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  • Cricetinae
  • American Association for the Advancement of Science (AAAS)  (28)
  • 1980-1984  (28)
  • 1983  (13)
  • 1982  (15)
Collection
Publisher
  • American Association for the Advancement of Science (AAAS)  (28)
Years
  • 1980-1984  (28)
Year
  • 1
    Publication Date: 1982-06-25
    Description: Golden Syrian hamsters were placed individually in cages with three drinking bottles--one empty, one containing water, and the third containing water and ethanol. Control hamsters received water only. After 1 year the experimental hamsters showed a significantly lower concentration of leucine-enkephalin-like immunoreactive substance in the basal ganglia than the control hamsters. This finding indicates that the action of ethanol involves endogenous peptidyl opiates.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Blum, K -- Briggs, A H -- Elston, S F -- DeLallo, L -- Sheridan, P J -- Sar, M -- New York, N.Y. -- Science. 1982 Jun 25;216(4553):1425-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7089531" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Basal Ganglia/*drug effects ; Cricetinae ; Endorphins/*analysis ; Enkephalin, Leucine ; Enkephalins/*analysis/metabolism ; Ethanol/metabolism/*pharmacology ; Mesocricetus ; Time Factors
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1982-08-06
    Description: Depletion of glutathione in Chinese hamster ovary cells in vitro by diethyl maleate resulted in enhancement of the effect of x-rays on cell survival under hypoxic conditions but not under oxygenated conditions. Hypoxic EMT6 tumor cells were similarly sensitized in vivo. The action of diethyl maleate is synergistic with the effect of the electron-affinic radiosensitizer misonidazole, suggesting that the effectiveness of misonidazole in cancer radiotherapy may be improved by combining it with drugs that deplete intracellular glutathione.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bump, E A -- Yu, N Y -- Brown, J M -- CA-15201/CA/NCI NIH HHS/ -- CM-87207/CM/NCI NIH HHS/ -- New York, N.Y. -- Science. 1982 Aug 6;217(4559):544-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7089580" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anoxia ; Cell Survival/drug effects/*radiation effects ; Cells, Cultured ; Cricetinae ; Cricetulus ; Drug Synergism ; Glutathione/*metabolism ; Maleates/administration & dosage ; Mice ; Mice, Inbred BALB C ; Misonidazole/administration & dosage ; Neoplasms, Experimental/metabolism ; *Oxygen Consumption
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  • 3
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1982-07-23
    Description: Cadmium chloride, administered intratracheally to golden Syrian hamsters, causes an acute lung injury which evolves into a lesion with functional and morphological features of diffuse fibrosis. With simultaneous feeding of a lathyrogen, beta-aminoproprionitrile, this same injury evolves into functional and morphological changes of bullous emphysema. These results suggest that the same lung injury might result in either fibrosis or emphysema, connective tissue synthesis during the healing phase being the critical determinant.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Niewoehner, D E -- Hoidal, J R -- New York, N.Y. -- Science. 1982 Jul 23;217(4557):359-60.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7089570" target="_blank"〉PubMed〈/a〉
    Keywords: Aminopropionitrile/pharmacology ; Animals ; Cadmium/pharmacology ; Cadmium Chloride ; Collagen/biosynthesis ; Connective Tissue/metabolism ; Cricetinae ; Elastin/biosynthesis ; Female ; Intubation, Intratracheal ; Lung/pathology ; Mesocricetus ; Pulmonary Emphysema/*chemically induced/pathology ; Pulmonary Fibrosis/*chemically induced/pathology
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  • 4
    Publication Date: 1982-07-23
    Description: Phenothiazine drugs, which are widely used for their antipsychotic, antianxiety, and antiemetic effects, have been found to have protozoacidal effects on the human pathogen Leishmania donovani. These compounds are lethal to both the extracellular stage of the organism, which is inoculated into humans by the sand fly, and the intracellular stage, which is found solely in human macrophages during established infection.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pearson, R D -- Manian, A A -- Harcus, J L -- Hall, D -- Hewlett, E L -- New York, N.Y. -- Science. 1982 Jul 23;217(4557):369-71.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6124040" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antipsychotic Agents/*pharmacology/therapeutic use ; Chlorpromazine/pharmacology ; Cricetinae ; Humans ; Leishmania/*drug effects ; Leishmaniasis, Visceral/*drug therapy ; Macrophages/microbiology ; Mesocricetus
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  • 5
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1982-03-19
