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Cancer Epidemiol Biomarkers Prev. 2021 Sep;30(9):1652-1659. doi: 10.1158/1055-9965.EPI-21-0139. Epub 2021 Jul 08.

Prolactin and Risk of Epithelial Ovarian Cancer.

Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology

Cassandra A Hathaway, Megan S Rice, Mary K Townsend, Susan E Hankinson, Alan A Arslan, Julie E Buring, Göran Hallmans, Annika Idahl, Laura D Kubzansky, I-Min Lee, Eva A Lundin, Patrick M Sluss, Anne Zeleniuch-Jacquotte, Shelley S Tworoger

Affiliations

  1. Department of Cancer Epidemiology, Moffitt Cancer Center, Tampa, Florida.
  2. Clinical and Translational Epidemiology Unit, Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts.
  3. Department of Biostatistics and Epidemiology, School of Public Health and Health Sciences, University of Massachusetts Amherst, Amherst, Massachusetts.
  4. Department of Obstetrics and Gynecology, New York University Langone Health, New York, New York.
  5. Department of Population Health, New York University Langone Health, New York, New York.
  6. NYU Perlmutter Comprehensive Cancer Center, New York, New York.
  7. Division of Preventive Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts.
  8. Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts.
  9. Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden.
  10. Department of Clinical Sciences, Obstetrics and Gynecology, Umeå University, Umeå, Sweden.
  11. Department of Medical Biosciences, Pathology, Umeå University, Umeå, Sweden.
  12. Department of Pathology, Massachusetts General Hospital, Boston, Massachusetts.
  13. Department of Cancer Epidemiology, Moffitt Cancer Center, Tampa, Florida. [email protected].

PMID: 34244157 PMCID: PMC8419083 DOI: 10.1158/1055-9965.EPI-21-0139

Abstract

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: We conducted 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 (

CONCLUSIONS: We found a trend between higher prolactin levels and increased ovarian cancer risk, especially among women with a BMI ≥ 25 kg/m

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.

©2021 American Association for Cancer Research.

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