Differential intrahepatic integrated HBV DNA patterns between HBeAg-positive and HBeAg-negative chronic hepatitis B
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The authors aimed to investigate the differences in intrahepatic covalently closed circular DNA (cccDNA) and integrated hepatitis B virus (HBV) DNA (iDNA) patterns between HBeAg-positive and HBeAg-negative chronic hepatitis B (CHB) patients. They found that HBeAg-positive patients had higher levels of cccDNA and associated biomarkers, while HBeAg-negative patients exhibited a greater proportion of iDNA, particularly clustered at specific integration sites, suggesting that iDNA may be the primary source of hepatitis B surface antigen (HBsAg) in this group. This study highlights the distinct virological characteristics and potential implications for disease progression in HBeAg-positive versus HBeAg-negative CHB.
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