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  • Male  (145)
  • Rats  (60)
  • American Association for the Advancement of Science (AAAS)  (195)
  • MDPI Publishing
  • PANGAEA
  • 1995-1999  (195)
  • 1995  (195)
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  • 1995-1999  (195)
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  • 1
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    Crystal structure of DCoH, a bifunctional, protein-binding transcriptional coactivator (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-04-28
    Description: DCoH, the dimerization cofactor of hepatocyte nuclear factor-1, stimulates gene expression by associating with specific DNA binding proteins and also catalyzes the dehydration of the biopterin cofactor of phenylalanine hydroxylase. The x-ray crystal structure determined at 3 angstrom resolution reveals that DCoH forms a tetramer containing two saddle-shaped grooves that comprise likely macromolecule binding sites. Two equivalent enzyme active sites flank each saddle, suggesting that there is a spatial connection between the catalytic and binding activities. Structural similarities between the DCoH fold and nucleic acid-binding proteins argue that the saddle motif has evolved to bind diverse ligands or that DCoH unexpectedly may bind nucleic acids.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Endrizzi, J A -- Cronk, J D -- Wang, W -- Crabtree, G R -- Alber, T -- New York, N.Y. -- Science. 1995 Apr 28;268(5210):556-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Cell Biology, University of California, Berkeley 94720-3206, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7725101" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Binding Sites ; Computer Graphics ; Crystallography, X-Ray ; Gene Expression Regulation ; Hydro-Lyases/*chemistry/metabolism ; Models, Molecular ; Molecular Sequence Data ; Protein Conformation ; Protein Folding ; Protein Structure, Secondary ; Rats ; Recombinant Fusion Proteins/chemistry/metabolism ; Transcription Factors/*chemistry/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Opposing effects of ERK and JNK-p38 MAP kinases on apoptosis (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-11-24
    Description: Apoptosis plays an important role during neuronal development, and defects in apoptosis may underlie various neurodegenerative disorders. To characterize molecular mechanisms that regulate neuronal apoptosis, the contributions to cell death of mitogen-activated protein (MAP) kinase family members, including ERK (extracellular signal-regulated kinase), JNK (c-JUN NH2-terminal protein kinase), and p38, were examined after withdrawal of nerve growth factor (NGF) from rat PC-12 pheochromocytoma cells. NGF withdrawal led to sustained activation of the JNK and p38 enzymes and inhibition of ERKs. The effects of dominant-interfering or constitutively activated forms of various components of the JNK-p38 and ERK signaling pathways demonstrated that activation of JNK and p38 and concurrent inhibition of ERK are critical for induction of apoptosis in these cells. Therefore, the dynamic balance between growth factor-activated ERK and stress-activated JNK-p38 pathways may be important in determining whether a cell survives or undergoes apoptosis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Xia, Z -- Dickens, M -- Raingeaud, J -- Davis, R J -- Greenberg, M E -- CA43855/CA/NCI NIH HHS/ -- CA65861/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1995 Nov 24;270(5240):1326-31.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurology, Children's Hospital, Harvard Medical School, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7481820" target="_blank"〉PubMed〈/a〉
    Keywords: Alkaloids/pharmacology ; Animals ; *Apoptosis ; Calcium-Calmodulin-Dependent Protein Kinases/*antagonists & ; inhibitors/genetics/*metabolism ; Cell Differentiation ; Enzyme Activation ; Genes, jun ; *JNK Mitogen-Activated Protein Kinases ; MAP Kinase Kinase 1 ; MAP Kinase Kinase 3 ; MAP Kinase Kinase 4 ; MAP Kinase Kinase Kinases ; Mitogen-Activated Protein Kinase 1 ; Mitogen-Activated Protein Kinase 3 ; *Mitogen-Activated Protein Kinase Kinases ; *Mitogen-Activated Protein Kinases ; Nerve Growth Factors/pharmacology ; Neurons/*cytology/enzymology ; PC12 Cells ; Protein Kinases/*metabolism ; Protein-Serine-Threonine Kinases/genetics/metabolism ; Protein-Tyrosine Kinases/*antagonists & inhibitors/genetics/metabolism ; Rats ; *Signal Transduction ; Staurosporine ; Sympathetic Nervous System/cytology ; p38 Mitogen-Activated Protein Kinases
    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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    FFA-1, a protein that promotes the formation of replication centers within nuclei (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-09-29
    Description: In the nuclei of eukaryotic cells, initiation of DNA replication occurs at a discrete number of foci. One component of these foci is the DNA replication factor RP-A. Here, the process leading to the association of RP-A with foci was reconstituted with cytosolic fractions derived from Xenopus eggs. With the use of this fractionated system, a 170-kilodalton protein required for the assembly of RP-A into foci was identified and purified. The protein appears to be an integral component of the foci at which replication of DNA is initiated in eukaryotic nuclei.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yan, H -- Newport, J -- GM33523/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1995 Sep 29;269(5232):1883-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of California, San Diego, Department of Biology, La Jolla, CA 92093, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7569932" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Nucleus/*metabolism ; Cell-Free System ; Cytosol/chemistry ; *DNA Replication ; DNA, Single-Stranded/metabolism ; DNA-Binding Proteins/*metabolism ; Female ; Male ; Molecular Weight ; Oocytes ; Orientation ; Proteins/chemistry/*metabolism ; Replication Protein A ; Xenopus
    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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    The control of calcium release in heart muscle (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-05-19
    Description: The control of calcium release from intracellular stores (the sarcoplasmic reticulum) in cardiac muscle was examined with the use of a confocal microscope and voltage clamp techniques. Depolarization evoked graded calcium release by altering the extent of spatial and temporal summation of elementary calcium release events called "calcium sparks." These evoked sparks were triggered by local L-type calcium channel currents in a stochastic manner, were similar at different potentials, and resembled spontaneous calcium sparks. Once triggered, the calcium release from the sarcoplasmic reticulum during a calcium spark was independent of the duration of the triggering calcium influx. These results were used to develop a unifying model for cardiac excitation-contraction coupling that explains the large (but paradoxically stable) amplification of the trigger calcium influx by a combination of digital and analog behavior.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cannell, M B -- Cheng, H -- Lederer, W J -- HL25675/HL/NHLBI NIH HHS/ -- HL36974/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1995 May 19;268(5213):1045-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology and Clinical Pharmacology, St. George's Hospital Medical School, London, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7754384" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Calcium/*metabolism ; Calcium Channels/*physiology ; In Vitro Techniques ; Ion Channel Gating/physiology ; Membrane Potentials/physiology ; Microscopy, Confocal ; Muscle Proteins/physiology ; Myocardium/*metabolism ; Patch-Clamp Techniques ; Probability ; Rats ; Ryanodine Receptor Calcium Release Channel ; Sarcoplasmic Reticulum/metabolism
    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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    Requirement for phosphatidylinositol-3 kinase in the prevention of apoptosis by nerve growth factor (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-03-31
    Description: Nerve growth factor (NGF) induces both differentiation and survival of neurons by binding to the Trk receptor protein tyrosine kinase. Although Ras is required for differentiation, it was not required for NGF-mediated survival of rat pheochromocytoma PC-12 cells in serum-free medium. However, the ability of NGF to prevent apoptosis (programmed cell death) was inhibited by wortmannin or LY294002, two specific inhibitors of phosphatidylinositol (Pl)-3 kinase. Moreover, platelet-derived growth factor (PDGF) prevented apoptosis of PC-12 cells expressing the wild-type PDGF receptor, but not of cells expressing a mutant receptor that failed to activate Pl-3 kinase. Cell survival thus appears to be mediated by a Pl-3 kinase signaling pathway distinct from the pathway that mediates differentiation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yao, R -- Cooper, G M -- R01 CA 18689/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1995 Mar 31;267(5206):2003-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Molecular Genetics, Dana-Farber Cancer Institute, Boston, MA, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7701324" target="_blank"〉PubMed〈/a〉
    Keywords: Androstadienes/pharmacology ; Animals ; Apoptosis/*drug effects ; Cell Differentiation ; Cell Survival/drug effects ; Enzyme Activation ; Nerve Growth Factors/*pharmacology ; PC12 Cells ; Phosphatidylinositol 3-Kinases ; Phosphotransferases (Alcohol Group Acceptor)/*metabolism ; Platelet-Derived Growth Factor/pharmacology ; Rats ; Receptors, Platelet-Derived Growth Factor/metabolism ; *Signal Transduction ; ras Proteins/metabolism
    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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    Key NASA lab under fire for animal care practices (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-06-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lawler, A -- New York, N.Y. -- Science. 1995 Jun 23;268(5218):1692.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7792586" target="_blank"〉PubMed〈/a〉
    Keywords: Animal Welfare/*standards ; Animals ; Rats ; Research/*standards ; United States ; *United States National Aeronautics and Space 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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  • 7
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    Dissociation of synchronization and excitability in furosemide blockade of epileptiform activity (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-10-06
    Description: Furosemide, a chloride cotransport inhibitor, reversibly blocked synchronized burst discharges in hippocampal slices without reducing the pyramidal cell response to single electrical stimuli. Images of the intrinsic optical signal acquired during these slice experiments indicated that furosemide coincidentally blocked changes in extracellular space. In urethane-anesthetized rats, systemically injected furosemide blocked kainic acid-induced electrical discharges recorded from cortex. These results suggest that (i) neuronal synchronization involved in epileptiform activity can be dissociated from synaptic excitability; (ii) nonsynaptic mechanisms, possibly associated with furosemide-sensitive cell volume regulation, may be critical for synchronization of neuronal activity; and (iii) agents that affect extracellular volume may have clinical utility as antiepileptic drugs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hochman, D W -- Baraban, S C -- Owens, J W -- Schwartzkroin, P A -- NS07144/NS/NINDS NIH HHS/ -- NS15317/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1995 Oct 6;270(5233):99-102.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurological Surgery, University of Washington, Seattle 98195, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7569957" target="_blank"〉PubMed〈/a〉
    Keywords: 4-Aminopyridine/pharmacology ; Animals ; Anticonvulsants/*pharmacology ; Bicuculline/pharmacology ; Electric Stimulation ; Entorhinal Cortex/physiology ; Extracellular Space/drug effects/physiology ; Female ; Furosemide/*pharmacology ; Hippocampus/drug effects/*physiology ; In Vitro Techniques ; Kainic Acid/pharmacology ; Magnesium/pharmacology ; Male ; Membrane Potentials/drug effects ; Potassium/pharmacology ; Pyramidal Cells/drug effects/*physiology ; Rats ; Rats, Sprague-Dawley ; Status Epilepticus/chemically induced/*physiopathology ; Synaptic Transmission/drug effects
    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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    Calcium sparks in vascular smooth muscle: relaxation regulators (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-10-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fay, F S -- HL14523/HL/NHLBI NIH HHS/ -- HL47530/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1995 Oct 27;270(5236):588-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physiology, University of Massachusetts Medical School, Worchester 01605, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7570016" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blood Pressure ; Calcium/*metabolism ; Calcium Channels/metabolism ; Cell Membrane/metabolism ; Cerebral Arteries/physiology ; Membrane Potentials ; Muscle Proteins/metabolism ; *Muscle Relaxation ; Muscle, Smooth, Vascular/metabolism/*physiology ; Potassium Channels/metabolism ; Protein Kinases/metabolism ; Rats ; Ryanodine Receptor Calcium Release Channel ; Sarcoplasmic Reticulum/metabolism ; Vasoconstriction ; Vasodilation
    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 neuropeptide gene defined by the Drosophila memory mutant amnesiac (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-05-12
    Description: Mutations in genes required for associative learning and memory in Drosophila exist, but isolation of the genes has been difficult because most are defined by a single, chemically induced allele. Here, a simplified genetic screen was used to identify candidate genes involved in learning and memory. Second site suppressors of the dunce (dnc) female sterility phenotype were isolated with the use of transposon mutagenesis. One suppressor mutation that was recovered mapped in the amnesiac (amn) gene. Cloning of the locus revealed that amn encodes a previously uncharacterized neuropeptide gene. Thus, with the cloning of amn, specific neuropeptides are implicated in the memory process.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Feany, M B -- Quinn, W G -- New York, N.Y. -- Science. 1995 May 12;268(5212):869-73.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurobiology, Harvard Medical School, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7754370" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cloning, Molecular ; Codon ; DNA Transposable Elements ; DNA, Complementary/genetics ; Drosophila/*genetics/physiology ; *Drosophila Proteins ; Female ; *Genes, Insect ; Growth Hormone-Releasing Hormone/chemistry/genetics ; Male ; Memory/*physiology ; Molecular Sequence Data ; Mutagenesis, Insertional ; Mutation ; Neuropeptides/chemistry/*genetics ; Pituitary Adenylate Cyclase-Activating Polypeptide ; Sequence Homology, Amino Acid ; Suppression, 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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  • 10
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    Requirement of FGF-4 for postimplantation mouse development (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-01-13
    Description: Fibroblast growth factors (FGFs) are thought to influence many processes in vertebrate development because of their diverse sites of expression and wide range of biological activities in in vitro culture systems. As a means of elucidating embryonic functions of FGF-4, gene targeting was used to generate mice harboring a disrupted Fgf4 gene. Embryos homozygous for the null allele underwent uterine implantation and induced uterine decidualization but did not develop substantially thereafter. As was consistent with their behavior in vivo, Fgf4 null embryos cultured in vitro displayed severely impaired proliferation of the inner cell mass, whereas growth and differentiation of the inner cell mass were rescued when null embryos were cultured in the presence of FGF-4 protein.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Feldman, B -- Poueymirou, W -- Papaioannou, V E -- DeChiara, T M -- Goldfarb, M -- HD21988/HD/NICHD NIH HHS/ -- HD27198/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1995 Jan 13;267(5195):246-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Integrated Program in Cellular, Molecular, and Biophysical Studies, Columbia University College of Physicians and Surgeons, New York, NY 10032.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7809630" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Blastocyst/cytology/physiology ; Crosses, Genetic ; Culture Techniques ; Embryonic Development/*physiology ; Embryonic and Fetal Development/*physiology ; Female ; Fibroblast Growth Factor 4 ; Fibroblast Growth Factors/genetics/pharmacology/*physiology ; Gene Targeting ; Heterozygote ; Male ; Mice ; Mice, Inbred C57BL ; Molecular Sequence Data ; Morula/drug effects/physiology ; Phenotype ; Pregnancy ; Proto-Oncogene Proteins/genetics/pharmacology/*physiology ; Recombinant Proteins/pharmacology
