منابع مشابه
Hepatocarcinogenesis in viral Hepatitis B infection: the role of HBx and p53.
Infection of Hepatitis B Virus (HBV) is a risk factor of chronic active hepatitis (CAH), hepatic cirrhosis and hepatocellular carcinoma (HCC). Infection of HBV may develop to HCC without antecedent hepatic cirrhosis. Pathogenesis of HBV causing malignant changes has not been fully understood. HBx, a protein of HBV, is an activator of transcription process involved in hepatocarcinogenesis. Most ...
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Peroxisome proliferators constitute a novel class of non-mutagenic hepatocarcinogens, all of which induce a similar pleiotropic response consisting of hepatomegaly, proliferation of peroxisomes in the liver parenchyma] cells and the induction of several hepatic enzymes, particularly those of the peroxisomal fatty acid /3oxidation system (1—3). Presently several structurally dissimilar hypolipid...
متن کاملHepatitis C virus and hepatocarcinogenesis
Hepatitis C virus (HCV) is an RNA virus that is unable to integrate into the host genome. However, its proteins interact with various host proteins and induce host responses. The oncogenic process of HCV infection is slow and insidious and probably requires multiple steps of genetic and epigenetic alterations, the activation of cellular oncogenes, the inactivation of tumor suppressor genes, and...
متن کاملHepatocarcinogenesis and ceramide/cholesterol metabolism.
Sphingolipids (SLs) and cholesterol are critical structural components of membrane bilayers. Although recent evidence has revealed an emerging role of both lipids in signaling pathways, their contribution to cancer development and treatment has been largely overlooked. Sphingolipids comprise a family of bioactive lipids with divergent roles in numerous cellular processes. In particular, ceramid...
متن کاملHepatitis B virus and hepatocarcinogenesis.
Hepatitis B viral (HBV) infection is the commonest cause of hepatocellular carcinoma. HBV DNA is the most important predictor of hepatocarcinogenesis in HB surface antigen positive patients. We reviewed the mechanism of hepatocarcinogenesis on molecular level with a special emphasis on the role of X-protein. Hepatitis B X-protein communicates with host targets and disturbs cellular functions in...
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ژورنال
عنوان ژورنال: Oncogene
سال: 2010
ISSN: 0950-9232,1476-5594
DOI: 10.1038/onc.2010.36