| Content Provider | Springer Nature : BioMed Central |
|---|---|
| Author | Young, Kristin L. Olshan, Andrew F. Lunetta, Kathryn Graff, Mariaelisa Williams, Lindsay A. Yao, Song Zirpoli, Gary R. Troester, Melissa Palmer, Julie R. |
| Abstract | Background Moderate to heavy alcohol consumption is associated with an increased risk of breast cancer. The etiologic role of genetic variation in genes involved in ethanol metabolism has not been established, with little information available among women of African ancestry. Methods Our analysis from the African American Breast Cancer Epidemiology and Risk (AMBER) Consortium included 2889 U.S. Black women who were current drinkers at the time of breast cancer diagnosis (N cases = 715) and had available genetic data for four ethanol metabolism genomic regions (ADH, ALDH, CYP2E1, and ALDH2). We used generalized estimating equations to calculate genetic effects, gene* alcohol consumption (≥ 7drinks/week vs. < 7/week) interactions, and joint main plus interaction effects of up to 23,247 variants in ethanol metabolism genomic regions on odds of breast cancer. Results Among current drinkers, 21% of cases and 14% of controls reported consuming ≥ 7 drinks per week. We identified statistically significant genetic effects for rs79865122-C in CYP2E1 with odds of ER- breast cancer and odds of triple negative breast cancer, as well as a significant joint effect with odds of ER- breast cancer (≥ 7drinks per week OR = 3.92, < 7 drinks per week OR = 0.24, pjoint = 3.74 × 10−6). In addition, there was a statistically significant interaction of rs3858704-A in ALDH2 with consumption of ≥ 7 drinks/week on odds of triple negative breast cancer (≥ 7drinks per week OR = 4.41, < 7 drinks per week OR = 0.57, pint = 8.97 × 10–5). Conclusions There is a paucity of information on the impact of genetic variation in alcohol metabolism genes on odds of breast cancer among Black women. Our analysis of variants in four genomic regions harboring ethanol metabolism genes in a large consortium of U.S. Black women identified significant associations between rs79865122-C in CYP2E1 and odds of ER- and triple negative breast cancer. Replication of these findings is warranted. |
| Related Links | https://breast-cancer-research.biomedcentral.com/counter/pdf/10.1186/s13058-023-01660-1.pdf |
| Ending Page | 11 |
| Page Count | 11 |
| Starting Page | 1 |
| File Format | HTM / HTML |
| DOI | 10.1186/s13058-023-01660-1 |
| Journal | Breast Cancer Research |
| Issue Number | 1 |
| Volume Number | 25 |
| Language | English |
| Publisher | BioMed Central |
| Publisher Date | 2023-06-12 |
| Access Restriction | Open |
| Subject Keyword | Cancer Research Oncology Surgical Oncology Alcohol Breast cancer Gene-environment interaction |
| Content Type | Text |
| Resource Type | Article |
| Subject | Cancer Research Oncology |
| Journal Impact Factor | 6.1/2023 |
| 5-Year Journal Impact Factor | 7.1/2023 |
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