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Target intelligence / Profile preview
Hepatitis B Virus Integrated DNA (HBV integrated DNA)
- Target
- HBV integrated DNA
- Molecular classification
- Viral DNA, Integrated Viral Genome, Chimeric DNA (host-viral)
01
Overview
Hepatitis B virus (HBV) integrated DNA refers to fragments of the HBV genome that become inserted into the host (human) hepatocyte chromosomal DNA during infection. This integration is a hallmark of chronic HBV infection and has significant implications for viral persistence, pathogenesis, and hepatocellular carcinoma (HCC) development. Although not required for viral replication, integrated HBV DNA can drive expression of HBsAg and sometimes other proteins like HBx independently of active viral replication. Integration events are strongly associated with genomic instability.
- Other names
- Integrated HBV DNAHBV DNA integrationHBV proviral DNA
02
Mechanism of action
Not applicable, this is a DNA sequence not a protein.
03
Biological functions
Persistent antigen expressionGenomic instability inductionHepatocarcinogenesisImmune tolerance modulation
04
Disease associations
Hepatitis B virus infectionChronic hepatitis BHepatocellular carcinoma
05
Safety considerations
Risk of insertional mutagenesis leading to oncogenesisDifficult to eliminate completely with current therapiesPotential for reactivation of integrated HBV DNA
06
Biomarkers
Integrated HBV DNA detection in liver tissueHBsAg levels despite antiviral therapy
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