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  • Male  (822)
  • American Association for the Advancement of Science (AAAS)  (822)
  • American Association of Petroleum Geologists (AAPG)
  • 2000-2004  (822)
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  • American Association for the Advancement of Science (AAAS)  (822)
  • American Association of Petroleum Geologists (AAPG)
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  • 1
    Publication Date: 2004-06-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Beckman, Mary -- New York, N.Y. -- Science. 2004 Jun 25;304(5679):1888-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15218114" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Newborn ; Bedding and Linens ; *Behavior, Animal ; Female ; Male ; *Maternal Deprivation ; Mice ; *Mothers ; Mutation ; *Object Attachment ; Odors ; Receptors, Opioid, mu/genetics/*physiology ; Vocalization, Animal
    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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  • 2
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-11-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, Jean -- New York, N.Y. -- Science. 2004 Nov 26;306(5701):1455-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15567822" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bone Marrow Cells/*cytology ; Bone Marrow Transplantation ; Cell Differentiation ; Cell Fusion ; Disease Progression ; Female ; Gastric Mucosa/chemistry/pathology ; Gastritis/microbiology/*pathology ; Helicobacter Infections/*pathology ; *Helicobacter felis ; Male ; Mice ; Mice, Inbred C57BL ; Stem Cells/*cytology ; Stomach Neoplasms/*pathology
    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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  • 3
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-06-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, Jon -- New York, N.Y. -- Science. 2004 Jun 25;304(5679):1934.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15218139" target="_blank"〉PubMed〈/a〉
    Keywords: Asia/epidemiology ; Computer Simulation ; Condoms ; *Disease Outbreaks ; Female ; HIV Infections/*epidemiology/prevention & control/transmission ; Homosexuality, Male ; Humans ; Male ; *Models, Statistical ; Prevalence ; Prostitution ; Risk Factors ; Sexual Behavior ; Substance Abuse, Intravenous
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-07-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, Jean -- New York, N.Y. -- Science. 2004 Jul 16;305(5682):328.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15256651" target="_blank"〉PubMed〈/a〉
    Keywords: Analgesics, Opioid/pharmacology ; Brain/metabolism ; Catechol O-Methyltransferase/chemistry/genetics/metabolism ; Emotions ; Female ; Genetic Predisposition to Disease ; Humans ; Male ; Opioid Peptides/metabolism ; Pain/genetics/*physiopathology/*psychology ; Receptor, Melanocortin, Type 1/genetics/physiology ; Temporomandibular Joint Disorders/physiopathology
    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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  • 5
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-03-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, Jon -- New York, N.Y. -- Science. 2004 Mar 26;303(5666):1956.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15044774" target="_blank"〉PubMed〈/a〉
    Keywords: AIDS Vaccines ; Female ; HIV Antibodies/*immunology ; HIV Envelope Protein gp120/chemistry/*immunology ; HIV Infections/*immunology/*transmission/virology ; HIV-1/*immunology ; Heterosexuality ; Humans ; Male ; Neutralization Tests ; Zambia
    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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  • 6
    Publication Date: 2004-01-24
    Description: Many birds perform visual signals during their learned songs, but little is known about the interrelationship between visual and vocal displays. We show here that male brown-headed cowbirds (Molothrus ater) synchronize the most elaborate wing movements of their display with atypically long silent periods in their song, potentially avoiding adverse biomechanical effects on sound production. Furthermore, expiratory effort for song is significantly reduced when cowbirds perform their wing display. These results show a close integration between vocal and visual displays and suggest that constraints and synergistic interactions between the motor patterns of multimodal signals influence the evolution of birdsong.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cooper, Brenton G -- Goller, Franz -- DC04390/DC/NIDCD NIH HHS/ -- DC05722/DC/NIDCD NIH HHS/ -- New York, N.Y. -- Science. 2004 Jan 23;303(5657):544-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, University of Utah, Salt Lake City, UT 84112, USA. cooper@biology.utah.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14739462" target="_blank"〉PubMed〈/a〉
    Keywords: Abdominal Muscles/physiology ; Air Sacs/physiology ; Animals ; Electromyography ; Male ; *Motor Activity ; Movement ; Posture ; Pressure ; Pulmonary Ventilation ; *Respiration ; Respiratory Muscles/physiology ; Songbirds/*physiology ; Video Recording ; *Vocalization, Animal ; Wings, Animal/*physiology
    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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  • 7
    Publication Date: 2004-10-16
    Description: When humans are offered the choice between rewards available at different points in time, the relative values of the options are discounted according to their expected delays until delivery. Using functional magnetic resonance imaging, we examined the neural correlates of time discounting while subjects made a series of choices between monetary reward options that varied by delay to delivery. We demonstrate that two separate systems are involved in such decisions. Parts of the limbic system associated with the midbrain dopamine system, including paralimbic cortex, are preferentially activated by decisions involving immediately available rewards. In contrast, regions of the lateral prefrontal cortex and posterior parietal cortex are engaged uniformly by intertemporal choices irrespective of delay. Furthermore, the relative engagement of the two systems is directly associated with subjects' choices, with greater relative fronto-parietal activity when subjects choose longer term options.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McClure, Samuel M -- Laibson, David I -- Loewenstein, George -- Cohen, Jonathan D -- AG05842/AG/NIA NIH HHS/ -- MH065214/MH/NIMH NIH HHS/ -- MH132804/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 2004 Oct 15;306(5695):503-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychology and Center for the Study of Brain, Mind, and Behavior, Princeton University, Princeton, NJ 08544, USA. smcclure@princeton.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15486304" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Basal Ganglia/physiology ; Brain Mapping ; *Decision Making ; Dopamine/physiology ; Female ; Frontal Lobe/physiology ; Humans ; Limbic System/*physiology ; Magnetic Resonance Imaging ; Male ; Parietal Lobe/*physiology ; Prefrontal Cortex/*physiology ; *Reward ; Time Factors
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  • 8
    Publication Date: 2004-12-04
    Description: Benzene is known to have toxic effects on the blood and bone marrow, but its impact at levels below the U.S. occupational standard of 1 part per million (ppm) remains uncertain. In a study of 250 workers exposed to benzene, white blood cell and platelet counts were significantly lower than in 140 controls, even for exposure below 1 ppm in air. Progenitor cell colony formation significantly declined with increasing benzene exposure and was more sensitive to the effects of benzene than was the number of mature blood cells. Two genetic variants in key metabolizing enzymes, myeloperoxidase and NAD(P)H:quinone oxidoreductase, influenced susceptibility to benzene hematotoxicity. Thus, hematotoxicity from exposure to benzene occurred at air levels of 1 ppm or less and may be particularly evident among genetically susceptible subpopulations.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1256034/" 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/PMC1256034/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lan, Qing -- Zhang, Luoping -- Li, Guilan -- Vermeulen, Roel -- Weinberg, Rona S -- Dosemeci, Mustafa -- Rappaport, Stephen M -- Shen, Min -- Alter, Blanche P -- Wu, Yongji -- Kopp, William -- Waidyanatha, Suramya -- Rabkin, Charles -- Guo, Weihong -- Chanock, Stephen -- Hayes, Richard B -- Linet, Martha -- Kim, Sungkyoon -- Yin, Songnian -- Rothman, Nathaniel -- Smith, Martyn T -- P30ES01896/ES/NIEHS NIH HHS/ -- P30ES10126/ES/NIEHS NIH HHS/ -- P42 ES004705/ES/NIEHS NIH HHS/ -- P42ES04705/ES/NIEHS NIH HHS/ -- P42ES05948/ES/NIEHS NIH HHS/ -- R01ES06721/ES/NIEHS NIH HHS/ -- New York, N.Y. -- Science. 2004 Dec 3;306(5702):1774-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Cancer Epidemiology and Genetics, National Cancer Institute (NCI), National Institutes of Health (NIH), Department of Health and Human Services (DHHS), Bethesda, MD 20892, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15576619" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Air Pollutants, Occupational/*toxicity ; Benzene/*toxicity ; Blood Platelets/*drug effects ; China ; Cross-Sectional Studies ; Cytochrome P-450 CYP2E1/genetics ; Female ; Genotype ; Hematopoiesis/drug effects ; Hematopoietic Stem Cells/*drug effects ; Hemoglobins/analysis ; Humans ; Inhalation Exposure/*adverse effects ; Leukocyte Count ; Leukocytes/*drug effects ; Lymphocyte Subsets/drug effects ; Male ; Matched-Pair Analysis ; Maximum Allowable Concentration ; NAD(P)H Dehydrogenase (Quinone)/genetics ; Occupational Exposure/*adverse effects ; Peroxidase/genetics ; Platelet Count ; Polymorphism, Single Nucleotide
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  • 9
    Publication Date: 2004-04-24
    Description: The mechanisms controlling axon guidance are of fundamental importance in understanding brain development. Growing corticospinal and somatosensory axons cross the midline in the medulla to reach their targets and thus form the basis of contralateral motor control and sensory input. The motor and sensory projections appeared uncrossed in patients with horizontal gaze palsy with progressive scoliosis (HGPPS). In patients affected with HGPPS, we identified mutations in the ROBO3 gene, which shares homology with roundabout genes important in axon guidance in developing Drosophila, zebrafish, and mouse. Like its murine homolog Rig1/Robo3, but unlike other Robo proteins, ROBO3 is required for hindbrain axon midline crossing.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1618874/" 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/PMC1618874/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jen, Joanna C -- Chan, Wai-Man -- Bosley, Thomas M -- Wan, Jijun -- Carr, Janai R -- Rub, Udo -- Shattuck, David -- Salamon, Georges -- Kudo, Lili C -- Ou, Jing -- Lin, Doris D M -- Salih, Mustafa A M -- Kansu, Tulay -- Al Dhalaan, Hesham -- Al Zayed, Zayed -- MacDonald, David B -- Stigsby, Bent -- Plaitakis, Andreas -- Dretakis, Emmanuel K -- Gottlob, Irene -- Pieh, Christina -- Traboulsi, Elias I -- Wang, Qing -- Wang, Lejin -- Andrews, Caroline -- Yamada, Koki -- Demer, Joseph L -- Karim, Shaheen -- Alger, Jeffry R -- Geschwind, Daniel H -- Deller, Thomas -- Sicotte, Nancy L -- Nelson, Stanley F -- Baloh, Robert W -- Engle, Elizabeth C -- DC00162/DC/NIDCD NIH HHS/ -- DC05524/DC/NIDCD NIH HHS/ -- EY12498/EY/NEI NIH HHS/ -- EY13583/EY/NEI NIH HHS/ -- EY15298/EY/NEI NIH HHS/ -- EY15311/EY/NEI NIH HHS/ -- MH60233/MH/NIMH NIH HHS/ -- P30 HD 18655/HD/NICHD NIH HHS/ -- R01 EY008313/EY/NEI NIH HHS/ -- R01 EY008313-14/EY/NEI NIH HHS/ -- R01 HL066251/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2004 Jun 4;304(5676):1509-13. Epub 2004 Apr 22.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurology, University of California, Los Angeles, CA 90095, USA. jjen@ucla.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15105459" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Alternative Splicing ; Amino Acid Motifs ; Amino Acid Sequence ; Axons/*physiology ; Evoked Potentials, Motor ; Evoked Potentials, Somatosensory ; Female ; Functional Laterality ; Genetic Linkage ; Humans ; In Situ Hybridization ; Magnetic Resonance Imaging ; Male ; Medulla Oblongata/growth & development/pathology ; Microsatellite Repeats ; Molecular Sequence Data ; Morphogenesis ; Mutation ; Neural Pathways ; Ophthalmoplegia/*genetics/pathology/physiopathology ; Pedigree ; Protein Structure, Tertiary ; Receptors, Immunologic/chemistry/*genetics/*metabolism ; Reverse Transcriptase Polymerase Chain Reaction ; Rhombencephalon/*growth & development/pathology ; Scoliosis/*genetics/pathology/physiopathology ; Sequence Analysis, DNA ; Syndrome
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  • 10
    Publication Date: 2004-06-26
    Description: A honey bee colony is characterized by high genetic diversity among its workers, generated by high levels of multiple mating by its queen. Few clear benefits of this genetic diversity are known. Here we show that brood nest temperatures in genetically diverse colonies (i.e., those sired by several males) tend to be more stable than in genetically uniform ones (i.e., those sired by one male). One reason this increased stability arises is because genetically determined diversity in workers' temperature response thresholds modulates the hive-ventilating behavior of individual workers, preventing excessive colony-level responses to temperature fluctuations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jones, Julia C -- Myerscough, Mary R -- Graham, Sonia -- Oldroyd, Benjamin P -- New York, N.Y. -- Science. 2004 Jul 16;305(5682):402-4. Epub 2004 Jun 24.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Biological Sciences, Macleay Building A12, University of Sydney, NSW 2006, Australia. jjones@bio.usyd.edu.au〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15218093" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bees/genetics/*physiology ; Behavior, Animal ; Biological Evolution ; Body Temperature Regulation ; Female ; *Genetic Variation ; Homeostasis ; Male ; Selection, Genetic ; Sexual Behavior, Animal ; Temperature
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  • 11
    Publication Date: 2004-02-07
    Description: Stromal cells can have a significant impact on the carcinogenic process in adjacent epithelia. The role of transforming growth factor-beta (TGF-beta) signaling in such epithelial-mesenchymal interactions was determined by conditional inactivation of the TGF-beta type II receptor gene in mouse fibroblasts (Tgfbr2fspKO). The loss of TGF-beta responsiveness in fibroblasts resulted in intraepithelial neoplasia in prostate and invasive squamous cell carcinoma of the forestomach, both associated with an increased abundance of stromal cells. Activation of paracrine hepatocyte growth factor (HGF) signaling was identified as one possible mechanism for stimulation of epithelial proliferation. Thus, TGF-beta signaling in fibroblasts modulates the growth and oncogenic potential of adjacent epithelia in selected tissues.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bhowmick, Neil A -- Chytil, Anna -- Plieth, David -- Gorska, Agnieszka E -- Dumont, Nancy -- Shappell, Scott -- Washington, M Kay -- Neilson, Eric G -- Moses, Harold L -- AR41943/AR/NIAMS NIH HHS/ -- CA102162/CA/NCI NIH HHS/ -- CA68485/CA/NCI NIH HHS/ -- CA85492/CA/NCI NIH HHS/ -- DK46282/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 2004 Feb 6;303(5659):848-51.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cancer Biology, Vanderbilt University School of Medicine, Nashville, TN 37232, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14764882" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Carcinoma, Squamous Cell/etiology/metabolism/pathology ; Cell Division ; *Cell Transformation, Neoplastic ; Cells, Cultured ; Epithelial Cells/*physiology ; Female ; Fibroblasts/*physiology ; Hepatocyte Growth Factor/metabolism ; Male ; Mice ; Mice, Inbred C57BL ; Mice, Knockout ; Mice, Transgenic ; Neoplasms, Glandular and Epithelial/*etiology/metabolism/pathology ; Prostate/cytology/metabolism/pathology ; Prostatic Intraepithelial Neoplasia/etiology/metabolism/pathology ; Protein-Serine-Threonine Kinases ; Proto-Oncogene Proteins c-met/metabolism ; Receptors, Transforming Growth Factor beta/genetics/metabolism ; Recombination, Genetic ; *Signal Transduction ; Stomach/cytology/metabolism/pathology ; Stomach Neoplasms/etiology/metabolism/pathology ; Stromal Cells/*physiology ; Transforming Growth Factor beta/*physiology
