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.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Kim JS,He L,Lemasters JJdoi
10.1016/s0006-291x(03)00618-1subject
Has Abstractpub_date
2003-05-09 00:00:00pages
463-70issue
3eissn
0006-291Xissn
1090-2104pii
S0006291X03006181journal_volume
304pub_type
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