Aim: It has been shown that the integration of hepatitis B virus (HBV) gene into the host genome is a high-risk factor for development of hepatocellular carcinoma (HCC). However, the relationship between HBV S-integrated human extra spindle pole bodies-like 1 (ESPL1) gene and HCC is unknown. This study was designed to detect HBV S-integrated human ESPL1 fusion gene in patients with HCC for potentially using this fusion gene as a biomarker for HCC diagnosis. Patients and Methods: Nineteen and 70 patients with chronic hepatitis B (CHB) were recruited to the experimental and control groups, respectively, and both groups underwent an effective nucleoside/nucleotide analog therapy and follow-up for HCC occurrence for up to 11 years. HCC tissues were obtained by surgical resection from the experimental group, while liver tissues were collected by liver biopsy in the control group prior to treatment with nucleoside/nucleotide analogs. Alu polymerase chain reaction was used to assess HBV S gene integration in the liver tissues from both groups. HBV S-integrated human ESPL1 fusion gene was then detected in patients with HBV S gene integration using a gene database. Results: All patients in the 245 This article is freely accessible online.
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