    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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  • 11
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    Mutations in Fas associated with human lymphoproliferative syndrome and autoimmunity (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-06-02
    Description: Fas (also known as Apo1 and CD95) is a cell surface receptor involved in apoptotic cell death. Fas expression and function were analyzed in three children (including two siblings) with a lymphoproliferative syndrome, two of whom also had autoimmune disorders. A large deletion in the gene encoding Fas and no detectable cell surface expression characterized the most affected patient. Clinical manifestations in the two related patients were less severe: Fas-mediated apoptosis was impaired and a deletion within the intracytoplasmic domain was detected. These findings illustrate the crucial regulatory role of Fas and may provide a molecular basis for some autoimmune diseases in humans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rieux-Laucat, F -- Le Deist, F -- Hivroz, C -- Roberts, I A -- Debatin, K M -- Fischer, A -- de Villartay, J P -- New York, N.Y. -- Science. 1995 Jun 2;268(5215):1347-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institut National de la Sante et de la Recherche Medicale (INSERM) U 429, Hopital Necker-Enfants Malades, Paris, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7539157" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Antigens, CD95 ; Antigens, Surface/chemistry/*genetics/physiology ; Apoptosis ; Autoimmune Diseases/*genetics/immunology/pathology ; Base Sequence ; Child ; Female ; *Frameshift Mutation ; Humans ; Infant ; Lymphoproliferative Disorders/*genetics/immunology/pathology ; Male ; Molecular Sequence Data ; Sequence Deletion ; Syndrome ; Thrombocytopenia/genetics/immunology/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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  • 12
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    Aggressive behavior and altered amounts of brain serotonin and norepinephrine in mice lacking MAOA (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-06-23
    Description: Deficiency in monoamine oxidase A (MAOA), an enzyme that degrades serotonin and norepinephrine, has recently been shown to be associated with aggressive behavior in men of a Dutch family. A line of transgenic mice was isolated in which transgene integration caused a deletion in the gene encoding MAOA, providing an animal model of MAOA deficiency. In pup brains, serotonin concentrations were increased up to ninefold, and serotonin-like immunoreactivity was present in catecholaminergic neurons. In pup and adult brains, norepinephrine concentrations were increased up to twofold, and cytoarchitectural changes were observed in the somatosensory cortex. Pup behavioral alterations, including trembling, difficulty in righting, and fearfulness were reversed by the serotonin synthesis inhibitor parachlorophenylalanine. Adults manifested a distinct behavioral syndrome, including enhanced aggression in males.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2844866/" 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/PMC2844866/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cases, O -- Seif, I -- Grimsby, J -- Gaspar, P -- Chen, K -- Pournin, S -- Muller, U -- Aguet, M -- Babinet, C -- Shih, J C -- K05 MH 00796/MH/NIMH NIH HHS/ -- R01 MH 37020/MH/NIMH NIH HHS/ -- R37 MH 39085/MH/NIMH NIH HHS/ -- R37 MH039085/MH/NIMH NIH HHS/ -- R37 MH039085-23/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 1995 Jun 23;268(5218):1763-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre National de la Recherche Scientifique (CNRS), Unite de Recherche Associee (URA), Institut Curie, Orsay, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7792602" target="_blank"〉PubMed〈/a〉
    Keywords: Aggression/*physiology ; Amino Acid Sequence ; Animals ; Base Sequence ; Blotting, Southern ; Brain/*metabolism ; Disease Models, Animal ; Dopamine/metabolism ; Female ; Interferon-beta/genetics ; Male ; Mice ; Mice, Inbred C3H ; Mice, Transgenic ; Molecular Sequence Data ; Monoamine Oxidase/*deficiency ; Norepinephrine/*metabolism ; Sequence Deletion ; Serotonin/*metabolism
    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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  • 13
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    The complexities of conception (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-07-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Aitken, R J -- New York, N.Y. -- Science. 1995 Jul 7;269(5220):39-40.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Reproductive Biology Unit, Medical Research Council, Edinburgh, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7604276" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Egg Proteins/*metabolism ; Female ; Humans ; Lectins/metabolism ; Male ; Membrane Glycoproteins/*metabolism ; Mice ; Phosphorylation ; Proto-Oncogene Proteins ; Receptor Protein-Tyrosine Kinases/*metabolism ; Receptors, Cell Surface/*metabolism ; Sperm-Ovum Interactions/*physiology ; Spermatozoa/metabolism ; Zona Pellucida/*metabolism
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  • 14
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    Translational suppression by trinucleotide repeat expansion at FMR1 (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-05-05
    Description: Fragile X syndrome is the result of the unstable expansion of a trinucleotide repeat in the 5'-untranslated region of the FMR1 gene. Fibroblast subclones from a mildly affected patient, each containing stable FMR1 alleles with 57 to 285 CGG repeats, were shown to exhibit normal steady-state levels of FMR1 messenger RNA. However, FMR protein was markedly diminished from transcript with more than 200 repeats. Such transcripts were associated with stalled 40S ribosomal subunits. These results suggest that a structural RNA transition beyond 200 repeats impedes the linear 40S migration along the 5'-untranslated region. This results in translational inhibition by trinucleotide repeat expansion.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Feng, Y -- Zhang, F -- Lokey, L K -- Chastain, J L -- Lakkis, L -- Eberhart, D -- Warren, S T -- HD20521/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1995 May 5;268(5211):731-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Emory University School of Medicine, Atlanta, GA 30322.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7732383" target="_blank"〉PubMed〈/a〉
    Keywords: Centrifugation, Density Gradient ; Clone Cells ; Down-Regulation/genetics ; Female ; Fibroblasts/chemistry ; Fragile X Mental Retardation Protein ; Fragile X Syndrome/*genetics ; Humans ; Infant ; Male ; Nerve Tissue Proteins/*genetics ; Polymerase Chain Reaction ; Protein Biosynthesis/*genetics ; RNA, Messenger/analysis ; *RNA-Binding Proteins ; Repetitive Sequences, Nucleic Acid/*genetics
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 15
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    Immune system impairment and hepatic fibrosis in mice lacking the dioxin-binding Ah receptor (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-05-05
    Description: The aryl hydrocarbon (Ah) receptor (AHR) mediates many carcinogenic and teratogenic effects of environmentally toxic chemicals such as dioxin. An AHR-deficient (Ahr-/-) mouse line was constructed by homologous recombination in embryonic stem cells. Almost half of the mice died shortly after birth, whereas survivors reached maturity and were fertile. The Ahr-/- mice showed decreased accumulation of lymphocytes in the spleen and lymph nodes, but not in the thymus. The livers of Ahr-/- mice were reduced in size by 50 percent and showed bile duct fibrosis Ahr-/- mice were also nonresponsive with regard to dioxin-mediated induction of genes encoding enzymes that catalyze the metabolism of foreign compounds. Thus, the AHR plays an important role in the development of the liver and the immune system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fernandez-Salguero, P -- Pineau, T -- Hilbert, D M -- McPhail, T -- Lee, S S -- Kimura, S -- Nebert, D W -- Rudikoff, S -- Ward, J M -- Gonzalez, F J -- P30 ES06096/ES/NIEHS NIH HHS/ -- R01 ES06811/ES/NIEHS NIH HHS/ -- New York, N.Y. -- Science. 1995 May 5;268(5211):722-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Molecular Carcinogenesis, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7732381" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Female ; Gene Expression Regulation/physiology ; Immunity/*physiology ; Liver/*physiology ; Liver Cirrhosis, Experimental/genetics/pathology ; Lymphoid Tissue/pathology ; Male ; Mice ; Mice, Inbred C57BL ; Mice, Knockout ; Receptors, Aryl Hydrocarbon/genetics/*physiology
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  • 16
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    Global approaches to the promotion of women's health (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-08-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mongella, G -- New York, N.Y. -- Science. 1995 Aug 11;269(5225):789-90.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Fourth World Conference on Women, United Nations, New York, NY 10017, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7638591" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/epidemiology/transmission ; Aging ; Biomedical Research ; Female ; *Global Health ; Health Promotion ; Humans ; *Internationality ; Life Expectancy ; Male ; Neoplasms/epidemiology ; Poverty ; Research ; Research Support as Topic ; Resource Allocation ; Sex Characteristics ; Violence ; *Women's Health ; Women's Health Services ; World Health Organization
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 17
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    Genetic feminization of brain structures and changed sexual orientation in male Drosophila (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-02-10
    Description: The neural basis of sexual orientation in Drosophila was studied by the production of males with regionally feminized brains. Such flies express the female form of the sex determination gene transformer in a limited number of neurons under the control of GAL4 enhancer trap inserts. This method facilitated the creation of lines with a stable pattern of feminization. In tests of sexual preferences, flies that were feminized in a portion of the antennal lobes or in a subset of the corpora pedunculata (mushroom bodies) courted both males and females. These two brain structures, both of which are involved in olfactory processing, may function in the recognition of sex-specific pheromones, in the control of sex-specific behaviors, or both.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ferveur, J F -- Stortkuhl, K F -- Stocker, R F -- Greenspan, R J -- New York, N.Y. -- Science. 1995 Feb 10;267(5199):902-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, New York University, NY 10003.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7846534" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bisexuality ; Brain/physiology ; Drosophila melanogaster/genetics/*physiology ; Female ; *Genes, Insect ; Male ; Sex Attractants/physiology ; Sexual Behavior, Animal ; Smell
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  • 18
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    Cytostatic gene therapy for vascular proliferative disorders with a constitutively active form of the retinoblastoma gene product (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-01-27
    Description: Vascular smooth muscle cell (SMC) proliferation in response to injury is an important etiologic factor in vascular proliferative disorders such as atherosclerosis and restenosis after balloon angioplasty. The retinoblastoma gene product (Rb) is present in the unphosphorylated and active form in quiescent primary arterial SMCs, but is rapidly inactivated by phosphorylation in response to growth factor stimulation in vitro. A replication-defective adenovirus encoding a nonphosphorylatable, constitutively active form of Rb was constructed. Infection of cultured primary rat aortic SMCs with this virus inhibited growth factor-stimulated cell proliferation in vitro. Localized arterial infection with the virus at the time of balloon angioplasty significantly reduced SMC proliferation and neointima formation in both the rat carotid and porcine femoral artery models of restenosis. These results demonstrate the role of Rb in regulating vascular SMC proliferation and suggest a gene therapy approach for vascular proliferative disorders associated with arterial injury.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chang, M W -- Barr, E -- Seltzer, J -- Jiang, Y Q -- Nabel, G J -- Nabel, E G -- Parmacek, M S -- Leiden, J M -- New York, N.Y. -- Science. 1995 Jan 27;267(5197):518-22.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, University of Chicago, IL 60637.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7824950" target="_blank"〉PubMed〈/a〉
    Keywords: Adenoviridae/genetics/physiology ; Angioplasty, Balloon ; Animals ; Base Sequence ; Blood ; Carotid Arteries/virology ; Cell Division ; Disease Models, Animal ; Femoral Artery/virology ; *Genes, Retinoblastoma ; *Genetic Therapy ; Genetic Vectors ; Humans ; Molecular Sequence Data ; Muscle, Smooth, Vascular/*cytology/pathology/virology ; Rats ; Rats, Sprague-Dawley ; Retinoblastoma Protein/*physiology ; Swine ; Vascular Diseases/pathology/*therapy
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 19
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    Regeneration and mammalian auditory hair cells (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-02-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chardin, S -- Romand, R -- New York, N.Y. -- Science. 1995 Feb 3;267(5198):707-11.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7839151" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Survival/drug effects ; Cilia/ultrastructure ; Culture Media ; Hair Cells, Auditory, Inner/drug effects/*physiology/ultrastructure ; Hair Cells, Auditory, Outer/drug effects/*physiology/ultrastructure ; Neomycin/pharmacology ; Organ Culture Techniques ; Organ of Corti/drug effects/physiology/ultrastructure ; Rats ; Rats, Sprague-Dawley ; Regeneration/*drug effects ; Tretinoin/*pharmacology
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  • 20
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    Attacking the causes of "silent" infertility (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-08-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Morell, V -- New York, N.Y. -- Science. 1995 Aug 11;269(5225):775-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7638588" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Chlamydia Infections/complications/immunology ; Endometriosis/*complications/genetics ; Female ; Genetic Predisposition to Disease ; Humans ; Infertility, Female/*etiology/genetics ; Infertility, Male/etiology ; Leiomyoma/*complications/genetics ; Male ; Sexually Transmitted Diseases/*complications/epidemiology/immunology ; Uterine Neoplasms/*complications/genetics
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  • 21
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    Mutations of keratinocyte transglutaminase in lamellar ichthyosis (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-01-27
    Description: Lamellar ichthyosis is a severe congenital skin disorder characterized by generalized large scales and variable redness. Affected individuals in three families exhibited drastically reduced keratinocyte transglutaminase (TGK) activity. In two of these families, expression of TGK transcripts was diminished or abnormal and no TGK protein was detected. Homozygous or compound heterozygous mutations of the TGK gene were identified in all families. These data suggest that defects in TGK cause lamellar ichthyosis and that intact cross-linkage of cornified cell envelopes is required for epidermal tissue homeostasis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Huber, M -- Rettler, I -- Bernasconi, K -- Frenk, E -- Lavrijsen, S P -- Ponec, M -- Bon, A -- Lautenschlager, S -- Schorderet, D F -- Hohl, D -- New York, N.Y. -- Science. 1995 Jan 27;267(5197):525-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Dermatology, Centre Hospitalier Universitaire Vandois (CHUV), Hopital de Beaumont, Lausanne, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7824952" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Cell Membrane/metabolism ; Cells, Cultured ; Codon ; Female ; Gene Deletion ; Genetic Linkage ; Heterozygote ; Homozygote ; Humans ; Ichthyosis, Lamellar/enzymology/*genetics ; Introns ; Keratinocytes/*enzymology/ultrastructure ; Male ; Membrane Proteins/metabolism ; Molecular Sequence Data ; Mutation ; Pedigree ; Point Mutation ; Protein Precursors/metabolism ; Transglutaminases/*genetics/metabolism
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 22
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    Zeroing in on how hormones affect the immune system (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-08-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Morell, V -- New York, N.Y. -- Science. 1995 Aug 11;269(5225):773-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7638587" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Autoimmune Diseases/etiology ; Clinical Trials as Topic ; Estrogens/*physiology ; Female ; Genetic Predisposition to Disease ; Genitalia, Female/physiology ; Gonadal Steroid Hormones/*physiology ; Humans ; Immune System/*physiology ; Infection/immunology ; Male ; Menopause ; *Menstrual Cycle
