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  • Male  (21)
  • LUNAR AND PLANETARY EXPLORATION
  • 1995-1999  (23)
  • 1
    Publication Date: 1997-06-13
    Description: Mitochondrial DNA control region sequences were analyzed from 162 wolves at 27 localities worldwide and from 140 domestic dogs representing 67 breeds. Sequences from both dogs and wolves showed considerable diversity and supported the hypothesis that wolves were the ancestors of dogs. Most dog sequences belonged to a divergent monophyletic clade sharing no sequences with wolves. The sequence divergence within this clade suggested that dogs originated more than 100,000 years before the present. Associations of dog haplotypes with other wolf lineages indicated episodes of admixture between wolves and dogs. Repeated genetic exchange between dog and wolf populations may have been an important source of variation for artificial selection.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vila, C -- Savolainen, P -- Maldonado, J E -- Amorim, I R -- Rice, J E -- Honeycutt, R L -- Crandall, K A -- Lundeberg, J -- Wayne, R K -- New York, N.Y. -- Science. 1997 Jun 13;276(5319):1687-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, University of California, Los Angeles, CA 90095-1606, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9180076" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; *Biological Evolution ; Breeding ; Carnivora/*genetics ; Crosses, Genetic ; DNA, Mitochondrial/*genetics ; Dogs/classification/*genetics ; Female ; Haplotypes ; Male ; Molecular Sequence Data ; Phylogeny ; Sequence Homology, Nucleic Acid
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
    Publication Date: 1996-11-22
    Description: Despite its high prevalence, very little is known regarding genetic predisposition to prostate cancer. A genome-wide scan performed in 66 high-risk prostate cancer families has provided evidence of linkage to the long arm of chromosome 1 (1q24-25). Analysis of an additional set of 25 North American and Swedish families with markers in this region resulted in significant evidence of linkage in the combined set of 91 families. The data provide strong evidence of a major prostate cancer susceptibility locus on chromosome 1.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smith, J R -- Freije, D -- Carpten, J D -- Gronberg, H -- Xu, J -- Isaacs, S D -- Brownstein, M J -- Bova, G S -- Guo, H -- Bujnovszky, P -- Nusskern, D R -- Damber, J E -- Bergh, A -- Emanuelsson, M -- Kallioniemi, O P -- Walker-Daniels, J -- Bailey-Wilson, J E -- Beaty, T H -- Meyers, D A -- Walsh, P C -- Collins, F S -- Trent, J M -- Isaacs, W B -- CA58236/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1996 Nov 22;274(5291):1371-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Center for Human Genome Research, National Institutes of Health, Bethesda, MD, USA. jtrent@nchgr.nih.gov〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8910276" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Aged, 80 and over ; *Chromosome Mapping ; *Chromosomes, Human, Pair 1 ; Dinucleotide Repeats ; *Genes ; Genetic Linkage ; Genetic Markers ; Genetic Predisposition to Disease ; Humans ; Likelihood Functions ; Male ; Middle Aged ; North America ; Oncogenes ; Pedigree ; Prostatic Neoplasms/*genetics ; Risk Factors ; Statistics, Nonparametric ; Sweden
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    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1998-11-13
    Description: Human reovirus requires an activated Ras signaling pathway for infection of cultured cells. To investigate whether this property can be exploited for cancer therapy, severe combined immune deficient mice bearing tumors established from v-erbB-transformed murine NIH 3T3 cells or human U87 glioblastoma cells were treated with the virus. A single intratumoral injection of virus resulted in regression of tumors in 65 to 80 percent of the mice. Treatment of immune-competent C3H mice bearing tumors established from ras-transformed C3H-10T1/2 cells also resulted in tumor regression, although a series of injections were required. These results suggest that, with further work, reovirus may have applicability in the treatment of cancer.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Coffey, M C -- Strong, J E -- Forsyth, P A -- Lee, P W -- New York, N.Y. -- Science. 1998 Nov 13;282(5392):1332-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cancer Biology Research Group and Department of Microbiology and Infectious Diseases, University of Calgary Health Science Centre, Calgary, Alberta, T2N 4N1, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9812900" target="_blank"〉PubMed〈/a〉
    Keywords: 3T3 Cells ; Animals ; Antibodies, Viral/immunology ; Calcium-Calmodulin-Dependent Protein Kinases/metabolism ; Cell Line, Transformed ; Genes, erbB ; *Genes, ras ; Humans ; Male ; Mammalian orthoreovirus 3/immunology/*physiology ; Mice ; Mice, Inbred C3H ; Mice, SCID ; Neoplasm Transplantation ; Neoplasms, Experimental/metabolism/pathology/*therapy/virology ; Signal Transduction ; Tumor Cells, Cultured ; Virus Replication ; ras Proteins/*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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  • 4
