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  • 1
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    Language discrimination by human newborns and by cotton-top tamarin monkeys (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2000-04-15
    Description: Humans, but no other animal, make meaningful use of spoken language. What is unclear, however, is whether this capacity depends on a unique constellation of perceptual and neurobiological mechanisms or whether a subset of such mechanisms is shared with other organisms. To explore this problem, parallel experiments were conducted on human newborns and cotton-top tamarin monkeys to assess their ability to discriminate unfamiliar languages. A habituation-dishabituation procedure was used to show that human newborns and tamarins can discriminate sentences from Dutch and Japanese but not if the sentences are played backward. Moreover, the cues for discrimination are not present in backward speech. This suggests that the human newborns' tuning to certain properties of speech relies on general processes of the primate auditory system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ramus, F -- Hauser, M D -- Miller, C -- Morris, D -- Mehler, J -- P51RR00168-37/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 2000 Apr 14;288(5464):349-51.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratoire de Sciences Cognitives et Psycholinguistique, l'Ecole des Hautes Etudes en Sciences Sociales/Centre National de la Recherche Scientifique, 54 Boulevard Raspail, 75006 Paris, France. f.ramus@ucl.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10764650" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cues ; Habituation, Psychophysiologic ; Humans ; Infant, Newborn ; *Language Development ; Saguinus ; *Speech Perception
    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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  • 2
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    Structural mechanism for STI-571 inhibition of abelson tyrosine kinase (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2000-09-16
    Description: The inadvertent activation of the Abelson tyrosine kinase (Abl) causes chronic myelogenous leukemia (CML). A small-molecule inhibitor of Abl (STI-571) is effective in the treatment of CML. We report the crystal structure of the catalytic domain of Abl, complexed to a variant of STI-571. Critical to the binding of STI-571 is the adoption by the kinase of an inactive conformation, in which a centrally located "activation loop" is not phosphorylated. The conformation of this loop is distinct from that in active protein kinases, as well as in the inactive form of the closely related Src kinases. These results suggest that compounds that exploit the distinctive inactivation mechanisms of individual protein kinases can achieve both high affinity and high specificity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schindler, T -- Bornmann, W -- Pellicena, P -- Miller, W T -- Clarkson, B -- Kuriyan, J -- GM29362/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2000 Sep 15;289(5486):1938-42.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratories of Molecular Biophysics and Howard Hughes Medical Institute, The Rockefeller University, 1230 York Avenue, New York, NY 10021, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10988075" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antineoplastic Agents/chemistry/*pharmacology ; Benzamides ; Catalytic Domain ; Crystallography, X-Ray ; Enzyme Activation ; Enzyme Inhibitors/chemistry/*pharmacology ; Humans ; Imatinib Mesylate ; Mice ; Models, Molecular ; Phosphorylation ; *Piperazines ; Protein Conformation ; Proto-Oncogene Proteins c-abl/*antagonists & inhibitors/chemistry/metabolism ; Pyrimidines/chemistry/*pharmacology ; Recombinant Fusion Proteins ; Structure-Activity Relationship
    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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  • 3
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    Control of a mucosal challenge and prevention of AIDS by a multiprotein DNA/MVA vaccine (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-06-08
    Description: Heterologous prime/boost regimens have the potential for raising high levels of immune responses. Here we report that DNA priming followed by a recombinant modified vaccinia Ankara (rMVA) booster controlled a highly pathogenic immunodeficiency virus challenge in a rhesus macaque model. Both the DNA and rMVA components of the vaccine expressed multiple immunodeficiency virus proteins. Two DNA inoculations at 0 and 8 weeks and a single rMVA booster at 24 weeks effectively controlled an intrarectal challenge administered 7 months after the booster. These findings provide hope that a relatively simple multiprotein DNA/MVA vaccine can help to control the acquired immune deficiency syndrome epidemic.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Amara, R R -- Villinger, F -- Altman, J D -- Lydy, S L -- O'Neil, S P -- Staprans, S I -- Montefiori, D C -- Xu, Y -- Herndon, J G -- Wyatt, L S -- Candido, M A -- Kozyr, N L -- Earl, P L -- Smith, J M -- Ma, H L -- Grimm, B D -- Hulsey, M L -- Miller, J -- McClure, H M -- McNicholl, J M -- Moss, B -- Robinson, H L -- P01 AI 43045/AI/NIAID NIH HHS/ -- P30 DA 12121/DA/NIDA NIH HHS/ -- P51 RR000165/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 2001 Apr 6;292(5514):69-74.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Vaccine Research Center and Yerkes Regional Primate Research Center, Emory University, Atlanta, GA 30329, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11393868" target="_blank"〉PubMed〈/a〉