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  • 23
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    Unraveling immune privilege (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-11-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Streilein, J W -- New York, N.Y. -- Science. 1995 Nov 17;270(5239):1158-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Schepens Eye Research Institute, Harvard Medical School, Boston, MA 02114, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7502038" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anterior Chamber/immunology ; Fas Ligand Protein ; Graft Rejection ; Graft Survival ; *Immune Tolerance ; Male ; Membrane Glycoproteins/*physiology ; Mice ; Mice, Inbred Strains ; Sertoli Cells/immunology ; T-Lymphocytes/immunology ; *Transplantation Immunology
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  • 24
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    Aggression in mice and men? (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-10-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rose, S P -- New York, N.Y. -- Science. 1995 Oct 20;270(5235):362-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7569986" target="_blank"〉PubMed〈/a〉
    Keywords: *Aggression ; Animals ; *Behavior, Animal ; Humans ; Male ; Mice ; Mice, Transgenic ; Monoamine Oxidase/*deficiency/genetics
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 25
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    U.S.-Russian space science. Joint mission gets off to slow start (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-01-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lawler, A -- New York, N.Y. -- Science. 1995 Jan 20;267(5196):323.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7824926" target="_blank"〉PubMed〈/a〉
    Keywords: *Astronauts ; Humans ; International Cooperation ; Male ; Russia ; *Space Flight ; *Spacecraft ; United States
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  • 26
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    A region of adenylyl cyclase 2 critical for regulation by G protein beta gamma subunits (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-05-26
    Description: Receptor-mediated activation of heterotrimeric guanine nucleotide-binding proteins (G proteins) results in the dissociation of alpha from beta gamma subunits, thereby allowing both to regulate effectors. Little is known about the regions of effectors required for recognition of G beta gamma. A peptide encoding residues 956 to 982 of adenylyl cyclase 2 specifically blocked G beta gamma stimulation of adenylyl cyclase 2, phospholipase C-beta 3, potassium channels, and beta-adrenergic receptor kinase as well as inhibition of calmodulin-stimulated adenylyl cyclases, but had no effect on interactions between G beta gamma and G alpha o. Substitutions in this peptide identified a functionally important motif, Gln-X-X-Glu-Arg, that is also conserved in regions of potassium channels and beta-adrenergic receptor kinases that participate in G beta gamma interactions. Thus, the region defined by residues 956 to 982 of adenylyl cyclase 2 may contain determinants important for receiving signals from G beta gamma.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chen, J -- DeVivo, M -- Dingus, J -- Harry, A -- Li, J -- Sui, J -- Carty, D J -- Blank, J L -- Exton, J H -- Stoffel, R H -- CA-44998/CA/NCI NIH HHS/ -- DK-37219/DK/NIDDK NIH HHS/ -- DK-38761/DK/NIDDK NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1995 May 26;268(5214):1166-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology, Mount Sinai School of Medicine, City University of New York, NY 10029, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7761832" target="_blank"〉PubMed〈/a〉
    Keywords: Adenylyl Cyclase Inhibitors ; Adenylyl Cyclases/*chemistry/metabolism ; Amino Acid Sequence ; Animals ; Cell Line ; Enzyme Activation/physiology ; GTP-Binding Proteins/chemistry/*physiology ; Guanosine Triphosphate/physiology ; In Vitro Techniques ; Molecular Sequence Data ; Peptide Fragments/chemical synthesis/chemistry/physiology ; Potassium Channels/physiology ; Rats ; Receptor Protein-Tyrosine Kinases/metabolism ; Receptors, Adrenergic, beta/metabolism ; Signal Transduction/physiology ; Structure-Activity Relationship ; Type C Phospholipases/metabolism
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  • 27
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    Scope of the AIDS epidemic in the United States (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-11-24
    Description: Two-dimensional deconvolution techniques are used here to reconstruct age-specific human immunodeficiency virus (HIV) infection rates in the United States from surveillance data on acquired immunodeficiency syndrome (AIDS). This approach suggests that 630,000 to 897,000 adults and adolescents in the United States were living with HIV infection as of January 1993, including 107,000 to 150,000 women. The estimated incidence of HIV infection declined markedly over time among white males, especially those older than 30 years. In contrast, HIV incidence appears to have remained relatively constant among women and minorities. As of January 1993, prevalence was highest among young adults in their late twenties and thirties and among minorities. An estimated 3 percent of black men and 1 percent of black women in their thirties were living with HIV infection as of that date. If infection rates remain at these levels, HIV must be considered as endemic in the United States.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rosenberg, P S -- New York, N.Y. -- Science. 1995 Nov 24;270(5240):1372-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Cancer Institute, Rockville, MD 20852-4910, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7481828" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*epidemiology ; Adolescent ; Adult ; African Americans/statistics & numerical data ; Age Distribution ; *Disease Outbreaks ; European Continental Ancestry Group/statistics & numerical data ; Female ; HIV Infections/*epidemiology ; Hispanic Americans/statistics & numerical data ; Humans ; Incidence ; Male ; Middle Aged ; Models, Statistical ; Prevalence ; Sex Distribution ; United States/epidemiology
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  • 28
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    Anthropologists overturn old ideas about new developments (1995)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1995-04-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fischman, J -- Gibbons, A -- Culotta, E -- New York, N.Y. -- Science. 1995 Apr 21;268(5209):364-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7716536" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Anthropology ; Behavior ; Female ; Fossils ; Genetic Variation ; Haplorhini/physiology ; Hominidae/anatomy & histology ; Humans ; Humerus/anatomy & histology ; Labor, Obstetric ; Male ; Melanesia ; Pregnancy
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  • 29
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    Primate genetics. Getting the poop on baboon DNA (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-02-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Morell, V -- New York, N.Y. -- Science. 1995 Feb 3;267(5198):615-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7839135" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; DNA/analysis/*genetics ; DNA Primers ; DNA, Satellite ; Feces/*chemistry ; Male ; Papio/*genetics ; Polymerase Chain Reaction ; Sequence Analysis, DNA
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  • 30
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    Monitoring release of neurotrophic activity in the brains of awake rats (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-07-28
    Description: Intracerebral microdialysis of awake rats was used to monitor the possible release of neurotrophic factors from brain cells in response to injury and excitation. Perfusates were tested with ganglia bioassays and enzyme immunoassay. Trophic activity was released after implantation of the microdialysis probe into the hippocampus but not into the striatum, as assessed by increased nerve fiber outgrowth from Remak's ganglion. Kainic acid treatment significantly increased the release of trophic activity from hippocampal sites. These findings suggest that the brain responds to mechanical injury as well as to certain excitatory stimuli by regional extracellular release of neurotrophic activity that is not identical to the actions of known neurotrophic factors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Humpel, C -- Lindqvist, E -- Soderstrom, S -- Kylberg, A -- Ebendal, T -- Olson, L -- New York, N.Y. -- Science. 1995 Jul 28;269(5223):552-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neuroscience, Karolinska Institute, Stockholm, Sweden.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7624780" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Assay ; Chick Embryo ; Corpus Striatum/drug effects/*metabolism ; Ganglia/drug effects/physiology ; Hippocampus/drug effects/*metabolism ; Immunoenzyme Techniques ; Kainic Acid/pharmacology ; Microdialysis ; Nerve Fibers/drug effects/physiology ; Nerve Growth Factors/*metabolism/pharmacology ; Neurotrophin 3 ; Rats
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Herpes-like sequences in HIV-infected and uninfected Kaposi's sarcoma patients (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-04-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ambroziak, J A -- Blackbourn, D J -- Herndier, B G -- Glogau, R G -- Gullett, J H -- McDonald, A R -- Lennette, E T -- Levy, J A -- New York, N.Y. -- Science. 1995 Apr 28;268(5210):582-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7725108" target="_blank"〉PubMed〈/a〉
    Keywords: B-Lymphocyte Subsets/virology ; DNA, Viral/*analysis ; HIV Infections/*complications ; Herpesviridae/*genetics ; Humans ; Leukocytes, Mononuclear/virology ; Male ; Saliva/virology ; Sarcoma, Kaposi/etiology/*virology ; Semen/virology ; Tumor Cells, Cultured
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  • 32
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    Aberrant subcellular localization of BRCA1 in breast cancer (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-11-03
    Description: The BRCA1 gene product was identified as a 220-kilodalton nuclear phosphoprotein in normal cells, including breast ductal epithelial cells, and in 18 of 20 tumor cell lines derived from tissues other than breast and ovary. In 16 of 17 breast and ovarian cancer lines and 17 of 17 samples of cells obtained from malignant effusions, however, BRCA1 localized mainly in cytoplasm. Absence of BRCA1 or aberrant subcellular location was also observed to a variable extent in histological sections of many breast cancer biopsies. These findings suggest that BRCA1 abnormalities may be involved in the pathogenesis of many breast cancers, sporadic as well as familial.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chen, Y -- Chen, C F -- Riley, D J -- Allred, D C -- Chen, P L -- Von Hoff, D -- Osborne, C K -- Lee, W H -- CA58318/CA/NCI NIH HHS/ -- EY05758/EY/NEI NIH HHS/ -- P50CA58183/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1995 Nov 3;270(5237):789-91.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Molecular Medicine/Institute of Biotechnology, University of Texas Health Science Center at San Antonio 78245, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7481765" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; BRCA1 Protein ; Base Sequence ; Breast/*chemistry ; Breast Neoplasms/*chemistry/ultrastructure ; Cell Fractionation ; Cell Line ; Cell Nucleus/chemistry ; Cytoplasm/*chemistry ; Female ; Humans ; Male ; Molecular Sequence Data ; Mutation ; Neoplasm Proteins/*analysis/genetics/metabolism ; Neoplasms/chemistry/ultrastructure ; Ovarian Neoplasms/chemistry/ultrastructure ; Pleural Effusion, Malignant/chemistry/pathology ; Transcription Factors/*analysis/genetics/metabolism ; Tumor Cells, Cultured
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    CFTR as a cAMP-dependent regulator of sodium channels (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-08-11
    Description: Cystic fibrosis transmembrane regulator (CFTR), the gene product that is mutated in cystic fibrosis (CF) patients, has a well-recognized function as a cyclic adenosine 3',5'-monophosphate (cAMP)-regulated chloride channel, but this property does not account for the abnormally high basal rate and cAMP sensitivity of sodium ion absorption in CF airway epithelia. Expression of complementary DNAs for rat epithelial Na+ channel (rENaC) alone in Madin Darby canine kidney (MDCK) epithelial cells generated large amiloride-sensitive sodium currents that were stimulated by cAMP, whereas coexpression of human CFTR with rENaC generated smaller basal sodium currents that were inhibited by cAMP. Parallel studies that measured regulation of sodium permeability in fibroblasts showed similar results. In CF airway epithelia, the absence of this second function of CFTR as a cAMP-dependent regulator likely accounts for abnormal sodium transport.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stutts, M J -- Canessa, C M -- Olsen, J C -- Hamrick, M -- Cohn, J A -- Rossier, B C -- Boucher, R C -- CFF R026/PHS HHS/ -- HL 34322/HL/NHLBI NIH HHS/ -- HL 42384/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1995 Aug 11;269(5225):847-50.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cystic Fibrosis/Pulmonary Research and Treatment Center, University of North Carolina at Chapel Hill 27599-7020, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7543698" target="_blank"〉PubMed〈/a〉
    Keywords: 3T3 Cells ; Absorption ; Amiloride/pharmacology ; Animals ; Cell Line ; Cell Membrane Permeability ; Chloride Channels/metabolism ; Cyclic AMP/*metabolism ; Cystic Fibrosis/*metabolism ; Cystic Fibrosis Transmembrane Conductance Regulator ; DNA, Complementary ; Dogs ; Humans ; Membrane Proteins/*metabolism ; Mice ; Patch-Clamp Techniques ; Rats ; Sodium/metabolism ; Sodium Channels/*metabolism ; Transfection
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    A simple genetic basis for a complex psychological trait in laboratory mice (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-09-08
    Description: Psychological traits are commonly inferred from covariation in sets of behavioral measures that otherwise appear to have little in common. Emotionality in mice is such a trait, defined here by covariation in activity and defecation in a novel environment and emergence into the open arms of an elevated plus maze. Behavioral and quantitative trait analyses were conducted on four measures obtained from 879 mice from an F2 intercross. Three loci, on murine chromosomes 1, 12, and 15, were mapped that influence emotionality. This trait, inferred from studies of strain, sex, and individual differences in rodents, may be related to human susceptibility to anxiety or neuroticism.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Flint, J -- Corley, R -- DeFries, J C -- Fulker, D W -- Gray, J A -- Miller, S -- Collins, A C -- DA-00197/DA/NIDA NIH HHS/ -- DA-05131/DA/NIDA NIH HHS/ -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 1995 Sep 8;269(5229):1432-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Molecular Medicine, John Radcliffe Hospital, Oxford, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7660127" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Behavior, Animal ; *Chromosome Mapping ; Defecation ; *Emotions ; Female ; Genes ; *Genetic Linkage ; Genetic Variation ; Lod Score ; Male ; Mice ; Mice, Inbred BALB C ; Mice, Inbred C57BL ; Phenotype ; Regression Analysis
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    Arguing over why Johnny can't read (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-03-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roush, W -- New York, N.Y. -- Science. 1995 Mar 31;267(5206):1896-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7701312" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Child ; Chromosomes, Human, Pair 6 ; Dyslexia/diagnosis/epidemiology/*etiology ; Female ; Humans ; Learning Disorders/diagnosis/epidemiology/*etiology ; Magnetic Resonance Imaging ; Male ; National Institutes of Health (U.S.) ; Thalamus/*pathology/physiopathology/*radionuclide imaging ; Tomography, Emission-Computed ; United States/epidemiology
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    A role for CD5 in TCR-mediated signal transduction and thymocyte selection (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-07-28
    Description: CD5 is a transmembrane protein that is expressed on the surface of T cells and a subset of B cells. The absence of CD5 rendered thymocytes hyperresponsive to stimulation through the T cell antigen receptor (TCR) in vitro. Selection of T cells expressing three distinct transgenic TCRs was also abnormal in CD5-deficient mice. These observations indicate that CD5 can influence the fate of developing thymocytes by acting as a negative regulator of TCR-mediated signal transduction.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tarakhovsky, A -- Kanner, S B -- Hombach, J -- Ledbetter, J A -- Muller, W -- Killeen, N -- Rajewsky, K -- New York, N.Y. -- Science. 1995 Jul 28;269(5223):535-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Genetics, University of Cologne, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7542801" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, CD/*immunology ; Antigens, CD3/metabolism ; Antigens, CD5 ; Female ; *Lymphocyte Activation ; Male ; Mice ; Mice, Transgenic ; Phosphorylation ; Protein-Tyrosine Kinases/metabolism ; Receptors, Antigen, T-Cell/*immunology ; *Signal Transduction ; T-Lymphocyte Subsets/immunology ; T-Lymphocytes/*immunology ; Thymus Gland/immunology ; ZAP-70 Protein-Tyrosine Kinase
