Liang TW, Sun Y, Lu YG. Association between DNA repair gene XRCC3 Thr241 Met single nucleotide polymorphisms and colorectal cancer susceptibility: a meta-analysis.
Shijie Huaren Xiaohua Zazhi 2011;
19:1855-1859. [DOI:
10.11569/wcjd.v19.i17.1855]
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Abstract
AIM: To evaluate the association between single nucleotide polymorphisms of the X-ray repair cross-complementing group 3 (XRCC3) gene and colorectal cancer susceptibility.
METHODS: By searching EMBSE (1974-2010.11), Pubmed (1966-2010.11), CNKI (1994-2010.11) and CBM (1978-2010.11), We collected studies evaluating the association between XRCC3 gene polymorphisms and colorectal cancer susceptibility. The effect size was odds ratios (OR) of variant allele of XRCC3Thr241Met in the case and control groups. Random or fixed effect model was selected according to the results of heterogeneity test. The OR and publication bias were calculated using Review Manager 5.0 and STATA11.0 software.
RESULTS: Nine case-control studies involving 3 294 cases and 3 947 controls were included. In the Met/Met versus Thr/Thr group, the odds ratio was 1.30 (95%CI: 0.86-1.98, P = 0.22). For the dominant genetic model, the OR in the Met/Met+Met/Thr versus Thr/Thr group was 1.05 (95%CI: 0.67-1.66 P = 0.83). For the recessive genetic model, the OR in the Met/Met versus Thr/Thr+Thr/Met group was 1.45 (95%CI: 0.94-2.25, P = 0.09).
CONCLUSION: There was no close association between XRCC3 Thr241 Met single nucleotide polymorphisms and colorectal cancer susceptibility.
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