    Description: Laetrile administered orally ot pregnant hamsters caused skeletal malformations in the offspring, but intravenous laetrile filed to result in embryopathic effects. Oral laetrile significantly increased in situ cyanide concentrations, while intravenous laetrile did not. Thiosulfate administration protected embryos from the teratogenic effects of oral laetrile. The embryopathic effects of oral laetrile appear to be due to cyanide released by bacterial beta-glucosidase activity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Willhite, C C -- New York, N.Y. -- Science. 1982 Mar 19;215(4539):1513-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7063858" target="_blank"〉PubMed〈/a〉
    Keywords: Abnormalities, Drug-Induced/*etiology ; Administration, Oral ; Amygdalin/administration & dosage/metabolism/*toxicity ; Animals ; Cricetinae ; Female ; Injections, Intravenous ; Pregnancy
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  • 6
    Publication Date: 1983-04-29
    Description: Suitably brief pulses of selectively absorbed optical radiation can cause selective damage to pigmented structures, cells, and organelles in vivo. Precise aiming is unnecessary in this unique form of radiation injury because inherent optical and thermal properties provide target selectivity. A simple, predictive model is presented. Selective damage to cutaneous microvessels and to melanosomes within melanocytes is shown after 577-nanometer (3 x 10(-7) second) and 351-nanometer (2 x 10(-8) second) pulses, respectively. Hemodynamic, histological, and ultrastructural responses are discussed.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Anderson, R R -- Parrish, J A -- R01025395/PHS HHS/ -- New York, N.Y. -- Science. 1983 Apr 29;220(4596):524-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6836297" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cricetinae ; Hot Temperature ; Humans ; *Laser Therapy ; Melanins/metabolism ; Melanocytes/ultrastructure ; Microcirculation/surgery ; Microscopy, Electron ; Microsurgery/*methods
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  • 7
    Publication Date: 1983-07-08
    Description: A diffusible factor produced and secreted by malignant murine cells was capable of inducing plasminogen activator production by normal diploid human fibroblasts. The factor's ability to induce plasminogen activator was insensitive to treatment with nucleases, but its activity was destroyed by digestion with proteases. It is proposed that such a factor would play a role in malignancy if it would recruit normal cells that were adjacent to transformed cells to produce plasminogen activator which could result in tumor-promoted proteolysis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Davies, R L -- Rifkin, D B -- Tepper, R -- Miller, A -- Kucherlapati, R -- CA-16239/CA/NCI NIH HHS/ -- CA-35171/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1983 Jul 8;221(4606):171-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6682999" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cricetinae ; Fibroblasts/drug effects/metabolism ; Humans ; Hybrid Cells/metabolism ; Melanoma/metabolism ; Mice ; Neoplasms, Experimental/*metabolism/secretion ; Peptides/pharmacology/*secretion ; Plasminogen Activators/*biosynthesis ; Rats
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  • 8
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1983-08-05
    Description: Tissue culture cells from several mammalian species, including three primate lines, were transfected with recombinant vectors carrying Escherichia coli xanthine-guanine phosphoribosyltransferase or Tn5 aminoglycoside phosphotransferase dominant selectable markers. Human HeLa and SV40-transformed xeroderma pigmentosum cells exhibited stable transformation frequencies of at least 10(-3) (0.1 percent). CV-1, an African green monkey kidney cell line, could be stably transformed with the exceptionally high frequency of 6 X 10(-2) (6 percent).〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gorman, C -- Padmanabhan, R -- Howard, B H -- New York, N.Y. -- Science. 1983 Aug 5;221(4610):551-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6306768" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Avian Sarcoma Viruses/genetics ; Cell Line ; Cercopithecus aethiops ; Cricetinae ; Cricetulus ; DNA, Recombinant/*metabolism ; Genetic Vectors ; HeLa Cells/metabolism ; Humans ; Mice ; Plasmids ; *Transfection
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  • 9
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1983-06-03
    Description: When normal diploid fibroblasts from mice, hamsters, and humans were grown in culture, the 5-methylcytosine content of their DNA's markedly decreased. The greatest rate of loss of 5-methylcytosine residues was observed in mouse cells, which survived the least number of division. Immortal mouse cell lines had more stable rates of methylation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wilson, V L -- Jones, P A -- 1-T32-CA09320/CA/NCI NIH HHS/ -- R01-GM30892/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1983 Jun 3;220(4601):1055-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6844925" target="_blank"〉PubMed〈/a〉