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    "The Duesberg phenomenon": Duesberg and other voices (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-01-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cline, F A Jr -- New York, N.Y. -- Science. 1995 Jan 20;267(5196):314-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7824921" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/drug therapy/*virology ; HIV/pathogenicity ; Homosexuality, Male ; Humans ; Male ; Research ; Zidovudine/*therapeutic use
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  • 38
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    AIDS-associated Kaposi's sarcoma. "Duesberg phenomenon' (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-02-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ascher, M S -- Sheppard, H W -- New York, N.Y. -- Science. 1995 Feb 24;267(5201):1080.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7726989" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/chemically induced/*etiology ; Humans ; Male ; Street Drugs/*adverse effects ; Zidovudine/adverse effects/therapeutic use
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  • 39
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    Glutamate receptor RNA editing in vitro by enzymatic conversion of adenosine to inosine (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-03-10
    Description: RNA encoding the B subunit of the alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) subtype of ionotropic glutamate receptor (GluR-B) undergoes a posttranscriptional modification in which a genomically encoded adenosine is represented as a guanosine in the GluR-B complementary DNA. In vitro editing of GluR-B RNA transcripts with HeLa cell nuclear extracts was found to result from an activity that converts adenosine to inosine in regions of double-stranded RNA by enzymatic base modification. This activity is consistent with that of a double-stranded RNA-specific adenosine deaminase previously described in Xenopus oocytes and widely distributed in mammalian tissues.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rueter, S M -- Burns, C M -- Coode, S A -- Mookherjee, P -- Emeson, R B -- ES00267/ES/NIEHS NIH HHS/ -- New York, N.Y. -- Science. 1995 Mar 10;267(5203):1491-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology, Vanderbilt University School of Medicine, Nashville, TN 37232-6600.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7878468" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine/*metabolism ; Animals ; Base Sequence ; Cell Line ; Codon ; Exons ; HeLa Cells ; Humans ; Inosine/*metabolism ; Inosine Monophosphate/metabolism ; Mice ; Molecular Sequence Data ; *RNA Editing ; RNA Precursors/metabolism ; RNA, Double-Stranded/metabolism ; Rats ; Receptors, AMPA/*genetics ; Repetitive Sequences, Nucleic Acid ; Tumor Cells, Cultured
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  • 40
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    Reconstitution of IKATP: an inward rectifier subunit plus the sulfonylurea receptor (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-11-17
    Description: A member of the inwardly rectifying potassium channel family was cloned here. The channel, called BIR (Kir6.2), was expressed in large amounts in rat pancreatic islets and glucose-responsive insulin-secreting cell lines. Coexpression with the sulfonylurea receptor SUR reconstituted an inwardly rectifying potassium conductance of 76 picosiemens that was sensitive to adenosine triphosphate (ATP) (IKATP) and was inhibited by sulfonylureas and activated by diazoxide. The data indicate that these pancreatic beta cell potassium channels are a complex composed of at least two subunits--BIR, a member of the inward rectifier potassium channel family, and SUR, a member of the ATP-binding cassette superfamily. Gene mapping data show that these two potassium channel subunit genes are clustered on human chromosome 11 at position 11p15.1.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Inagaki, N -- Gonoi, T -- Clement, J P 4th -- Namba, N -- Inazawa, J -- Gonzalez, G -- Aguilar-Bryan, L -- Seino, S -- Bryan, J -- DK44311/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1995 Nov 17;270(5239):1166-70.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Molecular Medicine, Chiba University School of Medicine, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7502040" target="_blank"〉PubMed〈/a〉
    Keywords: *ATP-Binding Cassette Transporters ; Adenosine Triphosphate/pharmacology ; Amino Acid Sequence ; Animals ; Base Sequence ; Cell Line ; Chromosome Mapping ; Chromosomes, Human, Pair 11 ; Cloning, Molecular ; Cricetinae ; Diazoxide/pharmacology ; Humans ; Islets of Langerhans/metabolism ; KATP Channels ; Mice ; Molecular Sequence Data ; Potassium/*metabolism ; Potassium Channels/*chemistry/genetics/*metabolism ; *Potassium Channels, Inwardly Rectifying ; Rats ; Receptors, Drug/*chemistry/metabolism ; Rubidium/metabolism ; Sulfonylurea Compounds/pharmacology ; Sulfonylurea Receptors
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  • 41
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    Induction of MHC class I genes in neurons (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-07-28
    Description: Whether neurons express major histocompatibility complex (MHC) class I genes has not been firmly established. The techniques of confocal laser microscopy, patch clamp electrophysiology, and reverse transcriptase-polymerase chain reaction were combined here to directly examine the inducibility of MHC class I genes in individual cultured rat hippocampal neurons. Transcription of MHC class I genes was very rare in neurons with spontaneous action potentials. In electrically silent neurons, transcription was noted, with expression of beta 2-microglobulin under tighter control than in class I heavy chain molecules. Surface expression of class I molecules occurred only in electrically silent neurons treated with interferon gamma. Immunosurveillance by cytotoxic T cells may be focused on functionally impaired neurons.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Neumann, H -- Cavalie, A -- Jenne, D E -- Wekerle, H -- New York, N.Y. -- Science. 1995 Jul 28;269(5223):549-52.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neuroimmunology, Max Planck Institute for Psychiatry, Martinsried, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7624779" target="_blank"〉PubMed〈/a〉
    Keywords: Action Potentials/drug effects ; Animals ; Base Sequence ; Cells, Cultured ; *Gene Expression Regulation ; *Genes, MHC Class I ; Hippocampus/cytology ; Histocompatibility Antigens Class I/biosynthesis/genetics ; Interferon-gamma/pharmacology ; Molecular Sequence Data ; Patch-Clamp Techniques ; Polymerase Chain Reaction ; Pyramidal Cells/cytology/*metabolism/physiology ; RNA, Messenger/genetics/metabolism ; Rats ; Rats, Inbred Lew ; Tetrodotoxin/pharmacology ; Transcription, Genetic ; beta 2-Microglobulin/biosynthesis/genetics
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  • 42
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    Behavioral effects and gene delivery in a rat model of Parkinson's disease (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-08-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Isacson, O -- New York, N.Y. -- Science. 1995 Aug 11;269(5225):856-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7638605" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Corpus Striatum/cytology ; Gene Expression ; Gene Transfer Techniques ; *Genetic Therapy ; *Genetic Vectors ; *Motor Activity ; Neurons/cytology/enzymology/virology ; Parkinson Disease/*therapy ; Rats ; Simplexvirus/*genetics/physiology ; Tyrosine 3-Monooxygenase/genetics/metabolism
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    Selective opioid inhibition of small nociceptive neurons (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-11-24
    Description: Opioid analgesia, the selective suppression of pain without effects on other sensations, also distinguishes between different types of pain: severe, persistent pain is potently inhibited by opioids, but they fail to cohceal the sensation of a pinprick. The cellular basis for this specificity was analyzed by means of patch-clamp experiments performed on fluorescently labeled nociceptive neurons (nociceptors) that innervate rat tooth pulp. Activation of the mu opioid receptor inhibited calcium channels on almost all small nociceptors but had minimal effect on large nociceptors. Somatostatin had the opposite specificity, preferentially inhibiting calcium channels on the large cells. Because persistent pain is mediated by slow-conducting, small nociceptors, opioids are thus likely to inhibit neurotransmitter release only at those primary synapses specialized for persistent pain.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Taddese, A -- Nah, S Y -- McCleskey, E W -- New York, N.Y. -- Science. 1995 Nov 24;270(5240):1366-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Vollum Institute, Oregon Health Sciences University, Portland 97201, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7481826" target="_blank"〉PubMed〈/a〉
    Keywords: Analgesics/*pharmacology ; Animals ; Calcium Channels/drug effects ; Cells, Cultured ; Dental Pulp/innervation ; Enkephalin, Ala(2)-MePhe(4)-Gly(5)- ; Enkephalins/*pharmacology ; Male ; Neurons, Afferent/*drug effects/physiology ; Neurotransmitter Agents/metabolism ; Nociceptors/*drug effects/physiology ; Patch-Clamp Techniques ; Presynaptic Terminals/drug effects/metabolism ; Rats ; Rats, Sprague-Dawley ; Receptors, Opioid, mu/*physiology ; Receptors, Somatostatin/physiology ; Sodium Channel Blockers ; Somatostatin/pharmacology
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  • 44
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    A morbillivirus that caused fatal disease in horses and humans (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-04-07
    Description: A morbillivirus has been isolated and added to an increasing list of emerging viral diseases. This virus caused an outbreak of fatal respiratory disease in horses and humans. Genetic analyses show it to be only distantly related to the classic morbilliviruses rinderpest, measles, and canine distemper. When seen by electron microscopy, viruses had 10- and 18-nanometer surface projections that gave them a "double-fringed" appearance. The virus induced syncytia that developed in the endothelium of blood vessels, particularly the lungs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Murray, K -- Selleck, P -- Hooper, P -- Hyatt, A -- Gould, A -- Gleeson, L -- Westbury, H -- Hiley, L -- Selvey, L -- Rodwell, B -- New York, N.Y. -- Science. 1995 Apr 7;268(5207):94-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉CSIRO Australian Animal Health Laboratory, East Geelong, Victoria.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7701348" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Amino Acid Sequence ; Animals ; Base Sequence ; Cercopithecus aethiops ; Disease Outbreaks/*veterinary ; Female ; Horse Diseases/epidemiology/mortality/*virology ; Horses ; Humans ; Kidney/virology ; Lung/virology ; Male ; Middle Aged ; Molecular Sequence Data ; Morbillivirus/genetics/*isolation & purification ; Morbillivirus Infections/epidemiology/mortality/*veterinary/*virology ; Pregnancy ; Queensland/epidemiology ; Respiratory Tract Infections/veterinary/virology ; Spleen/virology ; Vero Cells ; Virus Cultivation
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    T cell awareness of paternal alloantigens during pregnancy (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-10-27
    Description: During pregnancy a semiallogeneic fetus survives despite the presence of maternal T cells specific for paternally inherited histocompatibility antigens. A mouse transgenic for a T cell receptor recognizing the major histocompatibility (MHC) antigen H-2Kb was used to follow the fate of T cells reactive to paternal alloantigens. In contrast to syngeneic and third-party allogeneic pregnancies, mice bearing a Kb-positive conceptus had reduced numbers of Kb-reactive T cells and accepted Kb-positive tumor grafts. T cell phenotype and responsiveness were restored after delivery. Thus, during pregnancy maternal T cells acquire a transient state of tolerance specific for paternal alloantigens.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tafuri, A -- Alferink, J -- Moller, P -- Hammerling, G J -- Arnold, B -- New York, N.Y. -- Science. 1995 Oct 27;270(5236):630-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Tumor Immunology Program, Deutsches Krebsforschungszentrum (DKFZ), Heidelberg, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7570020" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; CD4-Positive T-Lymphocytes/immunology ; CD8-Positive T-Lymphocytes/immunology ; Fathers ; Female ; Fetus/*immunology ; Graft Rejection ; H-2 Antigens/*immunology ; *Immune Tolerance ; Male ; Mice ; Mice, Inbred C57BL ; Mice, SCID ; Mice, Transgenic ; Neoplasm Transplantation ; Phenotype ; Placenta/immunology ; Pregnancy ; Pregnancy, Animal/*immunology ; Receptors, Antigen, T-Cell/immunology ; T-Lymphocytes/*immunology
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    Thailand weighs AIDS vaccine tests (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-11-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, J -- New York, N.Y. -- Science. 1995 Nov 10;270(5238):904-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7481784" target="_blank"〉PubMed〈/a〉
    Keywords: *AIDS Vaccines/immunology ; Acquired Immunodeficiency Syndrome/*prevention & control ; Animals ; *Clinical Trials as Topic/economics ; Cohort Studies ; Costs and Cost Analysis ; Female ; HIV/classification ; HIV Antibodies/biosynthesis ; *HIV Envelope Protein gp120/immunology ; HIV Infections/*prevention & control ; Humans ; International Cooperation ; Male ; Pan troglodytes ; Patient Selection ; Thailand ; United States
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    AIDS-associated Kaposi's sarcoma (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-02-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jones, J L -- Hanson, D L -- Chu, S Y -- Ward, J W -- Jaffe, H W -- New York, N.Y. -- Science. 1995 Feb 24;267(5201):1078-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7855583" target="_blank"〉PubMed〈/a〉
    Keywords: AIDS-Related Opportunistic Infections/drug therapy/virology ; Acquired Immunodeficiency Syndrome/*complications/drug therapy ; Acyclovir/therapeutic use ; Female ; Foscarnet/*therapeutic use ; Ganciclovir/therapeutic use ; Herpesviridae Infections/drug therapy/virology ; Humans ; Male ; Retrospective Studies ; Risk Factors ; Sarcoma, Kaposi/*complications/drug therapy/virology
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    Differences in HIV strains may underlie disease patterns (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-10-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, J -- New York, N.Y. -- Science. 1995 Oct 6;270(5233):30-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7569947" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Developed Countries ; Developing Countries ; Female ; HIV Infections/epidemiology/transmission/*virology ; HIV-1/classification/growth & development/*pathogenicity ; Humans ; Langerhans Cells/*virology ; Male ; Thailand/epidemiology ; Vagina/virology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Zinc and Alzheimer's disease (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-06-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Maggio, J E -- Esler, W P -- Stimson, E R -- Jennings, J M -- Ghilardi, J R -- Mantyh, P W -- New York, N.Y. -- Science. 1995 Jun 30;268(5219):1920-1; author reply 1921-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7604269" target="_blank"〉PubMed〈/a〉
    Keywords: Alzheimer Disease/*metabolism ; Amyloid beta-Peptides/*metabolism ; Animals ; Humans ; Protein Binding ; Rats ; Solubility ; Zinc/*metabolism/pharmacology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Neurobiology. Brain center linked to perfect pitch (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-02-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nowak, R -- New York, N.Y. -- Science. 1995 Feb 3;267(5198):616.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7839136" target="_blank"〉PubMed〈/a〉
    Keywords: Female ; *Functional Laterality ; Humans ; Magnetic Resonance Imaging ; Male ; *Music ; *Pitch Discrimination ; Temporal Lobe/*anatomy & histology
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  • 51
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    Synaptic activation of voltage-gated channels in the dendrites of hippocampal pyramidal neurons (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-04-14
