http://www.cnr.it/ontology/cnr/individuo/prodotto/ID56157
Regulation of the Inner Membrane Mitochondrial Permeability Transition by the Outer Membrane Translocator Protein (Peripheral Benzodiazepine Receptor) (Articolo in rivista)
- Type
- Label
- Regulation of the Inner Membrane Mitochondrial Permeability Transition by the Outer Membrane Translocator Protein (Peripheral Benzodiazepine Receptor) (Articolo in rivista) (literal)
- Anno
- 2011-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1074/jbc.M110.172486 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Sileikyte J.; Petronilli V.; Zulian A.; Dabbeni-Sala F.; Tognon G.; Nikolov P.; Bernardi P.; Ricchelli F. (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Sileikyte J., Petronilli V., Zulian A., Dabbeni-Sala F., Bernardi P., Università di Padova; Tognon G., Ricchelli F., CNR ; Nikolov P., Accademia Bulgara delle Scienze (literal)
- Titolo
- Regulation of the Inner Membrane Mitochondrial Permeability Transition by the Outer Membrane Translocator Protein (Peripheral Benzodiazepine Receptor) (literal)
- Abstract
- We studied the properties of the permeability transition
pore (PTP) in rat liver mitochondria and in mitoplasts retaining
inner membrane ultrastructure and energy-linked functions.
Like mitochondria, mitoplasts readily underwent a permeability
transition following Ca2? uptake in a process that
maintained sensitivity to cyclosporin A. On the other hand,
major differences between mitochondria and mitoplasts
emerged in PTP regulation by ligands of the outer membrane
translocator protein of 18 kDa, TSPO, formerly known as the
peripheral benzodiazepine receptor. Indeed, (i) in mitoplasts,
the PTP could not be activated by photo-oxidation after treatment
with dicarboxylic porphyrins endowed with protoporphyrin
IX configuration, which bind TSPO in intact mitochondria;
and (ii) mitoplasts became resistant to the PTP-inducing
effects of N,N-dihexyl-2-(4-fluorophenyl)indole-3-acetamide
and of other selective ligands of TSPO. Thus, the permeability
transition is an inner membrane event that is regulated by the
outer membrane through specific interactions with TSPO. (literal)
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