The mitochondrial permeability transition in neurologic disease
نویسندگان
چکیده
منابع مشابه
Role of the mitochondrial permeability transition in myocardial disease.
Mitochondria play a key role in determining cell fate during exposure to stress. Their role during ischemia/reperfusion is particularly critical because of the conditions that promote both apoptosis by the mitochondrial pathway and necrosis by irreversible damage to mitochondria in association with mitochondrial permeability transition (MPT). MPT is caused by the opening of permeability transit...
متن کاملThe mitochondrial permeability transition pore.
This chapter reviews recent advances in the identification of the structural elements of the permeability transition pore. The discovery that cyclosporin A (CsA) inhibits the pore proved instrumental. Various approaches indicate that CsA blocks the pore by binding to cyclophilin (CyP)-D. In particular, covalent labelling of CyP-D in situ by a photoactive CsA derivative has shown that pore ligan...
متن کاملMitochondrial Permeability Transition in Rat
42 Onset of the mitochondrial permeability transition (MPT) is the penultimate event 43 leading to lethal cellular ischemia/reperfusion injury, but the mechanisms precipitating 44 the MPT after reperfusion remain unclear. Here, we investigated the role of 45 mitochondrial free Ca and reactive oxygen species (ROS) in pHand MPT-dependent 46 reperfusion injury to hepatocytes. Cultured rat hepatocy...
متن کاملPostconditioning inhibits mitochondrial permeability transition.
BACKGROUND Brief periods of ischemia performed just at the time of reperfusion can reduce infarct size, a phenomenon called "postconditioning." After reflow, opening of the mitochondrial permeability transition pore (mPTP) has been involved in lethal reperfusion injury. We hypothesized that postconditioning may modulate mPTP opening. METHODS AND RESULTS Anesthetized open-chest rabbits underwe...
متن کاملMitochondrial permeability transition pore: an enigmatic gatekeeper
Mitochondrial permeability transition pore (MPTP) is a transient structure formed in the inner mitochondrial membrane (IMM) upon oxidative challenge of the organelle. The transition is a Ca 2+ -dependent increase of permeability of IMM leading to loss of transmembrane potential (∆ψm), mitochondrial swelling and, finally, rupture of outer mitochondrial membrane leading to release of factors caus...
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ژورنال
عنوان ژورنال: Neurochemistry International
سال: 2007
ISSN: 0197-0186
DOI: 10.1016/j.neuint.2007.02.008