    Description: Activation of dendritic voltage-gated ion channels by local synaptic input was tested by simultaneous dendrite-attached patch-clamp recordings and whole-cell somatic voltage recordings made from CA1 pyramidal neurons in hippocampal slices. Schaffer collateral stimulation elicited subthreshold excitatory postsynaptic potentials (EPSPs) that opened voltage-gated sodium and calcium channels in the apical dendrites. The EPSP-activated sodium channels opened near the peak of the EPSP, whereas low voltage-activated calcium channels opened near the EPSP peak and during the decay phase. Dendritic high voltage-activated channels required somatic action potential generation or suprathreshold synaptic trains for activation. Dendritic voltage-gated channels are, therefore, likely to participate in dendritic integration of synaptic events.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Magee, J C -- Johnston, D -- MH44754/MH/NIMH NIH HHS/ -- NS09482/NS/NINDS NIH HHS/ -- NS11535/NS/NINDS NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1995 Apr 14;268(5208):301-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Neuroscience, Baylor College of Medicine, Houston, TX 77030, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7716525" target="_blank"〉PubMed〈/a〉
    Keywords: Action Potentials ; Animals ; Calcium Channels/metabolism ; Dendrites/*physiology ; *Ion Channel Gating ; Patch-Clamp Techniques ; Pyramidal Cells/*physiology ; Rats ; Rats, Sprague-Dawley ; Sodium Channels/metabolism ; Synapses/*physiology ; Synaptic Transmission ; Tetrodotoxin/pharmacology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Women in clinical trials: an FDA perspective (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-08-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sherman, L A -- Temple, R -- Merkatz, R B -- New York, N.Y. -- Science. 1995 Aug 11;269(5225):793-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Drug Evaluation and Research, FDA, Rockville, MD 20857, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7638593" target="_blank"〉PubMed〈/a〉
    Keywords: Aging ; *Clinical Trials as Topic ; Drug Approval ; Federal Government ; Female ; *Guidelines as Topic ; Humans ; Male ; Paternalism ; *Patient Selection ; Pregnant Women ; Research Design ; *Research Subjects ; Sex Characteristics ; United States ; *United States Food and Drug Administration
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    Steroid hormone--and neurotransmitter-induced rat sexual behavior: addendum (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-06-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mani, S K -- Allen, J M -- Clark, J H -- Blaustein, J D -- O'Malley, B W -- New York, N.Y. -- Science. 1995 Jun 30;268(5219):1833.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7604251" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Estradiol/*pharmacology ; Female ; Male ; Neurotransmitter Agents/*physiology ; Rats ; Sexual Behavior, Animal/drug effects/*physiology
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    Women's health research blossoms (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-08-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mann, C -- New York, N.Y. -- Science. 1995 Aug 11;269(5225):766-70.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7638586" target="_blank"〉PubMed〈/a〉
    Keywords: *Biomedical Research ; Clinical Trials as Topic ; Cultural Characteristics ; Developing Countries ; Female ; Humans ; *Internationality ; Male ; Maternal Health Services ; *Patient Selection ; Poverty ; *Research ; Research Design ; *Research Subjects ; Resource Allocation ; Sex Characteristics ; *Women's Health
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    KAI1, a metastasis suppressor gene for prostate cancer on human chromosome 11p11.2 (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-05-12
    Description: A gene from human chromosome 11p11.2 was isolated and was shown to suppress metastasis when introduced into rat AT6.1 prostate cancer cells. Expression of this gene, designated KAI1, was reduced in human cell lines derived from metastatic prostate tumors. KAI1 specifies a protein of 267 amino acids, with four hydrophobic and presumably transmembrane domains and one large extracellular hydrophilic domain with three potential N-glycosylation sites. KAI1 is evolutionarily conserved, is expressed in many human tissues, and encodes a member of a structurally distinct family of leukocyte surface glycoproteins. Decreased expression of this gene may be involved in the malignant progression of prostate and other cancers.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dong, J T -- Lamb, P W -- Rinker-Schaeffer, C W -- Vukanovic, J -- Ichikawa, T -- Isaacs, J T -- Barrett, J C -- CA 58236/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1995 May 12;268(5212):884-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Molecular Carcinogenesis, National Institute of Environmental Health Sciences, National Institute of Health, Research Triangle Park, NC 27709, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7754374" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antigens, CD/chemistry/*genetics/physiology ; Antigens, CD82 ; Base Sequence ; Biological Evolution ; *Chromosomes, Human, Pair 11 ; Gene Expression ; *Genes, Tumor Suppressor ; Humans ; Male ; Membrane Glycoproteins/chemistry/*genetics/physiology ; Mice ; Mice, SCID ; Molecular Sequence Data ; Neoplasm Metastasis/*genetics ; Prostatic Neoplasms/*genetics/pathology ; *Proto-Oncogene Proteins ; Rats ; Transfection ; Tumor Cells, Cultured
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    Inducible gene targeting in mice (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-09-08
    Description: A method of gene targeting that allows the inducible inactivation of a target gene in mice is presented. The method uses an interferon-responsive promoter to control the expression of Cre recombinase. Here, Cre was used to delete a segment of the DNA polymerase beta gene flanked by IoxP recombinase recognition sites. Deletion was complete in liver and nearly complete in lymphocytes within a few days, whereas partial deletion was obtained in other tissues. This method can be used for the inducible inactivation of any other gene in vivo.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kuhn, R -- Schwenk, F -- Aguet, M -- Rajewsky, K -- New York, N.Y. -- Science. 1995 Sep 8;269(5229):1427-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Genetics, University of Cologne, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7660125" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Crosses, Genetic ; DNA Nucleotidyltransferases/genetics ; DNA Polymerase I/genetics ; Female ; *GTP-Binding Proteins ; Gene Targeting/*methods ; Genetic Vectors ; *Integrases ; Interferon-alpha/pharmacology ; Interferon-beta/pharmacology ; Liver/drug effects/metabolism ; Male ; Mice ; Mice, Inbred C57BL ; Mice, Inbred CBA ; Mice, Transgenic ; Myxovirus Resistance Proteins ; Poly I-C/pharmacology ; Promoter Regions, Genetic ; Proteins/genetics ; Recombination, Genetic ; Sequence Deletion ; *Viral Proteins
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    Evolution made visible (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-01-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Weiner, J -- New York, N.Y. -- Science. 1995 Jan 6;267(5194):30-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7809606" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Birds ; Female ; Fishes ; Genetic Variation ; Male ; Reproduction ; Reproduction, Asexual ; *Selection, Genetic
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    Ionic mechanisms of neuronal excitation by inhibitory GABAA receptors (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-08-18
    Description: Gamma-aminobutyric acid A (GABAA) receptors are the principal mediators of synaptic inhibition, and yet when intensely activated, dendritic GABAA receptors excite rather than inhibit neurons. The membrane depolarization mediated by GABAA receptors is a result of the differential, activity-dependent collapse of the opposing concentration gradients of chloride and bicarbonate, the anions that permeate the GABAA ionophore. Because this depolarization diminishes the voltage-dependent block of the N-methyl-D-aspartate (NMDA) receptor by magnesium, the activity-dependent depolarization mediated by GABA is sufficient to account for frequency modulation of synaptic NMDA receptor activation. Anionic gradient shifts may represent a mechanism whereby the rate and coherence of synaptic activity determine whether dendritic GABAA receptor activation is excitatory or inhibitory.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Staley, K J -- Soldo, B L -- Proctor, W R -- AA03527/AA/NIAAA NIH HHS/ -- HD27827/HD/NICHD NIH HHS/ -- NS01573/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1995 Aug 18;269(5226):977-81.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurology, University of Colorado Health Sciences Center, Denver 80262, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7638623" target="_blank"〉PubMed〈/a〉
    Keywords: Acetazolamide/pharmacology ; Amiloride/pharmacology ; Animals ; Bicarbonates/*metabolism ; Chlorides/*metabolism ; Dendrites/metabolism ; Hydrogen-Ion Concentration ; In Vitro Techniques ; Magnesium/pharmacology ; Membrane Potentials ; Muscimol/pharmacology ; Neurons/*metabolism ; Pyramidal Cells/metabolism ; Rats ; Receptors, GABA-A/*metabolism ; Receptors, N-Methyl-D-Aspartate/metabolism ; Synapses/metabolism ; gamma-Aminobutyric Acid/*metabolism/pharmacology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Patterns of human growth (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-04-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Heinrichs, C -- Munson, P J -- Counts, D R -- Cutler, G B Jr -- Baron, J -- New York, N.Y. -- Science. 1995 Apr 21;268(5209):442-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7716552" target="_blank"〉PubMed〈/a〉
    Keywords: Body Height ; Body Weight ; Cephalometry ; Female ; *Growth ; Humans ; Infant ; Kinetics ; Male ; Regression Analysis
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    Common virulence factors for bacterial pathogenicity in plants and animals (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-06-30
    Description: A Pseudomonas aeruginosa strain (UCBPP-PA14) is infectious both in an Arabidopsis thaliana leaf infiltration model and in a mouse full-thickness skin burn model. UCBPP-PA14 exhibits ecotype specificity for Arabidopsis, causing a range of symptoms from none to severe in four different ecotypes. In the mouse model, UCBPP-PA14 is as lethal as other well-studied P. aeruginosa strains. Mutations in the UCBPP-PA14 toxA, plcS, and gacA genes resulted in a significant reduction in pathogenicity in both hosts, indicating that these genes encode virulence factors required for the full expression of pathogenicity in both plants and animals.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rahme, L G -- Stevens, E J -- Wolfort, S F -- Shao, J -- Tompkins, R G -- Ausubel, F M -- New York, N.Y. -- Science. 1995 Jun 30;268(5219):1899-902.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, Harvard Medical School, Boston, MA 02114, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7604262" target="_blank"〉PubMed〈/a〉
    Keywords: *ADP Ribose Transferases ; Animals ; Arabidopsis/*microbiology ; Bacterial Proteins/genetics ; *Bacterial Toxins ; Base Sequence ; Burns/complications ; Exotoxins/genetics ; Male ; Mice ; Molecular Sequence Data ; Mutation ; Phospholipases/genetics ; Plant Diseases/*microbiology ; Pseudomonas Infections/*microbiology ; Pseudomonas aeruginosa/genetics/growth & development/*pathogenicity ; Virulence/genetics ; *Virulence Factors
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    Getting a grip on G protein function in C. elegans (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-03-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J -- New York, N.Y. -- Science. 1995 Mar 17;267(5204):1596-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7886445" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Behavior, Animal ; Caenorhabditis elegans/genetics/*physiology ; GTP-Binding Proteins/genetics/*physiology ; Genes, Helminth ; Male ; Mutation ; *Signal Transduction
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    Inactivation of the mouse Huntington's disease gene homolog Hdh (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-07-21
    Description: Huntington's disease (HD) is a dominant neurodegenerative disorder caused by expansion of a CAG repeat in the gene encoding huntingtin, a protein of unknown function. To distinguish between "loss of function" and "gain of function" models of HD, the murine HD homolog Hdh was inactivated by gene targeting. Mice heterozygous for Hdh inactivation were phenotypically normal, whereas homozygosity resulted in embryonic death. Homozygotes displayed abnormal gastrulation at embryonic day 7.5 and were resorbing by day 8.5. Thus, huntingtin is critical early in embryonic development, before the emergence of the nervous system. That Hdh inactivation does not mimic adult HD neuropathology suggests that the human disease involves a gain of function.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Duyao, M P -- Auerbach, A B -- Ryan, A -- Persichetti, F -- Barnes, G T -- McNeil, S M -- Ge, P -- Vonsattel, J P -- Gusella, J F -- Joyner, A L -- NS16367/NS/NINDS NIH HHS/ -- NS32765/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1995 Jul 21;269(5222):407-10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Molecular Neurogenetics Unit, Massachusetts General Hospital, Charlestown 02129, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7618107" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Cell Line ; Ectoderm/cytology ; Embryonic and Fetal Development ; Female ; Gene Targeting ; Genotype ; Heterozygote ; Homozygote ; Humans ; Huntington Disease/*genetics ; Male ; Mesoderm/cytology ; Mice ; Mice, Inbred C57BL ; Molecular Sequence Data ; Nerve Tissue Proteins/*genetics/physiology ; Nuclear Proteins/*genetics/physiology ; Phenotype ; Stem Cells/metabolism
    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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    Participation of the protein Go in multiple aspects of behavior in C. elegans (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-03-17
    Description: The goa-1 gene encoding the alpha subunit of the heterotrimeric guanosine triphosphate-binding protein (G protein) Go from Caenorhabditis elegans is expressed in most neurons, and in the muscles involved in egg laying and male mating. Reduction-of-function mutations in goa-1 caused a variety of behavioral defects including hyperactive movement, premature egg laying, and male impotence. Expression of the activated Go alpha subunit (G alpha o) in transgenic nematodes resulted in lethargic movement, delayed egg laying, and reduced mating efficiency. Induced expression of activated G alpha o in adults was sufficient to cause these phenotypes, indicating that G alpha o mediates behavior through its role in neuronal function and the functioning of specialized muscles.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mendel, J E -- Korswagen, H C -- Liu, K S -- Hajdu-Cronin, Y M -- Simon, M I -- Plasterk, R H -- Sternberg, P W -- New York, N.Y. -- Science. 1995 Mar 17;267(5204):1652-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, California Institute of Technology, Pasadena 91125.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7886455" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Animals, Genetically Modified ; Base Sequence ; Behavior, Animal ; Caenorhabditis elegans/genetics/*physiology ; Disorders of Sex Development ; Female ; GTP-Binding Proteins/genetics/*physiology ; Genes, Helminth ; Male ; Molecular Sequence Data ; Movement ; Muscles/innervation/physiology ; Mutation ; Neurons/physiology ; Oviposition ; Phenotype ; Serotonin/pharmacology ; Sexual Behavior, Animal
    Print ISSN: 0036-8075
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    Detecting Alzheimer's disease (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-03-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- Kumar, S R -- Thach, A B -- Kiat-Winarko, T -- Frambach, D A -- New York, N.Y. -- Science. 1995 Mar 17;267(5204):1577; author reply 1580-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7741897" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Alzheimer Disease/*diagnosis ; Female ; Humans ; Male ; Pupil/*drug effects ; *Tropicamide
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Regulation of hippocampal transmitter release during development and long-term potentiation (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-09-22
    Description: Developmental changes in rat hippocampal transmitter release and synaptic plasticity were investigated. Recordings from pairs of pyramidal neurons in slices showed that an action potential in a CA3 neuron released only a single quantum of transmitter onto a CA1 neuron. Failures of synaptic transmission reflected probabilistic transmitter release. The probability of release (Pr) was 0.9 in 4- to 8-day-old rats and decreased to less than 0.5 at 2 to 3 weeks. Long-term potentiation (LTP) in 2- to 3-week-old rats was associated with an increase in Pr from a single synaptic site. The high initial Pr in 4- to 8-day-old rats normally occludes the expression of LTP at this stage.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bolshakov, V Y -- Siegelbaum, S A -- New York, N.Y. -- Science. 1995 Sep 22;269(5231):1730-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology, College of Physicians and Surgeons, Columbia University, New York, NY 10032, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7569903" target="_blank"〉PubMed〈/a〉