    Keywords: 5-Methylcytosine ; *Aging ; Animals ; Cell Division ; Cell Line ; Cricetinae ; Cytosine/analogs & derivatives/metabolism ; DNA/metabolism/*physiology ; Fibroblasts/metabolism ; Humans ; Mesocricetus ; Methylation ; Mice ; Time Factors
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  • 10
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1983-05-06
    Description: Arachidonic acid plays a central role in a biological control system where such oxygenated derivatives as prostaglandins, thromboxanes, and leukotrienes are mediators. The leukotrienes are formed by transformation of arachidonic acid into an unstable epoxide intermediate, leukotriene A4, which can be converted enzymatically by hydration to leukotriene B4, and by addition of glutathione to leukotriene C4. This last compound is metabolized to leukotrienes D4 and E4 by successive elimination of a gamma-glutamyl residue and glycine. Slow-reacting substance of anaphylaxis consists of leukotrienes C4, D4, and E4. The cysteinyl-containing leukotrienes are potent bronchoconstrictors, increase vascular permeability in postcapillary venules, and stimulate mucus secretion. Leukotriene B4 causes adhesion and chemotactic movement of leukocytes and stimulates aggregation, enzyme release, and generation of superoxide in neutrophils. Leukotrienes C4, D4, and E4, which are released from the lung tissue of asthmatic subjects exposed to specific allergens, seem to play a pathophysiological role in immediate hypersensitivity reactions. These leukotrienes, as well as leukotriene B4, have pro-inflammatory effects.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Samuelsson, B -- New York, N.Y. -- Science. 1983 May 6;220(4597):568-75.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6301011" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arachidonic Acids/metabolism/pharmacology/physiology ; Bronchi/drug effects ; Cats ; Chemical Phenomena ; Chemistry ; Cricetinae ; Guinea Pigs ; Haplorhini ; Humans ; Hypersensitivity, Immediate/*physiopathology ; Inflammation/*physiopathology ; Leukocytes/drug effects/metabolism ; Leukotriene B4/pharmacology/*physiology ; Mice ; Microcirculation/drug effects ; Rabbits ; Rats ; SRS-A/*physiology
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  • 11
    Publication Date: 1983-02-25
    Description: Tumor ascites fluids from guinea pigs, hamsters, and mice contain activity that rapidly increases microvascular permeability. Similar activity is also secreted by these tumor cells and a variety of other tumor cell lines in vitro. The permeability-increasing activity purified from either the culture medium or ascites fluid of one tumor, the guinea pig line 10 hepatocarcinoma, is a 34,000- to 42,000-dalton protein distinct from other known permeability factors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Senger, D R -- Galli, S J -- Dvorak, A M -- Perruzzi, C A -- Harvey, V S -- Dvorak, H F -- New York, N.Y. -- Science. 1983 Feb 25;219(4587):983-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6823562" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Ascites/physiopathology ; Ascitic Fluid/physiology ; *Capillary Permeability ; Cricetinae ; Guinea Pigs ; Mice ; Neoplasms, Experimental/*physiopathology
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  • 12
    Publication Date: 1983-04-08
    Description: The involvement of plasma fibronectin in phagocytosis of bacteria was investigated by testing the binding of fibronectin to several species of bacteria and by evaluating the ability of fibronectin to promote binding and endocytosis of two species of these bacteria by phagocytic cells. Fibronectin binds non-covalently to Gram-positive and Gram-negative bacteria and to yeast but did not appear to be necessary or sufficient for uptake of Staphylococcus aureus and Salmonella typhimurium by several different phagocytic cell types.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Van de Water, L -- Destree, A T -- Hynes, R O -- R01CA17007/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1983 Apr 8;220(4593):201-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6338594" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bacteria/*metabolism ; Cell Line ; Cricetinae ; Endocytosis ; Fibronectins/*metabolism ; Humans ; Macrophages/physiology ; Mice ; Opsonin Proteins/physiology ; *Phagocytosis ; Rabbits ; Salmonella typhimurium/metabolism ; Sepsis/immunology ; Staphylococcus aureus/metabolism
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  • 13
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1982-08-27
