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Biochim Biophys Acta. 2011 Jul;1813(7):1316-22. doi: 10.1016/j.bbamcr.2011.01.031. Epub 2011 Feb 3.

The mitochondrial permeability transition pore and cyclophilin D in cardioprotection.

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Department of Biomedical Sciences and CNR Institute of Neuroscience, University of Padova, 35121 Padova, Italy.


Mitochondria play a central role in heart energy metabolism and Ca(2+) homeostasis and are involved in the pathogenesis of many forms of heart disease. The body of knowledge on mitochondrial pathophysiology in living cells and organs is increasing, and so is the interest in mitochondria as potential targets for cardioprotection. This critical review will focus on the permeability transition pore (PTP) and its regulation by cyclophilin (CyP) D as effectors of endogenous protective mechanisms and as potential drug targets. The complexity of the regulatory interactions underlying control of mitochondrial function in vivo is beginning to emerge, and although apparently contradictory findings still exist we believe that the network of regulatory protein interactions involving the PTP and CyPs in physiology and pathology will increase our repertoire for therapeutic interventions in heart disease. This article is part of a Special Issue entitled: Mitochondria and Cardioprotection.

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