Liver HIF-1 alpha induction precedes apoptosis following normothermic ischemia-reperfusion in rats. (Articolo in rivista)

Type
Label
  • Liver HIF-1 alpha induction precedes apoptosis following normothermic ischemia-reperfusion in rats. (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Alternative label
  • Cursio R, Miele C, Filippa N, Van Obberghen E, Gugenheim J. (2008)
    Liver HIF-1 alpha induction precedes apoptosis following normothermic ischemia-reperfusion in rats.
    in Transplantation Proceedings
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Cursio R, Miele C, Filippa N, Van Obberghen E, Gugenheim J. (literal)
Pagina inizio
  • 5634 (literal)
Pagina fine
  • 5645 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 28 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • IEOS-CNR, IFR 50, Faculté de Médecine, Université de Nice Sophia Antipolis, Nice, France. (literal)
Titolo
  • Liver HIF-1 alpha induction precedes apoptosis following normothermic ischemia-reperfusion in rats. (literal)
Abstract
  • Apoptosis plays an important role in ischemia-reperfusion (I-R) injury during liver transplantation. The hypoxia-inducible factor alpha (HIF-1alpha) may trigger liver apoptosis following I-R through the induction of hypoxically regulated genes. The aim of this study was to evaluate the effect of normothermic liver I-R on HIF-1alpha expression and apoptosis in rats. Segmental normothermic ischemia of the liver was induced in rats for 120 minutes. Liver extracts from either ischemic or nonischemic lobes were prepared at 0, 1, 3, and 6 hours after reperfusion. Liver HIF-1alpha protein expression was examined by Western blot analysis. Liver apoptosis was quantified using terminal deoxynucleotide transferase-mediated deoxyuridine triphosphate nick end labeling assay. Normothermic I-R resulted in a significant (P< .05) increase in liver HIF-1alpha protein levels 1 and 3 hours after reperfusion. Liver apoptosis was significantly (P< .005) increased at 3 and 6 hours after reperfusion. In conclusion, normothermic liver I-R leads to increased liver expression of HIF-1alpha and apoptosis. (literal)
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