    Description: Gridlike patterns of differing cell density were observed in evenly seeded cell monolayers. Such patterns were obtained in five of six cell lines tested, suggesting widespread occurrence. The mechanism appears to involve small, transient temperature changes related to incubator tray structure. The very short time course of appearance of the patterns implicates attachment rather than growth as the critically affected factor. Impaired adhesion or directed sedimentation resulting from thermally induced microcurrents in the medium are the two most likely mechanisms.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Adler, E M -- Flunk, L J -- Mullin, J M -- Kleinzeller, A -- 2 T32 GM07229-07/GM/NIGMS NIH HHS/ -- AM 12619-13/AM/NIADDK NIH HHS/ -- HL07027-07/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1982 Aug 27;217(4562):851-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7048529" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Adhesion ; Cell Count ; Cell Line ; Cells, Cultured/*cytology ; Cricetinae ; *Cytological Techniques ; Dogs ; Mice ; Temperature
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  • 14
    Publication Date: 1982-12-17
    Description: The dominant hemoglobin of the adult hamster was detected in yolk-sac erythroid cells, and its identity was confirmed by peptide mapping and by analysis of relevant peptides. Both the presence and active synthesis of two embryonic hemoglobins presumed to exist only in yolk-sac erythroid cells were detected in neonatal liver and spleen. Thus the time span of expression of both embryonic and adult globin genes during mammalian ontogeny may be considerably broader than presently believed.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Boussios, T -- Bertles, J F -- Clegg, J B -- AM 27116/AM/NIADDK NIH HHS/ -- New York, N.Y. -- Science. 1982 Dec 17;218(4578):1225-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6183746" target="_blank"〉PubMed〈/a〉
    Keywords: Age Factors ; Animals ; Cricetinae ; Fetal Hemoglobin/genetics ; Gene Expression Regulation ; Globins/*genetics ; Liver/*physiology ; Spleen/physiology ; Yolk Sac/*physiology
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  • 15
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1982-12-24
    Description: Purification of prions from scrapie-infected hamster brain yielded a protein that was not found in a similar fraction from uninfected brain. The protein migrated with an apparent molecular size of 27,000 to 30,000 daltons in sodium dodecyl sulfate polyacrylamide gels. The resistance of this protein to digestion by proteinase K distinguished it from proteins of similar molecular weight found in normal hamster brain. Initial results suggest that the amount of this protein correlates with the titer of the agent.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bolton, D C -- McKinley, M P -- Prusiner, S B -- AG02132/AG/NIA NIH HHS/ -- NS14069/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1982 Dec 24;218(4579):1309-11.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6815801" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain/*pathology ; Brain Chemistry ; Centrifugation, Density Gradient ; Cricetinae ; Electrophoresis, Polyacrylamide Gel ; Endopeptidase K ; Endopeptidases/metabolism ; Molecular Weight ; Nerve Tissue Proteins/*isolation & purification ; Prions/growth & development ; Scrapie/*pathology ; Sheep ; Virus Activation
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  • 16
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1982-01-01
    Description: The coupling of histone and DNA synthesis was examined in the temperature-sensitive hamster fibroblast cell line K12. By monitoring total cellular histone synthesis at various times after quiescent cells were stimulated to proliferate at permissive and nonpermissive temperatures, a direct correlation was found between the rates of DNA and histone synthesis. Furthermore, when DNA synthesis was blocked by the K12 mutation, histone synthesis was reduced to the basal rate.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Delegeane, A M -- Lee, A S -- 2S07RR05356/RR/NCRR NIH HHS/ -- CA27607/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1982 Jan 1;215(4528):79-81.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7053561" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Cell Cycle ; Cell Line ; Cricetinae ; DNA/biosynthesis ; *DNA Replication ; Histones/*biosynthesis ; Mutation
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  • 17
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1982-08-20