    Keywords: Action Potentials ; Aging/physiology ; Animals ; Animals, Newborn ; Calcium/metabolism ; Hippocampus ; In Vitro Techniques ; *Long-Term Potentiation ; Neuronal Plasticity ; Neurotransmitter Agents/*metabolism ; Patch-Clamp Techniques ; Presynaptic Terminals/physiology ; Probability ; Pyramidal Cells/metabolism/*physiology ; Rats ; Rats, Sprague-Dawley ; *Synaptic Transmission ; Synaptic Vesicles/physiology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Attenuated retrovirus vaccines and AIDS (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-11-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, P A -- New York, N.Y. -- Science. 1995 Nov 17;270(5239):1219-20; author reply 1220-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7502054" target="_blank"〉PubMed〈/a〉
    Keywords: *AIDS Vaccines ; Animals ; Animals, Newborn ; Female ; HIV Infections/*prevention & control/transmission ; Humans ; Macaca mulatta ; Male ; Simian Immunodeficiency Virus/pathogenicity ; Vaccination ; Vaccines, Attenuated
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    Domain interaction between NMDA receptor subunits and the postsynaptic density protein PSD-95 (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-09-22
    Description: The N-methyl-D-aspartate (NMDA) receptor subserves synaptic glutamate-induced transmission and plasticity in central neurons. The yeast two-hybrid system was used to show that the cytoplasmic tails of NMDA receptor subunits interact with a prominent postsynaptic density protein PSD-95. The second PDZ domain in PSD-95 binds to the seven-amino acid, COOH-terminal domain containing the terminal tSXV motif (where S is serine, X is any amino acid, and V is valine) common to NR2 subunits and certain NR1 splice forms. Transcripts encoding PSD-95 are expressed in a pattern similar to that of NMDA receptors, and the NR2B subunit co-localizes with PSD-95 in cultured rat hippocampal neurons. The interaction of these proteins may affect the plasticity of excitatory synapses.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kornau, H C -- Schenker, L T -- Kennedy, M B -- Seeburg, P H -- NS-28710/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1995 Sep 22;269(5231):1737-40.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Molecular Biology (ZMBH), University of Heidelberg, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7569905" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Cells, Cultured ; Cytoplasm/chemistry ; Genes, Reporter ; Hippocampus/*metabolism ; Intracellular Signaling Peptides and Proteins ; Membrane Proteins ; Molecular Sequence Data ; Nerve Tissue Proteins/chemistry/genetics/*metabolism ; Neuronal Plasticity ; Neurons/*metabolism ; RNA Splicing ; Rats ; Receptors, N-Methyl-D-Aspartate/chemistry/genetics/*metabolism ; Recombinant Fusion Proteins/metabolism ; Signal Transduction
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Rescue of the En-1 mutant phenotype by replacement of En-1 with En-2 (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-08-04
    Description: The related mouse Engrailed genes En-1 and En-2 are expressed from the one- and approximately five-somite stages, respectively, in a similar presumptive mid-hindbrain domain. However, mutations in En-1 and En-2 produce different phenotypes. En-1 mutant mice die at birth with a large mid-hindbrain deletion, whereas En-2 mutants are viable, with cerebellar defects. To determine whether these contrasting phenotypes reflect differences in temporal expression or biochemical activity of the En proteins, En-1 coding sequences were replaced with En-2 sequences by gene targeting. This rescued all En-1 mutant defects, demonstrating that the difference between En-1 and En-2 stems from their divergent expression patterns.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hanks, M -- Wurst, W -- Anson-Cartwright, L -- Auerbach, A B -- Joyner, A L -- New York, N.Y. -- Science. 1995 Aug 4;269(5224):679-82.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Molecular and Developmental Biology, Samuel Lunenfeld Research Institute, Mt. Sinai Hospital, Toronto, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7624797" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain/abnormalities/embryology ; Chimera ; Crosses, Genetic ; Female ; *Gene Expression Regulation, Developmental ; *Gene Targeting ; *Genes, Homeobox ; Homeodomain Proteins/*genetics/physiology ; Limb Deformities, Congenital ; Male ; Mice ; Mutation ; Nerve Tissue Proteins/*genetics/physiology ; Phenotype ; Promoter Regions, Genetic ; Recombination, Genetic ; Stem Cells ; Sternum/abnormalities
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Excision of deoxyribose phosphate residues by DNA polymerase beta during DNA repair (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-08-04
    Description: Eukaryotic DNA polymerase beta (pol beta) can catalyze DNA synthesis during base excision DNA repair. It is shown here that pol beta also catalyzes release of 5'-terminal deoxyribose phosphate (dRP) residues from incised apurinic-apyrimidinic sites, which are common intermediate products in base excision repair. The catalytic domain for this activity resides within an amino-terminal 8-kilodalton fragment of pol beta, which comprises a distinct structural domain of the enzyme. Magnesium is required for the release of dRP from double-stranded DNA but not from a single-stranded oligonucleotide. Analysis of the released products indicates that the excision reaction occurs by beta-elimination rather than hydrolysis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Matsumoto, Y -- Kim, K -- CA06927/CA/NCI NIH HHS/ -- CA63154/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1995 Aug 4;269(5224):699-702.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Radiation Oncology, Fox Chase Cancer Center, Philadelphia, PA 19111, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7624801" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Apurinic Acid ; Base Sequence ; Binding Sites ; DNA/*metabolism ; DNA Ligases/metabolism ; DNA Polymerase I/*metabolism ; *DNA Repair ; DNA-(Apurinic or Apyrimidinic Site) Lyase ; Deoxyribonuclease IV (Phage T4-Induced) ; Edetic Acid/pharmacology ; Hydrolysis ; Lyases/metabolism ; Molecular Sequence Data ; Polynucleotides ; Protein Structure, Tertiary ; Rats ; Ribosemonophosphates/*metabolism ; Xenopus laevis
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    Tissue- and species-specific expression of sp56, a mouse sperm fertilization protein (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-07-07
    Description: Mouse sperm recognize and bind to ZP3, one of three glycoproteins in the egg's zona pellucida. A mouse sperm protein, sp56, was identified that has the characteristics expected of the sperm protein responsible for recognition of ZP3. The complementary DNA encoding sp56 was isolated, and its primary sequence indicates that sp56 is a member of a superfamily of protein receptors. It was shown that sp56 expression is restricted to mouse spermatids and that the presence or absence of sp56 on sperm from different species accounts for species specificity of sperm-egg recognition in mice.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bookbinder, L H -- Cheng, A -- Bleil, J D -- R01 HD 27847/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1995 Jul 7;269(5220):86-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Scripps Research Institute, Department of Molecular Biology, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7604284" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cricetinae ; Egg Proteins/*metabolism ; Female ; Guinea Pigs ; Humans ; Male ; Membrane Glycoproteins/*metabolism ; Mice ; Molecular Sequence Data ; Molecular Weight ; Organ Specificity ; RNA, Messenger/analysis/genetics ; Receptors, Cell Surface/*biosynthesis/chemistry/genetics/metabolism ; Species Specificity ; Sperm-Ovum Interactions/*physiology ; Spermatids/metabolism ; Spermatozoa/*metabolism ; Zona Pellucida/*metabolism
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Great transitions (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-11-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Abelson, P H -- New York, N.Y. -- Science. 1995 Nov 10;270(5238):895.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7481778" target="_blank"〉PubMed〈/a〉
    Keywords: *Adolescent ; Adolescent Behavior ; Female ; Health Education ; Humans ; Life Style ; Male ; Peer Group ; Television
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    Flaws in risk assessments (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-10-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Abelson, P H -- New York, N.Y. -- Science. 1995 Oct 13;270(5234):215.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7569958" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Eating ; Gene Frequency ; Humans ; Longevity ; Mice ; Rats ; Reproducibility of Results ; Risk Assessment ; *Toxicity Tests ; United States ; United States Environmental Protection Agency
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    Recombinant mouse OB protein: evidence for a peripheral signal linking adiposity and central neural networks (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-07-28
    Description: The recent positional cloning of the mouse ob gene and its human homology has provided the basis to investigate the potential role of the ob gene product in body weight regulation. A biologically active form of recombinant mouse OB protein was overexpressed and purified to near homogeneity from a bacterial expression system. Peripheral and central administration of microgram doses of OB protein reduced food intake and body weight of ob/ob and diet-induced obese mice but not in db/db obese mice. The behavioral effects after brain administration suggest that OB protein can act directly on neuronal networks that control feeding and energy balance.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Campfield, L A -- Smith, F J -- Guisez, Y -- Devos, R -- Burn, P -- New York, N.Y. -- Science. 1995 Jul 28;269(5223):546-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Metabolic Diseases, Hoffmann-La Roche Incorporated, Nutley, NJ 07110, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7624778" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain/drug effects/*physiology ; Diabetes Mellitus/genetics/physiopathology ; Diet ; Dose-Response Relationship, Drug ; Eating/*drug effects ; Female ; Injections, Intraperitoneal ; Injections, Intravenous ; Injections, Intraventricular ; Leptin ; Male ; Mice ; Mice, Inbred AKR ; Mice, Inbred C57BL ; Mice, Obese ; Nerve Net/drug effects/*physiology ; Obesity/genetics/*physiopathology ; Proteins/administration & dosage/*pharmacology/physiology ; Recombinant Proteins/administration & dosage/pharmacology ; Weight Loss/*drug effects
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    Inhibitors of HIV nucleocapsid protein zinc fingers as candidates for the treatment of AIDS (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-11-17
    Description: Strategies for the treatment of human immunodeficiency virus-type 1 (HIV-1) infection must contend with the obstacle of drug resistance. HIV-1 nucleocapsid protein zinc fingers are prime antiviral targets because they are mutationally intolerant and are required both for acute infection and virion assembly. Nontoxic disulfide-substituted benzamides were identified that attack the zinc fingers, inactivate cell-free virions, inhibit acute and chronic infections, and exhibit broad antiretroviral activity. The compounds were highly synergistic with other antiviral agents, and resistant mutants have not been detected. Zinc finger-reactive compounds may offer an anti-HIV strategy that restricts drug-resistance development.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rice, W G -- Supko, J G -- Malspeis, L -- Buckheit, R W Jr -- Clanton, D -- Bu, M -- Graham, L -- Schaeffer, C A -- Turpin, J A -- Domagala, J -- Gogliotti, R -- Bader, J P -- Halliday, S M -- Coren, L -- Sowder, R C 2nd -- Arthur, L O -- Henderson, L E -- New York, N.Y. -- Science. 1995 Nov 17;270(5239):1194-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Antiviral Drug Mechanisms, PRI/DynCorp., National Cancer Institute-Frederick Cancer Research and Development Center, MD 21702, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7502043" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antiviral Agents/chemistry/pharmacokinetics/*pharmacology ; Benzamides/chemistry/pharmacokinetics/*pharmacology ; Biological Availability ; Capsid/chemistry/*metabolism ; *Capsid Proteins ; Cell Line ; Disulfides/chemistry/pharmacokinetics/*pharmacology ; Drug Resistance, Microbial ; Drug Synergism ; Gene Products, gag/*antagonists & inhibitors/chemistry ; HIV-1/*drug effects/physiology ; Humans ; Male ; Mice ; Molecular Sequence Data ; *Viral Proteins ; Zinc Fingers/*drug effects ; gag Gene Products, Human Immunodeficiency Virus
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    Superresolution three-dimensional images of fluorescence in cells with minimal light exposure (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-06-09
    Description: Fluorescent probes offer insight into the highly localized and rapid molecular events that underlie cell function. However, methods are required that can efficiently transform the limited signals from such probes into high-resolution images. An algorithm has now been developed that produces highly accurate images of fluorescent probe distribution inside cells with minimal light exposure and a conventional light microscope. This method provides resolution nearly four times greater than that currently available from any fluorescence microscope and was used to study several biological problems.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Carrington, W A -- Lynch, R M -- Moore, E D -- Isenberg, G -- Fogarty, K E -- Fay, F S -- New York, N.Y. -- Science. 1995 Jun 9;268(5216):1483-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Program in Molecular Medicine, University of Massachusetts Medical School, Worcester 01605, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7770772" target="_blank"〉PubMed〈/a〉
    Keywords: Algorithms ; Animals ; Calcium Channels/analysis ; Cell Line ; Cell Physiological Phenomena ; Cells/*chemistry/*ultrastructure ; Cells, Cultured ; Fluorescence ; *Fluorescent Dyes ; Guinea Pigs ; Hexokinase/analysis ; *Image Processing, Computer-Assisted ; Light ; Microscopy, Fluorescence ; Microtubules/ultrastructure ; Muscle Proteins/analysis ; Muscle, Smooth/cytology/enzymology ; Rats ; Ryanodine Receptor Calcium Release Channel
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    Unimpaired thymic and peripheral T cell death in mice lacking the nuclear receptor NGFI-B (Nur77) (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-07-28
    Description: T cell hybridomas require the immediate-early gene NGFI-B (nur77) for T cell receptor (TCR)-mediated apoptosis, a model for negative selection of self-reactive T cells. TCR-mediated death was examined in mice bearing an NGFI-B loss-of-function mutation, either by administration of antibodies to CD3 (anti-CD3) or in two well-characterized transgenic models expressing self-reactive TCRs. Both the extent and the rate of thymocyte death were unimpaired. Anti-CD3-induced death was normal in CD4+ peripheral T cells, in which death is mediated predominantly by the Fas signaling pathway. Thus, no unique requirement for NGFI-B is observed for thymic or peripheral T cell death.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lee, S L -- Wesselschmidt, R L -- Linette, G P -- Kanagawa, O -- Russell, J H -- Milbrandt, J -- P01 CA49712/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1995 Jul 28;269(5223):532-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Washington University School of Medicine, St. Louis, MO 63110, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7624775" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies ; Antigens, CD3/immunology/physiology ; *Apoptosis ; Cells, Cultured ; Clonal Deletion ; Crosses, Genetic ; DNA-Binding Proteins/genetics/*physiology ; Female ; Gene Targeting ; Hybridomas ; Male ; Mice ; Mice, Transgenic ; Nuclear Receptor Subfamily 4, Group A, Member 1 ; Receptors, Antigen, T-Cell, alpha-beta/*physiology ; Receptors, Cytoplasmic and Nuclear ; Receptors, Steroid/genetics/*physiology ; Stem Cells ; T-Lymphocyte Subsets/cytology ; T-Lymphocytes/*cytology/immunology ; Thymus Gland/cytology ; Transcription Factors/genetics/*physiology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 77
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    Association of protein kinase A and protein phosphatase 2B with a common anchoring protein (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-01-06