    Publication Date: 1998-09-22
    Description: Fertilin, a member of the ADAM family, is found on the plasma membrane of mammalian sperm. Sperm from mice lacking fertilin beta were shown to be deficient in sperm-egg membrane adhesion, sperm-egg fusion, migration from the uterus into the oviduct, and binding to the egg zona pellucida. Egg activation was unaffected. The results are consistent with a direct role of fertilin in sperm-egg plasma membrane interaction. Fertilin could also have a direct role in sperm-zona binding or oviduct migration; alternatively, the effects on these functions could result from the absence of fertilin activity during spermatogenesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cho, C -- Bunch, D O -- Faure, J E -- Goulding, E H -- Eddy, E M -- Primakoff, P -- Myles, D G -- HD16580/HD/NICHD NIH HHS/ -- U54HD29125/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1998 Sep 18;281(5384):1857-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Section of Molecular and Cellular Biology, University of California, Davis, CA 95616, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9743500" target="_blank"〉PubMed〈/a〉
    Keywords: ADAM Proteins ; Animals ; Calcium/metabolism ; Cell Adhesion ; Cell Membrane/physiology ; Fallopian Tubes ; Female ; Male ; Membrane Fusion ; Membrane Glycoproteins/genetics/metabolism/*physiology ; Metalloendopeptidases/genetics/metabolism/*physiology ; Mice ; Mice, Inbred C57BL ; Mice, Knockout ; Ovum/physiology ; Sperm Capacitation ; *Sperm-Ovum Interactions ; Spermatogenesis ; Spermatozoa/chemistry/*physiology ; Zona Pellucida/physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
    Publication Date: 1998-11-13
    Description: The p42 mitogen-activated protein kinase (MAPK) is required for progression through meiotic M phase in Xenopus oocytes. This report examines whether it also plays a role in normal mitotic progression. MAPK was transiently activated during mitosis in cycling Xenopus egg extracts after activation of the cyclin-dependent kinase Cdc2-cyclin B. Interference with MAPK activation by immunodepletion of its activator MEK, or by addition of the MEK inhibitor PD98059, caused precocious termination of mitosis and interfered with production of normal mitotic microtubules. Sustained activation of MAPK arrested extracts in mitosis in the absence of active Cdc2-cyclin B. These findings identify a role for MEK and MAPK in maintaining the mitotic state.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Guadagno, T M -- Ferrell, J E Jr -- GM46383/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1998 Nov 13;282(5392):1312-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Pharmacology, Stanford University School of Medicine, Stanford, CA 94305-5332, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9812894" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; CDC2 Protein Kinase/metabolism ; Cyclin B/metabolism ; Enzyme Activation ; Enzyme Inhibitors/pharmacology ; Female ; Flavonoids/pharmacology ; Interphase ; MAP Kinase Kinase 1 ; Male ; Microtubules/metabolism ; Mitogen-Activated Protein Kinase 1/antagonists & inhibitors/*metabolism ; *Mitogen-Activated Protein Kinase Kinases ; *Mitosis ; Ovum/*cytology/enzymology ; Protein-Serine-Threonine Kinases/antagonists & inhibitors/metabolism ; Protein-Tyrosine Kinases/antagonists & inhibitors/metabolism ; Recombinant Proteins/metabolism/pharmacology ; Spermatozoa/physiology ; Spindle Apparatus/metabolism ; Xenopus
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  • 6
    Publication Date: 1997-04-11
    Description: The participation of medial temporal-lobe structures in memory performance was examined by functional magnetic resonance imaging of local blood oxygenation level-dependent signals. Signals were measured during encoding into memory complex scenes or line drawings and during retrieval from memory of previously studied line drawings or words. Encoding tasks yielded increased signals for unfamiliar information in a posterior medial-temporal region that were focused in the parahippocampal cortex. Retrieval tasks yielded increased signals for successfully remembered information in an anterior medial-temporal region that were focused in the subiculum. These results indicate that separate components of the human medial temporal-lobe memory system are active during distinct memory processes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gabrieli, J D -- Brewer, J B -- Desmond, J E -- Glover, G H -- New York, N.Y. -- Science. 1997 Apr 11;276(5310):264-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychology and Neuroscience Program, Stanford University, Stanford, CA 94305, USA. gabrieli@psych.stanford.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9092477" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Brain Mapping ; Female ; Hippocampus/physiology ; Humans ; Magnetic Resonance Imaging ; Male ; Memory/*physiology ; Mental Recall/*physiology ; Temporal Lobe/*physiology
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    Electronic ISSN: 1095-9203
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  • 7
    Publication Date: 1997-11-21