    Description: An extensive computer-assisted analysis of known pre-proinsulin coding sequences has shown correlations that can be interpreted as evidence for an intron-mediated juxtaposition of exons in the evolution of these genes. The evidence includes the discovery that the regions of the pre-proinsulin genes that code for the signal peptide consist of nearly tandem repeating units of nine base pairs. This pattern reappears in the C region of the genes after a large intron that occurs in three of the four genes analyzed. A model is proposed in which primordial insulin was coded for by two separate minigenes arising from a gene duplication, each with identical or nearly identical signal peptide coding regions. The minigenes fused into one transcriptional unit mediated by the large intron, and the signal peptide coding region of one of the putative minigenes evolved into the latter portion of the C peptide coding region.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Douthart, R J -- Norris, F H -- New York, N.Y. -- Science. 1982 Aug 20;217(4561):729-32.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7100918" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; *Biological Evolution ; Computers ; Cricetinae ; Disulfides ; Genes ; Humans ; Insulin ; Models, Genetic ; Proinsulin/*genetics ; Protein Precursors/*genetics ; Rats ; Repetitive Sequences, Nucleic Acid
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  • 18
    Publication Date: 1982-07-09
    Description: A new process has been developed which is called "Boradeption" to signify boronic acid--dependent phase transfer of water-insoluble agents. Highly fluorescent boronic acid dervatives, FluoroBoras, are solubilized with a physiologically compatible carrier buffer containing a receptor group for boronate adduct formation. The system can be used to stain living cells. In another variation of the Boradeption concept, an insoluble reporter molecule containing a boronate receptor is solubilized with a carrier buffer containing a boronic acid functional group. The boronate-receptor complexes, which are in dynamic equilibrium, can be designed as vital stains and reagents for a variety of biological and medical applications.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gallop, P M -- Paz, M A -- Henson, E -- AG-00376-07/AG/NIA NIH HHS/ -- HL-20764-04A1/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1982 Jul 9;217(4555):166-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6178158" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Transport ; *Boron Compounds/therapeutic use ; *Boronic Acids/therapeutic use ; *Cell Membrane Permeability ; Cells, Cultured ; Chemical Phenomena ; Chemistry ; Chromogenic Compounds/metabolism ; Cricetinae ; Fibroblasts ; Fluorescent Dyes/metabolism ; Humans ; Rats ; Staining and Labeling
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  • 19
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1982-12-24
    Description: Abelson murine leukemia virus (A-MuLV) is a replication-defective retrovirus that transforms lymphocytes of the B-cell lineage. This virus is a recombinant between the parental Moloney murine leukemia virus and a cellular gene termed C-abl. By analysis of a series of mouse x Chinese hamster hybrid celllines containing various mouse chromosomes, we have mapped the C-abl gene to mouse chromosome 2.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Goff, S P -- D'Eustachio, P -- Ruddle, F H -- Baltimore, D -- CA-14051/CA/NCI NIH HHS/ -- GM-09966/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1982 Dec 24;218(4579):1317-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6293057" target="_blank"〉PubMed〈/a〉
    Keywords: Abelson murine leukemia virus/*genetics ; Animals ; B-Lymphocytes ; Cell Transformation, Viral ; Chromosome Mapping ; Cricetinae ; Cricetulus ; Hybrid Cells/analysis ; Leukemia Virus, Murine/*genetics ; Mice ; *Oncogenes
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 20
    Publication Date: 1982-02-26
    Description: The circadian rhythm of activity in vertebrates often splits into two components after continuous exposure to constant light. This observation suggests that at least two circadian pacemakers underlie the activity rhythm. After unilateral ablation of the hypothalamic suprachiasmatic nuclei in hamsters, the splitting phenomenon was eliminated and a single rhythm of activity was established. The period of the new circadian activity rhythm different from the periods of the split rhythm and that preceding the split. These results suggest an interaction between the bilaterally paired suprachiasmatic nuclei in the generation of the circadian rhythm of activity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pickard, G E -- Turek, F W -- HD-09885/HD/NICHD NIH HHS/ -- HD-12622/HD/NICHD NIH HHS/ -- K04 HD-00249/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1982 Feb 26;215(4536):1119-21.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7063843" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Circadian Rhythm ; Cricetinae ; Functional Laterality ; Hypothalamus/*physiology ; Motor Activity ; Supraoptic Nucleus/*physiology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 21
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1983-05-27
