/chemistry/isolation & purification/metabolism ; Signal Transduction
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  • 119
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-09-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vogel, Gretchen -- New York, N.Y. -- Science. 2005 Sep 23;309(5743):1982-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16179446" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Communication ; Cell Differentiation ; Cell Line ; Cells, Cultured ; Embryo, Mammalian/*cytology ; Female ; Genomic Imprinting ; Humans ; Male ; Meiosis ; *Oocytes/cytology/physiology ; Ovary/cytology/physiology ; *Spermatozoa/cytology/physiology ; *Stem Cells/cytology/physiology ; Testis/cytology/physiology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 120
    Publication Date: 2005-02-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Couzin, Jennifer -- Kaiser, Jocelyn -- New York, N.Y. -- Science. 2005 Feb 18;307(5712):1028.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15718439" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Advisory Committees ; *Clinical Trials as Topic ; France ; Genetic Diseases, X-Linked/*therapy ; Genetic Therapy/*adverse effects/*legislation & jurisprudence ; Humans ; Infant ; Jurisprudence ; Leukemia/etiology ; Male ; National Institutes of Health (U.S.) ; Severe Combined Immunodeficiency/*therapy ; United States ; United States Food and Drug Administration
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  • 121
    Publication Date: 2005-10-08
    Description: A fundamental assumption of theories of decision-making is that we detect mismatches between intention and outcome, adjust our behavior in the face of error, and adapt to changing circumstances. Is this always the case? We investigated the relation between intention, choice, and introspection. Participants made choices between presented face pairs on the basis of attractiveness, while we covertly manipulated the relationship between choice and outcome that they experienced. Participants failed to notice conspicuous mismatches between their intended choice and the outcome they were presented with, while nevertheless offering introspectively derived reasons for why they chose the way they did. We call this effect choice blindness.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Johansson, Petter -- Hall, Lars -- Sikstrom, Sverker -- Olsson, Andreas -- New York, N.Y. -- Science. 2005 Oct 7;310(5745):116-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Lund University Cognitive Science, Lund University, Kungshuset Lundagard, 222 22 Lund, Sweden.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16210542" target="_blank"〉PubMed〈/a〉
    Keywords: *Choice Behavior ; *Decision Making ; Esthetics ; Face ; Female ; Humans ; *Intention ; Male ; Thinking
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  • 122
    Publication Date: 2005-08-27
    Description: We have explored the use of embryonic stem cells as an alternative to oocytes for reprogramming human somatic nuclei. Human embryonic stem (hES) cells were fused with human fibroblasts, resulting in hybrid cells that maintain a stable tetraploid DNA content and have morphology, growth rate, and antigen expression patterns characteristic of hES cells. Differentiation of hybrid cells in vitro and in vivo yielded cell types from each embryonic germ layer. Analysis of genome-wide transcriptional activity, reporter gene activation, allele-specific gene expression, and DNA methylation showed that the somatic genome was reprogrammed to an embryonic state. These results establish that hES cells can reprogram the transcriptional state of somatic nuclei and provide a system for investigating the underlying mechanisms.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cowan, Chad A -- Atienza, Jocelyn -- Melton, Douglas A -- Eggan, Kevin -- New York, N.Y. -- Science. 2005 Aug 26;309(5739):1369-73.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Harvard Stem Cell Institute, Department of Molecular and Cellular Biology, Harvard University, 7 Divinity Avenue, Cambridge, MA 02138, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16123299" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Animals ; Biomarkers/analysis ; Cell Cycle ; Cell Differentiation ; *Cell Fusion ; Cell Line ; Cell Nucleus/*physiology ; Cell Shape ; Cell Transplantation ; Chromosomes, Human/genetics ; Embryo, Mammalian/*cytology ; Epigenesis, Genetic ; Female ; Fibroblasts/cytology/*physiology ; Gene Expression Profiling ; Gene Expression Regulation, Developmental ; Humans ; Hybrid Cells/cytology/*physiology ; Male ; Mice ; Mice, Nude ; Phenotype ; Pluripotent Stem Cells/cytology/*physiology ; Polyploidy ; Teratoma/pathology ; Transcription, Genetic ; Transcriptional Activation ; Transfection
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  • 123
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-10-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Landry, Stuart O -- New York, N.Y. -- Science. 2005 Sep 30;309(5744):2163-6; author reply 2163-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16200664" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cercocebus/*anatomy & histology/*classification ; Male ; Photography ; Tanzania ; *Terminology as Topic
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  • 124
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-02-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2005 Feb 18;307(5712):1029-31.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15718441" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blattellidae/*chemistry/physiology ; Electrodes ; Female ; Insect Control ; Male ; Molecular Structure ; Quinones/chemical synthesis/*chemistry/*isolation & purification/pharmacology ; Sense Organs/drug effects/physiology ; Sex Attractants/chemical synthesis/*chemistry/*isolation & ; purification/pharmacology
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  • 125
    Publication Date: 2005-07-16
    Description: Apolipoprotein L-I is the trypanolytic factor of human serum. Here we show that this protein contains a membrane pore-forming domain functionally similar to that of bacterial colicins, flanked by a membrane-addressing domain. In lipid bilayer membranes, apolipoprotein L-I formed anion channels. In Trypanosoma brucei, apolipoprotein L-I was targeted to the lysosomal membrane and triggered depolarization of this membrane, continuous influx of chloride, and subsequent osmotic swelling of the lysosome until the trypanosome lysed.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Perez-Morga, David -- Vanhollebeke, Benoit -- Paturiaux-Hanocq, Francoise -- Nolan, Derek P -- Lins, Laurence -- Homble, Fabrice -- Vanhamme, Luc -- Tebabi, Patricia -- Pays, Annette -- Poelvoorde, Philippe -- Jacquet, Alain -- Brasseur, Robert -- Pays, Etienne -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2005 Jul 15;309(5733):469-72.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Molecular Parasitology, IBMM, Universite Libre de Bruxelles, 12, rue des Profs Jeener et Brachet, B6041 Gosselies, Belgium.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16020735" target="_blank"〉PubMed〈/a〉
    Keywords: 4,4'-Diisothiocyanostilbene-2,2'-Disulfonic Acid/pharmacology ; Amino Acid Sequence ; Animals ; Anions/metabolism ; Apolipoproteins/*chemistry/genetics/*metabolism/pharmacology ; Cells, Immobilized ; Chlorides/metabolism ; Colicins/chemistry/pharmacology ; Escherichia coli/drug effects/growth & development ; Humans ; Intracellular Membranes/drug effects/*metabolism/ultrastructure ; Ion Channels/metabolism ; Lipid Bilayers/chemistry ; Lipoproteins, HDL/*chemistry/genetics/*metabolism/pharmacology ; Lysosomes/drug effects/*metabolism/ultrastructure ; Models, Molecular ; Molecular Sequence Data ; Mutation ; Permeability ; Protein Conformation ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Recombinant Proteins/metabolism ; Trypanosoma brucei brucei/drug effects/*metabolism/ultrastructure
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  • 126
    Publication Date: 2005-04-12
    Description: The molecular basis of gammadelta T cell receptor (TCR) recognition is poorly understood. Here, we analyze the TCR sequences of a natural gammadelta T cell population specific for the major histocompatibility complex class Ib molecule T22. We find that T22 recognition correlates strongly with a somatically recombined TCRdelta complementarity-determining region 3 (CDR3) motif derived from germ line-encoded residues. Sequence diversity around these residues modulates TCR ligand-binding affinities, whereas V gene usage correlates mainly with tissue origin. These results show how an antigen-specific gammadelta TCR repertoire can be generated at a high frequency and suggest that gammadelta T cells recognize a limited number of antigens.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shin, Sunny -- El-Diwany, Ramy -- Schaffert, Steven -- Adams, Erin J -- Garcia, K Christopher -- Pereira, Pablo -- Chien, Yueh-Hsiu -- AI33431/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2005 Apr 8;308(5719):252-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA 94305, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15821090" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Antigens ; Binding Sites ; Gene Rearrangement, gamma-Chain T-Cell Antigen Receptor ; Histocompatibility Antigens Class I/*immunology ; Humans ; Jurkat Cells ; Ligands ; Protein Conformation ; Proteins/*immunology ; Receptors, Antigen, T-Cell, gamma-delta/genetics/*immunology ; T-Lymphocytes/*immunology
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  • 127
    Publication Date: 2005-11-08
    Description: Local catabolism of the amino acid tryptophan (Trp) by indoleamine 2,3-dioxygenase (IDO) is considered an important mechanism of regulating T cell immunity. We show that IDO transcription was increased when myelin-specific T cells were stimulated with tolerogenic altered self-peptides. Catabolites of Trp suppressed proliferation of myelin-specific T cells and inhibited production of proinflammatory T helper-1 (T(H)1) cytokines. N-(3,4,-Dimethoxycinnamoyl) anthranilic acid (3,4-DAA), an orally active synthetic derivative of the Trp metabolite anthranilic acid, reversed paralysis in mice with experimental autoimmune encephalomyelitis, a model of multiple sclerosis (MS). Trp catabolites and their derivatives offer a new strategy for treating T(H)1-mediated autoimmune diseases such as MS.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Platten, Michael -- Ho, Peggy P -- Youssef, Sawsan -- Fontoura, Paulo -- Garren, Hideki -- Hur, Eun Mi -- Gupta, Rohit -- Lee, Lowen Y -- Kidd, Brian A -- Robinson, William H -- Sobel, Raymond A -- Selley, Michael L -- Steinman, Lawrence -- New York, N.Y. -- Science. 2005 Nov 4;310(5749):850-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurology and Neurological Sciences, Beckman Center for Molecular Medicine, Stanford University, Stanford, CA 94305, USA. michael.platten@uni-tuebingen.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16272121" target="_blank"〉PubMed〈/a〉
    Keywords: Adoptive Transfer ; Animals ; Anti-Inflammatory Agents, Non-Steroidal/administration & ; dosage/pharmacology/*therapeutic use ; Antigen-Presenting Cells/drug effects/immunology ; Brain/pathology ; Cell Line ; Cytokines/biosynthesis ; Disease Models, Animal ; Encephalomyelitis, Autoimmune, Experimental/*drug therapy/immunology ; Female ; Histocompatibility Antigens Class II/immunology/metabolism ; Immune Tolerance ; Immunosuppressive Agents/pharmacology/therapeutic use ; Indoleamine-Pyrrole 2,3,-Dioxygenase/genetics/metabolism ; Interferon-gamma/immunology ; Lymphocyte Activation ; Mice ; Mice, Transgenic ; Microglia/drug effects/immunology ; Multiple Sclerosis/drug therapy/immunology/pathology ; Myelin Proteins/immunology ; Signal Transduction ; Spinal Cord/pathology ; T-Lymphocytes/immunology ; Th1 Cells/immunology ; Th2 Cells/immunology ; Tryptophan/*metabolism ; ortho-Aminobenzoates/administration & dosage/pharmacology/*therapeutic use
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  • 128
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-07-05
    Description: Ubiquitination controls a broad range of cellular functions. The last step of the ubiquitination pathway is regulated by enzyme type 3 (E3) ubiquitin ligases. E3 enzymes are responsible for substrate specificity and catalyze the formation of an isopeptide bond between a lysine residue of the substrate (or the N terminus of the substrate) and ubiquitin. MIR1 and MIR2 are two E3 ubiquitin ligases encoded by Kaposi's sarcoma-associated herpesvirus that mediate the ubiquitination of major histocompatibility complex class I (MHC I) molecules and subsequent internalization. Here, we found that MIR1, but not MIR2, promoted down-regulation of MHC I molecules lacking lysine residues in their intracytoplasmic domain. In the presence of MIR1, these MHC I molecules were ubiquitinated, and their association with ubiquitin was sensitive to beta2-mercaptoethanol, unlike lysine-ubiquitin bonds. This form of ubiquitination required a cysteine residue in the intracytoplasmic tail of MHC I molecules. An MHC I molecule containing a single cysteine residue in an artificial glycine and alanine intracytoplasmic domain was endocytosed and degraded in the presence of MIR1. Thus, ubiquitination can occur on proteins lacking accessible lysines or an accessible N terminus.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cadwell, Ken -- Coscoy, Laurent -- 1R01CA108447-01/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2005 Jul 1;309(5731):127-30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Cell Biology, 142 Life Sciences Addition Room 3200, Berkeley, CA 94720, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15994556" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Motifs ; Amino Acid Sequence ; Animals ; CHO Cells ; Cell Line ; Cricetinae ; Cysteine/chemistry/metabolism ; Down-Regulation ; Endocytosis ; HLA-B7 Antigen/chemistry/genetics/*metabolism ; Herpesvirus 8, Human/*enzymology ; Humans ; Lysine/metabolism ; Mutation ; Protein Structure, Tertiary ; Serine/chemistry/metabolism ; Transduction, Genetic ; Ubiquitin/*metabolism ; Ubiquitin-Protein Ligases/*metabolism
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  • 129
    Publication Date: 2005-12-24
    Description: Here we describe a functional magnetic resonance imaging study of humans engaged in memory search during a free recall task. Patterns of cortical activity associated with the study of three categories of pictures (faces, locations, and objects) were identified by a pattern-classification algorithm. The algorithm was used to track the reappearance of these activity patterns during the recall period. The reappearance of a given category's activity pattern correlates with verbal recalls made from that category and precedes the recall event by several seconds. This result is consistent with the hypothesis that category-specific activity is cueing the memory system to retrieve studied items.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Polyn, Sean M -- Natu, Vaidehi S -- Cohen, Jonathan D -- Norman, Kenneth A -- MH070177-01/MH/NIMH NIH HHS/ -- R01MH052864/MH/NIMH NIH HHS/ -- R01MH069456/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 2005 Dec 23;310(5756):1963-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychology, University of Pennsylvania, Philadelphia, PA 19104, USA. polyn@psych.upenn.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16373577" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Algorithms ; Brain/*physiology ; *Brain Mapping ; Female ; Form Perception/physiology ; Humans ; Magnetic Resonance Imaging ; Male ; Memory/*physiology ; Mental Recall/physiology ; Space Perception/physiology
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  • 130
    Publication Date: 2005-06-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sinha, Gunjan -- New York, N.Y. -- Science. 2005 Jun 10;308(5728):1538.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15947151" target="_blank"〉PubMed〈/a〉
