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Association analysis between MDR1 genetic variant and breast cancer risk factors in Chinese Han population
Yi Hu1, Jingliang Wang, Haitao Tao
1Department of Oncology, The Chinese PLA General Hospital, No. 28, Fuxing Street, Haidian District, Beijing 100853, People's Republic of China. yihu_13@sina.cn
Abstract:
The multidrug resistance 1 gene (MDR1) is an important candidate gene for influencing breast cancer susceptibility. This study aimed to evaluate the association between MDR1 genetic variants and breast cancer susceptibility. A total of 340 breast cancer patients and 348 cancer-free controls were enrolled in this study. The patients' general characteristics and related risk factors of breast cancer were collected by questionnaires. The c.4125A>C genetic variant was genotyped through created restriction site polymerase chain reaction method. Our data suggest that there are no significant differences in the allelic and genotypic frequencies between breast cancer patients and cancer-free controls. Moreover, the distribution of breast cancer patients' risk factors is not different among AA, AC, and CC genotypes. These preliminary results suggest that the c.4125A>C genetic variant is not significantly associated with breast cancer susceptibility.
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