alexa Combination of preS deletions and A1762T G1764A mutations in HBV subgenotype C2 increases the risk of developing HCC.
Microbiology

Microbiology

Research & Reviews: Journal of Microbiology and Biotechnology

Author(s): Lee MH

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BACKGROUND: The interactions among hepatitis B virus (HBV) mutations in developing hepatocellular carcinoma (HCC) remain unclear and thus we investigated the risk of HCC related with single or multiple HBV mutations in Korean patients infected with HBV subgenotype C2. METHODS: From January 2003 to December 2008, HBV isolates from 135 patients with HCC were compared with those from 135 patients without HCC, matching for age, gender, and HBeAg status. The prevalence of preS deletions and G1896A and A1762T/G1764A mutations was evaluated. RESULTS: The frequency of preS deletions significantly differed between the non-HCC and HCC groups, with 6 (4.4%) versus 25 (18.5%) patients, respectively (p < 0.001). Additionally, the frequency of A1762T/G1764A mutations was higher in the HCC than the non-HCC group [82 (60.7%) versus 30 (22.2%), p < 0.001]. For combined mutations, the odds ratio (OR) was highest in patients with both preS deletions and the A1762T/G1764A mutation, with 1 (0.7%) versus 11 (8.1%) patients (p = 0.005; OR 11.887). CONCLUSIONS: HCC was associated with preS deletions and A1762T/G1764A mutations, and the combination of both mutations had a stronger association with HCC in Korean patients infected with HBV subgenotype C2.

This article was published in Intervirology. and referenced in Research & Reviews: Journal of Microbiology and Biotechnology

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