http://www.cnr.it/ontology/cnr/individuo/prodotto/ID12758
Ceramide Induces Release of Pro-Apoptotic Proteins from Mitochondria by Either a Ca2+-Dependent or a Ca2+-Independent Mechanism (Articolo in rivista)
- Type
- Label
- Ceramide Induces Release of Pro-Apoptotic Proteins from Mitochondria by Either a Ca2+-Dependent or a Ca2+-Independent Mechanism (Articolo in rivista) (literal)
- Anno
- 2004-01-01T00:00:00+01:00 (literal)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Di Paola M.; Zaccagnino P.; Montedoro G.; Cocco T.; Lorusso M. (literal)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Institute of Biomembranes and Bioenergetics, CNR, Bari, Italy; Department of Medical Biochemistry and Biology, University of Bari, Bari, Italy (literal)
- Titolo
- Ceramide Induces Release of Pro-Apoptotic Proteins from Mitochondria by Either a Ca2+-Dependent or a Ca2+-Independent Mechanism (literal)
- Abstract
- Several observations have been reported in the last years indicating that ceramide may activate the mitochondrial route of apoptosis. We show here that on addition of either C2- or C16-ceramide to mitochondria isolated from rat heart and suspended in a saline medium, release of cytochrome c and apoptosis-inducing factor (AIF) from the intermembrane space takes place. The release process is Ca2+-independent and is not inhibited by Cyclosporin A (CsA). For the protein release process to occur, the presence of an oxidizable substrate is required. When mitochondria are suspended in sucrose instead of potassium medium, only short chain C2-ceramide causes cytochrome c release through a Ca2+-dependent and CsA sensitive mitochondrial permeability transition (MPT) mechanism. The latter effect appears to be related to the membrane potential dissipating ability exhibited by short chain C2-ceramide. (literal)
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