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Hepatitis C Virus

Research data from Pohang University of Science and Technology update understanding of hepatitis C virus

Published in Hepatitis Weekly, January 26th, 2009

According to recent research from South Korea, "Hepatitis C virus (HCV) is one of the major causative agents of virus- related hepatitis, liver cirrhosis, and hepatocellular carcinoma in humans. Translation of the HCV polyprotein is mediated by an internal ribosomal entry site (IRES) in the 5' nontranslated region of the genome."

"Here, we report that a cellular protein, hnRNP D, interacts with the 5' border of HCV IRES (stem-loop II) and promotes translation of HCV mRNA. Overexpression of hnRNP D in mammalian cells enhances HCV IRES-dependent translation, whereas knockdown of hnRNP D with small interfering RNAs (siRNAs) inhibits translation. In addition, sequestration...

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