    Keywords: AIDS Vaccines/administration & dosage/*immunology ; Acquired Immunodeficiency Syndrome/immunology/*prevention & control/virology ; Animals ; Antibodies, Viral/blood/immunology ; CD4-Positive T-Lymphocytes/immunology ; CD8-Positive T-Lymphocytes/immunology ; Germinal Center/immunology ; HIV Antibodies/blood/immunology ; HIV-1/genetics/immunology/physiology ; Immunity, Mucosal ; Immunization, Secondary ; Immunologic Memory ; Interferon-gamma/biosynthesis ; Lymph Nodes/immunology ; Macaca mulatta ; SAIDS Vaccines/administration & dosage/immunology ; Simian Acquired Immunodeficiency Syndrome/immunology/prevention & ; control/virology ; Simian Immunodeficiency Virus/genetics/immunology/physiology ; T-Lymphocytes/immunology ; Vaccines, DNA/administration & dosage/*immunology ; Vaccines, Synthetic/administration & dosage/immunology ; Vaccinia virus/immunology ; Viral Load
    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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  • 4
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    Categorical representation of visual stimuli in the primate prefrontal cortex (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-02-24
    Description: The ability to group stimuli into meaningful categories is a fundamental cognitive process. To explore its neural basis, we trained monkeys to categorize computer-generated stimuli as "cats" and "dogs." A morphing system was used to systematically vary stimulus shape and precisely define the category boundary. Neural activity in the lateral prefrontal cortex reflected the category of visual stimuli, even when a monkey was retrained with the stimuli assigned to new categories.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Freedman, D J -- Riesenhuber, M -- Poggio, T -- Miller, E K -- New York, N.Y. -- Science. 2001 Jan 12;291(5502):312-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Learning and Memory, 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/11209083" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain Mapping ; Cats ; Cognition ; Dogs ; Form Perception ; Haplorhini ; Learning ; Mental Processes/*physiology ; Neurons/*physiology ; Photic Stimulation ; Prefrontal Cortex/*physiology ; Temporal Lobe/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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  • 5
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    BRCA2 function in DNA binding and recombination from a BRCA2-DSS1-ssDNA structure (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-09-14
    Description: Mutations in the BRCA2 (breast cancer susceptibility gene 2) tumor suppressor lead to chromosomal instability due to defects in the repair of double-strand DNA breaks (DSBs) by homologous recombination, but BRCA2's role in this process has been unclear. Here, we present the 3.1 angstrom crystal structure of a approximately 90-kilodalton BRCA2 domain bound to DSS1, which reveals three oligonucleotide-binding (OB) folds and a helix-turn-helix (HTH) motif. We also (i) demonstrate that this BRCA2 domain binds single-stranded DNA, (ii) present its 3.5 angstrom structure bound to oligo(dT)9, (iii) provide data that implicate the HTH motif in dsDNA binding, and (iv) show that BRCA2 stimulates RAD51-mediated recombination in vitro. These findings establish that BRCA2 functions directly in homologous recombination and provide a structural and biochemical basis for understanding the loss of recombination-mediated DSB repair in BRCA2-associated cancers.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yang, Haijuan -- Jeffrey, Philip D -- Miller, Julie -- Kinnucan, Elspeth -- Sun, Yutong -- Thoma, Nicolas H -- Zheng, Ning -- Chen, Phang-Lang -- Lee, Wen-Hwa -- Pavletich, Nikola P -- New York, N.Y. -- Science. 2002 Sep 13;297(5588):1837-48.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology, Sloan-Kettering Division, Joan and Sanford I. Weill Graduate School of Medical Sciences, Cornell University, New York, NY 10021, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12228710" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; BRCA2 Protein/*chemistry/genetics/*metabolism ; Binding Sites ; Crystallography, X-Ray ; DNA/metabolism ; *DNA Repair ; DNA, Single-Stranded/*metabolism ; DNA-Binding Proteins/metabolism ; Genes, BRCA2 ; Helix-Turn-Helix Motifs ; Humans ; Hydrogen Bonding ; Hydrophobic and Hydrophilic Interactions ; Mice ; Molecular Sequence Data ; Mutation ; Proteasome Endopeptidase Complex ; Protein Conformation ; Protein Folding ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Proteins/chemistry/*metabolism ; Rad51 Recombinase ; Rats ; *Recombination, Genetic
    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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  • 6
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    Sperm-female coevolution in Drosophila (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-11-09
    Description: Rapid evolution of reproductive traits has been attributed to sexual selection arising from interaction between the sexes. However, little is known about the nature of selection driving the evolution of interacting sex-specific phenotypes. Using populations of Drosophila melanogaster selected for divergent sperm length or female sperm-storage organ length, we experimentally show that male fertilization success is determined by an interaction between sperm and female morphology. In addition, sperm length evolution occurred as a correlated response to selection on the female reproductive tract. Giant sperm tails are the cellular equivalent of the peacock's tail, having evolved because females evolved reproductive tracts that selectively bias paternity in favor of males with longer sperm.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, Gary T -- Pitnick, Scott -- New York, N.Y. -- Science. 2002 Nov 8;298(5596):1230-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Syracuse University, 108 College Place, Syracuse, NY 13244, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12424377" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Copulation ; Drosophila melanogaster/*anatomy & histology/genetics/*physiology ; Female ; Fertilization ; Genitalia, Female/anatomy & histology/physiology ; Linkage Disequilibrium ; Male ; Selection, Genetic ; Sexual Behavior, Animal ; Sperm Tail/ultrastructure ; Spermatozoa/*cytology/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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  • 7
