Influence of polymorphisms in ERCC5, XPA and MTR DNA repair and synthesis genes in B-cell lymphoma risk. A case-control study in Spanish population.

PURPOSE Functions pertaining to DNA repair and synthesis are believed to play a critical role in cancer development and seem to be affected by genetic polymorphisms. Herein we performed a case-control study evaluating the influence of three single nucleotide polymorphisms (SNPs) in XPA, ERCC5 and MTR [rs1800975 (G-4A), rs17655 (Asp1104His) and rs1805087 (A2756G), respectively] in lymphoma risk. METHODS Genotype distributions were studied in 213 lymphoma Caucasian patients (193 non-Hodgkin/NHL and 20 Hodgkin lymphoma/HL) and 214 controls, residents in a region of Southeast Spain. RESULTS No significant differences were observed in the genotype distributions between cases and controls for the studied SNPs. This lack of association was also observed when stratifying for gender or lymphoma type. CONCLUSION Our results suggest that the rs1800975, rs17655 and rs1805087 SNPs in DNA repair and synthesis of genes do not seem to play a major role in lymphoma susceptibility.