Hepatitis delta virus and hepatocellular carcinoma: an update
نویسندگان
چکیده
منابع مشابه
Delta hepatitis: an update.
Hepatitis delta virus (HDV) is a unique defective RNA virus that requires the helper function of hepatitis B virus (HBV), which provides the essential coat protein for virion assembly and propagation. It is the smallest animal virus and the only one to possess a circular RNA genome, as seen in plant viruses. HDV has evolved into three major genotypes that differ in their geographic distribution...
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Hepatocellular carcinoma is one of the most common malignant tumors worldwide. The major etiologies and risk factors for HCC development are well-defined and some of the multiple steps involved in hepatocarcinogenesis have been elucidated in recent years. Despite these scientific advances and the implementation of measures for early hepatocellular carcinoma detection in patients at risk, patien...
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Integrated hepatitis B virus (HBV) DNA is present in many hepatocellular carcinomas (HCC), suggesting that HBV has a direct oncogenic effect through interaction with transformation-associated genes. Many genes involved in cell cycle regulation (cyclins, kinases, negative regulators, Wnt-beta-catenin) and the transcriptome profile are deregulated or altered in most HCC patients. The HBx protein,...
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Hepatocellular carcinoma in woodchuck were characterized for woodchuck hepatitis virus integration nea c-myc oncogene. In one tumor, viral integration resulted in overexpression of a c-myc viral cotranscript. In a second tumor, viral insertion, 600 bp upstream of c-myc exon 1, was associated with increased levels of normal c-myc mRNA. These results demonstrate that integration of woodchuck hepa...
متن کامل[Hepatocellular carcinoma and hepatitis B virus].
Chronic hepatitis B is the most common cause of hepatocellular carcinoma (HCC) in Asia. Integration of hepatitis B virus (HBV) genome is likely an early event of carcinogenesis. The integrated HBV genome may activate neighboring cellular genes directly to offer a selective growth advantage to the liver cells. Production of hepatitis B X protein can act as a transactivator on various cellular ge...
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ژورنال
عنوان ژورنال: Epidemiology and Infection
سال: 2018
ISSN: 0950-2688,1469-4409
DOI: 10.1017/s0950268818001942