Cytochrome c/cardiolipin relations in mitochondria: a kiss of death.
Cytochrome c/cardiolipin relations in mitochondria: a kiss of death.
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DOI:
10.1016/j.freeradbiomed.2009.03.004
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发表时间:
2009-06-01
影响因子:
7.4
通讯作者:
Borisenko, Grigory
中科院分区:
文献类型:
--
作者:
Kagan, Valerian E.;Bayir, Huelya A.;Belikova, Natalia A.;Kapralov, Olexandr;Tyurina, Yulia Y.;Tyurin, Vladimir A.;Jiang, Jianfei;Stoyanovsky, Detcho A.;Wipf, Peter;Kochanek, Patrick M.;Greenberger, Joel S.;Pitt, Bruce;Shvedova, Anna A.;Borisenko, Grigory
关键词:
Recently, phospholipid peroxidation products gained a reputation as key regulatory molecules and participants in oxidative signaling pathways. During apoptosis, a mitochondria-specific phospholipid, cardiolipin (CL), interacts with cytochrome c (cyt c) to form a peroxidase complex that catalyzes CL oxidation; this process plays a pivotal role in the mitochondrial stage of the execution of the cell death program. This review is focused on redox mechanisms and essential structural features of cyt c's conversion into a CL-specific peroxidase that represent an interesting and maybe still unique example of a functionally significant ligand change in hemoproteins. Furthermore, specific characteristics of CL in mitochondria – its asymmetric trans-membrane distribution and mechanisms of collapse, regulation of its synthesis, remodeling and fatty acid composition – are given significant consideration. Finally, new concepts in drug discovery based on the design of mitochondria-targeted inhibitors of cyt c/CL peroxidase and CL peroxidation with anti-apoptotic effects are presented.
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通讯作者:
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