    Description: The utility of somatic cell genetic analysis for the chromosomal localization of genes in mammals is well established. With the development of recombinant DNA probes and efficient blotting techniques that allow visualization of single-copy cellular genes, somatic cell genetics has been extended from the level of phenotypes expressed by whole cells to the level of the cellular genome itself. This extension has proved invaluable for the analysis of genes not readily expressed in somatic cell hybrids and for the study of multigene families, especially pseudogenes dispersed in different chromosomes throughout the genome.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉D'Eustachio, P -- Ruddle, F H -- GM-09966/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1983 May 27;220(4600):919-24.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6573776" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; *Chromosome Mapping ; Chromosomes, Human ; Cricetinae ; Cricetulus ; DNA, Recombinant/metabolism ; Genes ; Genetic Markers ; Genetics ; Humans ; Hybrid Cells/metabolism ; Mice ; Polymorphism, Genetic ; RNA, Messenger/metabolism
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 22
    Publication Date: 1982-12-24
    Description: An influenza A reassortant virus that contained the hemagglutinin and neuraminidase genes of a virulent human virus, A/Udorn/72 (H3N2), and the six other influenza A virus genome segments from an avirulent avian virus, A/Mallard/New York/6750/78 (H2N2), was evaluated for its level of replication is squirrel monkeys and hamsters. In monkeys, the reassortant virus was as attenuated and as restricted in its level of replication in the upper and lower respiratory tract as its avian influenza virus parent. Nonetheless, infection with the reassortant induced significant resistant to challenge with virulent human influenza virus. In hamsters, the reassortant virus replicated to a level intermediate between that of its parents. These findings suggest that the nonsurface antigen genes of the avian parental virus are the primary determinants of restriction of replication of the reassortant virus in monkeys. Attenuation of the reassortant virus for primates is achieved by inefficient functioning of the avian influenza genes in primate cells, while antigenic specificity of the human influenza virus is provided by the neuraminidase and hemagglutinin genes derived from the human virus. This approach could lead to the development of a live influenza A virus vaccine that is attenuated for man if the avian influenza genes are similarly restricted in human cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Murphy, B R -- Sly, D L -- Tierney, E L -- Hosier, N T -- Massicot, J G -- London, W T -- Chanock, R M -- Webster, R G -- Hinshaw, V S -- CA 21765/CA/NCI NIH HHS/ -- N01-AI-02649/AI/NIAID NIH HHS/ -- N01-NS-7-2375/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1982 Dec 24;218(4579):1330-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6183749" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, Surface/genetics ; Cricetinae ; Epitopes/genetics/immunology ; Hemagglutinins/genetics/immunology ; Influenza A virus/*genetics ; Influenza Vaccines/*immunology ; Neuraminidase/genetics/immunology ; Saimiri ; Vaccines, Attenuated/immunology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 23
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 1983-07-22
    Description: The responses of superior colliculus cells to a given sensory stimulus were influenced by the presence or absence of other sensory cues. By pooling sensory inputs, many superior colliculus cells seem to amplify the effects of subtle environmental cues in certain conditions, whereas in others, responses to normally effective stimuli can be blocked. The observations illustrate the dynamic, interactive nature of the multisensory inputs which characterize the deeper laminae of the superior colliculus.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Meredith, M A -- Stein, B E -- EY 04119/EY/NEI NIH HHS/ -- NS 06838/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1983 Jul 22;221(4608):389-91.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6867718" target="_blank"〉PubMed〈/a〉
    Keywords: Acoustic Stimulation ; Animals ; Cats ; Cricetinae ; Neural Inhibition ; Photic Stimulation ; Sensory Thresholds ; Superior Colliculi/cytology/*physiology
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  • 24
    Publication Date: 1982-03-05
    Description: Oropouche virus (arbovirus family Bunyaviridae, Simbu serological group) was experimentally transmitted from man to hamster by the bite of the midge Culicoides paraensis. Infection rates and transmission rates were determined after the midge had engorged on patients with viremia. The threshold titer necessary to enable infection or transmission by the midges was approximately 5.3 log10 of the median lethal dose of the virus in suckling mice per milliliter of blood. Transmission was achieved 6 to 12 days after C. paraensis had taken the infective blood meal. This represents conclusive evidence of transmission of an arbovirus of public health importance to man by a member of the Ceratopogonidae family.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pinheiro, F P -- Travassos da Rosa, A P -- Gomes, M L -- LeDuc, J W -- Hoch, A L -- New York, N.Y. -- Science. 1982 Mar 5;215(4537):1251-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6800036" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bunyaviridae/*physiology ; Bunyaviridae Infections/*transmission ; Ceratopogonidae/*microbiology ; Cricetinae ; Disease Models, Animal ; Humans ; Insect Vectors/*microbiology ; Simbu virus/*physiology
