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Biochem Biophys Res Commun. 1995 Apr 6;209(1):335-42.

Tumor necrosis factor alpha and interleukin-1 beta but not interferon gamma induce vascular cell adhesion molecule-1 expression on primary cultured murine hepatocytes.

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  • 1Department of Biomolecular Engineering, Tokyo Institute of Technology, Yokohama, Japan.

Abstract

Inflammatory cytokines such as tumor necrosis factor alpha (TNF alpha), interferon gamma (IFN gamma) and interleukin-1 beta (IL-1 beta) play important roles in the mechanisms of hepatitis. The effects of these cytokines on the expression of vascular cell adhesion molecule-1 (VCAM-1) in hepatocytes were examined. TNF alpha and IL-1 beta but not IFN gamma or IL-6 induced VCAM-1 expression on primary cultured murine hepatocytes in a dose- and a time-dependent fashion. TNF alpha is significantly more effective than IL-1 beta on the induction of VCAM-1 expression. The results of RT-PCR demonstrate that these cytokines regulate VCAM-1 expression at mRNA level. These results suggest that TNF alpha and IL-1 beta participate in the pathogenesis of hepatitis via induction of VCAM-1 molecules on hepatocytes.

PMID:
7537041
[PubMed - indexed for MEDLINE]
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