Recombinant Hepatitis C Virus Core Antigen protein (Tag Free)

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The Hepatitis C Virus Core Antigen also known as HCV Core Protein or simply HCV Core is an essential structural component of the Hepatitis C virus. This protein with a mass of approximately 21 kDa plays a fundamental role in the formation of the viral nucleocapsid. It expresses extensively in the liver cells of infected individuals serving as a target for the diagnostic 'anti-HCV ELISA'. The HCV Core Protein interacts with host cellular machinery facilitating viral replication and pathogenesis.

Biological function summary

The HCV Core Protein influences various cellular processes and immune responses in the host. It can modulate the host's gene expression interfere with cell signaling and affect apoptosis thereby promoting viral persistence. The protein often forms a part of heterogeneous complexes interacting with both viral and host proteins to alter cellular environments in favor of viral replication. This multifaceted role makes it an important target for research in understanding hepatitis C pathogenesis.

Pathways

The HCV Core Protein participates in disrupting signaling pathways such as the NF-kB and TGF-beta pathways. In these pathways HCV Core can bind with cellular proteins that are key regulators including p53 and retinoblastoma protein to exert its effects on cell cycle regulation and immune modulation. These interactions help the virus to counteract antiviral responses and contribute to liver diseases.

The HCV Core Protein is closely associated with hepatitis C infection and its progression to liver cirrhosis and hepatocellular carcinoma. By interacting with proteins like the tumor suppressor p53 the core protein plays a role in the development of liver cancer. Understanding these interactions is important in developing therapeutic strategies to combat the effects of chronic hepatitis C infection.