期刊
CANCER EPIDEMIOLOGY BIOMARKERS & PREVENTION
卷 18, 期 10, 页码 2761-2764出版社
AMER ASSOC CANCER RESEARCH
DOI: 10.1158/1055-9965.EPI-09-0624
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资金
- Vanderbilt-Ingram Cancer Center [P30 CA68485]
- U.S. NIH [R01CA92447, R01CA100374, U54CA091405]
Recent genome-wide association studies (GWAS) have identified multiple common genetic risk variants for breast cancer among women of Asian and European ancestry. Investigating these genetic susceptibility loci in other populations would be helpful to evaluate the generalizability of the findings and identify the causal variants for breast cancer. We evaluated 11 GWAS-identified genetic susceptibility loci for breast cancer in a study including 2,594 African-American women (810 cases and 1,784 controls). Two single-nucleotide polymorphisms, rs13387042 (2q35) and rs1219648 (FGFR2 gene), were found to be associated with breast cancer risk. Risk increased nearly linearly with the number of affected risk alleles, with a 2-fold elevated risk for women homozygous for the risk alleles in both single-nucleotide polymorphisms. No additional significant associations, however, were identified for the other nine loci evaluated in the study. The results from this study extend some of the recent GWAS findings to African-Americans and may guide future efforts to identify the causal variants for breast cancer. (Cancer Epidemiol Biomarkers Prev 2009;18(10):2761-4)
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