    Keywords: Animal Testing Alternatives ; Animals ; Cell Differentiation ; Cell Line ; Embryo, Mammalian/*cytology ; Europe ; Hepatocytes ; Humans ; Myocytes, Cardiac ; *Stem Cells ; Toxicity Tests/*methods
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  • 131
    Publication Date: 2005-04-23
    Description: In eukaryotes, 21- to 24-nucleotide-long RNAs engage in sequence-specific interactions that inhibit gene expression by RNA silencing. This process has regulatory roles involving microRNAs and, in plants and insects, it also forms the basis of a defense mechanism directed by small interfering RNAs that derive from replicative or integrated viral genomes. We show that a cellular microRNA effectively restricts the accumulation of the retrovirus primate foamy virus type 1 (PFV-1) in human cells. PFV-1 also encodes a protein, Tas, that suppresses microRNA-directed functions in mammalian cells and displays cross-kingdom antisilencing activities. Therefore, through fortuitous recognition of foreign nucleic acids, cellular microRNAs have direct antiviral effects in addition to their regulatory functions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lecellier, Charles-Henri -- Dunoyer, Patrice -- Arar, Khalil -- Lehmann-Che, Jacqueline -- Eyquem, Stephanie -- Himber, Christophe -- Saib, Ali -- Voinnet, Olivier -- New York, N.Y. -- Science. 2005 Apr 22;308(5721):557-60.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉CNRS Unite Propre de Recherche (UPR) 2357, Institut de Biologie Moleculaire des Plantes, 12 rue du General Zimmer, 67084 Strasbourg Cedex, France. charles.lecellier@infobiogen.fr〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15845854" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antiviral Agents/*physiology ; Arabidopsis/genetics ; Cell Line ; Cricetinae ; DNA-Binding Proteins/genetics/metabolism ; Genes, Reporter ; Green Fluorescent Proteins/genetics ; HeLa Cells ; Humans ; MicroRNAs/*physiology ; Oligonucleotides, Antisense ; Plants, Genetically Modified ; Protein Biosynthesis ; *RNA Interference ; RNA, Viral ; Retroviridae Proteins/genetics/metabolism ; Spumavirus/*genetics/*physiology ; Trans-Activators/genetics/metabolism ; Transfection ; Virus Replication
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  • 132
    Publication Date: 2005-06-11
    Description: In Schizosaccharomyces pombe, the RNA interference (RNAi) machinery converts pericentromeric transcripts into small interfering RNAs (siRNAs) and is required for the assembly of pericentromeric heterochromatin. Here we describe a mutation in the second largest subunit of RNA polymerase II (RNAPII). Both wild-type and mutant RNAPII localized to the pericentromere. However, the mutation resulted in the loss of heterochromatic histone modifications and in the accumulation of pericentromeric transcripts, accompanied by the loss of siRNAs. This phenotype resembles mutants in RNAi and suggests that RNAPII couples pericentromeric transcription with siRNA processing and heterochromatin assembly.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kato, Hiroaki -- Goto, Derek B -- Martienssen, Robert A -- Urano, Takeshi -- Furukawa, Koichi -- Murakami, Yota -- R01-GM067014/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2005 Jul 15;309(5733):467-9. Epub 2005 Jun 9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Viral Oncology, Institute for Virus Research, Kyoto University, Kyoto 606-8507, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15947136" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Centromere/metabolism ; Chromosome Segregation ; Gene Expression Regulation, Fungal ; Heterochromatin/*metabolism ; Histones/metabolism ; Methylation ; Molecular Sequence Data ; Oligonucleotide Array Sequence Analysis ; Point Mutation ; *RNA Interference ; RNA Polymerase II/chemistry/genetics/*metabolism ; RNA, Fungal/metabolism ; RNA, Messenger/metabolism ; RNA, Small Interfering/*metabolism ; Schizosaccharomyces/enzymology/genetics/*metabolism ; Transcription, Genetic
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  • 133
    Publication Date: 2005-06-18
    Description: Rhizobial Nod factors induce in their legume hosts the expression of many genes and set in motion developmental processes leading to root nodule formation. Here we report the identification of the Medicago GRAS-type protein Nodulation signaling pathway 1 (NSP1), which is essential for all known Nod factor-induced changes in gene expression. NSP1 is constitutively expressed, and so it acts as a primary transcriptional regulator mediating all known Nod factor-induced transcriptional responses, and therefore, we named it a Nod factor response factor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smit, Patrick -- Raedts, John -- Portyanko, Vladimir -- Debelle, Frederic -- Gough, Clare -- Bisseling, Ton -- Geurts, Rene -- New York, N.Y. -- Science. 2005 Jun 17;308(5729):1789-91.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Plant Science, Laboratory of Molecular Biology, Wageningen University, Wageningen 6703 HA, Netherlands.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15961669" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Motifs ; Amino Acid Sequence ; Calcium-Calmodulin-Dependent Protein Kinases/genetics/metabolism ; Cell Nucleus/metabolism ; Cloning, Molecular ; Gene Expression Regulation, Plant ; Genes, Plant ; Lipopolysaccharides/*metabolism ; Medicago/*genetics/metabolism/*microbiology ; Molecular Sequence Data ; Mutation ; Plant Proteins/chemistry/genetics/*metabolism ; Plant Roots/metabolism/microbiology ; Recombinant Fusion Proteins/metabolism ; Sequence Alignment ; Signal Transduction ; Sinorhizobium meliloti/*physiology ; Symbiosis ; Transcription Factors/chemistry/genetics/*metabolism ; *Transcription, Genetic
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  • 134
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-01-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Proffitt, Fiona -- New York, N.Y. -- Science. 2005 Jan 21;307(5708):343.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15661988" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Ants/parasitology ; Female ; Genome ; Grasshoppers/parasitology ; Gryllidae/parasitology ; Host-Parasite Interactions ; *Insects/anatomy & histology/classification/parasitology/physiology ; Male ; Pest Control, Biological ; Sex Characteristics ; Sex Determination Processes
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 135
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-06-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wickelgren, Ingrid -- New York, N.Y. -- Science. 2005 Jun 24;308(5730):1856-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15976282" target="_blank"〉PubMed〈/a〉
    Keywords: Autistic Disorder/pathology/*physiopathology/psychology ; Brain/pathology/*physiopathology ; Child ; Child, Preschool ; Face ; Frontal Lobe/pathology/physiopathology ; Humans ; Imitative Behavior ; Magnetic Resonance Imaging ; Male ; Memory ; *Mental Processes ; Nerve Fibers/pathology/physiology ; Neural Pathways/*physiopathology ; Neurons/pathology/*physiology ; Positron-Emission Tomography
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  • 136
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-01-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lespinet, Olivier -- Labedan, Bernard -- New York, N.Y. -- Science. 2005 Jan 7;307(5706):42.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15637255" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; *Databases, Protein ; Enzymes/*chemistry/classification/metabolism
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  • 137
    Publication Date: 2005-07-26
    Description: Hippocampal neurons were recorded under conditions in which the recording chamber was varied but its location remained unchanged versus conditions in which an identical chamber was encountered in different places. Two forms of neuronal pattern separation occurred. In the variable cue-constant place condition, the firing rates of active cells varied, often over more than an order of magnitude, whereas the location of firing remained constant. In the variable place-constant cue condition, both location and rates changed, so that population vectors for a given location in the chamber were statistically independent. These independent encoding schemes may enable simultaneous representation of spatial and episodic memory information.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Leutgeb, Stefan -- Leutgeb, Jill K -- Barnes, Carol A -- Moser, Edvard I -- McNaughton, Bruce L -- Moser, May-Britt -- New York, N.Y. -- Science. 2005 Jul 22;309(5734):619-23.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for the Biology of Memory, Medical-Technical Research Centre, Norwegian University of Science and Technology, 7489 Trondheim, Norway.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16040709" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain Mapping ; Cues ; Electrodes, Implanted ; Electrophysiology ; Hippocampus/cytology/*physiology ; Interneurons/physiology ; Male ; Memory/*physiology ; Nerve Net/*physiology ; Neurons/*physiology ; Orientation/*physiology ; Perception/physiology ; Pyramidal Cells/*physiology ; Rats ; Rats, Long-Evans ; Space Perception/*physiology
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  • 138
    Publication Date: 2005-06-04
    Description: Transgenerational effects of environmental toxins require either a chromosomal or epigenetic alteration in the germ line. Transient exposure of a gestating female rat during the period of gonadal sex determination to the endocrine disruptors vinclozolin (an antiandrogenic compound) or methoxychlor (an estrogenic compound) induced an adult phenotype in the F1 generation of decreased spermatogenic capacity (cell number and viability) and increased incidence of male infertility. These effects were transferred through the male germ line to nearly all males of all subsequent generations examined (that is, F1 to F4). The effects on reproduction correlate with altered DNA methylation patterns in the germ line. The ability of an environmental factor (for example, endocrine disruptor) to reprogram the germ line and to promote a transgenerational disease state has significant implications for evolutionary biology and disease etiology.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Anway, Matthew D -- Cupp, Andrea S -- Uzumcu, Mehmet -- Skinner, Michael K -- New York, N.Y. -- Science. 2005 Jun 3;308(5727):1466-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Reproductive Biology, School of Molecular Biosciences, Washington State University, Pullman, WA 99164-4231, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15933200" target="_blank"〉PubMed〈/a〉
    Keywords: Androgen Antagonists/*toxicity ; Animals ; Crosses, Genetic ; DNA Methylation ; Endocrine Glands/*drug effects ; Environmental Pollutants/toxicity ; Epigenesis, Genetic/drug effects ; Estrogens/*toxicity ; Female ; Fertility/*drug effects/genetics ; Fungicides, Industrial/*toxicity ; Infertility, Male/chemically induced/genetics ; Inheritance Patterns ; Insecticides/*toxicity ; Male ; Methoxychlor/*toxicity ; Oxazoles/*toxicity ; Pregnancy ; Rats ; Spermatozoa/drug effects
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  • 139
    Publication Date: 2005-02-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Muller, Carol B -- Ride, Sally M -- Fouke, Janie -- Whitney, Telle -- Denton, Denice D -- Cantor, Nancy -- Nelson, Donna J -- Plummer, Jim -- Busch-Vishniac, Ilene -- Meyers, Carolyn -- Rosser, Sue V -- Schiebinger, Londa -- Roberts, Eric -- Burgess, David -- Beeson, Craig -- Metz, Susan Staffin -- Sanders, Lucinda -- Watford, Bevlee A -- Ivey, Elizabeth S -- Frank Fox, Mary -- Wettack, Sheldon -- Klawe, Maria -- Wulf, William A -- Girgus, Joan -- Leboy, Phoebe S -- Babco, Eleanor L -- Shanahan, Betty -- Didion, Catherine -- Chubin, Daryl E -- Frize, Monique -- Ganter, Susan L -- Nalley, E Ann -- Franz, Judy -- Abruna, Hector D -- Strober, Myra H -- Zimmer Daniels, Jane -- Carter, Emily A -- Rhodes, Jean H -- Schrijver, Iris -- Zakian, Virginia A -- Simons, Barbara -- Martin, Ursula -- Boaler, Jo -- Jolluck, Katherine Rose -- Mankekar, Purnima -- Gray, Robert M -- Conkey, Margaret W -- Stansky, Peter -- Xie, Aihua -- Martin, Pino -- Katehi, Linda P B -- Miller, Jo Anne -- Tess Thornton, Amelia -- Lapaugh, Andrea -- Rhode, Deborah L -- Gelpi, Barbara C -- Harrold, Mary Jean -- Spencer, Cherrill M -- Schlatter Ellis, Carla -- Lord, Susan -- Quinn, Helen -- Murnane, Margaret -- Jones, Patricia P -- Hellman, Frances -- Wight, Gail -- O'hara, Ruth -- Pickering, Mary -- Sheppard, Sheri -- Leith, David -- Paytan, Adina -- Sommer, Matthew H -- Shafer, Audrey -- Grusky, David -- Yennello, Sherry -- Madan, Ashima -- Johnson, Denise L -- Yanagisako, Sylvia -- Chou-Green, Jennifer M -- Robinson, Sandra -- New York, N.Y. -- Science. 2005 Feb 18;307(5712):1043.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15718449" target="_blank"〉PubMed〈/a〉
    Keywords: *Career Choice ; Female ; Humans ; Male ; *Science ; *Sex Characteristics ; Social Change
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  • 140
    Publication Date: 2005-11-12
    Description: Membrane traffic in activated macrophages is required for two critical events in innate immunity: proinflammatory cytokine secretion and phagocytosis of pathogens. We found a joint trafficking pathway linking both actions, which may economize membrane transport and augment the immune response. Tumor necrosis factor alpha (TNFalpha) is trafficked from the Golgi to the recycling endosome (RE), where vesicle-associated membrane protein 3 mediates its delivery to the cell surface at the site of phagocytic cup formation. Fusion of the RE at the cup simultaneously allows rapid release of TNFalpha and expands the membrane for phagocytosis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Murray, Rachael Z -- Kay, Jason G -- Sangermani, Daniele G -- Stow, Jennifer L -- New York, N.Y. -- Science. 2005 Dec 2;310(5753):1492-5. Epub 2005 Nov 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Molecular Bioscience, University of Queensland, Brisbane, Queensland 4072, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16282525" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Candida albicans/immunology ; Cell Line ; Cell Membrane/metabolism ; Cytoplasmic Vesicles/metabolism ; Endosomes/metabolism ; Interferon-gamma/metabolism ; Macrophage Activation ; Macrophages/immunology/*secretion ; Mice ; Phagocytosis ; Phagosomes/*physiology ; Qa-SNARE Proteins/metabolism ; Tumor Necrosis Factor-alpha/*secretion ; Vesicle-Associated Membrane Protein 3/physiology ; rab GTP-Binding Proteins/biosynthesis
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  • 141
    Publication Date: 2005-04-02
    Description: The membrane rotor ring from the vacuolar-type (V-type) sodium ion-pumping adenosine triphosphatase (Na+-ATPase) from Enterococcus hirae consists of 10 NtpK subunits, which are homologs of the 16-kilodalton and 8-kilodalton proteolipids found in other V-ATPases and in F1Fo- or F-ATPases, respectively. Each NtpK subunit has four transmembrane alpha helices, with a sodium ion bound between helices 2 and 4 at a site buried deeply in the membrane that includes the essential residue glutamate-139. This site is probably connected to the membrane surface by two half-channels in subunit NtpI, against which the ring rotates. Symmetry mismatch between the rotor and catalytic domains appears to be an intrinsic feature of both V- and F-ATPases.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Murata, Takeshi -- Yamato, Ichiro -- Kakinuma, Yoshimi -- Leslie, Andrew G W -- Walker, John E -- New York, N.Y. -- Science. 2005 Apr 29;308(5722):654-9. Epub 2005 Mar 31.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Medical Research Council Dunn Human Nutrition Unit, Hills Road, Cambridge CB2 2XY, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15802565" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Triphosphatases/*chemistry/metabolism ; Adenosine Triphosphate/metabolism ; Amino Acid Sequence ; Bacterial Proteins/*chemistry/metabolism ; Binding Sites ; Crystallography, X-Ray ; Detergents/metabolism ; Enterococcus/*enzymology ; Ion Transport ; Models, Biological ; Models, Molecular ; Molecular Motor Proteins/*chemistry/metabolism ; Molecular Sequence Data ; Phospholipids/chemistry/metabolism ; Protein Conformation ; Protein Structure, Tertiary ; Protein Subunits/chemistry/metabolism ; Sodium/metabolism ; Static Electricity ; Water