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  • 12
    Publication Date: 2004-10-30
    Description: The prefrontal cortex is a higher brain region that regulates thought, behavior, and emotion using representational knowledge, operations often referred to as working memory. We tested the influence of protein kinase C (PKC) intracellular signaling on prefrontal cortical cognitive function and showed that high levels of PKC activity in prefrontal cortex, as seen for example during stress exposure, markedly impair behavioral and electrophysiological measures of working memory. These data suggest that excessive PKC activation can disrupt prefrontal cortical regulation of behavior and thought, possibly contributing to signs of prefrontal cortical dysfunction such as distractibility, impaired judgment, impulsivity, and thought disorder.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Birnbaum, S G -- Yuan, P X -- Wang, M -- Vijayraghavan, S -- Bloom, A K -- Davis, D J -- Gobeske, K T -- Sweatt, J D -- Manji, H K -- Arnsten, A F T -- AG06036/AG/NIA NIH HHS/ -- P50 MH068789/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 2004 Oct 29;306(5697):882-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurobiology, Yale Medical School, 333 Cedar Street, New Haven, CT 06520-8001, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15514161" target="_blank"〉PubMed〈/a〉
    Keywords: Adrenergic alpha-Agonists/pharmacology ; Alkaloids ; Animals ; Benzophenanthridines ; Carbolines/pharmacology ; Electrophysiology ; Enzyme Activation ; Female ; Imidazoles/pharmacology ; Lithium Carbonate/pharmacology ; Macaca mulatta ; Male ; Memory/drug effects/*physiology ; Neurons/drug effects/physiology ; Phenanthridines/pharmacology ; Prefrontal Cortex/enzymology/*physiology ; Protein Kinase C/antagonists & inhibitors/*metabolism ; Rats ; Rats, Sprague-Dawley ; Receptors, Adrenergic, alpha-1/physiology ; Signal Transduction ; Stress, Physiological/physiopathology ; Tetradecanoylphorbol Acetate/pharmacology ; Valproic Acid/pharmacology
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  • 13
    Publication Date: 2004-07-17
    Description: For seasonally breeding vertebrates, reproductive cycling is often coupled with changes in vocalizations that function in courtship and territoriality. Less is known about changes in auditory sensitivity to those vocalizations. Here, we show that nonreproductive female midshipman fish treated with either testosterone or 17beta-estradiol exhibit an increase in the degree of temporal encoding of the frequency content of male vocalizations by the inner ear that mimics the reproductive female's auditory phenotype. This sensory plasticity provides an adaptable mechanism that enhances coupling between sender and receiver in vocal communication.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sisneros, Joseph A -- Forlano, Paul M -- Deitcher, David L -- Bass, Andrew H -- 1F32DC00445/DC/NIDCD NIH HHS/ -- 5T32MH15793/MH/NIMH NIH HHS/ -- DC00092/DC/NIDCD NIH HHS/ -- New York, N.Y. -- Science. 2004 Jul 16;305(5682):404-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurobiology and Behavior, Cornell University, Ithaca, NY 14853, USA. sisneros@u.washington.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15256672" target="_blank"〉PubMed〈/a〉
    Keywords: Acoustic Stimulation ; Adaptation, Physiological ; Animals ; Auditory Threshold ; Batrachoidiformes/*physiology ; Estradiol/blood/*pharmacology ; Estrogen Receptor alpha ; Female ; Hair Cells, Auditory/physiology ; Hearing/*physiology ; Male ; Neurons, Afferent/drug effects/*physiology ; Phenotype ; Random Allocation ; Receptors, Estrogen/genetics/metabolism ; Reproduction ; Saccule and Utricle/drug effects/*innervation/physiology ; Seasons ; Sexual Behavior, Animal ; Testosterone/blood/*pharmacology ; Vestibulocochlear Nerve/physiology ; *Vocalization, Animal
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  • 14
    Publication Date: 2004-02-07
    Description: Prefrontal neurons engaged by working memory tasks express a sequence of phasic and tonic activations linked to a train of sensory, mnemonic, and response-related events. Here, we report that the dopamine D2 receptor selectively modulates the neural activities associated with memory-guided saccades in oculomotor delayed-response tasks yet has little or no effect on the persistent mnemonic-related activity, which is instead modulated by D1 receptors. This associates the D2 receptor with a specific component of working memory circuitry and fractionates the modulatory effects of D1 and D2 receptors on the neural machinery of a cognitive process.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wang, Min -- Vijayraghavan, Susheel -- Goldman-Rakic, Patricia S -- P50 MH068789/MH/NIMH NIH HHS/ -- P50 MH44866/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 2004 Feb 6;303(5659):853-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurobiology, Yale University School of Medicine, New Haven, CT 06510, USA. min.wang@yale.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14764884" target="_blank"〉PubMed〈/a〉
    Keywords: 2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-benzazepine/pharmacology ; Animals ; Benzazepines/pharmacology ; Cues ; Dopamine Agonists/pharmacology ; Dopamine Antagonists/pharmacology ; Dopamine D2 Receptor Antagonists ; Dose-Response Relationship, Drug ; Electrophysiology ; Macaca mulatta ; Male ; Memory/*physiology ; Neurons/*physiology ; Prefrontal Cortex/*physiology ; Psychomotor Performance ; Quinpirole/pharmacology ; Raclopride/pharmacology ; Receptors, Dopamine D1/agonists/antagonists & inhibitors/metabolism ; Receptors, Dopamine D2/agonists/*metabolism ; Reward ; Saccades ; Salicylamides/pharmacology
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  • 15
    Publication Date: 2004-02-21
    Description: Our ability to have an experience of another's pain is characteristic of empathy. Using functional imaging, we assessed brain activity while volunteers experienced a painful stimulus and compared it to that elicited when they observed a signal indicating that their loved one--present in the same room--was receiving a similar pain stimulus. Bilateral anterior insula (AI), rostral anterior cingulate cortex (ACC), brainstem, and cerebellum were activated when subjects received pain and also by a signal that a loved one experienced pain. AI and ACC activation correlated with individual empathy scores. Activity in the posterior insula/secondary somatosensory cortex, the sensorimotor cortex (SI/MI), and the caudal ACC was specific to receiving pain. Thus, a neural response in AI and rostral ACC, activated in common for "self" and "other" conditions, suggests that the neural substrate for empathic experience does not involve the entire "pain matrix." We conclude that only that part of the pain network associated with its affective qualities, but not its sensory qualities, mediates empathy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Singer, Tania -- Seymour, Ben -- O'Doherty, John -- Kaube, Holger -- Dolan, Raymond J -- Frith, Chris D -- New York, N.Y. -- Science. 2004 Feb 20;303(5661):1157-62.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Wellcome Department of Imaging Neuroscience, Institute of Neurology, University College of London, 12 Queen Square, WC1N 3AR London, UK. t.singer@fil.ion.ucl.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14976305" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Brain/*physiology ; Brain Mapping ; Brain Stem/physiology ; Cerebellum/physiology ; Cerebral Cortex/physiology ; Cues ; Electroshock ; *Empathy ; Female ; Gyrus Cinguli/physiology ; Humans ; Magnetic Resonance Imaging ; Male ; Mediodorsal Thalamic Nucleus/physiology ; Motor Cortex/physiology ; *Pain ; Prefrontal Cortex/physiology ; Somatosensory Cortex/physiology
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  • 16
    Publication Date: 2004-03-20
    Description: Many genes involved in Drosophila melanogaster innate immune processes have been identified, but whether naturally occurring polymorphism in these genes leads to variation in immune competence among wild flies has not been tested. We report here substantial variability among wild-derived D. melanogaster in the ability to suppress infection by a Gram-negative entomopathogen, Serratia marcescens. Variability in immune competence was significantly associated with nucleotide polymorphism in 16 innate immunity genes, corresponding primarily to pathogen recognition and intracellular signaling loci, and substantial epistasis was detected between intracellular signaling and antimicrobial peptide genes. Variation in these genes, therefore, seems to drive variability in immunocompetence among wild Drosophila.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lazzaro, Brian P -- Sceurman, Bonnielin K -- Clark, Andrew G -- AI46402/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2004 Mar 19;303(5665):1873-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Entomology, 4138 Comstock Hall, Cornell University, Ithaca, NY 14853, USA. bl89@cornell.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15031506" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Animals ; Circadian Rhythm ; Colony Count, Microbial ; Drosophila Proteins/genetics/metabolism ; Drosophila melanogaster/*genetics/*immunology/microbiology ; Epistasis, Genetic ; Female ; *Genes, Insect ; Genetic Markers ; *Genetic Variation ; Immunity, Innate/genetics ; Immunocompetence/*genetics ; Male ; Phenotype ; Polymorphism, Genetic ; Serratia marcescens/growth & development/*immunology
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  • 17
    Publication Date: 2004-02-21
    Description: To achieve X-chromosome dosage compensation, organisms must distinguish X chromosomes from autosomes. We identified multiple, cis-acting regions that recruit the Caenorhabditis elegans dosage compensation complex (DCC) through a search for regions of X that bind the complex when detached from X. The DCC normally assembles along the entire X chromosome, but not all detached regions recruit the complex, despite having genes known to be dosage compensated on the native X. Thus, the DCC binds first to recruitment sites, then spreads to neighboring X regions to accomplish chromosome-wide gene repression. From a large chromosomal domain, we defined a 793-base pair fragment that functions in vivo as an X-recognition element to recruit the DCC.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Csankovszki, Gyorgyi -- McDonel, Patrick -- Meyer, Barbara J -- F32-GM065007/GM/NIGMS NIH HHS/ -- R37-GM30702/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2004 Feb 20;303(5661):1182-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute and Department of Molecular and Cell Biology, University of California, Berkeley, CA 94720-3204, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14976312" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Genetically Modified ; Base Sequence ; Binding Sites ; Caenorhabditis elegans/*genetics/metabolism ; Caenorhabditis elegans Proteins/*metabolism ; Carrier Proteins/metabolism ; Chromosomes/metabolism ; Cosmids ; DNA-Binding Proteins/metabolism ; Disorders of Sex Development ; *Dosage Compensation, Genetic ; Female ; In Situ Hybridization, Fluorescence ; Male ; Models, Genetic ; Molecular Sequence Data ; Nuclear Proteins/metabolism ; Repetitive Sequences, Nucleic Acid ; X Chromosome/*metabolism
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  • 18
    Publication Date: 2004-06-26
    Description: Endogenous opioid binding to micro receptors is hypothesized to mediate natural rewards and has been proposed to be the basis of infant attachment behavior. Here, we report that micro-opioid receptor knockout mouse pups emit fewer ultrasonic vocalizations when removed from their mothers but not when exposed to cold or male mice odors. Moreover these knockout pups do not show a preference toward their mothers' cues and do not show ultrasonic calls potentiation after brief maternal exposure. Results from this study may indicate a molecular mechanism for diseases characterized by deficits in attachment behavior, such as autism or reactive attachment disorder.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Moles, Anna -- Kieffer, Brigitte L -- D'Amato, Francesca R -- New York, N.Y. -- Science. 2004 Jun 25;304(5679):1983-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Consiglio Nazionale delle Ricerche Institute of Neuroscience, Psychobiology and Psychopharmacology, Viale Marx 43, 00137 Roma, Italy.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15218152" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Newborn ; Bedding and Linens ; *Behavior, Animal ; Cold Temperature ; Cues ; Female ; Genotype ; Male ; Maternal Behavior ; *Maternal Deprivation ; Mice ; Mice, Knockout ; *Mothers ; Mutation ; *Object Attachment ; Odors ; Receptors, Opioid, mu/genetics/*physiology ; Reward ; Vocalization, Animal
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  • 19
    Publication Date: 2004-05-15
    Description: Although the ability of engrafted stem cells to regenerate tissue has received much attention, the molecular mechanisms controlling regeneration are poorly understood. In the Drosophila male germline, local activation of the Janus kinase-signal transducer and activator of transcription (Jak-STAT) pathway maintains stem cells; germline stem cells lacking Jak-STAT signaling differentiate into spermatogonia without self-renewal. By conditionally manipulating Jak-STAT signaling, we find that spermatogonia that have initiated differentiation and are undergoing limited mitotic (transit-amplifying) divisions can repopulate the niche and revert to stem cell identity. Thus, in the appropriate microenvironment, transit-amplifying cells dedifferentiate, becoming functional stem cells during tissue regeneration.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brawley, Crista -- Matunis, Erika -- R01HD40307/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 2004 May 28;304(5675):1331-4. Epub 2004 May 13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Biology, 725 North Wolfe Street, 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/15143218" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Differentiation ; Cell Division ; DNA-Binding Proteins/metabolism ; Drosophila/*physiology ; *Drosophila Proteins ; Germ Cells/cytology/*physiology ; Male ; Mitosis ; Protein-Tyrosine Kinases/metabolism ; *Regeneration ; STAT Transcription Factors ; Signal Transduction ; Spermatocytes/physiology ; Spermatogonia/*cytology/*physiology ; Stem Cells/cytology/*physiology ; Testis/cytology ; Trans-Activators/metabolism
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  • 20
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-12-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Davis, Mark A -- New York, N.Y. -- Science. 2004 Dec 10;306(5703):1891.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15591186" target="_blank"〉PubMed〈/a〉
    Keywords: *Awards and Prizes ; Female ; Humans ; Male ; Men ; *National Institutes of Health (U.S.) ; *Prejudice ; United States ; *Women
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  • 21
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-12-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stein, Zena -- Susser, Mervyn -- New York, N.Y. -- Science. 2004 Dec 10;306(5703):1890; author reply 1890.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15597431" target="_blank"〉PubMed〈/a〉
    Keywords: Anti-HIV Agents/*administration & dosage/pharmacology/therapeutic use ; *Condoms ; Double-Blind Method ; Female ; HIV Infections/*prevention & control/*transmission ; Humans ; Male ; National Institutes of Health (U.S.) ; Patient Selection ; Placebos ; Randomized Controlled Trials as Topic/*ethics ; United States
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  • 22
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-12-25