    Description: Specificity of protein kinases and phosphatases may be achieved through compartmentalization with preferred substrates. In neurons, adenosine 3', 5'-monophosphate (cAMP)-dependent protein kinase (PKA) is localized at postsynaptic densities by association of its regulatory subunit with an A kinase anchor protein, AKAP79. Interaction cloning experiments demonstrated that AKAP79 also binds protein phosphatase 2B, or calcineurin (CaN). A ternary complex of PKA, AKAP, and CaN was isolated from bovine brain, and colocalization of the kinase and the phosphatase was established in neurites of cultured hippocampal neurons. The putative CaN-binding domain of AKAP79 is similar to that of the immunophilin FKBP-12, and AKAP79 inhibited CaN phosphatase activity. These results suggest that both PKA and CaN are targeted to subcellular sites by association with a common anchor protein and thereby regulate the phosphorylation state of key neuronal substrates.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Coghlan, V M -- Perrino, B A -- Howard, M -- Langeberg, L K -- Hicks, J B -- Gallatin, W M -- Scott, J D -- DK09059/DK/NIDDK NIH HHS/ -- GM48231/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1995 Jan 6;267(5194):108-11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Vollum Institute, Oregon Health Sciences University, Portland 97201.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7528941" target="_blank"〉PubMed〈/a〉
    Keywords: A Kinase Anchor Proteins ; *Adaptor Proteins, Signal Transducing ; Amino Acid Sequence ; Animals ; Binding Sites ; *Brain Chemistry ; Calcineurin ; Calmodulin-Binding Proteins/analysis/antagonists & inhibitors/*metabolism ; Carrier Proteins/analysis ; Cattle ; Cells, Cultured ; Cyclic AMP-Dependent Protein Kinases/analysis/*metabolism ; Hippocampus/chemistry ; Molecular Sequence Data ; Neurites/chemistry ; Phosphoprotein Phosphatases/analysis/antagonists & inhibitors/*metabolism ; Phosphorylation ; Proteins/*metabolism/pharmacology ; Rats ; Recombinant Proteins/pharmacology ; Tacrolimus/pharmacology
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    E5531, a pure endotoxin antagonist of high potency (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-04-07
    Description: Shock due to Gram-negative bacterial sepsis is a consequence of acute inflammatory response to lipopolysaccharide (LPS) or endotoxin released from bacteria. LPS is a major constituent of the outer membrane of Gram-negative bacteria, and its terminal disaccharide phospholipid (lipid A) portion contains the key structural features responsible for toxic activity. Based on the proposed structure of nontoxic Rhodobacter capsulatus lipid A, a fully stabilized endotoxin antagonist E5531 has been synthesized. In vitro, E5531 demonstrated potent antagonism of LPS-mediated cellular activation in a variety of systems. In vivo, E5531 protected mice from LPS-induced lethality and, in cooperation with an antibiotic, protected mice from a lethal infection of viable Escherichia coli.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Christ, W J -- Asano, O -- Robidoux, A L -- Perez, M -- Wang, Y -- Dubuc, G R -- Gavin, W E -- Hawkins, L D -- McGuinness, P D -- Mullarkey, M A -- New York, N.Y. -- Science. 1995 Apr 7;268(5207):80-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Elsai Research Institute, Andover, MA 01810-2441, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7701344" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; BCG Vaccine/immunology ; Cytokines/secretion ; Drug Design ; Endotoxins/*antagonists & inhibitors ; Escherichia coli Infections/immunology ; Gram-Negative Bacteria/immunology ; Humans ; In Vitro Techniques ; Lipid A/*analogs & derivatives/chemical synthesis/chemistry/pharmacology ; Lipopolysaccharides/antagonists & inhibitors ; Macrophages/immunology ; Male ; Mice ; Mice, Inbred C57BL ; Monocytes/immunology ; Moxalactam/pharmacology ; Nitric Oxide/metabolism ; Rhodobacter capsulatus/immunology ; Tumor Necrosis Factor-alpha/secretion
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    Women: absent term in the AIDS research equation (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-08-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, J -- New York, N.Y. -- Science. 1995 Aug 11;269(5225):777-80.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7638589" target="_blank"〉PubMed〈/a〉
    Keywords: *Acquired Immunodeficiency Syndrome/epidemiology/prevention & ; control/transmission ; Animals ; Anti-Infective Agents/administration & dosage/therapeutic use ; Cervix Uteri/virology ; Developing Countries ; Female ; HIV/physiology ; HIV Infections/epidemiology/prevention & control/transmission ; Humans ; Male ; Nonoxynol/therapeutic use ; *Research ; Risk Factors ; Sex Distribution ; Sexual Behavior ; Sexually Transmitted Diseases/complications ; Vagina/virology
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  • 80
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    A p53-dependent mouse spindle checkpoint (1995)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1995-03-03
    Description: Cell cycle checkpoints enhance genetic fidelity by causing arrest at specific stages of the cell cycle when previous events have not been completed. The tumor suppressor p53 has been implicated in a G1 checkpoint. To investigate whether p53 also participates in a mitotic checkpoint, cultured fibroblasts from p53-deficient mouse embryos were exposed to spindle inhibitors. The fibroblasts underwent multiple rounds of DNA synthesis without completing chromosome segregation, thus forming tetraploid and octaploid cells. Deficiency of p53 was also associated with the development of tetraploidy in vivo. These results suggest that murine p53 is a component of a spindle checkpoint that ensures the maintenance of diploidy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cross, S M -- Sanchez, C A -- Morgan, C A -- Schimke, M K -- Ramel, S -- Idzerda, R L -- Raskind, W H -- Reid, B J -- R01CA55814/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1995 Mar 3;267(5202):1353-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, University of Washington, Seattle 98195.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7871434" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Cycle ; Cells, Cultured ; DNA/biosynthesis ; Demecolcine/pharmacology ; Diploidy ; Female ; Genes, p53 ; Male ; Mice ; *Mitosis ; Nocodazole/pharmacology ; Ploidies ; Spindle Apparatus/*physiology ; Tumor Suppressor Protein p53/*physiology
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  • 81
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    Object-centered direction selectivity in the macaque supplementary eye field (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-08-18
    Description: Object-centered spatial awareness--awareness of the location, relative to an object, of its parts--plays an important role in many aspects of perception, imagination, and action. One possible basis for this capability is the existence in the brain of neurons with sensory receptive fields or motor action fields that are defined relative to an object-centered frame. In experiments described here, neuronal activity was monitored in the supplementary eye field of macaque monkeys making eye movements to the right or left end of a horizontal bar. Neurons were found to fire differentially as a function of the end of the bar to which an eye movement was made. This is direct evidence for the existence of neurons sensitive to the object-centered direction of movements.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Olson, C R -- Gettner, S N -- 1 F32 NS09452/NS/NINDS NIH HHS/ -- R01 NS27287/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1995 Aug 18;269(5226):985-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Oral and Craniofacial Biological Sciences, College of Dental Surgery, University of Maryland, Baltimore 21201, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7638625" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain Mapping ; Eye Movements/*physiology ; Frontal Lobe/*physiology ; Macaca ; Male ; Neurons/*physiology ; Photic Stimulation ; *Visual Perception
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  • 82
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    Missing Alzheimer's gene found (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-08-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barinaga, M -- New York, N.Y. -- Science. 1995 Aug 18;269(5226):917-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7638610" target="_blank"〉PubMed〈/a〉
    Keywords: Alzheimer Disease/ethnology/*genetics ; Amyloid beta-Peptides/biosynthesis ; Chromosomes, Human, Pair 1/*genetics ; DNA, Complementary ; Female ; Gene Expression ; Genes ; Germany/ethnology ; Humans ; Male ; Membrane Proteins/genetics ; Mutation ; Presenilin-1 ; Sequence Homology, Nucleic Acid
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  • 83
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    Stable transfection of malaria parasite blood stages (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-06-02
    Description: Genetic manipulation of malaria parasites would revolutionize the study of this group of pathogens and have implications for vaccine and drug development. This report describes the stable, drug-selectable genetic transformation of the clinically relevant intracellular blood stages of a malaria parasite. A plasmid transfection vector carrying the gene locus that encodes a drug-resistant form of the bifunctional enzyme dihydrofolate reductase-thymidylate synthase from the rodent malaria parasite Plasmodium berghei was constructed. Derivatives of this vector were introduced into merozoites of P. berghei by electroporation, and parasites were selected for successful transformation in the rodent host on the basis of resistance to pyrimethamine. The plasmids were present in a circular, unrearranged form that replicated episomally to an observed maximum of 15 copies per cell in drug-resistant populations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉van Dijk, M R -- Waters, A P -- Janse, C J -- New York, N.Y. -- Science. 1995 Jun 2;268(5215):1358-62.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Parasitology, University of Leiden, Netherlands.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7761856" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; DNA Replication ; Drug Resistance ; Electroporation ; Erythrocytes/parasitology ; Genes, Protozoan ; Genetic Vectors ; Molecular Sequence Data ; Multienzyme Complexes/*genetics ; Plasmids ; Plasmodium berghei/drug effects/*genetics/growth & development ; Point Mutation ; Pyrimethamine/*pharmacology ; Rats ; Rats, Wistar ; Replication Origin ; Tetrahydrofolate Dehydrogenase/*genetics ; Thymidylate Synthase/*genetics ; *Transfection
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  • 84
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    The ARF1 GTPase-activating protein: zinc finger motif and Golgi complex localization (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-12-22
    Description: Hydrolysis of guanosine triphosphate (GTP) by the small guanosine triphosphatase (GTPase) adenosine diphosphate ribosylation factor-1 (ARF1) depends on a GTPase-activating protein (GAP). A complementary DNA encoding the ARF1 GAP was cloned from rat liver and predicts a protein with a zinc finger motif near the amino terminus. The GAP function required an intact zinc finger and additional amino-terminal residues. The ARF1 GAP was localized to the Golgi complex and was redistributed into a cytosolic pattern when cells were treated with brefeldin A, a drug that prevents ARF1-dependent association of coat proteins with the Golgi. Thus, the GAP is likely to be recruited to the Golgi by an ARF1-dependent mechanism.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cukierman, E -- Huber, I -- Rotman, M -- Cassel, D -- New York, N.Y. -- Science. 1995 Dec 22;270(5244):1999-2002.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Technion-Israel Institute of Technology, Haifa, Israel.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8533093" target="_blank"〉PubMed〈/a〉
    Keywords: ADP-Ribosylation Factor 1 ; ADP-Ribosylation Factors ; Alternative Splicing ; Amino Acid Sequence ; Animals ; Base Sequence ; Brefeldin A ; Cloning, Molecular ; Cyclopentanes/pharmacology ; Cytosol/metabolism ; DNA, Complementary ; GTP-Binding Proteins/*metabolism ; GTPase-Activating Proteins ; Golgi Apparatus/*metabolism ; Guanosine Triphosphate/metabolism ; Liver/metabolism ; Molecular Sequence Data ; Proteins/chemistry/genetics/isolation & purification/*metabolism ; Rats ; *Zinc Fingers
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  • 85
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    Pineal serotonin N-acetyltransferase: expression cloning and molecular analysis (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-12-08
    Description: Pineal serotonin N-acetyltransferase (arylalkylamine N-acetyltransferase, or AA-NAT) generates the large circadian rhythm in melatonin, the hormone that coordinates daily and seasonal physiology in some mammals. Complementary DNA encoding ovine AA-NAT was cloned. The abundance of AA-NAT messenger RNA (mRNA) during the day was high in the ovine pineal gland and somewhat lower in retina. AA-NAT mRNA was found unexpectedly in the pituitary gland and in some brain regions. The night-to-day ratio of ovine pineal AA-NAT mRNA is less than 2. In contrast, the ratio exceeds 150 in rats. AA-NAT represents a family within a large superfamily of acetyltransferases.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Coon, S L -- Roseboom, P H -- Baler, R -- Weller, J L -- Namboodiri, M A -- Koonin, E V -- Klein, D C -- New York, N.Y. -- Science. 1995 Dec 8;270(5242):1681-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Section on Neuroendocrinology, National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20892, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7502081" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Arylamine N-Acetyltransferase/*genetics/metabolism ; Brain/metabolism ; Cell Line ; Circadian Rhythm ; *Cloning, Molecular ; DNA, Complementary/genetics ; Molecular Sequence Data ; Pineal Gland/*enzymology/metabolism ; Pituitary Gland/metabolism ; RNA, Messenger/genetics/metabolism ; Rats ; Retina/metabolism ; Sequence Alignment ; Sheep ; Transfection
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    The Y chromosome and the origin of all of us (men) (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-05-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Paabo, S -- New York, N.Y. -- Science. 1995 May 26;268(5214):1141-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institut of Zoology, University of Munich, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7761828" target="_blank"〉PubMed〈/a〉
    Keywords: Africa ; Alleles ; Animals ; *Biological Evolution ; DNA, Mitochondrial/genetics ; Female ; *Genetic Variation ; Hominidae/genetics ; Humans ; Male ; Primates/genetics ; Y Chromosome/*genetics
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    Women, math, and test scores (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-10-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kegel-Flom, P -- Didion, C J -- New York, N.Y. -- Science. 1995 Oct 20;270(5235):364-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7569987" target="_blank"〉PubMed〈/a〉
    Keywords: Aptitude ; Female ; Humans ; *Intelligence Tests ; Male ; *Mathematics ; Science ; *Sex Characteristics
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  • 88
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    Activation of a G protein complex by aggregation of beta-1,4-galactosyltransferase on the surface of sperm (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-09-22
    Description: Fertilization is initiated by the species-specific binding of sperm to the extracellular coat of the egg. One sperm receptor for the mouse egg is beta-1,4-galactosyltransferase (GalTase), which binds O-linked oligosaccharides on the egg coat glycoprotein ZP3. ZP3 binding induces acrosomal exocytosis through the activation of a pertussis toxin-sensitive heterotrimeric guanine nucleotide-binding protein (G protein). The cytoplasmic domain of sperm surface GalTase bound to and activated a heterotrimeric G protein complex that contained the Gi alpha subunit. Aggregation of GalTase by multivalent ligands elicited G protein activation. Sperm from transgenic mice that overexpressed GalTase had higher rates of G protein activation than did wild-type sperm, which rendered transgenic sperm hypersensitive to their ZP3 ligand. Thus, the cytoplasmic domain of cell surface GalTase appears to enable it to function as a signal-transducing receptor for extracellular oligosaccharide ligands.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gong, X -- Dubois, D H -- Miller, D J -- Shur, B D -- R01 HD22590/HD/NICHD NIH HHS/ -- R01 HD23479/HD/NICHD NIH HHS/ -- T32 HD07324/HD/NICHD NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1995 Sep 22;269(5231):1718-21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Molecular Biology, University of Texas M.D. Anderson Cancer Center, Houston 77030, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7569899" target="_blank"〉PubMed〈/a〉
    Keywords: Acrosome/physiology ; Adenosine Diphosphate Ribose/metabolism ; Amino Acid Sequence ; Animals ; Cell Membrane/enzymology/metabolism ; Egg Proteins/*metabolism ; GTP-Binding Proteins/*metabolism ; Guanosine 5'-O-(3-Thiotriphosphate)/metabolism ; Ligands ; Male ; Membrane Glycoproteins/*metabolism ; Mice ; Mice, Transgenic ; Molecular Sequence Data ; N-Acetyllactosamine Synthase/*metabolism ; Peptide Fragments/metabolism ; Pertussis Toxin ; *Receptors, Cell Surface ; Signal Transduction ; Spermatozoa/enzymology/*metabolism ; Virulence Factors, Bordetella/pharmacology ; Zona Pellucida/*chemistry
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  • 89