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  • 142
    Publication Date: 2005-03-12
    Description: Age-related macular degeneration (AMD) is a common, late-onset, and complex trait with multiple risk factors. Concentrating on a region harboring a locus for AMD on 1q25-31, the ARMD1 locus, we tested single-nucleotide polymorphisms for association with AMD in two independent case-control populations. Significant association (P = 4.95 x 10(-10)) was identified within the regulation of complement activation locus and was centered over a tyrosine-402 --〉 histidine-402 protein polymorphism in the gene encoding complement factor H. Possession of at least one histidine at amino acid position 402 increased the risk of AMD 2.7-fold and may account for 50% of the attributable risk of AMD.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Edwards, Albert O -- Ritter, Robert 3rd -- Abel, Kenneth J -- Manning, Alisa -- Panhuysen, Carolien -- Farrer, Lindsay A -- EY014467/EY/NEI NIH HHS/ -- New York, N.Y. -- Science. 2005 Apr 15;308(5720):421-4. Epub 2005 Mar 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ophthalmology and McDermott Center for Human Growth and Development, University of Texas Southwestern Medical Center (UTSWMC), 5323 Harry Hines Boulevard, Dallas, TX 75390, USA. albert-edwards@swbell.net〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15761121" target="_blank"〉PubMed〈/a〉
    Keywords: Aged ; Alleles ; Amino Acid Substitution ; Case-Control Studies ; Chromosomes, Human, Pair 1/genetics ; Complement Activation/genetics ; Complement Factor H/*genetics/physiology ; Female ; Gene Frequency ; Genetic Predisposition to Disease ; Genetic Variation ; Genotype ; Haplotypes ; Histidine ; Homozygote ; Humans ; Linkage Disequilibrium ; Macular Degeneration/etiology/*genetics ; Male ; Middle Aged ; Multigene Family ; *Polymorphism, Single Nucleotide ; Risk Factors ; Tyrosine
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  • 143
    Publication Date: 2005-10-15
    Description: Enhancer of Zeste homolog 2 (EZH2) is a methyltransferase that plays an important role in many biological processes through its ability to trimethylate lysine 27 in histone H3. Here, we show that Akt phosphorylates EZH2 at serine 21 and suppresses its methyltransferase activity by impeding EZH2 binding to histone H3, which results in a decrease of lysine 27 trimethylation and derepression of silenced genes. Our results imply that Akt regulates the methylation activity, through phosphorylation of EZH2, which may contribute to oncogenesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cha, Tai-Lung -- Zhou, Binhua P -- Xia, Weiya -- Wu, Yadi -- Yang, Cheng-Chieh -- Chen, Chun-Te -- Ping, Bo -- Otte, Arie P -- Hung, Mien-Chie -- P01 099031/PHS HHS/ -- R01 109311/PHS HHS/ -- New York, N.Y. -- Science. 2005 Oct 14;310(5746):306-10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Cellular Oncology, the University of Texas M. D. Anderson Cancer Center, Houston, TX 77030, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16224021" target="_blank"〉PubMed〈/a〉
    Keywords: 3T3 Cells ; Animals ; COS Cells ; Cell Line ; Cell Transformation, Neoplastic ; Cercopithecus aethiops ; Chromones/pharmacology ; DNA-Binding Proteins ; Enzyme Inhibitors/pharmacology ; Gene Expression Regulation ; HeLa Cells ; Histone-Lysine N-Methyltransferase/metabolism ; Histones/*metabolism ; Homeodomain Proteins/genetics ; Humans ; Lysine/*metabolism ; Methylation ; Mice ; Molecular Sequence Data ; Morpholines/pharmacology ; Phosphorylation ; Polycomb Repressive Complex 2 ; Protein Binding ; Protein Methyltransferases ; Protein-Serine-Threonine Kinases/antagonists & inhibitors/*metabolism ; Proteins/*metabolism ; Proto-Oncogene Proteins/antagonists & inhibitors/*metabolism ; Proto-Oncogene Proteins c-akt ; Serine/metabolism ; Transcription Factors
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  • 144
    Publication Date: 2005-07-26
    Description: We elucidate the mechanisms causing stability and severe resource suppression in a consumer-resource system. The consumer, the parasitoid Aphytis, rapidly controlled an experimentally induced outbreak of the resource, California red scale, an agricultural pest, and imposed a low, stable pest equilibrium. The results are well predicted by a mechanistic, independently parameterized model. The key mechanisms are widespread in nature: an invulnerable adult stage in the resource population and rapid consumer development. Stability in this biologically nondiverse agricultural system is a property of the local interaction between these two species, not of spatial processes or of the larger ecological community.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Murdoch, William -- Briggs, Cheryl J -- Swarbrick, Susan -- New York, N.Y. -- Science. 2005 Jul 22;309(5734):610-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology, Evolution and Marine Biology, University of California, Santa Barbara, CA 93106, USA. murdoch@lifesci.ucsb.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16040706" target="_blank"〉PubMed〈/a〉
    Keywords: Aging ; Animals ; Citrus ; *Ecosystem ; Female ; Hemiptera/growth & development/*parasitology/*physiology ; *Host-Parasite Interactions ; Hymenoptera/growth & development/*physiology ; Longevity ; Male ; Mathematics ; Models, Biological ; Population Density ; Population Dynamics ; Sex Ratio ; Temperature
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  • 145
    Publication Date: 2005-02-26
    Description: We identified axonal defects in mouse models of Alzheimer's disease that preceded known disease-related pathology by more than a year; we observed similar axonal defects in the early stages of Alzheimer's disease in humans. Axonal defects consisted of swellings that accumulated abnormal amounts of microtubule-associated and molecular motor proteins, organelles, and vesicles. Impairing axonal transport by reducing the dosage of a kinesin molecular motor protein enhanced the frequency of axonal defects and increased amyloid-beta peptide levels and amyloid deposition. Reductions in microtubule-dependent transport may stimulate proteolytic processing of beta-amyloid precursor protein, resulting in the development of senile plaques and Alzheimer's disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokin, Gorazd B -- Lillo, Concepcion -- Falzone, Tomas L -- Brusch, Richard G -- Rockenstein, Edward -- Mount, Stephanie L -- Raman, Rema -- Davies, Peter -- Masliah, Eliezer -- Williams, David S -- Goldstein, Lawrence S B -- EY12598/EY/NEI NIH HHS/ -- EY13408/EY/NEI NIH HHS/ -- P50 AG05131/AG/NIA NIH HHS/ -- R01 EY007042/EY/NEI NIH HHS/ -- R01 EY007042-19/EY/NEI NIH HHS/ -- R01 EY013408/EY/NEI NIH HHS/ -- R01 EY013408-02/EY/NEI NIH HHS/ -- New York, N.Y. -- Science. 2005 Feb 25;307(5713):1282-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute and Department of Cellular and Molecular Medicine, School of Medicine, University of California San Diego (UCSD), 9500 Gilman Drive, La Jolla, CA 92093, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15731448" target="_blank"〉PubMed〈/a〉
    Keywords: Aged ; Aged, 80 and over ; Alzheimer Disease/genetics/*metabolism/*pathology ; Amyloid beta-Peptides/metabolism ; Amyloid beta-Protein Precursor/metabolism ; Animals ; *Axonal Transport ; Axons/*pathology/physiology ; Basal Nucleus of Meynert/pathology ; Brain/*metabolism/*pathology ; Cells, Cultured ; Cytoplasmic Vesicles/ultrastructure ; Female ; Hippocampus ; Humans ; Kinesin/metabolism ; Male ; Mice ; Mice, Inbred C3H ; Mice, Inbred C57BL ; Microtubule-Associated Proteins/genetics/metabolism ; Neurons/metabolism ; Organelles/ultrastructure ; Plaque, Amyloid/pathology ; Time Factors
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  • 146
    Publication Date: 2005-05-10
    Description: Focal and segmental glomerulosclerosis (FSGS) is a kidney disorder of unknown etiology, and up to 20% of patients on dialysis have been diagnosed with it. Here we show that a large family with hereditary FSGS carries a missense mutation in the TRPC6 gene on chromosome 11q, encoding the ion-channel protein transient receptor potential cation channel 6 (TRPC6). The proline-to-glutamine substitution at position 112, which occurs in a highly conserved region of the protein, enhances TRPC6-mediated calcium signals in response to agonists such as angiotensin II and appears to alter the intracellular distribution of TRPC6 protein. Previous work has emphasized the importance of cytoskeletal and structural proteins in proteinuric kidney diseases. Our findings suggest an alternative mechanism for the pathogenesis of glomerular disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Winn, Michelle P -- Conlon, Peter J -- Lynn, Kelvin L -- Farrington, Merry Kay -- Creazzo, Tony -- Hawkins, April F -- Daskalakis, Nikki -- Kwan, Shu Ying -- Ebersviller, Seth -- Burchette, James L -- Pericak-Vance, Margaret A -- Howell, David N -- Vance, Jeffery M -- Rosenberg, Paul B -- R01 DK074748/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 2005 Jun 17;308(5729):1801-4. Epub 2005 May 5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, Duke University Medical Center, Durham, NC 27710, USA. michelle.winn@duke.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15879175" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Substitution ; Angiotensin II/metabolism/pharmacology ; Calcium/metabolism ; Calcium Channels/chemistry/*genetics/metabolism ; Calcium Signaling ; Carbachol/pharmacology ; Cell Line ; Cell Membrane/metabolism ; Chromosomes, Human, Pair 11/genetics ; Exons ; Female ; GTP-Binding Protein alpha Subunits, Gq-G11/metabolism ; Glomerulosclerosis, Focal Segmental/*genetics ; Haplotypes ; Humans ; Kidney/metabolism ; Kidney Glomerulus/metabolism ; Kidney Tubules/metabolism ; Male ; *Mutation, Missense ; Patch-Clamp Techniques ; Pedigree ; Receptor, Angiotensin, Type 1/genetics/metabolism ; Sequence Analysis, DNA ; Sodium/metabolism ; TRPC Cation Channels ; Transfection ; Uridine Triphosphate/metabolism/pharmacology
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  • 147
    Publication Date: 2005-08-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2005 Aug 19;309(5738):1162.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16109850" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Conservation of Natural Resources ; Environment ; Female ; Florida ; *Hybridization, Genetic ; Inbreeding ; Male ; *Panthera/genetics ; Population Growth ; Publishing ; *Puma/genetics ; Survival Rate ; Texas
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  • 148
    Publication Date: 2005-11-29
    Description: We have identified two genes, smedwi-1 and smedwi-2, expressed in the dividing adult stem cells (neoblasts) of the planarian Schmidtea mediterranea. Both genes encode proteins that belong to the Argonaute/PIWI protein family and that share highest homology with those proteins defined by Drosophila PIWI. RNA interference (RNAi) of smedwi-2 blocks regeneration, even though neoblasts are present, irradiation-sensitive, and capable of proliferating in response to wounding; smedwi-2(RNAi) neoblast progeny migrate to sites of cell turnover but, unlike normal cells, fail at replacing aged tissue. We suggest that SMEDWI-2 functions within dividing neoblasts to support the generation of cells that promote regeneration and homeostasis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reddien, Peter W -- Oviedo, Nestor J -- Jennings, Joya R -- Jenkin, James C -- Sanchez Alvarado, Alejandro -- R0-1 GM57260/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2005 Nov 25;310(5752):1327-30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Neurobiology and Anatomy, University of Utah School of Medicine, Salt Lake City, UT 84132, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16311336" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cell Count ; Cell Differentiation ; Cell Division ; Cell Movement ; Cell Separation ; Cell Shape ; Cyclin B/genetics ; Flow Cytometry ; Gene Expression ; *Genes, Helminth ; Helminth Proteins/genetics/*physiology ; Homeostasis ; Mitosis ; Molecular Sequence Data ; Phenotype ; Planarians/chemistry/*cytology/genetics/*physiology ; RNA Interference ; Regeneration ; Stem Cells/cytology/*physiology
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  • 149
    Publication Date: 2005-07-26
    Description: Brilliant plumage is typical of male birds, reflecting differential enhancement of male traits when females are the limiting sex. Brighter females are thought to evolve exclusively in response to sex role reversal. The striking reversed plumage dichromatism of Eclectus roratus parrots does not fit this pattern. We quantify plumage color in this species and show that very different selection pressures are acting on males and females. Male plumage reflects a compromise between the conflicting requirements for camouflage from predators while foraging and conspicuousness during display. Females are liberated from the need for camouflage but compete for rare nest hollows.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Heinsohn, Robert -- Legge, Sarah -- Endler, John A -- New York, N.Y. -- Science. 2005 Jul 22;309(5734):617-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for Resource and Environmental Studies, Australian National University, Canberra, ACT 0200 Australia. Robert.Heinsohn@anu.edu.au〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16040708" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Biological ; Animals ; *Behavior, Animal ; Color ; Competitive Behavior ; *Feathers ; Feeding Behavior ; Female ; Male ; Nesting Behavior ; Parrots/genetics/*physiology ; *Pigmentation ; Predatory Behavior ; *Selection, Genetic ; *Sex Characteristics ; Sex Ratio ; Sexual Behavior, Animal
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  • 150
    Publication Date: 2005-06-25
    Description: Neurogenesis persists in the olfactory bulb (OB) of the adult mammalian brain. New interneurons are continually added to the OB from the subventricular zone (SVZ) via the rostral migratory stream (RMS). Here we show that secreted prokineticin 2 (PK2) functions as a chemoattractant for SVZ-derived neuronal progenitors. Within the OB, PK2 may also act as a detachment signal for chain-migrating progenitors arriving from the RMS. PK2 deficiency in mice leads to a marked reduction in OB size, loss of normal OB architecture, and the accumulation of neuronal progenitors in the RMS. These findings define an essential role for G protein-coupled PK2 signaling in postnatal and adult OB neurogenesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ng, Kwan L -- Li, Jia-Da -- Cheng, Michelle Y -- Leslie, Frances M -- Lee, Alex G -- Zhou, Qun-Yong -- New York, N.Y. -- Science. 2005 Jun 24;308(5730):1923-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology, University of California-Irvine (UCI), Irvine, CA 92697, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15976302" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Apoptosis ; Brain/cytology/growth & development/metabolism ; Cell Adhesion ; Cell Count ; Cell Line ; Cell Proliferation ; Cerebral Ventricles/cytology/*physiology ; Chemotactic Factors/physiology ; Chemotaxis ; Coculture Techniques ; Dopamine/physiology ; Gastrointestinal Hormones/*metabolism ; Gene Expression ; Interneurons/cytology/*physiology ; Mice ; Mice, Inbred C57BL ; Neurons/cytology/*physiology ; Neuropeptides/*metabolism ; Olfactory Bulb/*cytology/growth & development/*metabolism ; Rats ; Rats, Sprague-Dawley ; Receptors, G-Protein-Coupled/genetics/metabolism ; *Signal Transduction ; Stem Cells/*physiology
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  • 151
    Publication Date: 2005-07-30