    Description: Diving mosasaurs, plesiosaurs, and humans develop dysbaric osteonecrosis from end-artery nitrogen embolism ("the bends") in certain bones. Sixteen sperm whales from calves to large adults showed a size-related development of osteonecrosis in chevron and rib bone articulations, deltoid crests, and nasal bones. Occurrence in animals from the Pacific and Atlantic oceans over 111 years made a pathophysiological diagnosis of dysbarism most likely. Decompression avoidance therefore may constrain diving behavior. This suggests why some deep-diving mammals show periodic shallow-depth activity and why gas emboli are found in animals driven to surface precipitously by acoustic stressors such as mid-frequency sonar systems.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Moore, Michael J -- Early, Greg A -- New York, N.Y. -- Science. 2004 Dec 24;306(5705):2215.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Woods Hole Oceanographic Institution, Woods Hole, MA 02543, USA. mmoore@whoi.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15618509" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Atlantic Ocean ; Body Size ; Bone Density ; Bone Remodeling ; Bone and Bones/*pathology ; Decompression Sickness/complications/pathology/*veterinary ; *Diving ; Female ; Male ; Osteonecrosis/etiology/pathology/*veterinary ; Pacific Ocean ; *Whales/anatomy & histology/physiology
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  • 23
    Publication Date: 2004-07-24
    Description: The hippocampus has differentiated into an extensively connected recurrent stage (CA3) followed by a feed-forward stage (CA1). We examined the function of this structural differentiation by determining how cell ensembles in rat CA3 and CA1 generate representations of rooms with common spatial elements. In CA3, distinct subsets of pyramidal cells were activated in each room, regardless of the similarity of the testing enclosure. In CA1, the activated populations overlapped, and the overlap increased in similar enclosures. After exposure to a novel room, ensemble activity developed slower in CA3 than CA1, suggesting that the representations emerged independently.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Leutgeb, Stefan -- Leutgeb, Jill K -- Treves, Alessandro -- Moser, May-Britt -- Moser, Edvard I -- New York, N.Y. -- Science. 2004 Aug 27;305(5688):1295-8. Epub 2004 Jul 22.〈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/15272123" target="_blank"〉PubMed〈/a〉
    Keywords: Action Potentials ; Animals ; Brain Mapping ; Cues ; Electrodes, Implanted ; Entorhinal Cortex/physiology ; Hippocampus/cytology/*physiology ; Male ; *Memory ; Nerve Net/*physiology ; Neurons/*physiology ; Pyramidal Cells/*physiology ; Rats ; Rats, Long-Evans ; *Space Perception
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  • 24
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-04-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Morell, Virginia -- New York, N.Y. -- Science. 2004 Apr 16;304(5669):372.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15087514" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Color ; Decision Making ; Female ; Male ; Pigmentation ; *Sexual Behavior, Animal ; *Songbirds/anatomy & histology ; Vocalization, Animal
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  • 25
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-09-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dennis, Phillip A -- New York, N.Y. -- Science. 2004 Sep 3;305(5689):1401-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15353780" target="_blank"〉PubMed〈/a〉
    Keywords: Biomedical Research/*economics ; Breast Neoplasms/mortality ; Female ; Humans ; *Lung Neoplasms/mortality ; Male ; Prostatic Neoplasms/mortality ; *Research Support as Topic ; Tobacco
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  • 26
    Publication Date: 2004-03-27
    Description: Heterosexual transmission accounts for the majority of human immunodeficiency virus-1 (HIV-1) infections worldwide, yet the viral properties that determine transmission fitness or outgrowth have not been elucidated. Here we show, for eight heterosexual transmission pairs, that recipient viruses were monophyletic, encoding compact, glycan-restricted envelope glycoproteins. These viruses were also uniquely sensitive to neutralization by antibody from the transmitting partner. Thus, the exposure of neutralizing epitopes, which are lost in chronic infection because of immune escape, appears to be favored in the newly infected host. This reveals characteristics of the envelope glycoprotein that influence HIV-1 transmission and may have implications for vaccine design.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Derdeyn, Cynthia A -- Decker, Julie M -- Bibollet-Ruche, Frederic -- Mokili, John L -- Muldoon, Mark -- Denham, Scott A -- Heil, Marintha L -- Kasolo, Francis -- Musonda, Rosemary -- Hahn, Beatrice H -- Shaw, George M -- Korber, Bette T -- Allen, Susan -- Hunter, Eric -- AI-40951/AI/NIAID NIH HHS/ -- AI-51231/AI/NIAID NIH HHS/ -- N01-85338/PHS HHS/ -- U01-AI-41530/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2004 Mar 26;303(5666):2019-22.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology, University of Alabama at Birmingham, Birmingham, AL 35294 USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15044802" target="_blank"〉PubMed〈/a〉
    Keywords: AIDS Vaccines ; Amino Acid Sequence ; Cohort Studies ; Epitopes/immunology ; Female ; Genes, env ; Glycosylation ; HIV Antibodies/*immunology ; HIV Envelope Protein gp120/chemistry/genetics/*immunology ; HIV Infections/*immunology/*transmission/virology ; HIV-1/genetics/*immunology/physiology ; Heterosexuality ; Humans ; Likelihood Functions ; Male ; Molecular Sequence Data ; Neutralization Tests ; Prospective Studies ; Viral Load ; Zambia
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  • 27
    Publication Date: 2004-06-12
    Description: During speech acquisition, children form quick and rough hypotheses about the meaning of a new word after only a single exposure-a process dubbed "fast mapping." Here we provide evidence that a border collie, Rico, is able to fast map. Rico knew the labels of over 200 different items. He inferred the names of novel items by exclusion learning and correctly retrieved those items right away as well as 4 weeks after the initial exposure. Fast mapping thus appears to be mediated by general learning and memory mechanisms also found in other animals and not by a language acquisition device that is special to humans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaminski, Juliane -- Call, Josep -- Fischer, Julia -- New York, N.Y. -- Science. 2004 Jun 11;304(5677):1682-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Developmental and Comparative Psychology, Max-Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, 04103 Leipzig, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15192233" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Dogs ; *Learning ; Male ; *Memory ; Random Allocation ; *Vocabulary
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  • 28
    Publication Date: 2004-07-13
    Description: Numerous degenerative disorders are associated with elevated levels of prooxidants and declines in mitochondrial aconitase activity. Deficiency in the mitochondrial iron-binding protein frataxin results in diminished activity of various mitochondrial iron-sulfur proteins including aconitase. We found that aconitase can undergo reversible citrate-dependent modulation in activity in response to pro-oxidants. Frataxin interacted with aconitase in a citrate-dependent fashion, reduced the level of oxidant-induced inactivation, and converted inactive [3Fe-4S]1+ enzyme to the active [4Fe-4S]2+ form of the protein. Thus, frataxin is an iron chaperone protein that protects the aconitase [4Fe-4S]2+ cluster from disassembly and promotes enzyme reactivation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bulteau, Anne-Laure -- O'Neill, Heather A -- Kennedy, Mary Claire -- Ikeda-Saito, Masao -- Isaya, Grazia -- Szweda, Luke I -- AG-15709/AG/NIA NIH HHS/ -- AG-16339/AG/NIA NIH HHS/ -- NRSA 44748/NR/NINR NIH HHS/ -- New York, N.Y. -- Science. 2004 Jul 9;305(5681):242-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physiology and Biophysics, Case Western Reserve University, Cleveland, OH, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15247478" target="_blank"〉PubMed〈/a〉
    Keywords: Aconitate Hydratase/antagonists & inhibitors/*metabolism ; Animals ; Citric Acid/metabolism/pharmacology ; Dithiothreitol/metabolism ; Electron Spin Resonance Spectroscopy ; Enzyme Activation ; Ferrous Compounds/metabolism ; Hydrogen Peroxide/pharmacology ; Iron/*metabolism ; Iron-Binding Proteins/*metabolism ; Male ; Mitochondria/*metabolism ; Mitochondria, Heart/*metabolism ; Molecular Chaperones/*metabolism ; Oxidation-Reduction ; Oxidative Stress ; Oxygen Consumption ; Rats ; Rats, Sprague-Dawley ; Saccharomyces cerevisiae/*metabolism ; Saccharomyces cerevisiae Proteins/metabolism
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  • 29
    Publication Date: 2004-03-20
    Description: A key question in evolutionary genetics is whether shared genetic mechanisms underlie the independent evolution of similar phenotypes across phylogenetically divergent lineages. Here we show that in two classic examples of melanic plumage polymorphisms in birds, lesser snow geese (Anser c. caerulescens) and arctic skuas (Stercorarius parasiticus), melanism is perfectly associated with variation in the melanocortin-1 receptor (MC1R) gene. In both species, the degree of melanism correlates with the number of copies of variant MC1R alleles. Phylogenetic reconstructions of variant MC1R alleles in geese and skuas show that melanism is a derived trait that evolved in the Pleistocene.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mundy, Nicholas I -- Badcock, Nichola S -- Hart, Tom -- Scribner, Kim -- Janssen, Kirstin -- Nadeau, Nicola J -- New York, N.Y. -- Science. 2004 Mar 19;303(5665):1870-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Zoology, University of Cambridge, Cambridge CB2 3EJ, UK. nim21@cam.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15031505" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arctic Regions ; Biological Evolution ; Birds/anatomy & histology/*genetics/physiology ; Color ; *Feathers ; Female ; Geese/anatomy & histology/genetics/physiology ; Gene Frequency ; Haplotypes ; Male ; Melanins/*analysis ; Melanocytes/metabolism ; Phenotype ; Phylogeny ; Pigmentation/*genetics ; *Quantitative Trait, Heritable ; Receptor, Melanocortin, Type 1/chemistry/*genetics ; *Sexual Behavior, Animal
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  • 30
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-07-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Guy-Grand, Delphine -- Vassalli, Pierre -- New York, N.Y. -- Science. 2004 Jul 9;305(5681):185-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Unite de Recherche et d'Expertise Antivirale, INSERM U277, Institut Pasteur, 75724 Paris Cedex 15, France. guygrand@pasteur.fr〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15247461" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; CD4-Positive T-Lymphocytes/immunology ; CD8-Positive T-Lymphocytes/immunology ; Cell Lineage ; DNA-Binding Proteins/metabolism ; Female ; Hematopoietic Stem Cells/immunology/physiology ; Immunity, Innate ; Immunity, Mucosal ; Interleukins/biosynthesis ; Intestinal Mucosa/cytology/*immunology ; Killer Cells, Natural/immunology ; Ligands ; Lymphoid Tissue/embryology/immunology ; Lymphotoxin-alpha/analysis ; Male ; Mice ; Mice, Nude ; Mice, Transgenic ; Models, Immunological ; Mutation ; Nuclear Receptor Subfamily 1, Group F, Member 3 ; Receptors, Antigen, T-Cell, alpha-beta/analysis/genetics ; Receptors, Antigen, T-Cell, gamma-delta/analysis ; Receptors, Retinoic Acid/genetics/metabolism ; Receptors, Thyroid Hormone/genetics/metabolism ; T-Lymphocyte Subsets/immunology ; T-Lymphocytes/*immunology ; Thymus Gland/cytology/*immunology
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  • 31
    Publication Date: 2004-10-23
    Description: Hypertension and dyslipidemia are risk factors for atherosclerosis and occur together more often than expected by chance. Although this clustering suggests shared causation, unifying factors remain unknown. We describe a large kindred with a syndrome including hypertension, hypercholesterolemia, and hypomagnesemia. Each phenotype is transmitted on the maternal lineage with a pattern indicating mitochondrial inheritance. Analysis of the mitochondrial genome of the maternal lineage identified a homoplasmic mutation substituting cytidine for uridine immediately 5' to the mitochondrial transfer RNA(Ile) anticodon. Uridine at this position is nearly invariate among transfer RNAs because of its role in stabilizing the anticodon loop. Given the known loss of mitochondrial function with aging, these findings may have implications for the common clustering of these metabolic disorders.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3033655/" 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/PMC3033655/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wilson, Frederick H -- Hariri, Ali -- Farhi, Anita -- Zhao, Hongyu -- Petersen, Kitt Falk -- Toka, Hakan R -- Nelson-Williams, Carol -- Raja, Khalid M -- Kashgarian, Michael -- Shulman, Gerald I -- Scheinman, Steven J -- Lifton, Richard P -- MO1 RR-00125/RR/NCRR NIH HHS/ -- P50 HL-55007/HL/NHLBI NIH HHS/ -- R01 AG023686/AG/NIA NIH HHS/ -- R01 AG023686-01A1/AG/NIA NIH HHS/ -- R01 AG023686-02/AG/NIA NIH HHS/ -- R01 AG023686-03/AG/NIA NIH HHS/ -- R01 AG023686-04/AG/NIA NIH HHS/ -- R01 DK-49230/DK/NIDDK NIH HHS/ -- R01 DK049230/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 2004 Nov 12;306(5699):1190-4. Epub 2004 Oct 21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Yale University School of Medicine, New Haven, CT 06510, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15498972" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aging ; Anticodon ; Body Mass Index ; Cluster Analysis ; Cytidine ; *Extrachromosomal Inheritance ; Female ; Humans ; Hypercholesterolemia/*genetics/physiopathology ; Hypertension/*genetics/physiopathology ; Magnesium/*blood/urine ; Male ; Metabolic Syndrome X/genetics ; Middle Aged ; Mitochondria/*genetics/metabolism ; Mitochondria, Muscle/metabolism/pathology ; Muscle Fibers, Skeletal/pathology ; *Mutation ; Pedigree ; Phenotype ; RNA/genetics ; RNA, Transfer, Ile/*genetics ; Syndrome ; Thymidine ; Uridine
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  • 32
    Publication Date: 2004-05-08
    Description: Prostaglandin E2 (PGE2) is a crucial mediator of inflammatory pain sensitization. Here, we demonstrate that inhibition of a specific glycine receptor subtype (GlyR alpha3) by PGE2-induced receptor phosphorylation underlies central inflammatory pain sensitization. We show that GlyR alpha3 is distinctly expressed in superficial layers of the spinal cord dorsal horn. Mice deficient in GlyR alpha3 not only lack the inhibition of glycinergic neurotransmission by PGE2 seen in wild-type mice but also show a reduction in pain sensitization induced by spinal PGE2 injection or peripheral inflammation. Thus, GlyR alpha3 may provide a previously unrecognized molecular target in pain therapy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Harvey, Robert J -- Depner, Ulrike B -- Wassle, Heinz -- Ahmadi, Seifollah -- Heindl, Cornelia -- Reinold, Heiko -- Smart, Trevor G -- Harvey, Kirsten -- Schutz, Burkhard -- Abo-Salem, Osama M -- Zimmer, Andreas -- Poisbeau, Pierrick -- Welzl, Hans -- Wolfer, David P -- Betz, Heinrich -- Zeilhofer, Hanns Ulrich -- Muller, Ulrike -- New York, N.Y. -- Science. 2004 May 7;304(5672):884-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology, The School of Pharmacy, London WC1N 1AX, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15131310" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cell Line ; Cyclic AMP-Dependent Protein Kinases/metabolism ; Dinoprostone/administration & dosage/*metabolism/pharmacology ; Female ; Freund's Adjuvant ; Glycine/metabolism ; Humans ; Inflammation/metabolism/*physiopathology ; Male ; Mice ; Mice, Knockout ; Molecular Sequence Data ; Neurons/metabolism ; Pain/*physiopathology ; Patch-Clamp Techniques ; Phosphorylation ; Posterior Horn Cells/*metabolism ; Receptors, Glycine/chemistry/genetics/*metabolism ; Signal Transduction ; Spinal Cord/*metabolism ; Synaptic Transmission ; Transfection ; Zymosan
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  • 33
    Publication Date: 2004-03-16