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    Two-photon imaging of lymphocyte motility and antigen response in intact lymph node (2002)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2002-05-23
    Description: Lymphocyte motility is vital for trafficking within lymphoid organs and for initiating contact with antigen-presenting cells. Visualization of these processes has previously been limited to in vitro systems. We describe the use of two-photon laser microscopy to image the dynamic behavior of individual living lymphocytes deep within intact lymph nodes. In their native environment, T cells achieved peak velocities of more than 25 micrometers per minute, displaying a motility coefficient that is five to six times that of B cells. Antigenic challenge changed T cell trajectories from random walks to "swarms" and stable clusters. Real-time two-photon imaging reveals lymphocyte behaviors that are fundamental to the initiation of the immune response.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, Mark J -- Wei, Sindy H -- Parker, Ian -- Cahalan, Michael D -- GM-41514/GM/NIGMS NIH HHS/ -- GM-48071/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2002 Jun 7;296(5574):1869-73. Epub 2002 May 16.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physiology and Biophysics, University of California, Irvine, CA 92697-4561, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12016203" target="_blank"〉PubMed〈/a〉
    Keywords: Adoptive Transfer ; Animals ; Antigen-Presenting Cells/immunology/physiology ; Antigens/*immunology ; B-Lymphocytes/cytology/immunology/physiology ; Cell Division ; Cell Movement ; Cell Size ; Fluoresceins ; Fluorescent Dyes ; Image Processing, Computer-Assisted ; Lasers ; Lymph Nodes/cytology/*immunology ; *Lymphocyte Activation ; Mice ; Mice, Inbred BALB C ; Microscopy/methods ; Motion Pictures as Topic ; Photons ; Rhodamines ; Succinimides ; T-Lymphocytes/cytology/immunology/*physiology ; Temperature
    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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  • 8
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    Gene therapy on trial (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2000-02-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, H I -- New York, N.Y. -- Science. 2000 Jan 28;287(5453):591-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10691538" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Clinical Protocols/standards ; Clinical Trials as Topic/*standards ; *Genetic Therapy ; Humans ; Informed Consent ; Ornithine Carbamoyltransferase Deficiency Disease/therapy ; Patient Selection ; United States ; *United States Food and Drug Administration
    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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  • 9
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    A sperm cytoskeletal protein that signals oocyte meiotic maturation and ovulation (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-03-17
    Description: Caenorhabditis elegans oocytes, like those of most animals, arrest during meiotic prophase. Sperm promote the resumption of meiosis (maturation) and contraction of smooth muscle-like gonadal sheath cells, which are required for ovulation. We show that the major sperm cytoskeletal protein (MSP) is a bipartite signal for oocyte maturation and sheath contraction. MSP also functions in sperm locomotion, playing a role analogous to actin. Thus, during evolution, MSP has acquired extracellular signaling and intracellular cytoskeletal functions for reproduction. Proteins with MSP-like domains are found in plants, fungi, and other animals, suggesting that related signaling functions may exist in other phyla.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, M A -- Nguyen, V Q -- Lee, M H -- Kosinski, M -- Schedl, T -- Caprioli, R M -- Greenstein, D -- CA09592/CA/NCI NIH HHS/ -- GM57173/GM/NIGMS NIH HHS/ -- GM58008/GM/NIGMS NIH HHS/ -- HD07043/HD/NICHD NIH HHS/ -- HD25614/HD/NICHD NIH HHS/ -- R01 GM057173/GM/NIGMS NIH HHS/ -- R01 HD025614/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 2001 Mar 16;291(5511):2144-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Biology, Mass Spectrometry Research Center, 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/11251118" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Caenorhabditis elegans/*physiology ; Carrier Proteins/chemistry/physiology ; Cytoskeleton/chemistry/physiology ; Disorders of Sex Development ; Enzyme Activation ; Evolution, Molecular ; Female ; Gonads/cytology/physiology ; Helminth Proteins/chemistry/immunology/pharmacology/*physiology ; MAP Kinase Signaling System ; Male ; *Meiosis ; Membrane Proteins/chemistry/physiology ; Microinjections ; Mitogen-Activated Protein Kinases/metabolism ; Molecular Sequence Data ; Oocytes/*physiology ; Ovulation ; Phylogeny ; Protein Folding ; Protein Structure, Tertiary ; Pseudopodia/physiology ; Recombinant Proteins/pharmacology ; Signal Transduction ; Sperm Motility ; Spermatozoa/chemistry/*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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  • 10
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    Developmental biology. Nerves tell arteries to make like a tree (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-06-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, Greg -- New York, N.Y. -- Science. 2002 Jun 21;296(5576):2121-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12077377" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arteries/*embryology ; Axons/physiology ; Body Patterning ; Endothelial Growth Factors/pharmacology/*physiology ; Humans ; Lymphokines/pharmacology/*physiology ; Mice ; Mobius Syndrome/pathology ; Morphogenesis ; Mutation ; Peripheral Nervous System/*embryology/metabolism ; Skin/blood supply/embryology/innervation ; Vascular Endothelial Growth Factor A ; Vascular Endothelial Growth Factors
    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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