    Description: It is generally reasoned that lethal infections caused by opportunistic pathogens develop permissively by invading a host that is both physiologically stressed and immunologically compromised. However, an alternative hypothesis might be that opportunistic pathogens actively sense alterations in host immune function and respond by enhancing their virulence phenotype. We demonstrate that interferon-gamma binds to an outer membrane protein in Pseudomonas aeruginosa, OprF, resulting in the expression of a quorum-sensing dependent virulence determinant, the PA-I lectin. These observations provide details of the mechanisms by which prokaryotic organisms are directly signaled by immune activation in their eukaryotic host.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wu, Licheng -- Estrada, Oscar -- Zaborina, Olga -- Bains, Manjeet -- Shen, Le -- Kohler, Jonathan E -- Patel, Nachiket -- Musch, Mark W -- Chang, Eugene B -- Fu, Yang-Xin -- Jacobs, Michael A -- Nishimura, Michael I -- Hancock, Robert E W -- Turner, Jerrold R -- Alverdy, John C -- 2-RO1 GM062344-05/GM/NIGMS NIH HHS/ -- DK-38510/DK/NIDDK NIH HHS/ -- DK-47722/DK/NIDDK NIH HHS/ -- R01DK61931/DK/NIDDK NIH HHS/ -- R01DK68271/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 2005 Jul 29;309(5735):774-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Surgery, University of Chicago, Pritzker School of Medicine, Chicago, IL 60637, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16051797" target="_blank"〉PubMed〈/a〉
    Keywords: Adhesins, Bacterial/*biosynthesis ; Animals ; Cell Line ; Cell Line, Tumor ; Cells, Cultured ; Cytokines/immunology/metabolism/pharmacology ; Humans ; Interferon-gamma/immunology/*metabolism/pharmacology ; Lectins/*biosynthesis ; Lymphocyte Activation ; Porins/isolation & purification/*metabolism ; Protein Binding ; Pseudomonas aeruginosa/growth & development/*immunology/metabolism/*pathogenicity ; Pyocyanine/biosynthesis ; Recombinant Proteins/pharmacology ; Signal Transduction ; T-Lymphocytes/*immunology ; Up-Regulation ; Virulence
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  • 152
    Publication Date: 2005-12-03
    Description: Subclasses of immunoglobulin G (IgG) display substantial differences in their ability to mediate effector responses, contributing to variable activity of antibodies against microbes and tumors. We demonstrate that the mechanism underlying this long-standing observation of subclass dominance in function is provided by the differential affinities of IgG subclasses for specific activating IgG Fc receptors compared with their affinities for the inhibitory IgG Fc receptor. The significant differences in the ratios of activating-to-inhibitory receptor binding predicted the in vivo activity. We suggest that these highly predictable functions assigned by Fc binding will be an important consideration in the design of therapeutic antibodies and vaccines.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nimmerjahn, Falk -- Ravetch, Jeffrey V -- New York, N.Y. -- Science. 2005 Dec 2;310(5753):1510-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Molecular Genetics and Immunology, The Rockefeller University, 1230 York Avenue, New York, NY 10021, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16322460" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blood Platelets/immunology ; Cell Line ; Female ; Immunoglobulin G/*immunology/*metabolism ; Melanosomes/immunology ; Mice ; Mice, Inbred C57BL ; Protein Binding ; Receptors, IgG/classification/*metabolism
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  • 153
    Publication Date: 2005-02-01
    Description: The normal function of neural networks depends on a delicate balance between excitatory and inhibitory synaptic inputs. Synapse formation is thought to be regulated by bidirectional signaling between pre- and postsynaptic cells. We demonstrate that members of the Neuroligin family promote postsynaptic differentiation in cultured rat hippocampal neurons. Down-regulation of neuroligin isoform expression by RNA interference results in a loss of excitatory and inhibitory synapses. Electrophysiological analysis revealed a predominant reduction of inhibitory synaptic function. Thus, neuroligins control the formation and functional balance of excitatory and inhibitory synapses in hippocampal neurons.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chih, Ben -- Engelman, Holly -- Scheiffele, Peter -- New York, N.Y. -- Science. 2005 Feb 25;307(5713):1324-8. Epub 2005 Jan 27.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physiology and Cellular Biophysics, Center for Neurobiology and Behavior, Columbia University, New York, NY 10032, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15681343" target="_blank"〉PubMed〈/a〉
    Keywords: Action Potentials ; Animals ; Cell Adhesion Molecules, Neuronal ; Cell Line ; Cells, Cultured ; Dendrites/physiology/ultrastructure ; Down-Regulation ; Evoked Potentials ; Excitatory Postsynaptic Potentials ; Hippocampus/cytology ; Membrane Proteins/genetics/*metabolism ; Membrane Transport Proteins/metabolism ; Mutation ; Nerve Tissue Proteins/genetics/*metabolism ; Neural Inhibition ; Neurons/physiology ; Presynaptic Terminals/*physiology ; Protein Isoforms ; RNA Interference ; Rats ; Receptors, AMPA/metabolism ; Receptors, N-Methyl-D-Aspartate/metabolism ; Synapses/*physiology ; Synaptic Membranes/*physiology ; Synaptic Transmission ; Transfection ; Vesicular Glutamate Transport Protein 1 ; Vesicular Inhibitory Amino Acid Transport Proteins
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  • 154
    Publication Date: 2005-07-09
    Description: Many patterns in biological systems depend on the exchange of chemical signals between cells. We report a spatiotemporal pattern mediated by hydrodynamic interactions. At planar surfaces, spermatozoa self-organized into dynamic vortices resembling quantized rotating waves. These vortices formed an array with local hexagonal order. Introducing an order parameter that quantifies cooperativity, we found that the array appeared only above a critical sperm density. Using a model, we estimated the hydrodynamic interaction force between spermatozoa to be approximately 0.03 piconewtons. Thus, large-scale coordination of cells can be regulated hydrodynamically, and chemical signals are not required.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Riedel, Ingmar H -- Kruse, Karsten -- Howard, Jonathon -- New York, N.Y. -- Science. 2005 Jul 8;309(5732):300-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Max Planck Institute of Molecular Cell Biology and Genetics, Pfotenhauerstrasse 108, D-01307 Dresden, Germany. riedel@mpi-cbg.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16002619" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biophysical Phenomena ; Biophysics ; Cell Count ; Diffusion ; Male ; Mathematics ; Models, Biological ; *Sperm Motility ; Sperm Tail/physiology ; Spermatozoa/*physiology ; Stochastic Processes ; Strongylocentrotus/*physiology ; Strongylocentrotus purpuratus/physiology
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  • 155
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-11-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Balter, Michael -- New York, N.Y. -- Science. 2005 Nov 11;310(5750):964-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16284157" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture/*history ; Chromosomes, Human, Y/genetics ; Cultural Evolution ; DNA, Mitochondrial/*analysis/genetics/history ; Emigration and Immigration ; Europe ; European Continental Ancestry Group/*genetics/history ; Female ; Genetics, Population ; Haplotypes ; History, Ancient ; Humans ; Male ; Population Dynamics
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  • 156
    Publication Date: 2005-12-13
    Description: Snake presynaptic phospholipase A2 neurotoxins (SPANs) paralyze the neuromuscular junction (NMJ). Upon intoxication, the NMJ enlarges and has a reduced content of synaptic vesicles, and primary neuronal cultures show synaptic swelling with surface exposure of the lumenal domain of the synaptic vesicle protein synaptotagmin I. Concomitantly, these neurotoxins induce exocytosis of neurotransmitters. We found that an equimolar mixture of lysophospholipids and fatty acids closely mimics all of the biological effects of SPANs. These results draw attention to the possible role of local lipid changes in synaptic vesicle release and provide new tools for the study of exocytosis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rigoni, Michela -- Caccin, Paola -- Gschmeissner, Steve -- Koster, Grielof -- Postle, Anthony D -- Rossetto, Ornella -- Schiavo, Giampietro -- Montecucco, Cesare -- GP0272Y01/Telethon/Italy -- New York, N.Y. -- Science. 2005 Dec 9;310(5754):1678-80.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biomedical Sciences and Consiglio Nazionale Ricerche Institute of Neuroscience, University of Padova, Italy.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16339444" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cells, Cultured ; Elapid Venoms/toxicity ; Esterification ; Exocytosis ; Fatty Acids/*metabolism/toxicity ; Glutamic Acid/metabolism ; Hydrolysis ; Kinetics ; Lipid Bilayers ; Lysophospholipids/*metabolism/toxicity ; Male ; Mass Spectrometry ; Membrane Fusion ; Membrane Lipids/metabolism ; Mice ; Neuromuscular Junction/drug effects/metabolism/physiology ; Neurons/drug effects/metabolism/ultrastructure ; Neurotoxins/*metabolism/toxicity ; Neurotransmitter Agents/metabolism ; Phospholipases A/*metabolism/toxicity ; Phospholipases A2 ; Synapses/drug effects/ultrastructure ; Synaptic Membranes/metabolism/*physiology ; Synaptic Vesicles/drug effects/physiology/ultrastructure
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  • 157
    Publication Date: 2005-02-12
    Description: We show that the specific subcellular distribution of H- and Nras guanosine triphosphate-binding proteins is generated by a constitutive de/reacylation cycle that operates on palmitoylated proteins, driving their rapid exchange between the plasma membrane (PM) and the Golgi apparatus. Depalmitoylation redistributes farnesylated Ras in all membranes, followed by repalmitoylation and trapping of Ras at the Golgi, from where it is redirected to the PM via the secretory pathway. This continuous cycle prevents Ras from nonspecific residence on endomembranes, thereby maintaining the specific intracellular compartmentalization. The de/reacylation cycle also initiates Ras activation at the Golgi by transport of PM-localized Ras guanosine triphosphate. Different de/repalmitoylation kinetics account for isoform-specific activation responses to growth factors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rocks, Oliver -- Peyker, Anna -- Kahms, Martin -- Verveer, Peter J -- Koerner, Carolin -- Lumbierres, Maria -- Kuhlmann, Jurgen -- Waldmann, Herbert -- Wittinghofer, Alfred -- Bastiaens, Philippe I H -- New York, N.Y. -- Science. 2005 Mar 18;307(5716):1746-52. Epub 2005 Feb 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Structural Biology, Max Planck Institute for Molecular Physiology, Otto-Hahn-Strasse 11, 44227 Dortmund, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15705808" target="_blank"〉PubMed〈/a〉
    Keywords: Acylation ; Amino Acid Sequence ; Animals ; COS Cells ; Cell Line ; Cell Membrane/*metabolism ; Cercopithecus aethiops ; Dogs ; Golgi Apparatus/*metabolism ; Guanosine Triphosphate/metabolism ; Kinetics ; Models, Biological ; Molecular Sequence Data ; Palmitic Acid/*metabolism ; Protein Isoforms/chemistry/metabolism ; Protein Processing, Post-Translational ; Protein Structure, Tertiary ; Protein Transport ; Proto-Oncogene Proteins p21(ras)/chemistry/*metabolism ; Recombinant Fusion Proteins/metabolism ; Transfection
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  • 158
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-06-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zebrowitz, Leslie A -- Montepare, Joann M -- New York, N.Y. -- Science. 2005 Jun 10;308(5728):1565-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychology, Brandeis University, Waltham, MA 02454, USA. zebrowit@brandeis.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15947164" target="_blank"〉PubMed〈/a〉
    Keywords: Character ; *Face/anatomy & histology ; Female ; Forecasting ; Humans ; Judgment ; Leadership ; Male ; *Mental Competency ; *Politics ; *Social Perception ; Stereotyping
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  • 159
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-09-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barker, Alex -- New York, N.Y. -- Science. 2005 Sep 16;309(5742):1814.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16166500" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Art ; *Birds ; Ceremonial Behavior ; *Culture ; Female ; History, Ancient ; Humans ; *Indians, North American/history ; Male ; Population Density
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  • 160
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-05-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Magnus, David -- Cho, Mildred K -- New York, N.Y. -- Science. 2005 Jun 17;308(5729):1747-8. Epub 2005 May 19.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Stanford Center for Biomedical Ethics and Department of Pediatrics, Stanford University, Palo Alto, CA 94304, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15905363" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Line ; Embryo Research/*ethics ; Embryo, Mammalian/cytology ; Ethics Committees, Research ; Ethics, Research ; Female ; Humans ; Informed Consent ; International Cooperation ; Oocyte Donation/*ethics ; Oocytes ; Patient Selection/ethics ; Publishing/ethics ; Research Embryo Creation/ethics ; *Research Subjects ; Risk ; *Stem Cells ; Tissue Donors/*ethics ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 161
    Publication Date: 2005-03-12
    Description: Signaling pathways transmit information through protein interaction networks that are dynamically regulated by complex extracellular cues. We developed LUMIER (for luminescence-based mammalian interactome mapping), an automated high-throughput technology, to map protein-protein interaction networks systematically in mammalian cells and applied it to the transforming growth factor-beta (TGFbeta) pathway. Analysis using self-organizing maps and k-means clustering identified links of the TGFbeta pathway to the p21-activated kinase (PAK) network, to the polarity complex, and to Occludin, a structural component of tight junctions. We show that Occludin regulates TGFbeta type I receptor localization for efficient TGFbeta-dependent dissolution of tight junctions during epithelial-to-mesenchymal transitions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barrios-Rodiles, Miriam -- Brown, Kevin R -- Ozdamar, Barish -- Bose, Rohit -- Liu, Zhong -- Donovan, Robert S -- Shinjo, Fukiko -- Liu, Yongmei -- Dembowy, Joanna -- Taylor, Ian W -- Luga, Valbona -- Przulj, Natasa -- Robinson, Mark -- Suzuki, Harukazu -- Hayashizaki, Yoshihide -- Jurisica, Igor -- Wrana, Jeffrey L -- P50 GM-62413/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2005 Mar 11;307(5715):1621-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Program in Molecular Biology and Cancer, Samuel Lunenfeld Research Institute, Mount Sinai Hospital, Toronto, Ontario, Canada, M5G 1X5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15761153" target="_blank"〉PubMed〈/a〉
    Keywords: Activin Receptors, Type I/metabolism ; Animals ; Cell Line ; Cell Polarity ; DNA-Binding Proteins/metabolism ; Epithelial Cells/cytology/physiology ; Humans ; Immunoprecipitation ; Luciferases ; Membrane Proteins/metabolism ; Mesoderm/cytology ; Mice ; Occludin ; Phosphorylation ; *Protein Interaction Mapping ; Protein-Serine-Threonine Kinases/metabolism ; Receptors, Transforming Growth Factor beta/metabolism ; Recombinant Fusion Proteins/metabolism ; *Signal Transduction ; Smad2 Protein ; Smad4 Protein ; Tight Junctions/ultrastructure ; Trans-Activators/metabolism ; Transforming Growth Factor beta/*metabolism ; p21-Activated Kinases
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  • 162
    Publication Date: 2005-11-15
