Article ; Online: Circulating 27-hydroxycholesterol, lipids, and steroid hormones in breast cancer risk: a nested case-control study of the Multiethnic Cohort Study.
2023 Volume 25, Issue 1, Page(s) 95
Abstract: Background: Laboratory studies have indicated that a cholesterol metabolite and selective estrogen receptor modulator, 27-hydroxycholesterol (27HC), may be important in breast cancer etiology and explain associations between obesity and postmenopausal ... ...
| Abstract | Background: Laboratory studies have indicated that a cholesterol metabolite and selective estrogen receptor modulator, 27-hydroxycholesterol (27HC), may be important in breast cancer etiology and explain associations between obesity and postmenopausal breast cancer risk. Epidemiologic evidence for 27HC in breast cancer risk is limited, particularly in multiethnic populations. Methods: In a nested case-control study of 1470 breast cancer cases and 1470 matched controls within the Multiethnic Cohort Study, we examined associations of pre-diagnostic circulating 27HC with breast cancer risk among African American, Japanese American, Native Hawaiian, Latino, and non-Latino White postmenopausal females. We used multivariable logistic regression adjusted for age, education, parity, body mass index, and smoking status. Stratified analyses were conducted across racial and ethnic groups, hormone receptor (HR) status, and use of lipid-lowering drugs. We assessed interactions of 27HC with steroid hormones. Results: 27HC levels were inversely related to breast cancer risk (odds ratio [OR] 0.80; 95% confidence interval [CI] 0.58, 1.12), but the association was not statistically significant in the full model. Directions of associations differed by racial and ethnic group. Results suggested an inverse association with HR-negative breast cancer (OR 0.46; 95% CI 0.20, 1.06). 27HC interacted with testosterone, but not estrone, on risk of breast cancer; 27HC was only inversely associated with risk among those with the highest levels of testosterone (OR 0.46; 95% CI 0.24, 0.86). Conclusion: This is the first US study to examine circulating 27HC and breast cancer risk and reports a weak inverse association that varies across racial and ethnic groups and testosterone level. |
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| MeSH term(s) | Female ; Humans ; Breast Neoplasms/epidemiology ; Breast Neoplasms/etiology ; Cohort Studies ; Case-Control Studies ; Risk Factors ; Hydroxycholesterols ; Testosterone | |||||
| Chemical Substances | 27-hydroxycholesterol (6T2NA6P5SQ) ; Hydroxycholesterols ; Testosterone (3XMK78S47O) | |||||
| Language | English | |||||
| Publishing date | 2023-08-14 | |||||
| Publishing country | England | |||||
| Document type | Journal Article ; Research Support, N.I.H., Extramural | |||||
| ZDB-ID | 2015059-3 | |||||
| ISSN | 1465-542X ; 1465-5411 | |||||
| ISSN (online) | 1465-542X | |||||
| ISSN | 1465-5411 | |||||
| DOI | 10.1186/s13058-023-01693-6 | |||||
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| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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