Oncogenic Viruses- An Overview

Oncogenic Viruses

Viruses are intracellular pathogens that reproduce only in the living cell and manipulate the cellular machinery to produce more viruses. Viral replications can affect the cellular genes of the host in multiple cancerous ways. An oncovirus is a virus that can cause cancer. Viruses account for about 20% of total human cancer cases. Although many viruses can cause various tumors in animals, only seven of …

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Hepatitis C virus- An Overview

Hepatitis C virus

Structure of Hepatitis C virus Hepatitis C virus (HCV) is a RNA virus belonging to the family Flaviviridae, genus Hepacivirus. The HCV virion is 55-65 nm in diameter containing in it a 9.6 kb positive sense single-stranded RNA genome composed of a long open reading frame (ORF) flanked by untranslated regions (UTR’s) at both the ends. The genome of HCV is …

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