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    Age-related reductions in human recognition memory due to impaired encoding (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-07-14
    Description: The participation of the medial temporal cortex and other cerebral structures in the memory impairment that accompanies aging was examined by means of positron emission tomography. Cerebral blood flow (rCBF) was measured during encoding and recognition of faces. Young people showed increased rCBF in the right hippocampus and the left prefrontal and temporal cortices during encoding and in the right prefrontal and parietal cortex during recognition. Old people showed no significant activation in areas activated during encoding in young people but did show right prefrontal activation during recognition. Age-related impairments of memory may be due to a failure to encode the stimuli adequately, which is reflected in the lack of cortical and hippocampal activation during encoding.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Grady, C L -- McIntosh, A R -- Horwitz, B -- Maisog, J M -- Ungerleider, L G -- Mentis, M J -- Pietrini, P -- Schapiro, M B -- Haxby, J V -- New York, N.Y. -- Science. 1995 Jul 14;269(5221):218-21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Brain Aging and Dementia Section, National Institute on Aging, National Institutes of Health (NIH), Bethesda, MD 20892, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7618082" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Aging/*physiology ; Cerebral Cortex/blood supply/*physiology/radionuclide imaging ; Female ; Hippocampus/blood supply/*physiology/radionuclide imaging ; Humans ; Male ; Memory/*physiology ; Nerve Net/physiology ; Occipital Lobe/blood supply/physiology/radionuclide imaging ; Parietal Lobe/blood supply/physiology/radionuclide imaging ; Prefrontal Cortex/blood supply/physiology/radionuclide imaging ; Regional Blood Flow ; Tomography, Emission-Computed
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  • 90
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    Presynaptic component of long-term potentiation visualized at individual hippocampal synapses (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-06-16
    Description: Long-term potentiation has previously been studied with electrophysiological techniques that do not readily separate presynaptic and postsynaptic contributions. Changes in exocytotic-endocytotic cycling have now been monitored at synapses between cultured rat hippocampal neurons by measuring the differential uptake of antibodies that recognize the intraluminal domain of the synaptic vesicle protein synaptotagmin. Vesicular cycling increased markedly during glutamate-induced long-term potentiation. The degree of potentiation was heterogeneous, appearing greater at synapses at which the initial extent of vesicular turnover was low. Thus, changes in presynaptic activity were visualized directly and the spatial distribution of potentiation could be determined at the level of single synaptic boutons.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Malgaroli, A -- Ting, A E -- Wendland, B -- Bergamaschi, A -- Villa, A -- Tsien, R W -- Scheller, R H -- D.016/Telethon/Italy -- New York, N.Y. -- Science. 1995 Jun 16;268(5217):1624-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Scientific Institute San Raffaele, Milan, Italy.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7777862" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; *Calcium-Binding Proteins ; Cells, Cultured ; Glutamic Acid/pharmacology ; Hippocampus/*cytology/physiology ; Long-Term Potentiation/drug effects/*physiology ; Membrane Glycoproteins/analysis/immunology ; Molecular Sequence Data ; Nerve Tissue Proteins/analysis/immunology ; Neurons/*physiology ; Patch-Clamp Techniques ; Potassium/pharmacology ; Presynaptic Terminals/drug effects/*physiology ; Pyrroles/pharmacology ; Rats ; Receptors, N-Methyl-D-Aspartate/physiology ; *Synaptic Transmission/drug effects ; Synaptic Vesicles/chemistry/metabolism ; Synaptotagmins
    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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  • 91
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    AIDS intervention in Uganda (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-10-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wawer, M J -- Gray, R H -- Quinn, T -- New York, N.Y. -- Science. 1995 Oct 27;270(5236):564-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7570005" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*prevention & control/transmission ; Anti-Bacterial Agents/economics/therapeutic use ; Anti-Infective Agents/economics/therapeutic use ; Azithromycin/economics/therapeutic use ; Ciprofloxacin/economics/therapeutic use ; Clinical Trials as Topic ; Costs and Cost Analysis ; Female ; Humans ; Male ; Sexually Transmitted Diseases/*drug therapy ; Uganda
    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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  • 92
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    Diet and test animals (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-12-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hart, R W -- Turturro, A -- Leakey, J -- Allaben, W T -- New York, N.Y. -- Science. 1995 Dec 1;270(5241):1419-21.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7491479" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Body Weight ; Carcinogenicity Tests/*methods ; *Diet ; Female ; Humans ; Male ; *Risk Assessment ; Toxicity Tests/*methods ; 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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  • 93
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    Snaring the genes that divide the sexes for mammals (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-09-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J -- New York, N.Y. -- Science. 1995 Sep 29;269(5232):1824-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7569916" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anti-Mullerian Hormone ; DAX-1 Orphan Nuclear Receptor ; DNA-Binding Proteins/genetics/physiology ; Disorders of Sex Development/genetics ; Female ; Fushi Tarazu Transcription Factors ; Gene Expression Regulation, Developmental ; *Glycoproteins ; Growth Inhibitors/genetics/physiology ; High Mobility Group Proteins/genetics/physiology ; Homeodomain Proteins ; Humans ; Male ; *Nuclear Proteins ; Ovary/embryology ; Receptors, Cytoplasmic and Nuclear ; Receptors, Retinoic Acid/genetics/physiology ; *Repressor Proteins ; SOX9 Transcription Factor ; Sex Determination Analysis ; Sex Differentiation/*genetics ; Sex-Determining Region Y Protein ; Steroidogenic Factor 1 ; Testicular Hormones/genetics/physiology ; Testis/embryology ; Transcription Factors/genetics/physiology ; WT1 Proteins ; Y Chromosome
    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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  • 94
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    Sex differences in mental test scores, variability, and numbers of high-scoring individuals (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-07-07
    Description: Sex differences in central tendency, variability, and numbers of high scores on mental tests have been extensively studied. Research has not always seemed to yield consistent results, partly because most studies have not used representative samples of national populations. An analysis of mental test scores from six studies that used national probability samples provided evidence that although average sex differences have been generally small and stable over time, the test scores of males consistently have larger variance. Except in tests of reading comprehension, perceptual speed, and associative memory, males typically outnumber females substantially among high-scoring individuals.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hedges, L V -- Nowell, A -- New York, N.Y. -- Science. 1995 Jul 7;269(5220):41-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Education, University of Chicago, IL 60637, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7604277" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Analysis of Variance ; *Aptitude ; Data Interpretation, Statistical ; Female ; Humans ; *Intelligence Tests ; Male ; Mathematics ; Probability ; Reading ; Science ; *Sex Characteristics ; United States ; Writing
    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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  • 95
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    "The Duesberg phenomenon": Duesberg and other voices (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-01-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Duesberg, P H -- New York, N.Y. -- Science. 1995 Jan 20;267(5196):313-4; author reply 316.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7824919" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/epidemiology/*etiology/virology ; HIV/*pathogenicity ; HIV Seropositivity ; Humans ; Incidence ; Male ; Sarcoma, Kaposi/*etiology/virology
    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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  • 96
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    Early-onset epilepsy and postnatal lethality associated with an editing-deficient GluR-B allele in mice (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-12-08
    Description: The arginine residue at position 586 of the GluR-B subunit renders heteromeric alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionate (AMPA)-sensitive glutamate receptor channels impermeable to calcium. The codon for this arginine is introduced at the precursor messenger RNA (pre-mRNA) stage by site-selective adenosine editing of a glutamine codon. Heterozygous mice engineered by gene targeting to harbor an editing-incompetent GluR-B allele synthesized unedited GluR-B subunits and, in principal neurons and interneurons, expressed AMPA receptors with increased calcium permeability. These mice developed seizures and died by 3 weeks of age, showing that GluR-B pre-mRNA editing is essential for brain function.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brusa, R -- Zimmermann, F -- Koh, D S -- Feldmeyer, D -- Gass, P -- Seeburg, P H -- Sprengel, R -- New York, N.Y. -- Science. 1995 Dec 8;270(5242):1677-80.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Molecular Neuroendocrinology, University of Heidelberg, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7502080" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Animals ; Base Sequence ; Calcium/metabolism ; Epilepsy/*genetics/pathology ; Gene Targeting ; Glutamic Acid/metabolism ; Heterozygote ; Hippocampus/pathology ; In Situ Hybridization ; Male ; Mice ; Mice, Inbred C57BL ; Molecular Sequence Data ; Nerve Degeneration ; Neurons/*metabolism ; Polymerase Chain Reaction ; Purkinje Cells/metabolism ; Pyramidal Cells/metabolism ; *RNA Editing ; RNA Precursors/genetics/metabolism ; Receptors, AMPA/chemistry/*genetics/metabolism
    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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  • 97
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    New clue to prostate cancer spread (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-05-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J -- New York, N.Y. -- Science. 1995 May 12;268(5212):799-800.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7754364" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biomarkers, Tumor/analysis ; Cell Adhesion ; Chromosomes, Human, Pair 11 ; Cloning, Molecular ; *Genes, Tumor Suppressor ; Humans ; Male ; Mice ; Neoplasm Metastasis/*genetics ; Prostatic Neoplasms/*genetics/pathology/therapy ; Rats
    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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  • 98
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    An internal model for sensorimotor integration (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-09-29
    Description: On the basis of computational studies it has been proposed that the central nervous system internally simulates the dynamic behavior of the motor system in planning, control, and learning; the existence and use of such an internal model is still under debate. A sensorimotor integration task was investigated in which participants estimated the location of one of their hands at the end of movements made in the dark and under externally imposed forces. The temporal propagation of errors in this task was analyzed within the theoretical framework of optimal state estimation. These results provide direct support for the existence of an internal model.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wolpert, D M -- Ghahramani, Z -- Jordan, M I -- New York, N.Y. -- Science. 1995 Sep 29;269(5232):1880-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge 02139, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7569931" target="_blank"〉PubMed〈/a〉
    Keywords: Brain/*physiology ; Feedback ; Humans ; Male ; Perceptual Distortion ; *Psychomotor Performance ; *Space Perception
    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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  • 99
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    Interaction of a tyrosine kinase from human sperm with the zona pellucida at fertilization (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-07-07
    Description: A 95-kilodalton mouse sperm protein with characteristics of a protein tyrosine kinase has been identified as a receptor for ZP3, a glycoprotein in the egg's extracellular matrix. The structure of the human homolog was determined by screening an expression library from human testis; a testis-specific complementary DNA was isolated that encodes a protein similar to receptor tyrosine kinases and appears to be expressed only in testicular germ cells. Antibodies against a synthetic peptide from the intracellular domain recognized a 95-kilodalton human sperm protein that contains phosphotyrosine; human ZP3 stimulates the kinase activity of this sperm protein. Synthetic peptides corresponding to regions of the predicted extracellular domain inhibited sperm binding to human zona pellucida. Availability of the primary sequence of a receptor for ZP3 provides a rational starting point for sperm-targeted contraceptive development.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Burks, D J -- Carballada, R -- Moore, H D -- Saling, P M -- HD 18201/HD/NICHD NIH HHS/ -- HD 29125/HD/NICHD NIH HHS/ -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 1995 Jul 7;269(5220):83-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Obstetrics and Gynecology, Duke University Medical Center, Durham, NC 27710, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7541556" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Egg Proteins/*metabolism ; Female ; Humans ; Male ; Membrane Glycoproteins/*metabolism ; Mice ; Molecular Sequence Data ; Molecular Weight ; Phosphorylation ; Phosphotyrosine ; Proto-Oncogene Proteins ; Receptor Protein-Tyrosine Kinases/chemistry/genetics/*metabolism ; *Receptors, Cell Surface ; Sperm-Ovum Interactions/*physiology ; Spermatozoa/*metabolism ; Tyrosine/analogs & derivatives/metabolism ; Zona Pellucida/*metabolism
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 100
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    Requirement for generation of H2O2 for platelet-derived growth factor signal transduction (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-10-13
    Description: Stimulation of rat vascular smooth muscle cells (VSMCs) by platelet-derived growth factor (PDGF) transiently increased the intracellular concentration of hydrogen peroxide (H2O2). This increase could be blunted by increasing the intracellular concentration of the scavenging enzyme catalase or by the chemical antioxidant N-acetylcysteine. The response of VSMCs to PDGF, which includes tyrosine phosphorylation, mitogen-activated protein kinase stimulation, DNA synthesis, and chemotaxis, was inhibited when the growth factor-stimulated rise in H2O2 concentration was blocked. These results suggest that H2O2 may act as a signal-transducing molecule, and they suggest a potential mechanism for the cardioprotective effects of antioxidants.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sundaresan, M -- Yu, Z X -- Ferrans, V J -- Irani, K -- Finkel, T -- New York, N.Y. -- Science. 1995 Oct 13;270(5234):296-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cardiology Branch, National Heart, Lung, and Blood Institute (NHLBI), National Institutes of Health (NIH), Bethesda, MD 20892-1650, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7569979" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylcysteine/pharmacology ; Adenoviridae/genetics/physiology ; Animals ; Calcium-Calmodulin-Dependent Protein Kinases/metabolism ; Catalase/metabolism ; Cell Line ; Cells, Cultured ; Chemotaxis/drug effects ; Endopeptidase K ; Free Radical Scavengers/pharmacology ; Humans ; Hydrogen Peroxide/*metabolism ; Mitogen-Activated Protein Kinase 1 ; Mitogen-Activated Protein Kinase 3 ; *Mitogen-Activated Protein Kinases ; Muscle, Smooth, Vascular/cytology/drug effects/*metabolism/virology ; Phosphorylation ; Phosphotyrosine/metabolism ; Platelet-Derived Growth Factor/*pharmacology ; Protein-Tyrosine Kinases/metabolism ; Rats ; Serine Endopeptidases/metabolism ; *Signal Transduction
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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