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| Content Provider | Springer Nature Link |
|---|---|
| Author | Nyante, Sarah J. Gammon, Marilie D. Kaufman, Jay S. Bensen, Jeannette T. Lin, Dan Yu Barnholtz Sloan, Jill S. Hu, Yijuan He, Qianchuan Luo, Jingchun Millikan, Robert C. |
| Copyright Year | 2014 |
| Abstract | To determine whether associations between estrogen pathway-related single nucleotide polymorphisms (SNPs) and breast cancer risk differ by molecular subtype, we evaluated associations between SNPs in cytochrome P450 family 19 subfamily A polypeptide 1 (CYP19A1), estrogen receptor (ESR1), 3-beta hydroxysteroid dehydrogenase type I (HSD3B1), 17-beta hydroxysteroid dehydrogenase type II (HSD17B2), progesterone receptor (PGR), and sex hormone-binding globulin (SHBG) and breast cancer risk in a case–control study in North Carolina.Cases (n = 1,972) were women 20–74 years old and diagnosed with breast cancer between 1993 and 2001. Population-based controls (n = 1,776) were frequency matched to cases by age and race. A total of 195 SNPs were genotyped, and linkage disequilibrium was evaluated using the r 2 statistic. Odds ratios (ORs) and 95 % confidence intervals (CIs) for associations with breast cancer overall and by molecular subtype were estimated using logistic regression. Monte Carlo methods were used to control for multiple comparisons; two-sided p values <3.3 × 10−4 were statistically significant. Heterogeneity tests comparing the two most common subtypes, luminal A (n = 679) and basal-like (n = 200), were based on the Wald statistic. ESR1 rs6914211 (AA vs. AT+TT, OR 2.24, 95 % CI 1.51–3.33), ESR1 rs985191 (CC vs. AA, OR 2.11, 95 % CI 1.43–3.13), and PGR rs1824128 (TT+GT vs. GG, OR 1.33, 95 % CI 1.14–1.55) were associated with risk after accounting for multiple comparisons. Rs6914211 and rs985191 were in strong linkage disequilibrium among controls (African-Americans r 2 = 0.70; whites r 2 = 0.95). There was no evidence of heterogeneity between luminal A and basal-like subtypes, and the three SNPs were also associated with elevated risk of the less common luminal B, HER2+/ER−, and unclassified subtypes. ESR1 and PGR SNPs were associated with risk, but lack of heterogeneity between subtypes suggests variants in hormone-related genes may play similar roles in the etiology of breast cancer molecular subtypes. |
| Starting Page | 121 |
| Ending Page | 131 |
| Page Count | 11 |
| File Format | |
| ISSN | 09575243 |
| Journal | Cancer Causes & Control |
| Volume Number | 26 |
| Issue Number | 1 |
| e-ISSN | 15737225 |
| Language | English |
| Publisher | Springer International Publishing |
| Publisher Date | 2014-11-25 |
| Publisher Place | Cham |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Breast cancer Single nucleotide polymorphisms Estrogen receptor Progesterone receptor Cytochrome P450 family 19 subfamily A polypeptide 1 17-Beta hydroxysteroid dehydrogenase type II Sex hormone-binding globulin 3-Beta hydroxysteroid dehydrogenase type I Cancer Research Biomedicine general Oncology Public Health Epidemiology Hematology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Cancer Research Oncology |
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