Abstract
The DNA repair genes have a crucial function in the base excision repair (BER) mechanism among different cancerous disorders, particularly hepatocellular carcinoma (HCC). The foremost objective of this study is to explore the association of genetic variants of the APEX1 p.Asp148Glu and the XRCC1 p.Gln399Arg with the susceptibility of HCC and to identify the computational bioinformatics frameworks of these missense variants. A total of 250 participants were enrolled in this study, including 150 HCC patients and 100 cancer-free controls. The genomic DNA was characterized and genotyped by applying the PCR-CTPP method. The frequency of the APEX1 (rs1130409*Glu) allele was statistically significant with increased risk of HCC (OR = 1.66, 95% CI = 1.12-2.45), while the XRCC1 (rs25487*Gln) allele conferred a protection against the progression of HCC (OR = 0.64, 95% CI = 0.42-0.96). Furthermore, HCC patients carrying the APEX1 p.Asp148Glu and the XRCC1 p.Gln399Arg variants indicated no significant difference with the clinical, and laboratory parameters (p > .05). Our findings confirmed that the APEX1 p.Asp148Glu variant was associated with increased risk of HCC, while the XRCC1 p.Gln399Arg variant revealed protection against the development of HCC.
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