http://www.cnr.it/ontology/cnr/individuo/prodotto/ID11741
Failure of Apoptosis-inducing Factor to Act as Neuroglobin Reductase (Articolo in rivista)
- Type
- Label
- Failure of Apoptosis-inducing Factor to Act as Neuroglobin Reductase (Articolo in rivista) (literal)
- Anno
- 2009-01-01T00:00:00+01:00 (literal)
- Alternative label
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- Moschetti T; Giuffrè A; Ardiccioni C; Vallone B; Modjtahedi N; Kroemer G; Brunori M. (literal)
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- Rivista
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Department of Biochemical Sciences and CNR Institute of Molecular Biology and Pathology, Sapienza University of Rome, I-00185 Rome, Italy; INSERM U848, Pavillon de Recherche 1, 94805 Villejuif, France; Institut Gustave Roussy, Pavillon de Recherche 1, 94805 Villejuif, France; Université Paris Sud-Paris 11, Pavillon de Recherche 1, 94805 Villejuif, France. (literal)
- Titolo
- Failure of Apoptosis-inducing Factor to Act as Neuroglobin Reductase (literal)
- Abstract
- Neuroglobin (Ngb) is a hexacoordinate globin expressed in the nervous system of vertebrates, where it protects neurons against hypoxia. Ferrous Ngb has been proposed to favor cell survival by scavenging NO and/or reducing cytochrome c released into the cytosol during hypoxic stress. Both catalytic functions require an as yet unidentified Ngb-reductase activity. Such an activity was detected both in tissue homogenates of human brain and liver and in Escherichia coli extracts. Since NADH:flavorubredoxin oxidoreductase from E. coli, that was shown to reduce ferric Ngb, shares sequence similarity with the human apoptosis-inducing factor (AIF), AIF has been proposed by us as a candidate Ngb reductase. In this study, we tested this hypothesis and show that the Ngb-reductase activity of recombinant human AIF is negligible and hence incompatible with such a physiological function. (literal)
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