    Description: Ghrelin, a circulating appetite-inducing hormone, is derived from a prohormone by posttranslational processing. On the basis of the bioinformatic prediction that another peptide also derived from proghrelin exists, we isolated a hormone from rat stomach and named it obestatin-a contraction of obese, from the Latin "obedere," meaning to devour, and "statin," denoting suppression. Contrary to the appetite-stimulating effects of ghrelin, treatment of rats with obestatin suppressed food intake, inhibited jejunal contraction, and decreased body-weight gain. Obestatin bound to the orphan G protein-coupled receptor GPR39. Thus, two peptide hormones with opposing action in weight regulation are derived from the same ghrelin gene. After differential modification, these hormones activate distinct receptors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, Jian V -- Ren, Pei-Gen -- Avsian-Kretchmer, Orna -- Luo, Ching-Wei -- Rauch, Rami -- Klein, Cynthia -- Hsueh, Aaron J W -- New York, N.Y. -- Science. 2005 Nov 11;310(5750):996-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Reproductive Biology, Department of Obstetrics and Gynecology, Stanford University School of Medicine, Stanford, CA 94305-5317, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16284174" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; CHO Cells ; Computational Biology ; Conserved Sequence ; Cricetinae ; *Eating/drug effects ; Fasting ; Gastric Emptying/drug effects ; Gastrointestinal Motility/drug effects ; Ghrelin ; Humans ; In Vitro Techniques ; Ligands ; Male ; Mice ; Mice, Inbred C57BL ; Molecular Sequence Data ; Peptide Hormones/blood/chemistry/*genetics/metabolism/pharmacology/*physiology ; Protein Binding ; Protein Precursors/*genetics ; Radioimmunoassay ; Rats ; Rats, Sprague-Dawley ; Receptors, G-Protein-Coupled/metabolism ; Receptors, Ghrelin ; Signal Transduction ; Weight Gain/drug effects
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  • 163
    Publication Date: 2005-11-08
    Description: Empathizing is the capacity to predict and to respond to the behavior of agents (usually people) by inferring their mental states and responding to these with an appropriate emotion. Systemizing is the capacity to predict and to respond to the behavior of nonagentive deterministic systems by analyzing input-operation-output relations and inferring the rules that govern such systems. At a population level, females are stronger empathizers and males are stronger systemizers. The "extreme male brain" theory posits that autism represents an extreme of the male pattern (impaired empathizing and enhanced systemizing). Here we suggest that specific aspects of autistic neuroanatomy may also be extremes of typical male neuroanatomy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Baron-Cohen, Simon -- Knickmeyer, Rebecca C -- Belmonte, Matthew K -- New York, N.Y. -- Science. 2005 Nov 4;310(5749):819-23.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Autism Research Centre, Cambridge University, Department of Psychiatry, Douglas House, 18b Trumpington Road, Cambridge CB2 2AH, UK. sb205@cam.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16272115" target="_blank"〉PubMed〈/a〉
    Keywords: Androgens/physiology ; Animals ; Asperger Syndrome/pathology/physiopathology/psychology ; Autistic Disorder/pathology/*physiopathology/psychology ; Brain/*anatomy & histology/pathology/*physiology/physiopathology ; Empathy ; Estradiol/metabolism ; Female ; Humans ; Male ; Models, Psychological ; Receptors, Androgen/metabolism ; *Sex Characteristics
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  • 164
    Publication Date: 2005-02-19
    Description: Coiled-coil proteins of the golgin family have been implicated in intra-Golgi transport through tethering coat protein complex I (COPI) vesicles. The p115-golgin tether is the best studied, and here we characterize the golgin-84-CASP tether. The vesicles bound by this tether were strikingly different from those bound by the p115-golgin tether in that they lacked members of the p24 family of putative cargo receptors and contained enzymes instead of anterograde cargo. Microinjected golgin-84 or CASP also inhibited Golgi-enzyme transport to the endoplasmic reticulum, further implicating this tether in retrograde transport. These and other golgins may modulate the flow patterns within the Golgi stack.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Malsam, Jorg -- Satoh, Ayano -- Pelletier, Laurence -- Warren, Graham -- New York, N.Y. -- Science. 2005 Feb 18;307(5712):1095-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Biology, Ludwig Institute for Cancer Research, Yale University School of Medicine, 333 Cedar Street, New Haven, CT 06520-8002, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15718469" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Autoantigens/*metabolism ; Binding, Competitive ; COP-Coated Vesicles/*metabolism ; Cell Fractionation ; Cell Line ; Cytoskeletal Proteins/*metabolism ; DNA-Binding Proteins ; Endoplasmic Reticulum/metabolism ; Golgi Apparatus/chemistry/enzymology/*metabolism ; Humans ; Immunoprecipitation ; Membrane Glycoproteins/metabolism ; Membrane Proteins/*metabolism ; Microscopy, Electron ; Protein Transport ; Rats ; Recombinant Fusion Proteins/metabolism ; Transcription Factors ; Viral Envelope Proteins/metabolism
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  • 165
    Publication Date: 2005-10-22
    Description: There have been numerous recent observations of changes in the behavior and dynamics of migratory bird populations, but the plasticity of the migratory trait and our inability to track small animals over large distances have hindered investigation of the mechanisms behind migratory change. We used habitat-specific stable isotope signatures to show that recently evolved allopatric wintering populations of European blackcaps Sylvia atricapilla pair assortatively on their sympatric breeding grounds. Birds wintering further north also produce larger clutches and fledge more young. These findings describe an important process in the evolution of migratory divides, new migration routes, and wintering quarters. Temporal segregation of breeding is a way in which subpopulations of vertebrates may become isolated in sympatry.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bearhop, Stuart -- Fiedler, Wolfgang -- Furness, Robert W -- Votier, Stephen C -- Waldron, Susan -- Newton, Jason -- Bowen, Gabriel J -- Berthold, Peter -- Farnsworth, Keith -- New York, N.Y. -- Science. 2005 Oct 21;310(5747):502-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Biology and Biochemistry, Medical Biological Centre, Lisburn Road, Queen's University Belfast, Belfast BT6 7BL, UK. s.bearhop@qub.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16239479" target="_blank"〉PubMed〈/a〉
    Keywords: *Animal Migration ; Animals ; *Biological Evolution ; Carbon Isotopes/analysis ; Environment ; Europe ; Female ; Hydrogen/analysis ; Isotopes ; Male ; Passeriformes/*physiology ; Regression Analysis ; *Reproduction ; Seasons ; *Sexual Behavior, Animal
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  • 166
    Publication Date: 2005-09-06
    Description: The determination of the chimpanzee genome sequence provides a means to study both structural and functional aspects of the evolution of the human genome. Here we compare humans and chimpanzees with respect to differences in expression levels and protein-coding sequences for genes active in brain, heart, liver, kidney, and testis. We find that the patterns of differences in gene expression and gene sequences are markedly similar. In particular, there is a gradation of selective constraints among the tissues so that the brain shows the least differences between the species whereas liver shows the most. Furthermore, expression levels as well as amino acid sequences of genes active in more tissues have diverged less between the species than have genes active in fewer tissues. In general, these patterns are consistent with a model of neutral evolution with negative selection. However, for X-chromosomal genes expressed in testis, patterns suggestive of positive selection on sequence changes as well as expression changes are seen. Furthermore, although genes expressed in the brain have changed less than have genes expressed in other tissues, in agreement with previous work we find that genes active in brain have accumulated more changes on the human than on the chimpanzee lineage.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Khaitovich, Philipp -- Hellmann, Ines -- Enard, Wolfgang -- Nowick, Katja -- Leinweber, Marcus -- Franz, Henriette -- Weiss, Gunter -- Lachmann, Michael -- Paabo, Svante -- New York, N.Y. -- Science. 2005 Sep 16;309(5742):1850-4. Epub 2005 Sep 1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, D-04103 Leipzig, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16141373" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Amino Acid Sequence ; Animals ; Base Sequence ; Child ; Chromosomes, Human, X/genetics ; Chromosomes, Mammalian/genetics ; *Evolution, Molecular ; Female ; *Gene Expression ; Gene Expression Profiling ; Gene Expression Regulation ; *Genome ; *Genome, Human ; Heart/physiology ; Humans ; Kidney/physiology ; Liver/physiology ; Male ; Middle Aged ; Models, Genetic ; Oligonucleotide Array Sequence Analysis ; Organ Specificity ; Pan troglodytes/*genetics ; Prefrontal Cortex/physiology ; Promoter Regions, Genetic ; Proteins/genetics ; Selection, Genetic ; Sequence Analysis, DNA ; Species Specificity ; Testis/physiology ; *Transcription, Genetic ; X Chromosome/genetics
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  • 167
    Publication Date: 2005-11-15
    Description: The third variable region (V3) of the HIV-1 gp120 envelope glycoprotein is immunodominant and contains features essential for coreceptor binding. We determined the structure of V3 in the context of an HIV-1 gp120 core complexed to the CD4 receptor and to the X5 antibody at 3.5 angstrom resolution. Binding of gp120 to cell-surface CD4 would position V3 so that its coreceptor-binding tip protrudes 30 angstroms from the core toward the target cell membrane. The extended nature and antibody accessibility of V3 explain its immunodominance. Together, the results provide a structural rationale for the role of V3 in HIV entry and neutralization.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2408531/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2408531/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Huang, Chih-chin -- Tang, Min -- Zhang, Mei-Yun -- Majeed, Shahzad -- Montabana, Elizabeth -- Stanfield, Robyn L -- Dimitrov, Dimiter S -- Korber, Bette -- Sodroski, Joseph -- Wilson, Ian A -- Wyatt, Richard -- Kwong, Peter D -- AI24755/AI/NIAID NIH HHS/ -- AI31783/AI/NIAID NIH HHS/ -- AI39429/AI/NIAID NIH HHS/ -- AI40895/AI/NIAID NIH HHS/ -- GM46192/GM/NIGMS NIH HHS/ -- Z99 AI999999/Intramural NIH HHS/ -- New York, N.Y. -- Science. 2005 Nov 11;310(5750):1025-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Vaccine Research Center, National Institute of Allergy and Infectious Diseases, Bethesda, MD 20892, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16284180" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Antigens, CD4/chemistry/*metabolism ; Binding Sites ; Crystallization ; Crystallography, X-Ray ; HIV Antibodies/immunology ; HIV Envelope Protein gp120/*chemistry/immunology/metabolism ; HIV-1/*chemistry/immunology/metabolism ; Humans ; Hydrogen Bonding ; Immunodominant Epitopes ; Models, Molecular ; Molecular Sequence Data ; Peptide Fragments/*chemistry/immunology/metabolism ; Protein Binding ; Protein Conformation ; Protein Structure, Tertiary ; Receptors, CCR5/chemistry/metabolism ; Receptors, CXCR4/chemistry/metabolism
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  • 168
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-05-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fearon, Eric R -- Cadigan, Ken M -- New York, N.Y. -- Science. 2005 May 6;308(5723):801-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cancer Center, University of Michigan, Ann Arbor, MI 48109, USA. fearon@umich.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15879199" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Cytoskeletal Proteins/metabolism ; Drosophila Proteins/*metabolism ; Drosophila melanogaster/*genetics/metabolism ; *Gene Expression Regulation ; Genes, Insect ; Genes, Reporter ; *Genomics ; Intercellular Signaling Peptides and Proteins/metabolism ; Models, Biological ; Mutation ; Phosphorylation ; Proto-Oncogene Proteins/*metabolism ; *RNA Interference ; RNA, Double-Stranded/genetics/metabolism ; *Signal Transduction ; Trans-Activators/metabolism ; Transcription Factors/genetics/metabolism ; Wings, Animal/metabolism ; Wnt Proteins ; Wnt1 Protein ; beta Catenin
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  • 169
    Publication Date: 2005-10-15
    Description: Increasing antibiotic resistance requires the development of new approaches to combating infection. Virulence gene expression in vivo represents a target for antibiotic discovery that has not yet been explored. A high-throughput, phenotypic screen was used to identify a small molecule 4-[N-(1,8-naphthalimide)]-n-butyric acid, virstatin, that inhibits virulence regulation in Vibrio cholerae. By inhibiting the transcriptional regulator ToxT, virstatin prevents expression of two critical V. cholerae virulence factors, cholera toxin and the toxin coregulated pilus. Orogastric administration of virstatin protects infant mice from intestinal colonization by V. cholerae.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hung, Deborah T -- Shakhnovich, Elizabeth A -- Pierson, Emily -- Mekalanos, John J -- AI26289/AI/NIAID NIH HHS/ -- K08 AI060708-01/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2005 Oct 28;310(5748):670-4. Epub 2005 Oct 13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology and Molecular Genetics, Harvard Medical School, 200 Longwood Avenue, Boston, MA 02115, USA. dhung@partners.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16223984" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anti-Bacterial Agents/*pharmacology ; Bacterial Proteins/biosynthesis/drug effects ; Butyrates/*pharmacology ; Cell Line ; Cholera/microbiology ; Cholera Toxin/biosynthesis ; Fimbriae, Bacterial/drug effects ; Gene Expression Regulation, Bacterial/drug effects ; Intestine, Small/*microbiology ; Mice ; Microbial Sensitivity Tests ; Naphthalenes/*pharmacology ; Naphthalimides ; Transcription Factors/biosynthesis/drug effects ; Vibrio cholerae/*drug effects/pathogenicity ; Virulence/drug effects ; Virulence Factors/biosynthesis
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  • 170
    Publication Date: 2005-09-24
    Description: Aneuploidies are common chromosomal defects that result in growth and developmental deficits and high levels of lethality in humans. To gain insight into the biology of aneuploidies, we manipulated mouse embryonic stem cells and generated a trans-species aneuploid mouse line that stably transmits a freely segregating, almost complete human chromosome 21 (Hsa21). This "transchromosomic" mouse line, Tc1, is a model of trisomy 21, which manifests as Down syndrome (DS) in humans, and has phenotypic alterations in behavior, synaptic plasticity, cerebellar neuronal number, heart development, and mandible size that relate to human DS. Transchromosomic mouse lines such as Tc1 may represent useful genetic tools for dissecting other human aneuploidies.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1378183/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1378183/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉O'Doherty, Aideen -- Ruf, Sandra -- Mulligan, Claire -- Hildreth, Victoria -- Errington, Mick L -- Cooke, Sam -- Sesay, Abdul -- Modino, Sonie -- Vanes, Lesley -- Hernandez, Diana -- Linehan, Jacqueline M -- Sharpe, Paul T -- Brandner, Sebastian -- Bliss, Timothy V P -- Henderson, Deborah J -- Nizetic, Dean -- Tybulewicz, Victor L J -- Fisher, Elizabeth M C -- 076700/Wellcome Trust/United Kingdom -- MC_U117512674/Medical Research Council/United Kingdom -- New York, N.Y. -- Science. 2005 Sep 23;309(5743):2033-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurodegenerative Disease, Institute of Neurology, Queen Square, London WC1N 3BG, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16179473" target="_blank"〉PubMed〈/a〉
