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Article Abstract
Objective: To determine the associations between the polymorphisms of N372H in BRCA2 gene and 135G/C in RAD51 gene and breast cancers.
Methods: The allele and genotype frequencies of N372H in BRCA2 gene and 135G/C in RAD51 gene were analyzed with denaturing high performance liquid chromatography (DHPLC) and polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) in 71 women with breast cancers and 85 normal, women.
Results: The women with breast cancers had higher frequencies of genotype HH of the N372H locus in BRCA2 gene than the normal women. No statistical difference in the polymorphic distribution of 135G/C in RAD51 gene was observed between the two groups of women.
Conclusion: The genotype HH of the N372H locus in BRCA2 is associated with breast cancers, which might be a genetic risk factor for breast cancers in Chinese populations.
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