    Description: To what extent do all brains work alike during natural conditions? We explored this question by letting five subjects freely view half an hour of a popular movie while undergoing functional brain imaging. Applying an unbiased analysis in which spatiotemporal activity patterns in one brain were used to "model" activity in another brain, we found a striking level of voxel-by-voxel synchronization between individuals, not only in primary and secondary visual and auditory areas but also in association cortices. The results reveal a surprising tendency of individual brains to "tick collectively" during natural vision. The intersubject synchronization consisted of a widespread cortical activation pattern correlated with emotionally arousing scenes and regionally selective components. The characteristics of these activations were revealed with the use of an open-ended "reverse-correlation" approach, which inverts the conventional analysis by letting the brain signals themselves "pick up" the optimal stimuli for each specialized cortical area.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hasson, Uri -- Nir, Yuval -- Levy, Ifat -- Fuhrmann, Galit -- Malach, Rafael -- New York, N.Y. -- Science. 2004 Mar 12;303(5664):1634-40.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurobiology, Weizmann Institute of Science, Rehovot 76100, Israel.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15016991" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; *Attention ; Auditory Cortex/physiology ; Brain Mapping ; Cerebral Cortex/*physiology ; Emotions ; Face ; Female ; Humans ; Magnetic Resonance Imaging ; Male ; Middle Aged ; *Motion Pictures as Topic ; Occipital Lobe/physiology ; Photic Stimulation ; Temporal Lobe/physiology ; Vision, Ocular ; Visual Cortex/*physiology ; *Visual Perception
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  • 34
    Publication Date: 2004-02-14
    Description: Conflict monitoring by the anterior cingulate cortex (ACC) has been posited to signal a need for greater cognitive control, producing neural and behavioral adjustments. However, the very occurrence of behavioral adjustments after conflict has been questioned, along with suggestions that there is no direct evidence of ACC conflict-related activity predicting subsequent neural or behavioral adjustments in control. Using the Stroop color-naming task and controlling for repetition effects, we demonstrate that ACC conflict-related activity predicts both greater prefrontal cortex activity and adjustments in behavior, supporting a role of ACC conflict monitoring in the engagement of cognitive control.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kerns, John G -- Cohen, Jonathan D -- MacDonald, Angus W 3rd -- Cho, Raymond Y -- Stenger, V Andrew -- Carter, Cameron S -- New York, N.Y. -- Science. 2004 Feb 13;303(5660):1023-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychological Sciences, University of Missouri-Columbia, Columbia, MO 65211, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14963333" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Brain Mapping ; *Cognition ; *Conflict (Psychology) ; Cues ; Female ; Frontal Lobe/*physiology ; Gyrus Cinguli/*physiology ; Humans ; Magnetic Resonance Imaging ; Male ; Neuropsychological Tests ; Prefrontal Cortex/*physiology ; Reaction Time
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  • 35
    Publication Date: 2004-02-21
    Description: Adult stem cells offer the potential to treat many diseases through a combination of ex vivo genetic manipulation and autologous transplantation. Mesenchymal stem cells (MSCs, also referred to as marrow stromal cells) are adult stem cells that can be isolated as proliferating, adherent cells from bones. MSCs can differentiate into multiple cell types present in several tissues, including bone, fat, cartilage, and muscle, making them ideal candidates for a variety of cell-based therapies. Here, we have used adeno-associated virus vectors to disrupt dominant-negative mutant COL1A1 collagen genes in MSCs from individuals with the brittle bone disorder osteogenesis imperfecta, demonstrating successful gene targeting in adult human stem cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chamberlain, Joel R -- Schwarze, Ulrike -- Wang, Pei-Rong -- Hirata, Roli K -- Hankenson, Kurt D -- Pace, James M -- Underwood, Robert A -- Song, Kit M -- Sussman, Michael -- Byers, Peter H -- Russell, David W -- New York, N.Y. -- Science. 2004 Feb 20;303(5661):1198-201.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, University of Washington, Seattle, WA 98195-7720, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14976317" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Animals ; Bone Marrow Cells/physiology ; Cell Differentiation ; Cells, Cultured ; Collagen Type I/chemistry/*genetics/metabolism ; Dependovirus/genetics ; *Gene Targeting ; Genetic Therapy ; Genetic Vectors ; Humans ; Kanamycin Kinase/genetics ; Male ; Mesenchymal Stromal Cells/*physiology ; Mice ; Osteogenesis ; Osteogenesis Imperfecta/*genetics/*therapy ; Point Mutation ; Recombination, Genetic ; Stem Cell Transplantation
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  • 36
    Publication Date: 2004-04-10
    Description: In several areas of the macaque brain, neurons fire during delayed-response tasks at a rate determined by the value of the reward expected at the end of the trial. The activity of these neurons might be related to the value of the expected reward or to the degree of motivation induced by expectation of the reward. We describe results indicating that the nature of reward-dependent activity varies across areas. Neuronal activity in orbitofrontal cortex represents the value of the expected reward, whereas neuronal activity in premotor cortex reflects the degree of motivation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roesch, Matthew R -- Olson, Carl R -- EY08098/EY/NEI NIH HHS/ -- EY11831/EY/NEI NIH HHS/ -- MH45156/MH/NIMH NIH HHS/ -- P41RR03631/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 2004 Apr 9;304(5668):307-10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for the Neural Basis of Cognition, Mellon Institute, Room 115, 4400 Fifth Avenue, Pittsburgh, PA 15213, USA. roesch@cnbc.cmu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15073380" target="_blank"〉PubMed〈/a〉
    Keywords: Action Potentials ; Animals ; Cues ; Electrodes ; Frontal Lobe/*physiology ; Macaca mulatta ; Magnetic Resonance Imaging ; Male ; *Motivation ; Motor Cortex/physiology ; Neurons/*physiology ; Psychomotor Performance ; *Reward ; Saccades
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  • 37
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-06-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2004 Jun 25;304(5679):1889-91.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15218116" target="_blank"〉PubMed〈/a〉
    Keywords: *Archaeology ; Dental Enamel/chemistry ; England ; Humans ; Male ; Oxygen Isotopes/analysis ; *Paleodontology ; Strontium/analysis ; Wales
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  • 38
    Publication Date: 2004-09-09
    Description: Progress in gerontological research has been promoted through the use of numerous animal models, which have helped identify possible mechanisms of aging and age-related chronic diseases and evaluate possible interventions with potential relevance to human aging and disease. Further development of nonhuman primate models, particularly rhesus monkeys, could accelerate this progress, because their closer genetic relationship to humans produces a highly similar aging phenotype. Because the relatively long lives of primates increase the administrative and economic demands on research involving them, new emphasis has emerged on increasing the efficient use of these valuable resources through cooperative, interdisciplinary research.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roth, George S -- Mattison, Julie A -- Ottinger, Mary Ann -- Chachich, Mark E -- Lane, Mark A -- Ingram, Donald K -- New York, N.Y. -- Science. 2004 Sep 3;305(5689):1423-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Experimental Gerontology, Intramural Research Program, Gerontology Research Center, National Institute on Aging, National Institutes of Health, 5600 Nathan Shock Drive, Baltimore, MD 21224, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15353793" target="_blank"〉PubMed〈/a〉
    Keywords: *Aging ; Animals ; Biomarkers ; Caloric Restriction ; Chronic Disease ; Cross-Sectional Studies ; Disease Models, Animal ; Female ; Heart Diseases/physiopathology/therapy ; Humans ; Longitudinal Studies ; Macaca mulatta/*physiology ; Male ; *Models, Animal ; Neoplasms/physiopathology/therapy
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  • 39
    Publication Date: 2004-07-03
    Description: When we look at our hands, we immediately know that they are part of our own body. This feeling of ownership of our limbs is a fundamental aspect of self-consciousness. We have studied the neuronal counterparts of this experience. A perceptual illusion was used to manipulate feelings of ownership of a rubber hand presented in front of healthy subjects while brain activity was measured by functional magnetic resonance imaging. The neural activity in the premotor cortex reflected the feeling of ownership of the hand. This suggests that multisensory integration in the premotor cortex provides a mechanism for bodily self-attribution.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ehrsson, H Henrik -- Spence, Charles -- Passingham, Richard E -- New York, N.Y. -- Science. 2004 Aug 6;305(5685):875-7. Epub 2004 Jul 1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Wellcome Department of Imaging Neuroscience, Institute of Neurology, 12 Queen Square, London WC1N 3BG, UK. h.ehrsson@fil.ion.ucl.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15232072" target="_blank"〉PubMed〈/a〉
    Keywords: *Body Image ; Brain/physiology ; Brain Mapping ; Cerebellum/physiology ; Female ; Hand ; Humans ; Magnetic Resonance Imaging ; Male ; Motor Cortex/*physiology ; Neurons/*physiology ; Parietal Lobe/physiology ; Proprioception ; Time Factors ; Touch ; Vision, Ocular
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  • 40
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-12-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rubin, Vera -- New York, N.Y. -- Science. 2004 Dec 10;306(5703):1891.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15591185" target="_blank"〉PubMed〈/a〉
    Keywords: *Awards and Prizes ; Female ; Humans ; Male ; Men ; *Prejudice ; *Science ; *Women
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  • 41
    Publication Date: 2004-01-24
    Description: Mammalian sex chromosomes have undergone profound changes since evolving from ancestral autosomes. By examining retroposed genes in the human and mouse genomes, we demonstrate that, during evolution, the mammalian X chromosome has generated and recruited a disproportionately high number of functional retroposed genes, whereas the autosomes experienced lower gene turnover. Most autosomal copies originating from X-linked genes exhibited testis-biased expression. Such export is incompatible with mutational bias and is likely driven by natural selection to attain male germline function. However, the excess recruitment is consistent with a combination of both natural selection and mutational bias.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Emerson, J J -- Kaessmann, Henrik -- Betran, Esther -- Long, Manyuan -- GM-065429-01A1/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2004 Jan 23;303(5657):537-40.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology and Evolution, University of Chicago, Chicago, IL 60637, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14739461" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Chromosomes, Human/genetics ; Chromosomes, Human, X/*genetics ; Chromosomes, Mammalian/genetics ; Computational Biology ; Dosage Compensation, Genetic ; Female ; Gene Expression Profiling ; Genes, Duplicate ; Genetic Linkage ; Genome ; Genome, Human ; Humans ; Introns ; Male ; Mice ; Monte Carlo Method ; Mutation ; Oligonucleotide Array Sequence Analysis ; Ovary/metabolism ; Pseudogenes/*genetics ; *Recombination, Genetic ; Retroelements/*genetics ; Selection, Genetic ; Sex Characteristics ; Testis/metabolism ; X Chromosome/*genetics
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  • 42
    Publication Date: 2004-05-01
    Description: Uganda provides the clearest example that human immunodeficiency virus (HIV) is preventable if populations are mobilized to avoid risk. Despite limited resources, Uganda has shown a 70% decline in HIV prevalence since the early 1990s, linked to a 60% reduction in casual sex. The response in Uganda appears to be distinctively associated with communication about acquired immunodeficiency syndrome (AIDS) through social networks. Despite substantial condom use and promotion of biomedical approaches, other African countries have shown neither similar behavioral responses nor HIV prevalence declines of the same scale. The Ugandan success is equivalent to a vaccine of 80% effectiveness. Its replication will require changes in global HIV/AIDS intervention policies and their evaluation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stoneburner, Rand L -- Low-Beer, Daniel -- New York, N.Y. -- Science. 2004 Apr 30;304(5671):714-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Population Health Evaluation Unit, Cambridge University, Cambridge, UK. randstoneburner@netzero.net〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15118157" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Age Distribution ; Condoms ; Disease Outbreaks ; Female ; HIV Infections/*epidemiology/*prevention & control ; Health Education ; Health Knowledge, Attitudes, Practice ; Humans ; Incidence ; Information Dissemination ; Male ; Middle Aged ; Pregnancy ; Pregnancy Complications, Infectious/*epidemiology/*prevention & control ; Prevalence ; *Risk Reduction Behavior ; Sexual Abstinence ; *Sexual Behavior ; Social Support ; Uganda/epidemiology
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  • 43
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-09-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Herz, Barbara -- New York, N.Y. -- Science. 2004 Sep 24;305(5692):1910-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15448252" target="_blank"〉PubMed〈/a〉
    Keywords: Child ; Developing Countries ; *Education ; Family ; Female ; Humans ; Male ; Population Growth ; *Women
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  • 44
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-07-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zakon, Harold -- New York, N.Y. -- Science. 2004 Jul 16;305(5682):349-50.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Section of Neurobiology, University of Texas, Austin, TX 78712, USA. h.zakon@mail.utexas.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15256660" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Physiological ; Animals ; Batrachoidiformes/*physiology ; Biological Evolution ; Ear, Inner/drug effects/*innervation/physiology ; Electric Fish/physiology ; Estrogens/*pharmacology/physiology ; Female ; Hair Cells, Auditory/physiology ; Hearing/*physiology ; Male ; Neurons, Afferent/*physiology ; Receptors, Estrogen/physiology ; Reproduction ; Sensory Receptor Cells/physiology ; Sexual Behavior, Animal ; Testosterone/pharmacology/physiology ; Vestibulocochlear Nerve/physiology ; *Vocalization, Animal
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  • 45
    Publication Date: 2004-05-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Samet, Jonathan M -- DeMarini, David M -- Malling, Heinrich V -- New York, N.Y. -- Science. 2004 May 14;304(5673):971-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Epidemiology, Johns Hopkins University, Bloomberg School of Public Health, Baltimore, MD 21205, USA. jsamet@jhsph.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15143266" target="_blank"〉PubMed〈/a〉
    Keywords: Air Pollutants/*toxicity ; Air Pollution/*adverse effects ; Animals ; DNA Damage ; Female ; Filtration/instrumentation ; *Germ-Line Mutation ; Humans ; Industry ; Male ; Mice ; Mutagens/*toxicity ; Ontario ; Particle Size ; Polycyclic Hydrocarbons, Aromatic/toxicity ; Pregnancy ; Spermatogonia/drug effects/physiology ; Stem Cells/drug effects/physiology ; Tandem Repeat Sequences
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  • 46
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-12-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hill, Geoffrey E -- New York, N.Y. -- Science. 2004 Dec 24;306(5705):2201-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological Science, Auburn University, Auburn, AL 36849, USA. ghill@acesag.auburn.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15619587" target="_blank"〉PubMed〈/a〉
