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  • Title: The association of CYP2D6 *10 polymorphism with breast cancer risk and clinico-pathologic characteristics in Chinese women.
    Author: Li H, Feng L, Xu Y, Yao L, Ouyang T, Li J, Wang T, Fan Z, Lin B, Li J, Xie Y.
    Journal: Acta Oncol; 2006; 45(5):597-601. PubMed ID: 16864175.
    Abstract:
    A relatively little is known of whether CYP2D6 *10 (188 C to T) polymorphism mediates susceptibility to breast cancer. In this study the CYP2D6 *10 polymorphism was detected in Chinese women (286 breast cancer patients and 305 healthy women) by a PCR-RFLP assay. We found that women with the 188T/T genotype displayed a slightly increased risk for breast cancer as compared with those with the 188C/C genotype (OR 1.36, CI 0.89-2.1), the association of the 188T/T genotype with breast cancer risk was more pronounced among postmenopausal women (OR 1.49, CI 0.8-2.76), but the association did not reach statistical significance. Furthermore, we found that patients carrying the 188T/T or T/C genotype were more likely to be a positive lymph node status than those with the 188C/C genotype (OR 2.12, CI 1.08-4.18, P = 0.019). Our results suggest that CYP2D6 *10 mutant 188T/T genotype displays a non-significant increased risk for breast cancer. Moreover, patients carrying 188T/T or T/C genotype might exhibit a more aggressive phenotype than those carrying 188C/C genotype, as the observation association of genotype with clinical outcome may be due to chance, therefore, further studies are required to confirm our present findings.
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