Stimulation of cellular proliferation by hepatitis B virus X protein.

Abstract:

:Chronic infection with the hepatitis B virus (HBV) is a known risk factor in the development of human hepatocellular carcinoma (HCC). The HBV-encoded X protein, HBx, has been investigated for properties that may explain its cancer cofactor role in transgenic mouse lines. We discuss here recent data showing that HBx is able to induce hepatocellular proliferation in vitro and in vivo. This property of HBx is predicted to sensitize hepatocytes to other HCC cofactors, including exposure to carcinogens and to other hepatitis viruses. Cellular proliferation is intimately linked to the mechanism(s) by which most tumor-associated viruses transform virus-infected cells. The HBx alteration of the cell cycle provides an additional mechanism by which chronic HBV infection may contribute to HCC.

journal_name

Dis Markers

journal_title

Disease markers

authors

Madden CR,Slagle BL

doi

10.1155/2001/571254

subject

Has Abstract

pub_date

2001-01-01 00:00:00

pages

153-7

issue

3

eissn

0278-0240

issn

1875-8630

journal_volume

17

pub_type

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