    Keywords: *Animal Migration ; Animals ; Carotenoids/*analysis ; Feathers/*chemistry/growth & development ; Female ; Hydrogen/*analysis ; Isotopes ; Life Cycle Stages ; Male ; *Molting ; Pigmentation ; *Reproduction ; Seasons ; Songbirds/growth & development/*physiology ; Time Factors
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  • 47
    Publication Date: 2004-07-17
    Description: Experiments on imitation typically evaluate a student's ability to copy some feature of an expert's motor behavior. Here, we describe a type of observational learning in which a student copies a cognitive rule rather than a specific motor action. Two rhesus macaques were trained to respond, in a prescribed order, to different sets of photographs that were displayed on a touch-sensitive monitor. Because the position of the photographs varied randomly from trial to trial, sequences could not be learned by motor imitation. Both monkeys learned new sequences more rapidly after observing an expert execute those sequences than when they had to learn new sequences entirely by trial and error.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Subiaul, Francys -- Cantlon, Jessica F -- Holloway, Ralph L -- Terrace, Herbert S -- R01 MH40462/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 2004 Jul 16;305(5682):407-10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Anthropology, Columbia University, New York, NY 10027, USA. subiaul@aol.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15256673" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Cognition ; *Imitative Behavior ; *Learning ; Macaca mulatta/*physiology/psychology ; Male
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  • 48
    Publication Date: 2004-06-19
    Description: Psychologists and economists have long appreciated the contribution of reward history and expectation to decision-making. Yet we know little about how specific histories of choice and reward lead to an internal representation of the "value" of possible actions. We approached this problem through an integrated application of behavioral, computational, and physiological techniques. Monkeys were placed in a dynamic foraging environment in which they had to track the changing values of alternative choices through time. In this context, the monkeys' foraging behavior provided a window into their subjective valuation. We found that a simple model based on reward history can duplicate this behavior and that neurons in the parietal cortex represent the relative value of competing actions predicted by this model.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sugrue, Leo P -- Corrado, Greg S -- Newsome, William T -- New York, N.Y. -- Science. 2004 Jun 18;304(5678):1782-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute and Department of Neurobiology, Stanford University School of Medicine, Stanford, CA 94305, USA. leo@monkeybiz.stanford.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15205529" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain Mapping ; *Choice Behavior ; Computer Simulation ; Cues ; Decision Making ; Macaca mulatta ; Male ; Mathematics ; Models, Psychological ; Neurons/physiology ; Parietal Lobe/*physiology ; Probability ; Regression Analysis ; Reward ; Saccades
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  • 49
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-01-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Normile, Dennis -- New York, N.Y. -- Science. 2004 Jan 2;303(5654):26.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14704402" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; *Containment of Biohazards ; Guidelines as Topic ; Humans ; Laboratory Infection/prevention & control/*transmission ; Male ; *Medical Laboratory Personnel ; *SARS Virus ; Severe Acute Respiratory Syndrome/prevention & control/*transmission ; Taiwan ; World Health Organization
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  • 50
    Publication Date: 2004-04-17
    Description: Instrumental conditioning studies how animals and humans choose actions appropriate to the affective structure of an environment. According to recent reinforcement learning models, two distinct components are involved: a "critic," which learns to predict future reward, and an "actor," which maintains information about the rewarding outcomes of actions to enable better ones to be chosen more frequently. We scanned human participants with functional magnetic resonance imaging while they engaged in instrumental conditioning. Our results suggest partly dissociable contributions of the ventral and dorsal striatum, with the former corresponding to the critic and the latter corresponding to the actor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉O'Doherty, John -- Dayan, Peter -- Schultz, Johannes -- Deichmann, Ralf -- Friston, Karl -- Dolan, Raymond J -- New York, N.Y. -- Science. 2004 Apr 16;304(5669):452-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Wellcome Department of Imaging Neuroscience, Institute of Neurology, University College London, London WC1N 3BG, UK. j.odoherty@fil.ion.ucl.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15087550" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Basal Ganglia/*physiology ; Caudate Nucleus/*physiology ; Conditioning, Classical ; *Conditioning, Operant ; Female ; Humans ; Learning ; Magnetic Resonance Imaging ; Male ; Middle Aged ; Nucleus Accumbens/*physiology ; Probability ; Putamen/*physiology ; Reinforcement (Psychology) ; Reward
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-04-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tobena, Adolf -- New York, N.Y. -- Science. 2004 Apr 2;304(5667):47-9; author reply 47-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15060306" target="_blank"〉PubMed〈/a〉
    Keywords: *Behavior ; Female ; Humans ; Islam ; Male ; *Personality ; Religion ; *Suicide ; Temperament ; *Terrorism
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  • 52
    Publication Date: 2004-11-13
    Description: Various forms of birth control have been developed for women; however, there are currently few options for men. The development of male contraceptives that are effective, safe, and reversible is desired for family planning throughout the world. We now report contraception of male nonhuman primates (Macaca radiata) immunized with Eppin, a testis/epididymis-specific protein. Seven out of nine males (78%) developed high titers to Eppin, and all of these high-titer monkeys were infertile. Five out of seven (71%) high-anti-Eppin titer males recovered fertility when immunization was stopped. This study demonstrates that effective and reversible male immunocontraception is an attainable goal. This method of immunocontraception may be extended to humans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉O'rand, M G -- Widgren, E E -- Sivashanmugam, P -- Richardson, R T -- Hall, S H -- French, F S -- VandeVoort, C A -- Ramachandra, S G -- Ramesh, V -- Jagannadha Rao, A -- New York, N.Y. -- Science. 2004 Nov 12;306(5699):1189-90.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratories for Reproductive Biology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA. morand@unc.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15539605" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies/analysis/blood ; *Contraception, Immunologic ; Female ; Fertility ; Freund's Adjuvant ; Immunization, Secondary ; Macaca mulatta ; Macaca radiata ; Male ; Proteinase Inhibitory Proteins, Secretory ; Proteins/*immunology ; Recombinant Proteins/immunology ; Semen/immunology ; Time Factors ; Vaccination ; *Vaccines, Contraceptive
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  • 53
    Publication Date: 2004-08-07
    Description: Young brood parasites that tolerate the company of host offspring challenge the existing evolutionary view of family life. In theory, all parasitic nestlings should be ruthlessly self-interested and should kill host offspring soon after hatching. Yet many species allow host young to live, even though they are rivals for host resources. Here we show that the tolerance of host nestlings by the parasitic brown-headed cowbird Molothrus ater is adaptive. Host young procure the cowbird a higher provisioning rate, so it grows more rapidly. The cowbird's unexpected altruism toward host offspring simply promotes its selfish interests in exploiting host parents.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kilner, Rebecca M -- Madden, Joah R -- Hauber, Mark E -- New York, N.Y. -- Science. 2004 Aug 6;305(5685):877-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Zoology, Downing Street, Cambridge CB2 3EJ, UK. rmk1002@hermes.cam.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15297677" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Behavior, Animal ; Feeding Behavior ; Female ; Male ; *Nesting Behavior ; Regression Analysis ; Social Behavior ; Songbirds/growth & development/*physiology
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  • 54
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-08-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holden, Constance -- New York, N.Y. -- Science. 2004 Jul 30;305(5684):639-40.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15286362" target="_blank"〉PubMed〈/a〉
    Keywords: Anaerobic Threshold ; Body Constitution ; Doping in Sports ; Female ; Heart/physiology ; Humans ; Male ; Muscle, Skeletal/anatomy & histology/physiology ; Oxygen Consumption ; Physical Endurance ; Pulmonary Ventilation ; *Running ; *Sex Characteristics ; Testosterone/metabolism
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-08-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holden, Constance -- New York, N.Y. -- Science. 2004 Jul 30;305(5684):637-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15286361" target="_blank"〉PubMed〈/a〉
    Keywords: Africa, Eastern ; Africa, Western ; *African Continental Ancestry Group/genetics ; Body Composition ; Body Constitution ; Energy Metabolism ; Female ; Humans ; Kenya ; Lactates/metabolism ; Leg/anatomy & histology ; Male ; Muscle Fibers, Fast-Twitch/physiology ; Muscle Fibers, Slow-Twitch/physiology ; Muscle, Skeletal/anatomy & histology/enzymology/*physiology ; Oxygen Consumption ; Physical Endurance ; Physical Fitness ; *Running/physiology
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-09-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Testa, Giuseppe -- Harris, John -- New York, N.Y. -- Science. 2004 Sep 17;305(5691):1719.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genomics, BIOTEC, Dresden University of Technology, Dresden, Germany. testa@mpi-cbg.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15375251" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bioethical Issues ; Cloning, Organism/*ethics ; Embryo Research/ethics ; Embryo, Mammalian/*cytology ; Female ; Fertilization in Vitro ; Genomic Imprinting ; *Germ Cells ; Humans ; Infertility ; Male ; Mice ; Parents ; Reproductive Techniques, Assisted/*ethics ; *Stem Cells
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-11-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Balter, Michael -- New York, N.Y. -- Science. 2004 Nov 12;306(5699):1120-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15539578" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Biological ; Animals ; *Biological Evolution ; Cooperative Behavior ; *Cultural Evolution ; Emotions ; Endorphins/physiology ; Female ; Humans ; Language ; Male ; Maternal Behavior ; *Music ; Nonverbal Communication ; Object Attachment ; Selection, Genetic ; Sexual Behavior ; *Social Behavior
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-02-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holden, Constance -- New York, N.Y. -- Science. 2004 Feb 20;303(5661):1121.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14976285" target="_blank"〉PubMed〈/a〉
    Keywords: *Analgesia ; Animals ; Brain/*physiology ; Brain Mapping ; Cerebral Cortex/physiology ; *Empathy ; Female ; Humans ; Limbic System/physiology ; Magnetic Resonance Imaging ; Male ; *Pain ; *Placebo Effect
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  • 59
    Publication Date: 2004-09-09
    Description: Human genetic diseases that resemble accelerated aging provide useful models for gerontologists. They combine known single-gene mutations with deficits in selected tissues that are reminiscent of changes seen during normal aging. Here, we describe recent progress toward linking molecular and cellular changes with the phenotype seen in two of these disorders. One in particular, Werner syndrome, provides evidence to support the hypothesis that the senescence of somatic cells may be a causal agent of normal aging.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kipling, David -- Davis, Terence -- Ostler, Elizabeth L -- Faragher, Richard G A -- New York, N.Y. -- Science. 2004 Sep 3;305(5689):1426-31.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, School of Medicine, Cardiff University, Heath Park, Cardiff CF14 4XN, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15353794" target="_blank"〉PubMed〈/a〉
    Keywords: *Aging ; Animals ; Cell Aging ; Cell Division ; DNA Helicases/genetics/physiology ; Exodeoxyribonucleases ; Female ; Gene Expression ; Humans ; Male ; Mice ; Models, Animal ; Mutation ; Phenotype ; RecQ Helicases ; Telomere/metabolism ; *Werner Syndrome/genetics/pathology/physiopathology
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  • 60
    Publication Date: 2004-01-13
    Description: The development of osteoporosis involves the interaction of multiple environmental and genetic factors. Through combined genetic and genomic approaches, we identified the lipoxygenase gene Alox15 as a negative regulator of peak bone mineral density in mice. Crossbreeding experiments with Alox15 knockout mice confirmed that 12/15-lipoxygenase plays a role in skeletal development. Pharmacologic inhibitors of this enzyme improved bone density and strength in two rodent models of osteoporosis. These results suggest that drugs targeting the 12/15-lipoxygenase pathway merit investigation as a therapy for osteoporosis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Klein, Robert F -- Allard, John -- Avnur, Zafrira -- Nikolcheva, Tania -- Rotstein, David -- Carlos, Amy S -- Shea, Marie -- Waters, Ruth V -- Belknap, John K -- Peltz, Gary -- Orwoll, Eric S -- AR44659/AR/NIAMS NIH HHS/ -- HG02322/HG/NHGRI NIH HHS/ -- R01 AR044659/AR/NIAMS NIH HHS/ -- R01 AR044659-08/AR/NIAMS NIH HHS/ -- New York, N.Y. -- Science. 2004 Jan 9;303(5655):229-32.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Bone and Mineral Research Unit, Department of Medicine, School of Medicine, Oregon Health and Science University, 3181 Southwest Sam Jackson Park Road, Portland, OR 97239, USA. kleinro@ohsu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14716014" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arachidonate 12-Lipoxygenase/*genetics/*metabolism ; Arachidonate 15-Lipoxygenase/*genetics/*metabolism ; Bone Density/drug effects/*genetics ; Bone Marrow Cells/metabolism ; Cell Differentiation ; Cells, Cultured ; Crosses, Genetic ; Enzyme Inhibitors/pharmacology ; Female ; Fluorenes/pharmacology ; Gene Expression Profiling ; Genetic Linkage ; Kidney/metabolism ; Lipoxygenase Inhibitors ; Male ; Mice ; Mice, Inbred C57BL ; Mice, Inbred Strains ; Mice, Knockout ; Mice, Transgenic ; Oligonucleotide Array Sequence Analysis ; Osteoblasts/cytology/metabolism/physiology ; Osteogenesis ; Osteoporosis/enzymology ; Polymorphism, Genetic ; Quantitative Trait Loci ; Rats ; Receptors, Cytoplasmic and Nuclear/metabolism ; Stromal Cells/metabolism ; Transcription Factors/metabolism
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  • 61
    Publication Date: 2004-11-30