    Keywords: *Aneuploidy ; Animals ; Behavior, Animal ; Brain/pathology ; Cell Count ; Cell Line ; Chimera ; *Chromosomes, Human, Pair 21 ; *Disease Models, Animal ; *Down Syndrome/genetics/physiopathology ; Embryo, Mammalian/cytology ; Facial Bones/pathology ; Female ; Gene Expression ; *Genetic Engineering ; Genetic Markers ; Heart Defects, Congenital/embryology ; Hippocampus/physiopathology ; Humans ; Long-Term Potentiation ; Lymphocyte Activation ; Male ; Maze Learning ; Memory ; Mice ; Mice, Inbred Strains ; *Mice, Transgenic ; Neurons/cytology ; Oligonucleotide Array Sequence Analysis ; Phenotype ; Skull/pathology ; Stem Cells ; Synaptic Transmission ; T-Lymphocytes/immunology
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  • 171
    Publication Date: 2005-10-08
    Description: Most people hold beliefs about personality characteristics typical of members of their own and others' cultures. These perceptions of national character may be generalizations from personal experience, stereotypes with a "kernel of truth," or inaccurate stereotypes. We obtained national character ratings of 3989 people from 49 cultures and compared them with the average personality scores of culture members assessed by observer ratings and self-reports. National character ratings were reliable but did not converge with assessed traits. Perceptions of national character thus appear to be unfounded stereotypes that may serve the function of maintaining a national identity.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2775052/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2775052/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Terracciano, A -- Abdel-Khalek, A M -- Adam, N -- Adamovova, L -- Ahn, C-k -- Ahn, H-n -- Alansari, B M -- Alcalay, L -- Allik, J -- Angleitner, A -- Avia, M D -- Ayearst, L E -- Barbaranelli, C -- Beer, A -- Borg-Cunen, M A -- Bratko, D -- Brunner-Sciarra, M -- Budzinski, L -- Camart, N -- Dahourou, D -- De Fruyt, F -- de Lima, M P -- del Pilar, G E H -- Diener, E -- Falzon, R -- Fernando, K -- Fickova, E -- Fischer, R -- Flores-Mendoza, C -- Ghayur, M A -- Gulgoz, S -- Hagberg, B -- Halberstadt, J -- Halim, M S -- Hrebickova, M -- Humrichouse, J -- Jensen, H H -- Jocic, D D -- Jonsson, F H -- Khoury, B -- Klinkosz, W -- Knezevic, G -- Lauri, M A -- Leibovich, N -- Martin, T A -- Marusic, I -- Mastor, K A -- Matsumoto, D -- McRorie, M -- Meshcheriakov, B -- Mortensen, E L -- Munyae, M -- Nagy, J -- Nakazato, K -- Nansubuga, F -- Oishi, S -- Ojedokun, A O -- Ostendorf, F -- Paulhus, D L -- Pelevin, S -- Petot, J-M -- Podobnik, N -- Porrata, J L -- Pramila, V S -- Prentice, G -- Realo, A -- Reategui, N -- Rolland, J-P -- Rossier, J -- Ruch, W -- Rus, V S -- Sanchez-Bernardos, M L -- Schmidt, V -- Sciculna-Calleja, S -- Sekowski, A -- Shakespeare-Finch, J -- Shimonaka, Y -- Simonetti, F -- Sineshaw, T -- Siuta, J -- Smith, P B -- Trapnell, P D -- Trobst, K K -- Wang, L -- Yik, M -- Zupancic, A -- McCrae, R R -- Z99 AG999999/Intramural NIH HHS/ -- ZIA AG000180-25/Intramural NIH HHS/ -- ZIA AG000180-26/Intramural NIH HHS/ -- New York, N.Y. -- Science. 2005 Oct 7;310(5745):96-100.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Institute on Aging, NIH, DHHS, Gerontology Research Center, 5600 Nathan Shock Drive, Baltimore, MD 21224, USA. terraccianoa@grc.nia.nih.gov〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16210536" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; *Character ; Cross-Cultural Comparison ; *Culture ; *Ethnic Groups ; Female ; Humans ; Male ; *Personality ; Personality Assessment ; Reproducibility of Results ; Social Perception ; Stereotyping ; Surveys and Questionnaires
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  • 172
    Publication Date: 2005-03-19
    Description: We have reconstructed the events that led to the evolution of a key physiological innovation underpinning the large adaptive radiation of fishes, namely their unique ability to secrete molecular oxygen (O2). We show that O2 secretion into the swimbladder evolved some 100 million years after another O2-secreting system in the eye. We unravel the likely sequence in which the functional components of both systems evolved. These components include ocular and swimbladder countercurrent exchangers, the Bohr and Root effects, the buffering power and surface histidine content of hemoglobins, and red blood cell Na+/H+ exchange activity. Our synthesis reveals the dynamics of gains and losses of these multiple traits over time, accounting for part of the huge diversity of form and function in living fishes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Berenbrink, Michael -- Koldkjaer, Pia -- Kepp, Oliver -- Cossins, Andrew R -- New York, N.Y. -- Science. 2005 Mar 18;307(5716):1752-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Biological Sciences, University of Liverpool, Crown Street, Liverpool L69 7ZB, UK. michaelb@liv.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15774753" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Physiological ; Air Sacs/blood supply/*physiology ; Amino Acid Sequence ; Animals ; *Biological Evolution ; Buffers ; Capillaries/physiology ; Choroid/blood supply/physiology ; Diffusion ; Environment ; Erythrocytes/physiology ; Fishes/anatomy & histology/classification/*physiology ; Hemoglobins/chemistry/*metabolism ; Histidine/analysis ; Hydrogen-Ion Concentration ; Molecular Sequence Data ; Oxygen/*metabolism ; Oxyhemoglobins/metabolism ; Phylogeny ; Sodium-Hydrogen Antiporter/blood/metabolism ; Species Specificity
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  • 173
    Publication Date: 2005-02-26
    Description: Loss of imprinting (LOI) of the insulin-like growth factor II gene (IGF2) is an epigenetic alteration that results in a modest increase in IGF2 expression, and it is present in the normal colonic mucosa of about 30% of patients with colorectal cancer. To investigate its role in intestinal tumorigenesis, we created a mouse model of Igf2 LOI by crossing female H19+/- mice with male Apc+/Min mice. Mice with LOI developed twice as many intestinal tumors as did control littermates. Notably, these mice also showed a shift toward a less differentiated normal intestinal epithelium, reflected by an increase in crypt length and increased staining with progenitor cell markers. A similar shift in differentiation was seen in the normal colonic mucosa of humans with LOI. Thus, altered maturation of nonneoplastic tissue may be one mechanism by which epigenetic changes affect cancer risk.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sakatani, Takashi -- Kaneda, Atsushi -- Iacobuzio-Donahue, Christine A -- Carter, Mark G -- de Boom Witzel, Sten -- Okano, Hideyuki -- Ko, Minoru S H -- Ohlsson, Rolf -- Longo, Dan L -- Feinberg, Andrew P -- K08CA106610/CA/NCI NIH HHS/ -- R01CA65145/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2005 Mar 25;307(5717):1976-8. Epub 2005 Feb 24.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15731405" target="_blank"〉PubMed〈/a〉
    Keywords: Adenoma/etiology/pathology ; Animals ; Apoptosis ; Cell Differentiation ; Cell Proliferation ; Colon/cytology/metabolism ; Colonic Neoplasms/etiology/pathology ; Enterocytes/*cytology/metabolism ; Ephrin-B1/analysis ; Epigenesis, Genetic ; Female ; *Genomic Imprinting ; Humans ; Insulin-Like Growth Factor II/*genetics/*metabolism ; Intestinal Mucosa/*cytology/metabolism ; Intestinal Neoplasms/*etiology/pathology ; Intestines/*metabolism ; Male ; Mice ; Mice, Inbred C57BL ; Microfilament Proteins/analysis ; Nerve Tissue Proteins/analysis ; Nuclear Proteins/analysis ; RNA, Long Noncoding ; RNA, Untranslated/genetics ; RNA-Binding Proteins/analysis ; Stem Cells/cytology ; Transcription Factors/analysis ; Twist Transcription Factor
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  • 174
    Publication Date: 2005-07-16
    Description: In everyday life, the successful monitoring of behavior requires continuous updating of the effectiveness of motor acts; one crucial step is becoming aware of the movements one is performing. We studied the anatomical distribution of lesions in right-brain-damaged hemiplegic patients, who obstinately denied their motor impairment, claiming that they could move their paralyzed limbs. Denial was associated with lesions in areas related to the programming of motor acts, particularly Brodmann's premotor areas 6 and 44, motor area 4, and the somatosensory cortex. This association suggests that monitoring systems may be implemented within the same cortical network that is responsible for the primary function that has to be monitored.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Berti, A -- Bottini, G -- Gandola, M -- Pia, L -- Smania, N -- Stracciari, A -- Castiglioni, I -- Vallar, G -- Paulesu, E -- New York, N.Y. -- Science. 2005 Jul 15;309(5733):488-91.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Psychology Department and Center for Cognitive Science, University of Turin, Via Po 14, 10123 Turin, Italy. berti@psych.unito.it〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16020740" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Aged, 80 and over ; *Awareness ; Brain Damage, Chronic/pathology/*physiopathology ; Brain Mapping ; Frontal Lobe/pathology/physiopathology ; Hemiplegia/*physiopathology ; Humans ; Magnetic Resonance Imaging ; Male ; Middle Aged ; Motor Activity ; Motor Cortex/pathology/*physiopathology ; Movement ; Nerve Net/physiology ; Perceptual Disorders/pathology/*physiopathology ; Prefrontal Cortex/pathology/physiopathology ; Somatosensory Cortex/*physiopathology
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  • 175
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-07-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Santagata, Sandro -- Kinney, Hannah C -- New York, N.Y. -- Science. 2005 Jul 15;309(5733):381-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16020715" target="_blank"〉PubMed〈/a〉
    Keywords: Astrocytes/metabolism/virology ; Cell Line ; Humans ; JC Virus/*physiology ; Leukoencephalopathy, Progressive Multifocal/virology ; Oligodendroglia/metabolism/*virology ; Receptor, Serotonin, 5-HT2A/physiology ; Receptors, Virus/physiology ; Serotonin 5-HT2 Receptor Antagonists
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  • 176
    Publication Date: 2005-04-30
    Description: The ivory-billed woodpecker (Campephilus principalis), long suspected to be extinct, has been rediscovered in the Big Woods region of eastern Arkansas. Visual encounters during 2004 and 2005, and analysis of a video clip from April 2004, confirm the existence of at least one male. Acoustic signatures consistent with Campephilus display drums also have been heard from the region. Extensive efforts to find birds away from the primary encounter site remain unsuccessful, but potential habitat for a thinly distributed source population is vast (over 220,000 hectares).〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fitzpatrick, John W -- Lammertink, Martjan -- Luneau, M David Jr -- Gallagher, Tim W -- Harrison, Bobby R -- Sparling, Gene M -- Rosenberg, Kenneth V -- Rohrbaugh, Ronald W -- Swarthout, Elliott C H -- Wrege, Peter H -- Swarthout, Sara Barker -- Dantzker, Marc S -- Charif, Russell A -- Barksdale, Timothy R -- Remsen, J V Jr -- Simon, Scott D -- Zollner, Douglas -- New York, N.Y. -- Science. 2005 Jun 3;308(5727):1460-2. Epub 2005 Apr 28.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cornell Laboratory of Ornithology, Cornell University, 159 Sapsucker Woods Road, Ithaca, NY 14850, USA. jwf7@cornell.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15860589" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arkansas ; Biological Evolution ; *Birds ; Conservation of Natural Resources ; Ecology ; Male ; Video Recording
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  • 177
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-04-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, Jon -- New York, N.Y. -- Science. 2005 Apr 29;308(5722):618-21.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15860602" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Cervical Intraepithelial Neoplasia/prevention & control ; Clinical Trials as Topic ; Condylomata Acuminata/prevention & control ; Developed Countries ; Developing Countries ; Drug Approval ; Drug Industry ; Female ; Humans ; Immunization Programs ; Male ; Papillomaviridae/*immunology ; Papillomavirus Infections/*prevention & control/transmission ; Uterine Cervical Neoplasms/*prevention & control/*virology ; Vaccines, Synthetic ; *Viral Vaccines/administration & dosage/adverse effects/immunology
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  • 178
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-04-12
    Description: For more than two decades, researchers have argued that young children do not understand mental states such as beliefs. Part of the evidence for this claim comes from preschoolers' failure at verbal tasks that require the understanding that others may hold false beliefs. Here, we used a novel nonverbal task to examine 15-month-old infants' ability to predict an actor's behavior on the basis of her true or false belief about a toy's hiding place. Results were positive, supporting the view that, from a young age, children appeal to mental states--goals, perceptions, and beliefs--to explain the behavior of others.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3357322/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3357322/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Onishi, Kristine H -- Baillargeon, Renee -- 1 T32MH19990/MH/NIMH NIH HHS/ -- HD-21104/HD/NICHD NIH HHS/ -- R01 HD021104/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 2005 Apr 8;308(5719):255-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychology, McGill University, Montreal, Quebec H3A 1B1, Canada. kris.onishi@mcgill.ca〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15821091" target="_blank"〉PubMed〈/a〉
    Keywords: Behavior ; *Child Development ; *Comprehension ; Female ; Humans ; Infant ; Male ; *Mental Processes ; Psychology, Child ; Psychology, Social
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  • 179
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-04-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, Jean -- New York, N.Y. -- Science. 2005 Apr 29;308(5722):624-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15860605" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chromatin/metabolism/ultrastructure ; DNA-Directed RNA Polymerases/metabolism ; Dosage Compensation, Genetic ; Drosophila/genetics ; Drosophila Proteins/chemistry/genetics/*physiology ; *Gene Expression Regulation, Developmental ; *Gene Silencing ; Histones/metabolism ; Humans ; Male ; Methylation ; Mutation ; Neoplasms/etiology/genetics ; Nucleosomes/ultrastructure ; Pluripotent Stem Cells/physiology ; Polycomb Repressive Complex 1 ; Polycomb-Group Proteins ; Prostatic Neoplasms/genetics/metabolism/pathology ; Proteins/genetics/metabolism ; Repressor Proteins/chemistry/genetics/*physiology ; Transcription, Genetic ; Ubiquitin/metabolism
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  • 180
    Publication Date: 2005-03-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, Jean -- New York, N.Y. -- Science. 2005 Mar 11;307(5715):1547.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15761131" target="_blank"〉PubMed〈/a〉
    Keywords: Alzheimer Disease/*prevention & control ; Amyloid beta-Peptides/*metabolism ; Animals ; Brain/*metabolism ; Exercise ; Gene Expression ; Housing, Animal ; Humans ; Learning ; Male ; Memory ; Mice ; Neprilysin/metabolism ; *Physical Conditioning, Animal ; Plaque, Amyloid/*metabolism ; Risk
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  • 181
    Publication Date: 2005-07-30
