rs1136410 Val762Ala contributes to an increased risk of overall cancer in the East Asian population: a meta-analysis.

OBJECTIVES

To investigate the association between poly(ADP-ribose) polymerase 1 () rs1136410 Val762Ala and cancer risk in Asian populations, as published findings remain controversial.

METHODS

The PubMed and EMBASE databases were searched, and references of identified studies and reviews were screened, to find relevant studies. Meta-analyses were performed to evaluate the association between rs1136410 Val762Ala and cancer risk, reported as odds ratio (OR) and 95% confidence interval (CI).

RESULTS

A total of 24 studies with 8 926 cases and 15 295 controls were included. Overall, a significant association was found between rs1136410 Val762Ala and cancer risk in East Asians (homozygous: OR 1.19, 95% CI 1.06, 1.35; heterozygous: OR 1.10, 95% CI 1.04, 1.17; recessive: OR 1.13, 95% CI 1.02, 1.25; dominant: OR 1.13, 95% CI 1.06, 1.19; and allele comparison: OR 1.09, 95% CI 1.03, 1.15). Stratification analyses by race and cancer type revealed similar results for gastric cancer among the Chinese population.

CONCLUSION

The findings suggest that rs1136410 Val762Ala may be significantly associated with an increased cancer risk in Asians, particularly the Chinese population.