    Description: The gene responsible for autosomal dominant, fully penetrant, nonsyndromic sensorineural progressive hearing loss in a large Costa Rican kindred was previously localized to chromosome 5q31 and named DFNA1. Deafness in the family is associated with a protein-truncating mutation in a human homolog of the Drosophila gene diaphanous. The truncation is caused by a single nucleotide substitution in a splice donor, leading to a four-base pair insertion in messenger RNA and a frameshift. The diaphanous protein is a profilin ligand and target of Rho that regulates polymerization of actin, the major component of the cytoskeleton of hair cells of the inner ear.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lynch, E D -- Lee, M K -- Morrow, J E -- Welcsh, P L -- Leon, P E -- King, M C -- R01-DC01076/DC/NIDCD NIH HHS/ -- New York, N.Y. -- Science. 1997 Nov 14;278(5341):1315-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, University of Washington, Seattle, WA 98195, USA. eric@lynch.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9360932" target="_blank"〉PubMed〈/a〉
    Keywords: Actins/*metabolism ; *Adaptor Proteins, Signal Transducing ; Amino Acid Sequence ; Animals ; Base Sequence ; Carrier Proteins/chemistry/*genetics/physiology ; Chromosome Mapping ; Chromosomes, Human, Pair 5 ; Cochlea/metabolism ; *Contractile Proteins ; Deafness/*genetics/metabolism/pathology ; Drosophila/genetics ; *Drosophila Proteins ; Female ; Frameshift Mutation ; GTP-Binding Proteins/metabolism ; Gene Expression ; Hair Cells, Auditory/*metabolism/ultrastructure ; Humans ; Male ; Microfilament Proteins/metabolism ; Molecular Sequence Data ; Pedigree ; Profilins ; RNA Splicing ; RNA, Messenger/genetics/metabolism ; X Chromosome
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  • 8
    Publication Date: 1998-08-26
    Description: Experiences are remembered or forgotten, but the neural determinants for the mnemonic fate of experience are unknown. Event-related functional magnetic resonance imaging was used to identify specific brain activations that differentiated between visual experiences that were later remembered well, remembered less well, or forgotten. During scanning of medial temporal lobe and frontal lobe regions, subjects viewed complex, color photographs. Subjects later received a test of memory for the photographs. The magnitudes of focal activations in right prefrontal cortex and in bilateral parahippocampal cortex predicted which photographs were later remembered well, remembered less well, or forgotten.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brewer, J B -- Zhao, Z -- Desmond, J E -- Glover, G H -- Gabrieli, J D -- New York, N.Y. -- Science. 1998 Aug 21;281(5380):1185-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Neuroscience Program and School of Medicine, Stanford University, Stanford, CA 94305, USA. brewer@psych.stanford.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9712581" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Brain/physiology ; Brain Mapping ; Female ; Humans ; Magnetic Resonance Imaging ; Male ; Memory/*physiology ; Memory, Short-Term ; Prefrontal Cortex/*physiology ; Temporal Lobe/*physiology ; Visual Perception
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  • 9
    Publication Date: 1998-04-16
    Description: The molecular basis for autosomal dominant progressive nonsyndromic hearing loss in an Israeli Jewish family, Family H, has been determined. Linkage analysis placed this deafness locus, DFNA15, on chromosome 5q31. The human homolog of mouse Pou4f3, a member of the POU-domain family of transcription factors whose targeted inactivation causes profound deafness in mice, was physically mapped to the 25-centimorgan DFNA15-linked region. An 8-base pair deletion in the POU homeodomain of human POU4F3 was identified in Family H. A truncated protein presumably impairs high-affinity binding of this transcription factor in a dominant negative fashion, leading to progressive hearing loss.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vahava, O -- Morell, R -- Lynch, E D -- Weiss, S -- Kagan, M E -- Ahituv, N -- Morrow, J E -- Lee, M K -- Skvorak, A B -- Morton, C C -- Blumenfeld, A -- Frydman, M -- Friedman, T B -- King, M C -- Avraham, K B -- R01 DC01076/DC/NIDCD NIH HHS/ -- Z01 DC 00039/DC/NIDCD NIH HHS/ -- New York, N.Y. -- Science. 1998 Mar 20;279(5358):1950-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Human Genetics, Sackler School of Medicine, Tel Aviv University, Tel Aviv 69978, Israel.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9506947" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Animals ; Cell Differentiation ; Chromosome Mapping ; Chromosomes, Human, Pair 5/genetics ; Deafness/*genetics ; Female ; Gene Expression ; Genetic Linkage ; Hair Cells, Auditory/cytology/physiology ; Hearing Loss, Sensorineural/*genetics ; Homeodomain Proteins/*genetics/metabolism ; Humans ; Israel ; Jews/genetics ; Male ; Mice ; Middle Aged ; Molecular Sequence Data ; Pedigree ; Polymerase Chain Reaction ; Protein Structure, Secondary ; Sequence Deletion ; Transcription Factor Brn-3C ; Transcription Factors/*genetics/metabolism/physiology
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  • 10
    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
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