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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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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 1983-01-07
    Description: The length of day, or photoperiod, regulates the annual cycle of reproductive activity in the golden hamster. The inhibitory effects of a short-day photoperiod on testicular function were prevented by nighttime, but not daytime, intraventricular injections of carbachol, a cholinergic agonist. Short pulses of light during the night also block short-day induced testicular regression. The findings suggest that acetylcholine may play an important role in the mechanism through which information about the light-dark environment is transferred to the hypothalamic-pituitary-gonadal axis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Earnest, D J -- Turek, F W -- HD-00249/HD/NICHD NIH HHS/ -- HD-09885/HD/NICHD NIH HHS/ -- HD-12622/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1983 Jan 7;219(4580):77-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6849121" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylcholine/*physiology ; Animals ; Carbachol/pharmacology ; Cricetinae ; *Light ; Male ; Mesocricetus ; *Reproduction ; Testis/physiology
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  • 26
    Publication Date: 1983-03-18
    Description: The amount of early cell loss in five neocortical areas was inversely related to adult numbers of neurons in those areas. Differential cell death predicted particularly the thickness of the upper cortical laminae; it was not related to neuron numbers in the lower laminae. Cell loss thus determines some features of local neocortical differentiation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Finlay, B L -- Slattery, M -- New York, N.Y. -- Science. 1983 Mar 18;219(4590):1349-51.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6828866" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain Mapping ; Cell Survival ; Cerebral Cortex/*cytology/growth & development ; Cricetinae
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 27
    Publication Date: 1983-12-16
    Description: Fragments of the recently cloned human gene for the beta subunit of nerve growth factor (beta-NGF) were used as hybridization probes in analyzing two sets of rodent-human somatic cell hybrids for the presence of human beta-NGF sequences. Results from the first set of hybrids assigned the human beta-NGF gene to chromosome 1 and ruled out the presence of sequences of comparable homology on any other chromosome. With the second set of hybrids, which contained seven different, but overlapping, regions of chromosome 1, the NGF locus was mapped to band 1p22.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Francke, U -- de Martinville, B -- Coussens, L -- Ullrich, A -- GM 26105/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1983 Dec 16;222(4629):1248-51.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6648531" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chromosome Banding ; Chromosome Mapping ; *Chromosomes, Human, 1-3 ; Cricetinae ; *Genes ; Humans ; Hybrid Cells ; Nerve Growth Factors/*genetics ; Nucleic Acid Hybridization ; Oncogenes
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 28
    Publication Date: 1983-07-01
    Description: With a synthetic oligonucleotide mixture as probe, complementary DNA clones of C-reactive protein were isolated from an adult human liver complementary DNA library. The clones ranged in size from 700 to 1100 base pairs and were identified by partial DNA sequence analysis. One complementary DNA clone was used as a probe for hybridization with human-rodent DNA's isolated from somatic cell hybrids and bound to nitrocellulose filters (Southern blot analysis) to assign the human C-reactive protein gene to chromosome 1.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Whitehead, A S -- Bruns, G A -- Markham, A F -- Colten, H R -- Woods, D E -- AI15033/AI/NIAID NIH HHS/ -- HD4807/HD/NICHD NIH HHS/ -- HL22487/HL/NHLBI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1983 Jul 1;221(4605):69-71.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6857266" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; C-Reactive Protein/*genetics ; *Chromosome Mapping ; *Chromosomes, Human, 1-3 ; Cloning, Molecular ; Cricetinae ; DNA/*genetics/isolation & purification ; Genes ; Humans ; Hybrid Cells/metabolism ; Mice
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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