    Description: Epithelial cancers are believed to originate from transformation of tissue stem cells. However, bone marrow-derived cells (BMDCs), which are frequently recruited to sites of tissue injury and inflammation, might also represent a potential source of malignancy. We show that although acute injury, acute inflammation, or transient parietal cell loss within the stomach do not lead to BMDC recruitment, chronic infection of C57BL/6 mice with Helicobacter, a known carcinogen, induces repopulation of the stomach with BMDCs. Subsequently, these cells progress through metaplasia and dysplasia to intraepithelial cancer. These findings suggest that epithelial cancers can originate from marrow-derived sources and thus have broad implications for the multistep model of cancer progression.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Houghton, Jeanmarie -- Stoicov, Calin -- Nomura, Sachiyo -- Rogers, Arlin B -- Carlson, Jane -- Li, Hanchen -- Cai, Xun -- Fox, James G -- Goldenring, James R -- Wang, Timothy C -- CA95103/CA/NCI NIH HHS/ -- K22 CA90518/CA/NCI NIH HHS/ -- R01 CA87958/CA/NCI NIH HHS/ -- R01 DK58/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 2004 Nov 26;306(5701):1568-71.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine and Cancer Biology, University of Massachusetts Medical School, Worcester, MA 01605, USA. jeanmarie.houghton@umassmed.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15567866" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Apoptosis ; Bone Marrow Cells/*cytology ; Bone Marrow Transplantation ; Carcinoma in Situ/pathology ; Cell Differentiation ; Cell Fusion ; Disease Progression ; Female ; Gastric Mucosa/chemistry/pathology ; Gastritis/*pathology ; Helicobacter Infections/*pathology ; *Helicobacter felis ; Keratins/analysis ; Male ; Mesenchymal Stromal Cells/physiology ; Metaplasia ; Mice ; Mice, Inbred C57BL ; Mice, Transgenic ; Mucins/analysis ; Muscle Proteins/analysis ; Parietal Cells, Gastric/physiology ; Peptides/analysis ; Phenotype ; Stem Cells/*physiology ; Stomach Neoplasms/*pathology
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-10-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, Jon -- New York, N.Y. -- Science. 2004 Oct 15;306(5695):387.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15486260" target="_blank"〉PubMed〈/a〉
    Keywords: Administration, Intravaginal ; Animals ; Anti-HIV Agents/administration & dosage/*therapeutic use ; Anti-Infective Agents, Local/administration & dosage/*therapeutic use ; *CCR5 Receptor Antagonists ; Chemokine CCL5/administration & dosage/*analogs & derivatives/*therapeutic use ; Female ; HIV/drug effects ; HIV Infections/*prevention & control/transmission ; Haplorhini ; Humans ; Male ; Receptors, CCR5/metabolism ; Simian Acquired Immunodeficiency Syndrome/*prevention & control/transmission ; Simian Immunodeficiency Virus/drug effects ; Vagina/virology
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  • 63
    Publication Date: 2004-01-17
    Description: The capacity to generate a limitless range of meaningful expressions from a finite set of elements differentiates human language from other animal communication systems. Rule systems capable of generating an infinite set of outputs ("grammars") vary in generative power. The weakest possess only local organizational principles, with regularities limited to neighboring units. We used a familiarization/discrimination paradigm to demonstrate that monkeys can spontaneously master such grammars. However, human language entails more sophisticated grammars, incorporating hierarchical structure. Monkeys tested with the same methods, syllables, and sequence lengths were unable to master a grammar at this higher, "phrase structure grammar" level.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fitch, W Tecumseh -- Hauser, Marc D -- New York, N.Y. -- Science. 2004 Jan 16;303(5656):377-80.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Psychology, University of St. Andrews, St. Andrews, Fife, KY16 9AJ, Scotland. wtsf@st-andrews.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14726592" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Animals ; Cues ; Female ; Humans ; Intelligence ; *Language ; *Learning ; *Linguistics ; Male ; Memory ; *Saguinus ; Speech
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  • 64
    Publication Date: 2004-02-14
    Description: Somatic cell nuclear transfer (SCNT) technology has recently been used to generate animals with a common genetic composition. In this study, we report the derivation of a pluripotent embryonic stem (ES) cell line (SCNT-hES-1) from a cloned human blastocyst. The SCNT-hES-1 cells displayed typical ES cell morphology and cell surface markers and were capable of differentiating into embryoid bodies in vitro and of forming teratomas in vivo containing cell derivatives from all three embryonic germ layers in severe combined immunodeficient mice. After continuous proliferation for more than 70 passages, SCNT-hES-1 cells maintained normal karyotypes and were genetically identical to the somatic nuclear donor cells. Although we cannot completely exclude the possibility that the cells had a parthenogenetic origin, imprinting analyses support a SCNT origin of the derived human ES cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hwang, Woo Suk -- Ryu, Young June -- Park, Jong Hyuk -- Park, Eul Soon -- Lee, Eu Gene -- Koo, Ja Min -- Jeon, Hyun Yong -- Lee, Byeong Chun -- Kang, Sung Keun -- Kim, Sun Jong -- Ahn, Curie -- Hwang, Jung Hye -- Park, Ky Young -- Cibelli, Jose B -- Moon, Shin Yong -- New York, N.Y. -- Science. 2004 Mar 12;303(5664):1669-74. Epub 2004 Feb 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉College of Veterinary Medicine, Seoul National University, Seoul 151-742, Korea. hwangws@snu.ac.kr〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14963337" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biomarkers/analysis ; Blastocyst/*cytology ; Cell Differentiation ; *Cell Line ; *Cloning, Organism ; Culture Media ; Culture Techniques ; DNA Fingerprinting ; Embryo, Mammalian/*cytology ; Female ; Genomic Imprinting ; Humans ; Karyotyping ; Male ; Mice ; Mice, SCID ; Nuclear Transfer Techniques ; Oocyte Donation ; Ovarian Follicle/cytology ; Parthenogenesis ; Pluripotent Stem Cells/chemistry/*cytology ; Reverse Transcriptase Polymerase Chain Reaction ; Tandem Repeat Sequences ; Teratoma/etiology/pathology ; Testicular Neoplasms/etiology/pathology
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  • 65
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-06-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, Jon -- New York, N.Y. -- Science. 2004 Jun 25;304(5679):1932-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15218138" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/epidemiology/prevention & control/transmission ; Africa/epidemiology ; Asia/epidemiology ; Computer Simulation ; Condoms ; *Disease Outbreaks ; Female ; HIV Infections/*epidemiology/prevention & control/transmission ; Harm Reduction ; Health Education ; Homosexuality, Male ; Humans ; Male ; Models, Statistical ; Needle-Exchange Programs ; Prevalence ; Prostitution ; Risk Factors ; Sexual Behavior ; Substance Abuse, Intravenous
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    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 66
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-04-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, Jon -- New York, N.Y. -- Science. 2004 Apr 23;304(5670):504-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15105469" target="_blank"〉PubMed〈/a〉
    Keywords: Academies and Institutes ; Acquired Immunodeficiency Syndrome/drug therapy/*epidemiology/transmission ; Ambulatory Care Facilities ; Anti-HIV Agents/therapeutic use ; Delivery of Health Care ; *Disease Outbreaks ; Drug Utilization ; Female ; Government Programs ; HIV Infections/drug therapy/*epidemiology/transmission ; Health Services Accessibility ; Hospitals ; Humans ; India/epidemiology ; Male ; Prevalence
    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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  • 67
    Publication Date: 2004-05-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kraytsberg, Yevgenya -- Schwartz, Marianne -- Brown, Timothy A -- Ebralidse, Konstantin -- Kunz, Wolfram S -- Clayton, David A -- Vissing, John -- Khrapko, Konstantin -- AG18388/AG/NIA NIH HHS/ -- AG19787/AG/NIA NIH HHS/ -- ES11343/ES/NIEHS NIH HHS/ -- New York, N.Y. -- Science. 2004 May 14;304(5673):981.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15143273" target="_blank"〉PubMed〈/a〉
    Keywords: DNA Replication ; DNA, Mitochondrial/*genetics ; Fathers ; Female ; Humans ; Male ; Mitochondria, Muscle/genetics ; Mothers ; Polymerase Chain Reaction ; *Recombination, Genetic
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  • 68
    Publication Date: 2004-11-06
    Description: To what extent do we learn from the positive versus negative outcomes of our decisions? The neuromodulator dopamine plays a key role in these reinforcement learning processes. Patients with Parkinson's disease, who have depleted dopamine in the basal ganglia, are impaired in tasks that require learning from trial and error. Here, we show, using two cognitive procedural learning tasks, that Parkinson's patients off medication are better at learning to avoid choices that lead to negative outcomes than they are at learning from positive outcomes. Dopamine medication reverses this bias, making patients more sensitive to positive than negative outcomes. This pattern was predicted by our biologically based computational model of basal ganglia-dopamine interactions in cognition, which has separate pathways for "Go" and "NoGo" responses that are differentially modulated by positive and negative reinforcement.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Frank, Michael J -- Seeberger, Lauren C -- O'reilly, Randall C -- MH069597-01/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 2004 Dec 10;306(5703):1940-3. Epub 2004 Nov 4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychology and Center for Neuroscience, University of Colorado Boulder, Boulder, CO 80309-0345, USA. frankmj@psych.colorado.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15528409" target="_blank"〉PubMed〈/a〉
    Keywords: Aged ; Antiparkinson Agents/therapeutic use ; Basal Ganglia/*physiopathology ; *Cognition ; Computer Simulation ; Dopamine/*physiology ; Feedback, Psychological ; Female ; Frontal Lobe/physiopathology ; Humans ; *Learning ; Male ; Matched-Pair Analysis ; Middle Aged ; Models, Neurological ; Parkinson Disease/drug therapy/*physiopathology/*psychology ; Probability ; *Reinforcement (Psychology)
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  • 69
    Publication Date: 2004-07-27
    Description: Inherited channelopathies are at the origin of many neurological disorders. Here we report a form of channelopathy that is acquired in experimental temporal lobe epilepsy (TLE), the most common form of epilepsy in adults. The excitability of CA1 pyramidal neuron dendrites was increased in TLE because of decreased availability of A-type potassium ion channels due to transcriptional (loss of channels) and posttranslational (increased channel phosphorylation by extracellular signal-regulated kinase) mechanisms. Kinase inhibition partly reversed dendritic excitability to control levels. Such acquired channelopathy is likely to amplify neuronal activity and may contribute to the initiation and/or propagation of seizures in TLE.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bernard, Christophe -- Anderson, Anne -- Becker, Albert -- Poolos, Nicholas P -- Beck, Heinz -- Johnston, Daniel -- MH44754/MH/NIMH NIH HHS/ -- MH48432/MH/NIMH NIH HHS/ -- NS37444/NS/NINDS NIH HHS/ -- NS39943/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2004 Jul 23;305(5683):532-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neuroscience, Baylor College of Medicine, Houston, TX 77030, USA. cbernard@inmed.univ-mrs.fr〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15273397" target="_blank"〉PubMed〈/a〉
    Keywords: 1-(5-Isoquinolinesulfonyl)-2-Methylpiperazine/pharmacology ; 4-Aminopyridine/pharmacology ; Action Potentials/drug effects ; Animals ; Butadienes/pharmacology ; Dendrites/*physiology ; Enzyme Inhibitors/pharmacology ; Epilepsy, Temporal Lobe/*physiopathology ; Hippocampus/cytology/*physiopathology ; Male ; Membrane Potentials ; Mitogen-Activated Protein Kinases/antagonists & inhibitors/metabolism ; Nitriles/pharmacology ; Phosphorylation ; Pilocarpine/administration & dosage ; Potassium Channel Blockers/pharmacology ; Potassium Channels/drug effects/metabolism/*physiology ; *Potassium Channels, Voltage-Gated ; Protein Kinase C/antagonists & inhibitors/metabolism ; Pyramidal Cells/*physiology ; Rats ; Rats, Sprague-Dawley ; Shal Potassium Channels
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  • 70
    Publication Date: 2004-02-14
    Description: The life cycles of sexually reproducing animals and flowering plants begin with male and female gametes and their fusion to form a zygote. Selection at this earliest stage is crucial for offspring quality and raises similar evolutionary issues, yet zoology and botany use dissimilar approaches. There are striking parallels in the role of prezygotic competition for sexual selection on males, cryptic female choice, sexual conflict, and against selfish genetic elements and genetic incompatibility. In both groups, understanding the evolution of sex-specific and reproductive traits will require an appreciation of the effects of prezygotic competition on fitness.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bernasconi, G -- Ashman, T-L -- Birkhead, T R -- Bishop, J D D -- Grossniklaus, U -- Kubli, E -- Marshall, D L -- Schmid, B -- Skogsmyr, I -- Snook, R R -- Taylor, D -- Till-Bottraud, I -- Ward, P I -- Zeh, D W -- Hellriegel, B -- New York, N.Y. -- Science. 2004 Feb 13;303(5660):971-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Environmental Sciences, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland. bernasco@uwinst.unizh.ch〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14963320" target="_blank"〉PubMed〈/a〉
    Keywords: Angiosperms/*physiology ; Animals ; *Biological Evolution ; Competitive Behavior ; Copulation ; Female ; Gene Expression ; Male ; Pollen/*physiology ; *Reproduction ; Selection, Genetic ; Sex Characteristics ; *Sexual Behavior, Animal ; Spermatozoa/*physiology
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  • 71
    Publication Date: 2004-07-03
    Description: The hippocampus is crucial for spatial memory formation, yet it does not store long-lasting memories. By combining functional brain imaging and region-specific neuronal inactivation in mice, we identified prefrontal and anterior cingulate cortices as critical for storage and retrieval of remote spatial memories [correction]. Imaging of activity-dependent genes also revealed an involvement of parietal and retrosplenial cortices during consolidation of remote memory. Long-term memory storage within some of these neocortical regions was accompanied by structural changes including synaptogenesis and laminar reorganization, concomitant with a functional disengagement of the hippocampus and posterior cingulate cortex [correction]. Thus, consolidation of spatial memory requires a time-dependent hippocampal-cortical dialogue, ultimately enabling widespread cortical networks to mediate effortful recall and use of cortically stored remote memories independently.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Maviel, Thibault -- Durkin, Thomas P -- Menzaghi, Frederique -- Bontempi, Bruno -- New York, N.Y. -- Science. 2004 Jul 2;305(5680):96-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratoire de Neurosciences Cognitives, CNRS UMR 5106, Universite de Bordeaux 1, Avenue des Facultes, 33405 Talence, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15232109" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain Mapping ; GAP-43 Protein/metabolism ; Gene Expression Regulation ; Genes, Immediate-Early ; Gyrus Cinguli/*physiology ; Immediate-Early Proteins/metabolism ; Lidocaine/pharmacology ; Male ; Memory/drug effects/*physiology ; Mental Recall ; Mice ; Mice, Inbred C57BL ; Neocortex/*physiology ; Nerve Net/physiology ; Neuronal Plasticity ; Neurons/physiology ; Parietal Lobe/physiology ; Prefrontal Cortex/*physiology ; Synapses/physiology ; Time Factors
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  • 72
    Publication Date: 2004-05-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cordaux, Richard -- Deepa, Edwin -- Vishwanathan, H -- Stoneking, Mark -- New York, N.Y. -- Science. 2004 May 21;304(5674):1125.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, D-04103 Leipzig, Germany. cordaux@lsu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15155941" target="_blank"〉PubMed〈/a〉
    Keywords: *Agriculture ; Chromosomes, Human, Y/genetics ; Culture ; DNA, Mitochondrial/genetics ; Diffusion of Innovation ; Ethnic Groups/*genetics ; *Genetic Variation ; *Genetics, Population ; Haplotypes ; Humans ; India ; Male
