Cardiovascular Research Advance Access [Accepted Manuscript] published online on February 16, 2009
Cardiovascular Research, doi:10.1093/cvr/cvp063
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Inhibition of mitochondrial permeability transition pore opening: translation to patients
1 Inserm U 886, Lyon, France
2 Hospices Civils de Lyon, Université Claude Bernard Lyon1, Lyon, France
3 Inserm U661, Montpellier, France
4 Hopital Arnaud de Villeneuve, Université de Montpellier I and II, Montpellier, France
5 Inserm U858, Toulouse, France
6 Hôpital Rangueil, University Paul Sabatier, Toulouse, France
Address for correspondence: Prof. Michel Ovize, Inserm U886 - Laboratoire de Physiologie Lyon-Nord, 8, avenue Rockefeller, 69373 Lyon, FRANCE, Phone: (+33)-4-78-77-70-74 Fax: (+33)-4-78-77-71-75 E-mail: Michel.ovize{at}recherche.univ-lyon1.fr
A large body of experimental evidence indicates that during an acute myocardial infarction, tissue injury occurring after reperfusion represents a significant amount of the whole, irreversible damage. It is now recognized that mitochondrial permeability transition pore opening plays a crucial role in this specific component of myocardial infarction. Ischemic postconditioning and cyclosporine A have been shown to dramatically reduce infarct size in many animal species. Recent proof-of-concept clinical trials support the idea that lethal myocardial reperfusion injury is also of significant importance in patients with ongoing acute myocardial infarction, and that targeting mitochondrial permeability transition by either PCI postconditioning or cyclosporine A can reduce infarct size and improve the recovery of contractile function after reperfusion. Large-scale trials are ongoing to address whether these new treatments may improve clinical outcome in reperfused acute myocardial infarction patients.
KEYWORDS ischemia; reperfusion; postconditioning; cyclosporine
Time for primary review: 33 Days
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