    Description: Classical fear conditioning investigates how animals learn to associate environmental stimuli with an aversive event. We examined how the mechanisms of fear conditioning apply when humans learn to associate social ingroup and outgroup members with a fearful event, with the goal of advancing our understanding of basic learning theory and social group interaction. Primates more readily associate stimuli from certain fear-relevant natural categories, such as snakes, with a negative outcome relative to stimuli from fear-irrelevant categories, such as birds. We assessed whether this bias in fear conditioning extends to social groups defined by race. Our results indicate that individuals from a racial group other than one's own are more readily associated with an aversive stimulus than individuals of one's own race, among both white and black Americans. This prepared fear response might be reduced by close, positive interracial contact.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Olsson, Andreas -- Ebert, Jeffrey P -- Banaji, Mahzarin R -- Phelps, Elizabeth A -- 1RO1MH57672/MH/NIMH NIH HHS/ -- 5R01MH068447/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 2005 Jul 29;309(5735):785-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychology, New York University, 6 Washington Place, New York, NY 10003, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16051800" target="_blank"〉PubMed〈/a〉
    Keywords: African Americans/*psychology ; Attitude ; Biological Evolution ; *Conditioning (Psychology) ; Culture ; European Continental Ancestry Group/*psychology ; Extinction, Psychological ; Face ; Fear/*psychology ; Female ; Galvanic Skin Response ; Humans ; Interpersonal Relations ; *Learning ; Male ; *Prejudice ; Social Behavior ; Social Distance ; Stereotyping
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  • 182
    Publication Date: 2005-11-29
    Description: Wingless secretion provides pivotal signals during development by activating transcription of target genes. At Drosophila synapses, Wingless is secreted from presynaptic terminals and is required for synaptic growth and differentiation. Wingless binds the seven-pass transmembrane DFrizzled2 receptor, but the ensuing events at synapses are not known. We show that DFrizzled2 is endocytosed from the postsynaptic membrane and transported to the nucleus. The C terminus of DFrizzled2 is cleaved and translocated into the nucleus; the N-terminal region remains just outside the nucleus. Translocation of DFrizzled2-C into the nucleus, but not its cleavage and transport, depends on Wingless signaling. We conclude that, at synapses, Wingless signal transduction occurs through the nuclear localization of DFrizzled2-C for potential transcriptional regulation of synapse development.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3535279/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3535279/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mathew, Dennis -- Ataman, Bulent -- Chen, Jinyun -- Zhang, Yali -- Cumberledge, Susan -- Budnik, Vivian -- GM R01 HD36000/GM/NIGMS NIH HHS/ -- R01 MH070000/MH/NIMH NIH HHS/ -- R01 MH70000/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 2005 Nov 25;310(5752):1344-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurobiology, University of Massachusetts Medical School, Worcester, MA 01605, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16311339" target="_blank"〉PubMed〈/a〉
    Keywords: Active Transport, Cell Nucleus ; Amino Acid Sequence ; Animals ; Cell Line ; Cell Nucleus/*metabolism ; Drosophila Proteins/chemistry/genetics/*metabolism ; Drosophila melanogaster/genetics/*metabolism ; Endocytosis ; Frizzled Receptors ; Molecular Sequence Data ; Muscle Cells/metabolism ; Mutagenesis, Site-Directed ; Neuromuscular Junction/*metabolism ; Protein Binding ; Proto-Oncogene Proteins/*metabolism ; Receptors, G-Protein-Coupled ; Receptors, Neurotransmitter/chemistry/genetics/*metabolism ; *Signal Transduction ; Synaptic Membranes/metabolism ; Transfection ; Transgenes ; Wnt1 Protein
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  • 183
    Publication Date: 2005-02-05
    Description: Cytokine production plays a critical role in diseases caused by Kaposi's sarcoma-associated herpesvirus (KSHV). Here we show that a latent KSHV gene product, kaposin B, increases the expression of cytokines by blocking the degradation of their messenger RNAs (mRNAs). Cytokine transcripts are normally unstable because they contain AU-rich elements (AREs) in their 3' noncoding regions that target them for degradation. Kaposin B reverses this instability by binding to and activating the kinase MK2, a target of the p38 mitogen-activated protein kinase signaling pathway and a known inhibitor of ARE-mRNA decay. These findings define an important mechanism linking latent KSHV infection to cytokine production, and also illustrate a distinctive mode by which viruses can selectively modulate mRNA turnover.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McCormick, Craig -- Ganem, Don -- New York, N.Y. -- Science. 2005 Feb 4;307(5710):739-41.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Microbiology and Immunology, and Department of Medicine, University of California, San Francisco, CA 94143, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15692053" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Line ; Cell Line, Tumor ; Cell Nucleus/metabolism ; Cytokines/*genetics/*metabolism ; Cytosol/metabolism ; Enzyme Activation ; HeLa Cells ; Herpesvirus 8, Human/*physiology ; Humans ; Intracellular Signaling Peptides and Proteins ; *MAP Kinase Signaling System ; Models, Biological ; Phosphorylation ; Protein-Serine-Threonine Kinases/genetics/*metabolism ; *RNA Stability ; RNA, Messenger/*metabolism ; Repetitive Sequences, Nucleic Acid ; Transcription, Genetic ; Transfection ; Two-Hybrid System Techniques ; Viral Proteins/*metabolism ; Virus Latency ; p38 Mitogen-Activated Protein Kinases/genetics/*metabolism
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  • 184
    Publication Date: 2005-05-10
    Description: To determine the role of reactive oxygen species in mammalian longevity, we generated transgenic mice that overexpress human catalase localized to the peroxisome, the nucleus, or mitochondria (MCAT). Median and maximum life spans were maximally increased (averages of 5 months and 5.5 months, respectively) in MCAT animals. Cardiac pathology and cataract development were delayed, oxidative damage was reduced, H2O2 production and H2O2-induced aconitase inactivation were attenuated, and the development of mitochondrial deletions was reduced. These results support the free radical theory of aging and reinforce the importance of mitochondria as a source of these radicals.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schriner, Samuel E -- Linford, Nancy J -- Martin, George M -- Treuting, Piper -- Ogburn, Charles E -- Emond, Mary -- Coskun, Pinar E -- Ladiges, Warren -- Wolf, Norman -- Van Remmen, Holly -- Wallace, Douglas C -- Rabinovitch, Peter S -- AG001751/AG/NIA NIH HHS/ -- AG13280/AG/NIA NIH HHS/ -- ES07033/ES/NIEHS NIH HHS/ -- New York, N.Y. -- Science. 2005 Jun 24;308(5730):1909-11. Epub 2005 May 5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genome Sciences, University of Washington, Seattle, WA 91895, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15879174" target="_blank"〉PubMed〈/a〉
    Keywords: Aconitate Hydratase/metabolism ; *Aging ; Animals ; Arteriosclerosis/pathology ; Catalase/genetics/*metabolism ; Cataract/pathology ; Cell Nucleus/enzymology/metabolism ; DNA/chemistry ; Deoxyguanosine/*analogs & derivatives/analysis ; Female ; Free Radicals ; Heart Diseases/pathology ; Humans ; Hydrogen Peroxide/*metabolism ; *Longevity ; Male ; Mice ; Mice, Transgenic ; Mitochondria/enzymology/*metabolism ; Mitochondria, Heart/enzymology/*metabolism ; Muscle, Skeletal/chemistry ; Myocardium/chemistry/pathology ; Oxidation-Reduction ; Oxidative Stress ; Peroxisomes/enzymology ; Reactive Oxygen Species/*metabolism ; Reverse Transcriptase Polymerase Chain Reaction ; Signal Transduction ; Superoxide Dismutase/genetics/metabolism
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  • 185
    Publication Date: 2005-05-14
    Description: Polyglutamylation of tubulin has been implicated in several functions of microtubules, but the identification of the responsible enzyme(s) has been challenging. We found that the neuronal tubulin polyglutamylase is a protein complex containing a tubulin tyrosine ligase-like (TTLL) protein, TTLL1. TTLL1 is a member of a large family of proteins with a TTL homology domain, whose members could catalyze ligations of diverse amino acids to tubulins or other substrates. In the model protist Tetrahymena thermophila, two conserved types of polyglutamylases were characterized that differ in substrate preference and subcellular localization.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Janke, Carsten -- Rogowski, Krzysztof -- Wloga, Dorota -- Regnard, Catherine -- Kajava, Andrey V -- Strub, Jean-Marc -- Temurak, Nevzat -- van Dijk, Juliette -- Boucher, Dominique -- van Dorsselaer, Alain -- Suryavanshi, Swati -- Gaertig, Jacek -- Edde, Bernard -- New York, N.Y. -- Science. 2005 Jun 17;308(5729):1758-62. Epub 2005 May 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre de Recherches de Biochimie Macromoleculaire, CNRS, 34293 Montpellier, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15890843" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Motifs ; Amino Acid Sequence ; Animals ; Binding Sites ; Brain/enzymology ; *Catalytic Domain ; Cilia/physiology ; Humans ; Mice ; Microtubules/metabolism ; Models, Molecular ; Molecular Sequence Data ; Movement ; Peptide Synthases/*chemistry/genetics/isolation & purification/*metabolism ; Phylogeny ; Polyglutamic Acid/*chemistry/genetics/isolation & purification/*metabolism ; Protein Conformation ; Protein Subunits/chemistry/isolation & purification/metabolism ; Recombinant Fusion Proteins/metabolism ; Substrate Specificity ; Tetrahymena thermophila/*enzymology/genetics/metabolism ; Tubulin/*chemistry/genetics/isolation & purification/*metabolism
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  • 186
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-12-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2005 Dec 16;310(5755):1760-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16357240" target="_blank"〉PubMed〈/a〉
    Keywords: Diabetes Mellitus/*genetics ; *Diet ; *Epigenesis, Genetic ; *Family ; Fathers ; Female ; Food Supply ; Humans ; Life Style ; Male ; *Mortality ; Overweight/*genetics ; Risk Factors ; Sex Characteristics ; *Smoking ; Time Factors
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  • 187
    Publication Date: 2005-05-14
    Description: Canary song is hierarchically structured: Short stereotyped syllables are repeated to form phrases, which in turn are arranged to form songs. This structure occurs even in the songs of young isolates, which suggests that innate rules govern canary song development. However, juveniles that had never heard normal song imitated abnormal synthetic songs with great accuracy, even when the tutor songs lacked phrasing. As the birds matured, imitated songs were reprogrammed to form typical canary phrasing. Thus, imitation and innate song constraints are separate processes that can be segregated in time: freedom in youth, rules in adulthood.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gardner, Timothy J -- Naef, Felix -- Nottebohm, Fernando -- MH18343/MH/NIMH NIH HHS/ -- MH63132/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 2005 May 13;308(5724):1046-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Animal Behavior, Rockefeller University, New York, NY 10021, USA. tgardner@mit.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15890887" target="_blank"〉PubMed〈/a〉
    Keywords: Aging ; Animals ; Canaries/growth & development/*physiology ; Female ; *Imitative Behavior ; *Learning ; Male ; Memory ; Sexual Maturation ; Testosterone/pharmacology ; *Vocalization, Animal
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  • 188
    Publication Date: 2005-04-30
    Description: In the crystal structure of the membrane-embedded rotor ring of the sodium ion-translocating adenosine 5'-triphosphate (ATP) synthase of Ilyobacter tartaricus at 2.4 angstrom resolution, 11 c subunits are assembled into an hourglass-shaped cylinder with 11-fold symmetry. Sodium ions are bound in a locked conformation close to the outer surface of the cylinder near the middle of the membrane. The structure supports an ion-translocation mechanism in the intact ATP synthase in which the binding site converts from the locked conformation into one that opens toward subunit a as the rotor ring moves through the subunit a/c interface.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Meier, Thomas -- Polzer, Patrick -- Diederichs, Kay -- Welte, Wolfram -- Dimroth, Peter -- New York, N.Y. -- Science. 2005 Apr 29;308(5722):659-62.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institut fur Mikrobiologie, Eidgenossische Technische Hochschule (ETH), Zurich Honggerberg, Wolfgang-Pauli-Str. 10, CH-8093 Zurich, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15860619" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Triphosphatases/*chemistry/metabolism ; Amino Acid Sequence ; Bacterial Proteins/*chemistry/metabolism ; Binding Sites ; Crystallography, X-Ray ; Cytoplasm/metabolism ; Fusobacteria/*enzymology ; Glutamic Acid/chemistry/metabolism ; Hydrophobic and Hydrophilic Interactions ; Ion Transport ; Models, Molecular ; Molecular Motor Proteins/*chemistry/metabolism ; Molecular Sequence Data ; Protein Conformation ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Protein Subunits/chemistry/metabolism ; Sodium/metabolism
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  • 189
    Publication Date: 2005-05-21
    Description: A distinct species of mangabey was independently found at two sites 370 kilometers apart in southern Tanzania (Mount Rungwe and Livingstone in the Southern Highlands and Ndundulu in the Udzungwa Mountains). This new species is described here and given the name "highland mangabey" Lophocebus kipunji sp. nov. We place this monkey in Lophocebus, because it possesses noncontrasting black eyelids and is arboreal. L. kipunji is distinguished from other mangabeys by the color of its pelage; long, upright crest; off-white tail and ventrum; and loud call. This find has implications for primate evolution, African biogeography, and forest conservation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jones, Trevor -- Ehardt, Carolyn L -- Butynski, Thomas M -- Davenport, Tim R B -- Mpunga, Noah E -- Machaga, Sophy J -- De Luca, Daniela W -- New York, N.Y. -- Science. 2005 May 20;308(5725):1161-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Udzungwa Mountains National Park, Box 99, Mang'ula, Tanzania. tembomkubwa@gmail.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15905399" target="_blank"〉PubMed〈/a〉
    Keywords: Altitude ; Animals ; Biodiversity ; Body Size ; Cercocebus/anatomy & histology/*classification ; Conservation of Natural Resources ; Environment ; Geography ; Male ; Population Density ; Tanzania ; Temperature ; Terminology as Topic ; Trees ; Vocalization, Animal
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  • 190
    Publication Date: 2005-01-08
