Cancer genomics & proteomics · 2025
Contribution of MRE11, RAD50, and NBS1 Genotypes to Bladder Cancer Susceptibility.
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Liao Cheng-Hsi, Chang Wen-Shin, Shih Hou-Yu, Wang Yun-Chi, Hsu Che-Lun, Chang Shu-Yu, Chang Chao-Hsiang, Chen Wen-Chi, Bau DA-Tian, Tsai Chia-Wen
Аннотация
BACKGROUND/AIM: Genome instability is a hallmark of cancer, often accelerated by defects in DNA damage responses. MRE11-RAD50-NBS1 (MRN) complex plays a crucial role in sensing and repairing DNA damage; however, there is limited literature on the involvement of MRN genotypes in bladder cancer (BLCA) susceptibility. This study aimed to elucidate the impact of MRN genotypes on the risk of BLCA.
MATERIALS AND METHODS: We genotyped 14 single nucleotide polymorphisms (SNPs) in MRN genes, including rs684507, rs2155209, rs10831234, rs13447720, rs601341 in MRE11, rs17166050, rs17772583, rs6871536, rs3798134, rs2244012 in RAD50, and rs1805794, rs2735383, rs1063053, rs1063054 in NBS1, among 375 BLCA cases and 375 controls, and evaluated their contributions to BLCA susceptibility.
RESULTS: Among these SNPs, only NBS1 rs2735383 was significantly associated with BLCA risk (p for trend=0.0053), with both CG and CC genotypes conferring higher risks (OR=1.48 and 1.95, respectively). Subgroup analysis showed that NBS1 rs2735383 was associated with BLCA risk in individuals older than 55 years (OR=2.29, p=0.0053), smokers (OR=2.56, p=0.0026), alcohol drinkers (OR=3.25, p=0.0005), and those with muscle-invasive disease (OR=1.97, p=0.0243), but not in younger individuals, non-smokers, non-drinkers, or non-muscle-invasive cases.
CONCLUSION: NBS1 rs2735383 genotype may serve as a genetic biomarker for BLCA susceptibility, particularly in high-risk subpopulations, including elders, smokers, drinkers, and those with muscle-invasive disease.
MATERIALS AND METHODS: We genotyped 14 single nucleotide polymorphisms (SNPs) in MRN genes, including rs684507, rs2155209, rs10831234, rs13447720, rs601341 in MRE11, rs17166050, rs17772583, rs6871536, rs3798134, rs2244012 in RAD50, and rs1805794, rs2735383, rs1063053, rs1063054 in NBS1, among 375 BLCA cases and 375 controls, and evaluated their contributions to BLCA susceptibility.
RESULTS: Among these SNPs, only NBS1 rs2735383 was significantly associated with BLCA risk (p for trend=0.0053), with both CG and CC genotypes conferring higher risks (OR=1.48 and 1.95, respectively). Subgroup analysis showed that NBS1 rs2735383 was associated with BLCA risk in individuals older than 55 years (OR=2.29, p=0.0053), smokers (OR=2.56, p=0.0026), alcohol drinkers (OR=3.25, p=0.0005), and those with muscle-invasive disease (OR=1.97, p=0.0243), but not in younger individuals, non-smokers, non-drinkers, or non-muscle-invasive cases.
CONCLUSION: NBS1 rs2735383 genotype may serve as a genetic biomarker for BLCA susceptibility, particularly in high-risk subpopulations, including elders, smokers, drinkers, and those with muscle-invasive disease.