alexa Mitochondrial permeability transition: a common pathway to necrosis and apoptosis.
Pharmaceutical Sciences

Pharmaceutical Sciences

Journal of Clinical & Experimental Pharmacology

Author(s): Kim JS, He L, Lemasters JJ

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Abstract Opening of high conductance permeability transition pores in mitochondria initiates onset of the mitochondrial permeability transition (MPT). The MPT is a causative event, leading to necrosis and apoptosis in hepatocytes after oxidative stress, Ca(2+) toxicity, and ischemia/reperfusion. CsA blocks opening of permeability transition pores and protects cell death after these stresses. In contrast to necrotic cell death which is a consequence of ATP depletion, ATP is required for the development of apoptosis. Reperfusion and the return of normal pH after ischemia initiate the MPT, but the balance between ATP depletion after the MPT and ATP generation by glycolysis determines whether the fate of cells will be apoptotic or necrotic death. Thus, the MPT is a common pathway leading to both necrotic and apoptotic cell death after ischemia/reperfusion.
This article was published in Biochem Biophys Res Commun and referenced in Journal of Clinical & Experimental Pharmacology

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