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Biochem Biophys Res Commun. 1999 Apr 2;257(1):145-8.

Rapid induction of NF-kappaB binding during liver cell isolation and culture: inhibition by L-NAME indicates a role for nitric oxide synthase.

Author information

  • 1Division of Pharmacology, School of Medicine and Dentistry, Queen Mary & Westfield College, Charterhouse Square, London, EC1M 6BQ, United Kingdom.

Abstract

This study is the first to demonstrate activation of NF-kappaB binding just 10 minutes into the commonly employed hepatocyte isolation procedure. It is further reported that the anti-oxidant Trolox can prevent the induction of NF-kappaB during the well established hepatocyte isolation procedure but not during their subsequent culture. However both phases of NF-kappaB activation are inhibited by L-NAME intimating a role for NO production, via nitric oxide synthase. These findings demonstrate that at least 2 different signal transduction pathways are operative during hepatocyte isolation and culture. Thus further studies employing Trolox and L-NAME will help delineate how each pathway contributes to the generalised loss of liver function commonly observed in vitro.

Copyright 1999 Academic Press.

PMID:
10092524
[PubMed - indexed for MEDLINE]
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