Journal
FEBS LETTERS
Volume 583, Issue 15, Pages 2447-2450Publisher
WILEY
DOI: 10.1016/j.febslet.2009.07.018
Keywords
Cardiolipin; Lipid raft; Apoptosis; Mitochondria
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Cardiolipin (CL) has recently been shown to provide an anchor and an essential activating platform for caspase-8 on mitochondria. We hypothesize that these platforms may correspond to raft-like microdomains, which have demonstrated to be detectable on mitochondrial membrane of cells undergoing apoptosis. The role for CL in raft-like microdomains could be to anchor caspase-8 at contact sites between inner and outer membranes, facilitating its self-activation, Bid cleavage and apoptosis execution. The role played by raft-like microdomains in the apoptotic program could introduce a new task in the pathogenetic studies on human diseases associated with cardiolipin dismetabolism. (c) 2009 Federation of European Biochemical Societies. Published by Elsevier B. V. All rights reserved.
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