    Description: Segmental duplications in the human genome are selectively enriched for genes involved in immunity, although the phenotypic consequences for host defense are unknown. We show that there are significant interindividual and interpopulation differences in the copy number of a segmental duplication encompassing the gene encoding CCL3L1 (MIP-1alphaP), a potent human immunodeficiency virus-1 (HIV-1)-suppressive chemokine and ligand for the HIV coreceptor CCR5. Possession of a CCL3L1 copy number lower than the population average is associated with markedly enhanced HIV/acquired immunodeficiency syndrome (AIDS) susceptibility. This susceptibility is even greater in individuals who also possess disease-accelerating CCR5 genotypes. This relationship between CCL3L1 dose and altered HIV/AIDS susceptibility points to a central role for CCL3L1 in HIV/AIDS pathogenesis and indicates that differences in the dose of immune response genes may constitute a genetic basis for variable responses to infectious diseases.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gonzalez, Enrique -- Kulkarni, Hemant -- Bolivar, Hector -- Mangano, Andrea -- Sanchez, Racquel -- Catano, Gabriel -- Nibbs, Robert J -- Freedman, Barry I -- Quinones, Marlon P -- Bamshad, Michael J -- Murthy, Krishna K -- Rovin, Brad H -- Bradley, William -- Clark, Robert A -- Anderson, Stephanie A -- O'connell, Robert J -- Agan, Brian K -- Ahuja, Seema S -- Bologna, Rosa -- Sen, Luisa -- Dolan, Matthew J -- Ahuja, Sunil K -- AI043279/AI/NIAID NIH HHS/ -- AI046326/AI/NIAID NIH HHS/ -- MH069270/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 2005 Mar 4;307(5714):1434-40. Epub 2005 Jan 6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Veterans Administration Research Center for AIDS and HIV-1 Infection, South Texas Veterans Health Care System, and Department of Medicine, University of Texas Health Science Center, San Antonio, TX 78229, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15637236" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Aged ; Animals ; Chemokines, CC/*genetics/metabolism ; Child ; Cohort Studies ; Continental Population Groups/genetics ; Disease Progression ; Ethnic Groups/genetics ; Female ; *Gene Dosage ; *Gene Duplication ; *Genetic Predisposition to Disease ; Genotype ; HIV Infections/epidemiology/*genetics/*immunology/virology ; *HIV-1/metabolism ; Humans ; Male ; Middle Aged ; Pan troglodytes/genetics ; Phenotype ; Public Health ; Receptors, CCR5/genetics/metabolism ; Selection, Genetic
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  • 191
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-10-22
    Description: We purified antifreeze proteins from winter-active snow fleas, Hypogastrura harveyi. These 6.5- and 15.7-kilodalton thermolabile proteins are glycine-rich (45% of the residues), and the short isoform is composed of the tripeptide repeat Gly-X-X. This makes them very different from other antifreeze proteins, including two from insects, suggesting independent adaptation to freezing environments.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Graham, Laurie A -- Davies, Peter L -- New York, N.Y. -- Science. 2005 Oct 21;310(5747):461.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, Queen's University, Kingston, ON K7L 3N6, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16239469" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Amino Acids/analysis ; Animals ; Antifreeze Proteins/*chemistry/isolation & purification ; Arthropods/*chemistry ; Circular Dichroism ; Evolution, Molecular ; Glycine/*analysis ; Ice ; Molecular Sequence Data ; Molecular Weight ; Snow
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  • 192
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-07-30
    Description: In birds and other vertebrates, most acoustic signals are produced pneumatically by moving air through a vocal apparatus. Here we describe a unique mechanism used to produce a tonal acoustic signal in vertebrates. Video recordings of the courtship displays of male Club-winged Manakins, Machaeropterus deliciosus, reveal that males produce sustained harmonic tones through interactions among oscillating secondary wing feathers. This mechanism of sound production shows morphological and mechanistic convergence with arthropod stridulation. Intersexual selection for production of a nonvocal courtship song has led to major morphological, functional, and likely physiological modifications in the wing of this flying bird.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bostwick, Kimberly S -- Prum, Richard O -- New York, N.Y. -- Science. 2005 Jul 29;309(5735):736.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology and Evolutionary Biology, Cornell University, Ithaca, NY 14850, USA. ksb6@cornell.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16051789" target="_blank"〉PubMed〈/a〉
    Keywords: *Animal Communication ; Animals ; Biological Evolution ; Biomechanical Phenomena ; Feathers/anatomy & histology/*physiology ; Male ; Movement ; Passeriformes/anatomy & histology/*physiology ; *Sexual Behavior, Animal ; *Sound ; Video Recording ; Wings, Animal/anatomy & histology/*physiology
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  • 193
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-05-21
    Description: Two distinct forms of consolidated associative memory are known in Drosophila: long-term memory and so-called anesthesia-resistant memory. Long-term memory is more stable, but unlike anesthesia-resistant memory, its formation requires protein synthesis. We show that flies induced to form long-term memory become more susceptible to extreme stress (such as desiccation). In contrast, induction of anesthesia-resistant memory had no detectable effect on desiccation resistance. This finding may help to explain why evolution has maintained anesthesia-resistant memory as another form of consolidated memory, distinct from long-term memory.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mery, Frederic -- Kawecki, Tadeusz J -- New York, N.Y. -- Science. 2005 May 20;308(5725):1148.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Section of Ecology and Evolution, Department of Biology, University of Fribourg, Chemin du Musee 10, CH-1700 Fribourg, Switzerland. frederic.mery@unifr.ch〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15905396" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; Conditioning (Psychology) ; Drosophila Proteins/biosynthesis ; Drosophila melanogaster/*physiology ; Female ; Male ; Memory/*physiology ; Odors ; Starvation ; Water Deprivation
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  • 194
    Publication Date: 2005-08-06
    Description: The brain keenly depends on glucose for energy, and mammalians have redundant systems to control glucose production. An increase in circulating glucose inhibits glucose production in the liver, but this negative feedback is impaired in type 2 diabetes. Here we report that a primary increase in hypothalamic glucose levels lowers blood glucose through inhibition of glucose production in rats. The effect of glucose requires its conversion to lactate followed by stimulation of pyruvate metabolism, which leads to activation of adenosine triphosphate (ATP)-sensitive potassium channels. Thus, interventions designed to enhance the hypothalamic sensing of glucose may improve glucose homeostasis in diabetes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lam, Tony K T -- Gutierrez-Juarez, Roger -- Pocai, Alessandro -- Rossetti, Luciano -- AG 21654/AG/NIA NIH HHS/ -- DK 20541/DK/NIDDK NIH HHS/ -- DK 45024/DK/NIDDK NIH HHS/ -- DK 48321/DK/NIDDK NIH HHS/ -- T32-AG023475/AG/NIA NIH HHS/ -- New York, N.Y. -- Science. 2005 Aug 5;309(5736):943-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Departments of Medicine and Molecular Pharmacology, Diabetes Research Center, Albert Einstein College of Medicine, 1300 Morris Park Avenue, Bronx, NY 10461, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16081739" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Astrocytes/metabolism ; Blood Glucose/*metabolism ; Citric Acid Cycle ; Feedback, Physiological ; Glucose/administration & dosage/*metabolism ; Glucose-6-Phosphatase/metabolism ; Hypothalamus/*metabolism ; Injections, Intraventricular ; Lactic Acid/metabolism ; Liver/*metabolism ; Male ; Neurons/metabolism ; Potassium Channels/metabolism ; Pyruvates/*metabolism ; Rats ; Rats, Sprague-Dawley
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  • 195
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-01-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Graves, Jennifer A Marshall -- New York, N.Y. -- Science. 2005 Jan 7;307(5706):50-1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Research School of Biological Sciences, Australian National University, Canberra, ACT 2601, Australia. jenny.graves@anu.edu.au〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15637257" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Chromosomes/physiology ; Drosophila/*genetics ; Female ; Gene Dosage ; Genes, Insect ; Genome ; Male ; X Chromosome/genetics/physiology ; Y Chromosome/*genetics/*physiology
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  • 196
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 2005-05-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vogel, Gretchen -- New York, N.Y. -- Science. 2005 May 20;308(5725):1096-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15905368" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Blastocyst/*cytology ; Cell Line ; Child ; Child, Preschool ; *Cloning, Organism/ethics/methods ; Embryo Research/ethics ; Female ; Humans ; Korea ; Male ; Middle Aged ; Oocytes ; Politics ; *Research Embryo Creation/ethics/methods ; *Stem Cells ; Tissue Donors ; United States
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  • 197
    Publication Date: 2005-10-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser, Jocelyn -- New York, N.Y. -- Science. 2005 Oct 21;310(5747):422.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16239449" target="_blank"〉PubMed〈/a〉
    Keywords: Advisory Committees ; Animals ; Diethylhexyl Phthalate/metabolism/*toxicity ; Female ; Genitalia, Male/*drug effects ; Humans ; Male ; National Institutes of Health (U.S.)/organization & administration ; Phthalic Acids/*toxicity ; Pregnancy ; Prenatal Exposure Delayed Effects ; Sexual Development/*drug effects ; Toxicity Tests ; United States
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  • 198
    Publication Date: 2005-11-26
    Description: The Peutz-Jegher syndrome tumor-suppressor gene encodes a protein-threonine kinase, LKB1, which phosphorylates and activates AMPK [adenosine monophosphate (AMP)-activated protein kinase]. The deletion of LKB1 in the liver of adult mice resulted in a nearly complete loss of AMPK activity. Loss of LKB1 function resulted in hyperglycemia with increased gluconeogenic and lipogenic gene expression. In LKB1-deficient livers, TORC2, a transcriptional coactivator of CREB (cAMP response element-binding protein), was dephosphorylated and entered the nucleus, driving the expression of peroxisome proliferator-activated receptor-gamma coactivator 1alpha (PGC-1alpha), which in turn drives gluconeogenesis. Adenoviral small hairpin RNA (shRNA) for TORC2 reduced PGC-1alpha expression and normalized blood glucose levels in mice with deleted liver LKB1, indicating that TORC2 is a critical target of LKB1/AMPK signals in the regulation of gluconeogenesis. Finally, we show that metformin, one of the most widely prescribed type 2 diabetes therapeutics, requires LKB1 in the liver to lower blood glucose levels.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3074427/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3074427/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shaw, Reuben J -- Lamia, Katja A -- Vasquez, Debbie -- Koo, Seung-Hoi -- Bardeesy, Nabeel -- Depinho, Ronald A -- Montminy, Marc -- Cantley, Lewis C -- CA84313/CA/NCI NIH HHS/ -- GM056203/GM/NIGMS NIH HHS/ -- GM37828/GM/NIGMS NIH HHS/ -- R01 GM056203/GM/NIGMS NIH HHS/ -- R01 GM056203-09/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2005 Dec 9;310(5754):1642-6. Epub 2005 Nov 24.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Systems Biology, Harvard Medical School, Boston, MA 02115, USA. shaw@salk.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16308421" target="_blank"〉PubMed〈/a〉
    Keywords: AMP-Activated Protein Kinases ; Animals ; Blood Glucose/analysis ; Diabetes Mellitus, Type 2/drug therapy/metabolism ; Enzyme Activation ; Female ; Gene Expression Regulation ; Gluconeogenesis/genetics ; Glucose/*metabolism ; HeLa Cells ; Homeostasis ; Humans ; Hyperglycemia/drug therapy/metabolism ; Hypoglycemic Agents/*pharmacology/therapeutic use ; Lipogenesis/genetics ; Liver/enzymology/*metabolism ; Male ; Metformin/*pharmacology/therapeutic use ; Mice ; Mice, Obese ; Multienzyme Complexes/*metabolism ; Phosphorylation ; Protein-Serine-Threonine Kinases/genetics/*metabolism ; Signal Transduction ; Trans-Activators/genetics/metabolism ; Transcription Factors
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  • 199
    Publication Date: 2005-04-12
    Description: Gammadelta T cell receptors (TCRs), alphabeta TCRs, and antibodies are the three lineages of somatically recombined antigen receptors. The structural basis for ligand recognition is well defined for alphabeta TCR and antibodies but is lacking for gammadelta TCRs. We present the 3.4 A structure of the murine gammadelta TCR G8 bound to its major histocompatibility complex (MHC) class Ib ligand, T22. G8 predominantly uses germline-encoded residues of its delta chain complementarity-determining region 3 (CDR3) loop to bind T22 in an orientation substantially different from that seen in alphabeta TCR/peptide-MHC. That junctionally encoded G8 residues play an ancillary role in binding suggests a fusion of innate and adaptive recognition strategies.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Adams, Erin J -- Chien, Yueh-Hsiu -- Garcia, K Christopher -- AI048540/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2005 Apr 8;308(5719):227-31.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology and Immunology, Stanford University School of Medicine, Fairchild D319, 299 Campus Drive, Stanford, CA 94035-5124, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15821084" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Binding Sites ; Cell Line ; Cloning, Molecular ; Crystallography, X-Ray ; Dimerization ; Histocompatibility Antigens Class I/*chemistry ; Humans ; Insects ; Mice ; Protein Binding ; Protein Conformation ; Proteins/*chemistry/immunology ; Receptors, Antigen, T-Cell, gamma-delta/*chemistry/immunology ; Recombinant Proteins/chemistry ; T-Lymphocytes/immunology
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  • 200
    Publication Date: 2005-08-20
    Description: The extensive somatic diversification of immune receptors is a hallmark of higher vertebrates. However, whether molecular diversity contributes to immune protection in invertebrates is unknown. We present evidence that Drosophila immune-competent cells have the potential to express more than 18,000 isoforms of the immunoglobulin (Ig)-superfamily receptor Down syndrome cell adhesion molecule (Dscam). Secreted protein isoforms of Dscam were detected in the hemolymph, and hemocyte-specific loss of Dscam impaired the efficiency of phagocytic uptake of bacteria, possibly due to reduced bacterial binding. Importantly, the molecular diversity of Dscam transcripts generated through a mechanism of alternative splicing is highly conserved across major insect orders, suggesting an unsuspected molecular complexity of the innate immune system of insects.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Watson, Fiona L -- Puttmann-Holgado, Roland -- Thomas, Franziska -- Lamar, David L -- Hughes, Michael -- Kondo, Masahiro -- Rebel, Vivienne I -- Schmucker, Dietmar -- 1RO1-NS46747-01/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2005 Sep 16;309(5742):1874-8. Epub 2005 Aug 18.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cancer Biology, Dana Farber Cancer Institute, Department of Neurobiology, Harvard Medical School, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16109846" target="_blank"〉PubMed〈/a〉
    Keywords: *Alternative Splicing ; Amino Acid Sequence ; Animals ; Animals, Genetically Modified ; Brain/metabolism ; Cell Adhesion Molecules ; Cell Line ; Drosophila Proteins/chemistry/*genetics/*immunology/metabolism ; Drosophila melanogaster/*genetics/*immunology/metabolism ; Escherichia coli/immunology/metabolism ; Fat Body/metabolism ; Hemocytes/immunology/*metabolism ; Hemolymph/chemistry ; Immunity, Innate ; Immunoglobulins/chemistry ; Insects/chemistry/genetics ; Molecular Sequence Data ; Neurons/metabolism ; Oligonucleotide Array Sequence Analysis ; Phagocytosis ; Protein Isoforms/chemistry/genetics/metabolism ; Protein Structure, Tertiary ; RNA Interference ; Receptors, Immunologic/immunology/metabolism
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