The Contribution of DNA Ligase 4 Polymorphisms to Colorectal Cancer
- PMID: 38148049
- PMCID: PMC10756467
- DOI: 10.21873/invivo.13419
The Contribution of DNA Ligase 4 Polymorphisms to Colorectal Cancer
Abstract
Background/aim: While numerous biomarkers associated with genetic susceptibility to colorectal cancer (CRC) have been identified and validated through epidemiological studies, the specific influence of DNA ligase 4 (Lig4) genotypes remains unexplored. This study aimed to elucidate the hitherto unexamined relationship between Lig4 genotypes and CRC risk.
Materials and methods: The genotypes of Lig4 rs1805388 were determined applying the polymerase chain reaction-restriction fragment length polymorphism methodology. The potential association between these genotypes and CRC risk was assessed in a Taiwanese population comprising 362 CRC cases and an equal number of age- and sex-matched controls.
Results: In the genotypic analysis, the distribution of CC, CT, and TT genotypes for Lig4 rs1805388 among CRC cases was 54.7%, 38.1%, and 7.2%, respectively. This distribution was not significantly different from the controls, which exhibited genotypic frequencies of 57.2%, 36.7%, and 6.1%, respectively (p for trend=0.7314). Analysis of allelic distribution indicated that individuals carrying the T allele of Lig4 rs1805388 displayed a slightly elevated CRC risk compared to those carrying the C allele (odds ratio=1.10, 95% confidence interval=0.87-1.39, p=0.4685).
Conclusion: The variant genotypes of Lig4 rs1805388 may not serve as predictive markers for CRC risk in the Taiwanese population.
Keywords: Colorectal cancer; DNA ligase 4; genotypes; non-homologous end-joining; single nucleotide polymorphism.
Copyright © 2024, International Institute of Anticancer Research (Dr. George J. Delinasios), All rights reserved.
Conflict of interest statement
The Authors declare no conflicts of interest regarding this study.
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