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  • 73
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-12-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gadagkar, Raghavendra -- New York, N.Y. -- Science. 2004 Dec 3;306(5702):1694-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for Ecological Sciences, Indian Institute of Science, 560 012 Bangalore, India. ragh@ces.iisc.ernet.in〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15576600" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Animals ; Ants/genetics/*physiology ; Bees/genetics/physiology ; Behavior, Animal ; *Biological Evolution ; Diploidy ; Female ; Genes, Insect ; Genetic Variation ; Haploidy ; Male ; *Parthenogenesis ; Reproduction ; Sex Determination Processes ; Sexual Behavior, Animal ; Social Behavior
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  • 74
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-11-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Couzin, Jennifer -- New York, N.Y. -- Science. 2004 Nov 19;306(5700):1277.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15550635" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arteriosclerosis/*etiology/prevention & control ; Cyclooxygenase 2 ; Cyclooxygenase 2 Inhibitors ; Cyclooxygenase Inhibitors/adverse effects/therapeutic use ; Disease Susceptibility ; Epoprostenol/biosynthesis ; Estrogens/administration & dosage/*pharmacology/*physiology ; Female ; Humans ; Isoenzymes/*metabolism ; Male ; Membrane Proteins ; Mice ; Oxidative Stress/drug effects ; Prostaglandin-Endoperoxide Synthases/*metabolism ; Receptors, Epoprostenol/genetics/metabolism ; *Sex Characteristics
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  • 75
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-08-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jaffe, Harold -- New York, N.Y. -- Science. 2004 Aug 27;305(5688):1243-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Public Health, University of Oxford, Old Road Campus, Headington, Oxford OX3 7LF, UK. harold.jaffe@dphpc.ox.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15333825" target="_blank"〉PubMed〈/a〉
    Keywords: AIDS Serodiagnosis ; Acquired Immunodeficiency Syndrome/diagnosis/*epidemiology/*prevention & ; control/transmission ; African Americans/statistics & numerical data ; *Disease Outbreaks ; Female ; Homosexuality, Male/statistics & numerical data ; Humans ; Male ; Needle-Exchange Programs ; Prisoners/statistics & numerical data ; *Public Health ; Public Policy ; Sexual Abstinence ; Substance Abuse, Intravenous/therapy ; United States/epidemiology
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  • 76
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-07-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vogel, Gretchen -- New York, N.Y. -- Science. 2004 Jul 2;305(5680):27.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15232079" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bone Marrow Cells/*physiology ; *Bone Marrow Transplantation ; Cell Differentiation ; Cell Fusion ; Epithelial Cells/*cytology/metabolism ; Female ; Green Fluorescent Proteins ; Luminescent Proteins/analysis ; Male ; Mice ; Recombinases/metabolism ; Stem Cells/cytology/*physiology ; Y Chromosome
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  • 77
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-04-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2004 Apr 16;304(5669):383-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15087523" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Laboratory ; Female ; *Genome ; Inbreeding ; Japan ; Male ; *Mutation ; Oryzias/anatomy & histology/*genetics/physiology ; Reproduction ; Sequence Analysis, DNA
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  • 78
    Publication Date: 2004-04-03
    Description: Human visual recognition processes are remarkably robust and can function effectively even under highly degraded viewing conditions. Contextual information may play a critical role in such circumstances. Here, we provide neurophysiological evidence that contextual cues can elicit object-specific neural responses, which have hitherto been believed to be based on intrinsic cues alone. Specifically, we find that the "fusiform face area" (FFA) maintains its selectivity for faces without regard to whether the faces are defined intrinsically or contextually. This finding further elucidates the role of the FFA and reveals neural correlates of contextual processing in the service of robust object recognition.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cox, David -- Meyers, Ethan -- Sinha, Pawan -- New York, N.Y. -- Science. 2004 Apr 2;304(5667):115-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15001712" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Cues ; *Face ; Female ; *Form Perception ; Humans ; Magnetic Resonance Imaging ; Male ; Pattern Recognition, Visual ; Temporal Lobe/*physiology ; Visual Cortex/*physiology
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  • 79
    Publication Date: 2004-11-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser, Jocelyn -- New York, N.Y. -- Science. 2004 Nov 19;306(5700):1285.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15550641" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Proliferation ; *Genetic Predisposition to Disease ; *Genetic Variation ; Humans ; Kruppel-Like Transcription Factors ; Male ; Point Mutation ; Prostatic Neoplasms/*genetics ; Proto-Oncogene Proteins/chemistry/*genetics/physiology ; Trans-Activators/chemistry/*genetics/physiology
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  • 80
    Publication Date: 2004-03-27
    Description: The mammalian cerebral cortex is characterized by complex patterns of anatomical and functional areas that differ markedly between species, but the molecular basis for this functional subdivision is largely unknown. Here, we show that mutations in GPR56, which encodes an orphan G protein-coupled receptor (GPCR) with a large extracellular domain, cause a human brain cortical malformation called bilateral frontoparietal polymicrogyria (BFPP). BFPP is characterized by disorganized cortical lamination that is most severe in frontal cortex. Our data suggest that GPCR signaling plays an essential role in regional development of human cerebral cortex.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Piao, Xianhua -- Hill, R Sean -- Bodell, Adria -- Chang, Bernard S -- Basel-Vanagaite, Lina -- Straussberg, Rachel -- Dobyns, William B -- Qasrawi, Bassam -- Winter, Robin M -- Innes, A Micheil -- Voit, Thomas -- Ross, M Elizabeth -- Michaud, Jacques L -- Descarie, Jean-Claude -- Barkovich, A James -- Walsh, Christopher A -- HD07466/HD/NICHD NIH HHS/ -- K08 NS045762-01A1/NS/NINDS NIH HHS/ -- R37 NS35129/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2004 Mar 26;303(5666):2033-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Beth Israel Deaconess Medical Center, and Department of Neurology, Harvard Medical School, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15044805" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Substitution ; Animals ; Antisense Elements (Genetics) ; Biological Evolution ; Body Patterning ; Cerebral Cortex/*abnormalities/embryology ; Cerebral Ventricles/cytology/embryology ; Female ; Frameshift Mutation ; Frontal Lobe/*abnormalities/embryology ; Gene Order ; Humans ; Ligands ; Male ; Mice ; Mutation, Missense ; Neurons/physiology ; Parietal Lobe/abnormalities/embryology ; Receptors, G-Protein-Coupled/chemistry/*genetics/metabolism/*physiology ; Sequence Deletion ; Sequence Homology, Amino Acid ; Signal Transduction ; Stem Cells/physiology
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  • 81
    Publication Date: 2004-12-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Webster, Paul -- New York, N.Y. -- Science. 2004 Dec 10;306(5703):1875.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15591171" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arctic Regions ; Body Burden ; Diet ; Environmental Monitoring ; Environmental Pollutants/*analysis/toxicity ; Female ; Fishes ; Humans ; Male ; Pesticides/*analysis/toxicity ; Population Groups ; Russia
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  • 82
    Publication Date: 2004-08-03
    Description: Recombinant mouse prion protein (recMoPrP) produced in Escherichia coli was polymerized into amyloid fibrils that represent a subset of beta sheet-rich structures. Fibrils consisting of recMoPrP(89-230) were inoculated intracerebrally into transgenic (Tg) mice expressing MoPrP(89-231). The mice developed neurologic dysfunction between 380 and 660 days after inoculation. Brain extracts showed protease-resistant PrP by Western blotting; these extracts transmitted disease to wild-type FVB mice and Tg mice overexpressing PrP, with incubation times of 150 and 90 days, respectively. Neuropathological findings suggest that a novel prion strain was created. Our results provide compelling evidence that prions are infectious proteins.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Legname, Giuseppe -- Baskakov, Ilia V -- Nguyen, Hoang-Oanh B -- Riesner, Detlev -- Cohen, Fred E -- DeArmond, Stephen J -- Prusiner, Stanley B -- AG02132/AG/NIA NIH HHS/ -- AG021601/AG/NIA NIH HHS/ -- AG10770/AG/NIA NIH HHS/ -- New York, N.Y. -- Science. 2004 Jul 30;305(5684):673-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Neurodegenerative Diseases, 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/15286374" target="_blank"〉PubMed〈/a〉
    Keywords: Amyloid/chemistry/metabolism ; Animals ; Biopolymers ; Brain/metabolism/pathology ; Brain Chemistry ; Escherichia coli/genetics ; Female ; Glycosylation ; Male ; Mice ; Mice, Transgenic ; Plaque, Amyloid/pathology ; PrPSc Proteins/analysis/metabolism ; Prion Diseases/*etiology/pathology/transmission ; Prions/administration & dosage/biosynthesis/chemistry/*pathogenicity ; Protein Conformation ; Protein Folding ; Recombinant Proteins/administration & dosage/biosynthesis/chemistry ; Time Factors ; Tissue Extracts/administration & dosage ; Vacuoles/pathology
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  • 83
    Publication Date: 2004-07-27
    Description: Psychologists, economists, and advertising moguls have long known that human decision-making is strongly influenced by the behavior of others. A rapidly accumulating body of evidence suggests that the same is true in animals. Individuals can use information arising from cues inadvertently produced by the behavior of other individuals with similar requirements. Many of these cues provide public information about the quality of alternatives. The use of public information is taxonomically widespread and can enhance fitness. Public information can lead to cultural evolution, which we suggest may then affect biological evolution.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Danchin, Etienne -- Giraldeau, Luc-Alain -- Valone, Thomas J -- Wagner, Richard H -- New York, N.Y. -- Science. 2004 Jul 23;305(5683):487-91.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉U.P.M.C. CNRS-UMR7625, Bat A-7e etage-Case 237, 7 quai Saint Bernard, 75252 Paris Cedex 05, France. edanchin@snv.jussieu.fr〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15273386" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Behavior, Animal ; Biological Evolution ; Cues ; *Cultural Evolution ; *Decision Making ; Environment ; Feeding Behavior ; Female ; Genes ; Humans ; Male ; Reproduction ; Sexual Behavior, Animal
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  • 84
    Publication Date: 2004-11-06
    Description: The mammalian vomeronasal organ detects social information about gender, status, and individuality. The molecular cues carrying this information remain largely unknown. Here, we show that small peptides that serve as ligands for major histocompatibility complex (MHC) class I molecules function also as sensory stimuli for a subset of vomeronasal sensory neurons located in the basal Gao- and V2R receptor-expressing zone of the vomeronasal epithelium. In behaving mice, the same peptides function as individuality signals underlying mate recognition in the context of pregnancy block. MHC peptides constitute a previously unknown family of chemosensory stimuli by which MHC genotypic diversity can influence social behavior.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Leinders-Zufall, Trese -- Brennan, Peter -- Widmayer, Patricia -- S, Prashanth Chandramani -- Maul-Pavicic, Andrea -- Jager, Martina -- Li, Xiao-Hong -- Breer, Heinz -- Zufall, Frank -- Boehm, Thomas -- New York, N.Y. -- Science. 2004 Nov 5;306(5698):1033-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD 21201, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15528444" target="_blank"〉PubMed〈/a〉
    Keywords: Action Potentials ; Animals ; Chemoreceptor Cells ; Female ; H-2 Antigens/metabolism ; Histocompatibility Antigens Class I/*metabolism ; Ligands ; Male ; Mice ; Mice, Inbred C57BL ; Olfactory Receptor Neurons/metabolism ; Peptides/*metabolism ; Receptors, Vasopressin/metabolism ; *Signal Transduction ; Smell/physiology ; Urine ; Vomeronasal Organ/*metabolism
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  • 85
    Publication Date: 2004-08-31
    Description: Many people voluntarily incur costs to punish violations of social norms. Evolutionary models and empirical evidence indicate that such altruistic punishment has been a decisive force in the evolution of human cooperation. We used H2 15O positron emission tomography to examine the neural basis for altruistic punishment of defectors in an economic exchange. Subjects could punish defection either symbolically or effectively. Symbolic punishment did not reduce the defector's economic payoff, whereas effective punishment did reduce the payoff. We scanned the subjects' brains while they learned about the defector's abuse of trust and determined the punishment. Effective punishment, as compared with symbolic punishment, activated the dorsal striatum, which has been implicated in the processing of rewards that accrue as a result of goal-directed actions. Moreover, subjects with stronger activations in the dorsal striatum were willing to incur greater costs in order to punish. Our findings support the hypothesis that people derive satisfaction from punishing norm violations and that the activation in the dorsal striatum reflects the anticipated satisfaction from punishing defectors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉de Quervain, Dominique J-F -- Fischbacher, Urs -- Treyer, Valerie -- Schellhammer, Melanie -- Schnyder, Ulrich -- Buck, Alfred -- Fehr, Ernst -- New York, N.Y. -- Science. 2004 Aug 27;305(5688):1254-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Psychiatry Research, University of Zurich, Lenggstrasse 31, 8029 Zurich, Switzerland. quervain@bli.unizh.ch〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15333831" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Altruism ; Brain Mapping ; Caudate Nucleus/*physiology/radionuclide imaging ; Corpus Striatum/*physiology/radionuclide imaging ; *Emotions ; Frontal Lobe/physiology/radionuclide imaging ; Games, Experimental ; Humans ; Male ; *Personal Satisfaction ; Prefrontal Cortex/physiology/radionuclide imaging ; *Punishment ; Reward ; Surveys and Questionnaires ; Thalamus/physiology/radionuclide imaging ; Tomography, Emission-Computed
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  • 86
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-02-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Radisky, Derek C -- Bissell, Mina J -- New York, N.Y. -- Science. 2004 Feb 6;303(5659):775-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Life Sciences, Lawrence Berkeley National Laboratory, University of California, Berkeley, CA 94720, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14764858" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Differentiation ; *Cell Transformation, Neoplastic ; Epithelial Cells/*physiology ; Extracellular Matrix/physiology/ultrastructure ; Fibroblasts/*physiology ; Genetic Predisposition to Disease ; Humans ; Male ; Mice ; Models, Biological ; Neoplasms, Glandular and Epithelial/*etiology ; Prostatic Intraepithelial Neoplasia/etiology ; Receptors, Transforming Growth Factor beta/genetics/metabolism ; *Signal Transduction ; Stomach Neoplasms/etiology ; Stromal Cells/*physiology ; Transforming Growth Factor beta/*physiology
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  • 87
    Publication Date: 2004-05-15
