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[Delta agent].

G Mathé

    Biomedicine & Pharmacotherapy = Biomedecine & Pharmacotherapie
    |January 1, 1984
    PubMed
    Summary
    This summary is machine-generated.

    Hepatitis delta virus, a small RNA virus, is found in patients with hepatitis B. This agent may worsen chronic hepatitis and contribute to liver cancer in animals.

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    Area of Science:

    • Virology
    • Hepatology

    Context:

    • Hepatitis delta virus (HDV) is a unique RNA virus that requires hepatitis B virus (HBV) for replication.
    • HDV infection is associated with more severe liver disease outcomes compared to HBV infection alone.

    Purpose:

    • To investigate the presence and potential pathogenic role of the hepatitis delta agent.
    • To characterize the molecular properties of the delta agent genome.

    Summary:

    • The delta agent was detected in individuals with hepatitis B.
    • Detection methods include radio-immuno-assays and anti-delta agent antibody tests.
    • The delta agent's genome consists of low-molecular-weight RNA, suggesting a link between animal RNA viruses and plant viroids.
    • Pathogenic effects include chronic hepatitis exacerbation and association with liver adenocarcinomas in marmots, likely via a direct cytopathogenic process.

    Impact:

    • Understanding HDV's role in liver disease progression and oncogenesis.
    • Potential implications for antiviral strategies and understanding virus evolution.