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  • 1
    Publication Date: 1984-02-17
    Description: The effect of hypoxic exposure on various mitochondrial enzymes and on cell mitochondrial genomic content was studied in two types of mammalian cells. Hypoxia depressed the activity of six enzymes to the same degree. The kinetics of depression and of recovery during reexposure to normoxia were statistically similar for three marker enzymes. Despite the global and symmetrical decrease in enzyme activities, mitochondrial DNA remained constant. This suggests either symmetrical loss of mitochondrial enzymes from all mitochondria or complete loss of enzymes from a subpopulation of mitochondria with retention of an intact mitochondrial genome.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Murphy, B J -- Robin, E D -- Tapper, D P -- Wong, R J -- Clayton, D A -- 5 R01 HL23701-14/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1984 Feb 17;223(4637):707-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6320368" target="_blank"〉PubMed〈/a〉
    Keywords: Aerobiosis ; Anaerobiosis ; Animals ; Anoxia/physiopathology ; Citrate (si)-Synthase/genetics/*metabolism ; DNA, Mitochondrial/*genetics ; Electron Transport Complex IV/genetics/*metabolism ; Macrophages/*enzymology ; Mice ; Mitochondria/*enzymology ; Mitochondria, Muscle/*enzymology ; Oxidoreductases/genetics/*metabolism ; Oxo-Acid-Lyases/*metabolism ; Rats
    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: 1982-07-16
    Description: The need to fully heparinize patients undergoing extracorporeal therapy often leads to hemorrhagic complications. To enable heparinization of only the extracorporeal circuit, a blood filter containing immobilized heparinase was developed. This filter degraded 99 percent of heparin's anticoagulant activity within minutes in both canine and human blood.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Langer, R -- Linhardt, R J -- Hoffberg, S -- Larsen, A K -- Cooney, C L -- Tapper, D -- Klein, M -- GM 25810/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1982 Jul 16;217(4556):261-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7089564" target="_blank"〉PubMed〈/a〉
    Keywords: *Extracorporeal Circulation ; Flavobacterium/enzymology ; Hemorrhage/prevention & control ; Heparin/*blood ; Heparin Lyase ; Humans ; Polysaccharide-Lyases ; *Renal Dialysis/adverse 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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