期刊
FEBS LETTERS
卷 580, 期 3, 页码 775-781出版社
WILEY
DOI: 10.1016/j.febslet.2005.12.090
关键词
arachidonic acid; mitochondria; membrane permeability; ATP/ADP translocator
Micromolar concentrations of arachidonic acid cause in Ca2+ loaded heart mitochondria matrix swelling and Ca2+ release. These effects appear to be unrelated to the classical membrane permeability transition (MPT), as they are CsA insensitive, membrane potential independent and can also be activated by Sr2+. Atractyloside potentiated and ATP inhibited the arachidonic acid induced swelling. These observations suggest that the ATP/ADP translocator (ANT) may be involved in the AA induced, CsA insensitive membrane permeability increase. Under the same experimental conditions used for heart mitochondria, arachidonic acid induced the classical CsA sensitive, ADP inhibitable MPT in liver mitochondria. (c) 2006 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.
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