    Description: We report a perception-action dissociation in the behavior of normally developing young children. In adults and older children, the perception of an object and the organization of actions on it are seamlessly integrated. However, as documented here, 18- to 30-month-old children sometimes fail to use information about object size and make serious attempts to perform impossible actions on miniature objects. They try, for example, to sit in a dollhouse chair or to get into a small toy car. We interpret scale errors as reflecting problems with inhibitory control and with the integration of visual information for perception and action.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉DeLoache, Judy S -- Uttal, David H -- Rosengren, Karl S -- 5 T32 HD007323-18/HD/NICHD NIH HHS/ -- HD-25271/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 2004 May 14;304(5673):1027-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychology, University of Virginia, Charlottesville, VA 22904, USA. jdeloache@virginia.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15143286" target="_blank"〉PubMed〈/a〉
    Keywords: Cerebral Cortex/physiology ; *Child Development ; Child, Preschool ; Female ; Humans ; Infant ; Male ; Mental Processes ; Motor Activity ; Psychomotor Performance ; *Size Perception ; Visual Perception
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  • 88
    Publication Date: 2004-08-25
    Description: Primordial ovarian follicles in mice form when somatic cells surround individual oocytes. We show that lack of Nobox, an oocyte-specific homeobox gene, accelerates postnatal oocyte loss and abolishes the transition from primordial to growing follicles in mice. Follicles are replaced by fibrous tissue in female mice lacking Nobox in a manner similar to nonsyndromic ovarian failure in women. Genes preferentially expressed in oocytes, including Oct4 and Gdf9, are down-regulated in Nobox-/- mice, whereas ubiquitous genes such as Bmp4, Kit, and Bax remain unaffected. Therefore, Nobox is critical for specifying an oocyte-restricted gene expression pattern essential for postnatal follicle development.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rajkovic, Aleksandar -- Pangas, Stephanie A -- Ballow, Daniel -- Suzumori, Nobuhiro -- Matzuk, Martin M -- HD007165/HD/NICHD NIH HHS/ -- HD01426/HD/NICHD NIH HHS/ -- HD33438/HD/NICHD NIH HHS/ -- HD42500/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 2004 Aug 20;305(5687):1157-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Obstetrics and Gynecology, Baylor College of Medicine, Houston, TX 77030, USA. rajkovic@bcm.tmc.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15326356" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Newborn ; Apoptosis ; Embryonic and Fetal Development/genetics ; Female ; Fertility ; Gene Deletion ; *Gene Expression Regulation, Developmental ; Gene Targeting ; *Genes, Homeobox ; Germ Cells/cytology/physiology ; Homeodomain Proteins/*genetics/*physiology ; Male ; Meiosis ; Mice ; Mice, Inbred C57BL ; Oocytes/*physiology ; Oogenesis ; Ovarian Follicle/*physiology ; Ovary/cytology/embryology/physiology ; Transcription Factors
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  • 89
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-03-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rakic, Pasko -- New York, N.Y. -- Science. 2004 Mar 26;303(5666):1983-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurobiology, Yale University School of Medicine, New Haven, CT 06520, USA. pasko.rakic@yale.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15044793" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; Cell Division ; Cell Movement ; Cerebral Cortex/*abnormalities/embryology ; Cerebral Ventricles/cytology/embryology ; Female ; Frontal Lobe/*abnormalities/embryology ; Humans ; Intellectual Disability ; Male ; Mice ; Mutation ; Neurons/physiology ; Parietal Lobe/abnormalities/embryology ; Pedigree ; Receptors, G-Protein-Coupled/*genetics/*physiology ; Stem Cells/physiology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 90
    Publication Date: 2004-12-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wilson, David P -- Blower, Sally M -- New York, N.Y. -- Science. 2004 Dec 10;306(5703):1890; author reply 1890.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15591184" target="_blank"〉PubMed〈/a〉
    Keywords: Anti-HIV Agents/administration & dosage/*pharmacology ; *Condoms ; Female ; HIV/*drug effects ; HIV Infections/*prevention & control/*transmission ; Humans ; Male
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  • 91
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-01-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hajkova, Petra -- Surani, M Azim -- New York, N.Y. -- Science. 2004 Jan 30;303(5658):633-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Wellcome Trust Cancer Research UK Gurdon Institute, University of Cambridge, Cambridge CB2 1QR, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14752149" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chromosomes, Mammalian/physiology ; *Dosage Compensation, Genetic ; Embryo, Mammalian/*physiology ; *Embryo, Nonmammalian ; *Embryonic and Fetal Development ; Female ; *Gene Expression Regulation, Developmental ; Genes, Homeobox ; Genomic Imprinting ; Histones/metabolism ; Male ; Methylation ; Placenta/*physiology ; Pluripotent Stem Cells/physiology ; Polycomb Repressive Complex 2 ; Proteins/metabolism ; RNA, Long Noncoding ; RNA, Untranslated/metabolism ; Repressor Proteins/metabolism ; X Chromosome/*physiology
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  • 92
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-08-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kennedy, Donald -- New York, N.Y. -- Science. 2004 Jul 30;305(5684):573.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15286330" target="_blank"〉PubMed〈/a〉
    Keywords: Biomechanical Phenomena ; Doping in Sports ; Female ; Humans ; *Internationality ; Male ; Physical Fitness ; *Sports ; Technology
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  • 93
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-10-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nelson, David L -- Gibbs, Richard A -- New York, N.Y. -- Science. 2004 Oct 22;306(5696):619-21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Human Genetics and the Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX 77030, USA. nelson@bcm.tmc.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15499000" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chromosome Deletion ; Chromosomes, Human, Pair 21/*genetics ; Chromosomes, Mammalian/*genetics ; Craniofacial Abnormalities/genetics ; Crosses, Genetic ; *Disease Models, Animal ; Down Syndrome/*genetics/pathology ; Female ; Gene Duplication ; Humans ; Male ; Mice ; Recombination, Genetic ; Skull/abnormalities ; *Trisomy
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  • 94
    Publication Date: 2004-12-14
    Description: We report a draft sequence for the genome of the domesticated silkworm (Bombyx mori), covering 90.9% of all known silkworm genes. Our estimated gene count is 18,510, which exceeds the 13,379 genes reported for Drosophila melanogaster. Comparative analyses to fruitfly, mosquito, spider, and butterfly reveal both similarities and differences in gene content.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Xia, Qingyou -- Zhou, Zeyang -- Lu, Cheng -- Cheng, Daojun -- Dai, Fangyin -- Li, Bin -- Zhao, Ping -- Zha, Xingfu -- Cheng, Tingcai -- Chai, Chunli -- Pan, Guoqing -- Xu, Jinshan -- Liu, Chun -- Lin, Ying -- Qian, Jifeng -- Hou, Yong -- Wu, Zhengli -- Li, Guanrong -- Pan, Minhui -- Li, Chunfeng -- Shen, Yihong -- Lan, Xiqian -- Yuan, Lianwei -- Li, Tian -- Xu, Hanfu -- Yang, Guangwei -- Wan, Yongji -- Zhu, Yong -- Yu, Maode -- Shen, Weide -- Wu, Dayang -- Xiang, Zhonghuai -- Yu, Jun -- Wang, Jun -- Li, Ruiqiang -- Shi, Jianping -- Li, Heng -- Li, Guangyuan -- Su, Jianning -- Wang, Xiaoling -- Li, Guoqing -- Zhang, Zengjin -- Wu, Qingfa -- Li, Jun -- Zhang, Qingpeng -- Wei, Ning -- Xu, Jianzhe -- Sun, Haibo -- Dong, Le -- Liu, Dongyuan -- Zhao, Shengli -- Zhao, Xiaolan -- Meng, Qingshun -- Lan, Fengdi -- Huang, Xiangang -- Li, Yuanzhe -- Fang, Lin -- Li, Changfeng -- Li, Dawei -- Sun, Yongqiao -- Zhang, Zhenpeng -- Yang, Zheng -- Huang, Yanqing -- Xi, Yan -- Qi, Qiuhui -- He, Dandan -- Huang, Haiyan -- Zhang, Xiaowei -- Wang, Zhiqiang -- Li, Wenjie -- Cao, Yuzhu -- Yu, Yingpu -- Yu, Hong -- Li, Jinhong -- Ye, Jiehua -- Chen, Huan -- Zhou, Yan -- Liu, Bin -- Wang, Jing -- Ye, Jia -- Ji, Hai -- Li, Shengting -- Ni, Peixiang -- Zhang, Jianguo -- Zhang, Yong -- Zheng, Hongkun -- Mao, Bingyu -- Wang, Wen -- Ye, Chen -- Li, Songgang -- Wang, Jian -- Wong, Gane Ka-Shu -- Yang, Huanming -- Biology Analysis Group -- 1 P50 HG02351/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 2004 Dec 10;306(5703):1937-40.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Southwest Agricultural University, Chongqing Beibei, 400716, China. xiaqy@swau.cq.cn〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15591204" target="_blank"〉PubMed〈/a〉
    Keywords: Algorithms ; Animals ; Anopheles/genetics ; Body Patterning/genetics ; Bombyx/*genetics/growth & development/metabolism ; Butterflies/genetics ; Computational Biology ; DNA Transposable Elements ; Drosophila melanogaster/genetics ; Exocrine Glands/metabolism ; Expressed Sequence Tags ; Female ; Genes, Homeobox ; *Genes, Insect ; *Genome ; Immunity, Innate/genetics ; Insect Hormones/genetics ; Insect Proteins/genetics ; Male ; Molecular Sequence Data ; *Sequence Analysis, DNA ; Sequence Homology, Nucleic Acid ; Sex Determination Processes ; Spiders/genetics ; Wings, Animal/growth & development
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  • 95
    Publication Date: 2004-07-03
    Description: Analysis of developmental plasticity of bone marrow-derived cells (BMDCs) is complicated by the possibility of cell-cell fusion. Here we demonstrate that epithelial cells can develop from BMDCs without cell-cell fusion. We use the Cre/lox system together with beta-galactosidase and enhanced green fluorescent protein expression in transgenic mice to identify epithelial cells in the lung, liver, and skin that develop from BMDCs without cell fusion.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Harris, Robert G -- Herzog, Erica L -- Bruscia, Emanuela M -- Grove, Joanna E -- Van Arnam, John S -- Krause, Diane S -- DK61846/DK/NIDDK NIH HHS/ -- HL073742/HL/NHLBI NIH HHS/ -- HL63357/HL/NHLBI NIH HHS/ -- T32-HL07778/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2004 Jul 2;305(5680):90-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT 06520, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15232107" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bone Marrow Cells/*physiology ; *Bone Marrow Transplantation ; Cell Differentiation ; *Cell Fusion ; Cobra Cardiotoxin Proteins/pharmacology ; Elapid Venoms/pharmacology ; Epithelial Cells/*cytology/metabolism ; Female ; Green Fluorescent Proteins ; Hepatocytes/cytology/metabolism ; Keratinocytes/cytology/metabolism ; Keratins/analysis ; Luminescent Proteins/metabolism ; Male ; Mice ; Mice, Transgenic ; Muscle Cells/cytology ; Radiation, Ionizing ; Recombinases/metabolism ; Recombination, Genetic ; Reverse Transcriptase Polymerase Chain Reaction ; Stem Cells/cytology/*physiology ; X Chromosome ; Y Chromosome ; beta-Galactosidase/biosynthesis/genetics
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  • 96
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-08-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Allison, Edward H -- Seeley, Janet A -- New York, N.Y. -- Science. 2004 Aug 20;305(5687):1104.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15326332" target="_blank"〉PubMed〈/a〉
    Keywords: Asia/epidemiology ; Female ; Fisheries ; HIV Infections/*epidemiology/transmission ; Humans ; Male ; Occupations ; Prevalence ; Sexual Partners ; *Transients and Migrants
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  • 97
    Publication Date: 2004-08-03
    Description: We describe a new genus, Osedax, and two new species of annelids with females that consume the bones of dead whales via ramifying roots. Molecular and morphological evidence revealed that Osedax belongs to the Siboglinidae, which includes pogonophoran and vestimentiferan worms from deep-sea vents, seeps, and anoxic basins. Osedax has skewed sex ratios with numerous dwarf (paedomorphic) males that live in the tubes of females. DNA sequences reveal that the two Osedax species diverged about 42 million years ago and currently maintain large populations ranging from 10(5) to 10(6) adult females.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rouse, G W -- Goffredi, S K -- Vrijenhoek, R C -- New York, N.Y. -- Science. 2004 Jul 30;305(5684):668-71.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉South Australian Museum, North Terrace, Adelaide SA 5000, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15286372" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bacterial Physiological Phenomena ; Bone Marrow/metabolism ; Bone and Bones/*metabolism ; Female ; Male ; Phylogeny ; Polychaeta/anatomy & histology/*classification/microbiology/*physiology ; Population Density ; Seawater ; Sex Characteristics ; Sex Ratio ; Symbiosis ; Terminology as Topic ; Whales
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  • 98
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-04-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Young, Kevin V -- Brodie, Edmund D Jr -- Brodie, Edmund D 3rd -- New York, N.Y. -- Science. 2004 Apr 2;304(5667):65.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Utah State University, Logan, UT 84322-5305, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15001716" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Female ; Lizards/*anatomy & histology ; Male ; *Predatory Behavior ; *Selection, Genetic ; *Songbirds
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  • 99
    Publication Date: 2004-01-31
    Description: It is generally accepted that paternally imprinted X inactivation occurs exclusively in extraembryonic lineages of mouse embryos, whereas cells of the embryo proper, derived from the inner cell mass (ICM), undergo only random X inactivation. Here we show that imprinted X inactivation, in fact, occurs in all cells of early embryos and that the paternal X is then selectively reactivated in cells allocated to the ICM. This contrasts with more differentiated cell types where X inactivation is highly stable and generally irreversible. Our observations illustrate that an important component of genome plasticity in early development is the capacity to reverse heritable gene silencing decisions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mak, Winifred -- Nesterova, Tatyana B -- de Napoles, Mariana -- Appanah, Ruth -- Yamanaka, Shinya -- Otte, Arie P -- Brockdorff, Neil -- New York, N.Y. -- Science. 2004 Jan 30;303(5658):666-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉X inactivation group, MRC Clinical Sciences Centre, ICSM, Hammersmith Hospital, London, W12 0NN, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14752160" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylation ; Animals ; Blastocyst/physiology ; Cell Cycle Proteins/genetics/metabolism ; Chromosomal Proteins, Non-Histone/genetics/metabolism ; Chromosomes, Mammalian/physiology ; *Dosage Compensation, Genetic ; Embryo, Mammalian/*physiology ; Embryonic and Fetal Development ; Female ; *Gene Expression Regulation, Developmental ; Genomic Imprinting ; Histones/metabolism ; Male ; Methylation ; Mice ; Mice, Inbred C57BL ; Mice, Inbred CBA ; Morula/physiology ; Polycomb Repressive Complex 2 ; Proteins/genetics/metabolism ; RNA, Long Noncoding ; RNA, Untranslated/genetics/metabolism ; Repressor Proteins/genetics/metabolism ; X Chromosome/*physiology
    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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  • 100
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2004-12-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cho, Adrian -- New York, N.Y. -- Science. 2004 Dec 24;306(5705):2169.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15618491" target="_blank"〉PubMed〈/a〉
    Keywords: *Accidents, Occupational ; Burns, Electric/*etiology ; California ; Humans ; Laboratories/organization & administration/*standards ; Male ; *Particle Accelerators
    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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