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Association between the risk of hepatitis virus-related hepatocellular carcinoma and EGF polymorphism: A
Qinjing Wang1, Lingling Xu2, Qianbo Wu2
1Department of Geriatric Oncology, Jiangnan Hospital Affiliated to Zhejiang University of Traditional Chinese Medicine (Xiaoshan Hospital of Traditional Chinese Medicine), Hangzhou, Zhejiang, China.
Background:
The study aims to provide a comprehensive account of the association between the epidermal growth factor (EGF) + 61A/G polymorphism (rs4444903) and susceptibility to virus-related hepatocellular carcinoma (HCC).
Methods:
Electronic searching of the Chinese National Knowledge Infrastructure, Wanfang, Chinese Scientific Journal Database (VIP), PubMed, Web of Science, and Embase was conducted to select eligible studies. Odds ratios (OR) and 95% confidence intervals (95%CI) were calculated to assess the strength of the association.
Results:
In this study, a total of 18 articles were included with 2692 cases and 5835 controls for assessing the association between rs4444903 and HCC risk. The pooled results showed that the EGF + 61A/G polymorphism was significantly associated with the risk of virus-related HCC in all genetic models. Stratified analyses were conducted based on ethnicity, study quality, source of controls, type of controls, number of cases and genotyping method. The results showed that EGF + 61A/G polymorphisms significantly affect HCC susceptibility in different stratified populations. High heterogeneity was observed across included studies, and meta-regression analysis demonstrated that race, type of controls, and study quality contribute to the observed heterogeneity.
Conclusion:
This pooled analysis found that EGF + 61A/G polymorphism was significantly associated with the risk of HCC.
