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Prolactin and risk of epithelial ovarian cancer

Hathaway, Cassandra A. (author)
Department of Cancer Epidemiology, Moffitt Cancer Center, FL, Tampa, United States
Rice, Megan S. (author)
Clinical and Translational Epidemiology Unit, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, MA, Boston, United States
Townsend, Mary K. (author)
Department of Cancer Epidemiology, Moffitt Cancer Center, FL, Tampa, United States
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Hankinson, Susan E. (author)
Department of Biostatistics and Epidemiology, School of Public Health and Health Sciences, University of Massachusetts Amherst, MA, Amherst, United States
Arslan, Alan A. (author)
Department of Obstetrics and Gynecology, New York University Langone Health, NY, New York, United States; Department of Population Health, New York University Langone Health, NY, New York, United States; NYU Perlmutter Comprehensive Cancer Center, NY, New York, United States
Buring, Julie E. (author)
Division of Preventive Medicine, Brigham and Women's Hospital, Harvard Medical School, MA, Boston, United States; Department of Epidemiology, Harvard T.H. Chan School of Public Health, MA, Boston, United States
Hallmans, Göran, 1947- (author)
Umeå universitet,Näringsforskning
Idahl, Annika, 1965- (author)
Umeå universitet,Obstetrik och gynekologi
Kubzansky, Laura D. (author)
Department of Epidemiology, Harvard T.H. Chan School of Public Health, MA, Boston, United States
Lee, I-Min (author)
Division of Preventive Medicine, Brigham and Women's Hospital, Harvard Medical School, MA, Boston, United States; Department of Epidemiology, Harvard T.H. Chan School of Public Health, MA, Boston, United States
Lundin, Eva (author)
Umeå universitet,Patologi
Sluss, Patrick M. (author)
Department of Pathology, Massachusetts General Hospital, MA, Boston, United States
Zeleniuch-Jacquotte, Anne (author)
Department of Population Health, New York University Langone Health, NY, New York, United States; NYU Perlmutter Comprehensive Cancer Center, NY, New York, United States
Tworoger, Shelley S. (author)
Department of Cancer Epidemiology, Moffitt Cancer Center, FL, Tampa, United States; Department of Epidemiology, Harvard T.H. Chan School of Public Health, MA, Boston, United States
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 (creator_code:org_t)
American Association for Cancer Research (AACR), 2021
2021
English.
In: Cancer Epidemiology, Biomarkers and Prevention. - : American Association for Cancer Research (AACR). - 1055-9965 .- 1538-7755. ; 30:9, s. 1652-1659
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Background: Prolactin is synthesized in the ovaries and may play a role in ovarian cancer etiology. One prior prospective study observed a suggestive positive association between prolactin levels and risk of ovarian cancer.Methods: Weconducted a pooled case-control study of 703 cases and 864 matched controls nested within five prospective cohorts. We used unconditional logistic regression to calculate adjusted odds ratios (OR) and 95% confidence intervals (CI) for the association between prolactin and ovarian cancer risk. We examined heterogeneity by menopausal status at blood collection, body mass index (BMI), age, and histotype.Results: Among women with known menopausal status, we observed a positive trend in the association between prolactin and ovarian cancer risk (Ptrend = 0.045; OR, quartile 4 vs. 1 = 1.34; 95% CI = 0.97–1.85), but no significant association was observed for premenopausal or postmenopausal women individually (corresponding OR = 1.38; 95% CI = 0.74–2.58; Ptrend = 0.32 and OR = 1.41; 95% CI = 0.93–2.13; Ptrend = 0.08, respectively; Pheterogeneity = 0.91). In stratified analyses, we observed a positive association between prolactin and risk for women with BMI ≥ 25 kg/m2, but not BMI < 25 kg/m2 (corresponding OR = 2.68; 95% CI = 1.56–4.59; Ptrend < 0.01 and OR = 0.90; 95% CI = 0.58–1.40; Ptrend = 0.98, respectively; Pheterogeneity < 0.01). Associations did not vary by age, postmenopausal hormone therapy use, histotype, or time between blood draw and diagnosis.Conclusions: We found a trend between higher prolactin levels and increased ovarian cancer risk, especially among women with a BMI ≥ 25 kg/m2.Impact: This work supports a previous study linking higher prolactin with ovarian carcinogenesis in a high adiposity setting. Future work is needed to understand the mechanism underlying this association.

Subject headings

MEDICIN OCH HÄLSOVETENSKAP  -- Klinisk medicin -- Cancer och onkologi (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Clinical Medicine -- Cancer and Oncology (hsv//eng)
MEDICIN OCH HÄLSOVETENSKAP  -- Hälsovetenskap -- Folkhälsovetenskap, global hälsa, socialmedicin och epidemiologi (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Health Sciences -- Public Health, Global Health, Social Medicine and Epidemiology (hsv//eng)

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