TY - JOUR
T1 - CYP3A7*1C allele
T2 - linking premenopausal oestrone and progesterone levels with risk of hormone receptor-positive breast cancers
AU - Johnson, Nichola
AU - Maguire, Sarah
AU - Morra, Anna
AU - Kapoor, Pooja Middha
AU - Tomczyk, Katarzyna
AU - Jones, Michael E
AU - Schoemaker, Minouk J
AU - Gilham, Clare
AU - Bolla, Manjeet K
AU - Wang, Qin
AU - Dennis, Joe
AU - Ahearn, Thomas U
AU - Andrulis, Irene L
AU - Anton-Culver, Hoda
AU - Antonenkova, Natalia N
AU - Arndt, Volker
AU - Aronson, Kristan J
AU - Augustinsson, Annelie
AU - Baynes, Caroline
AU - Freeman, Laura E Beane
AU - Beckmann, Matthias W
AU - Benitez, Javier
AU - Bermisheva, Marina
AU - Blomqvist, Carl
AU - Boeckx, Bram
AU - Bogdanova, Natalia V
AU - Bojesen, Stig E
AU - Brauch, Hiltrud
AU - Brenner, Hermann
AU - Burwinkel, Barbara
AU - Campa, Daniele
AU - Canzian, Federico
AU - Castelao, Jose E
AU - Chanock, Stephen J
AU - Chenevix-Trench, Georgia
AU - Clarke, Christine L
AU - Conroy, Don M
AU - Couch, Fergus J
AU - Cox, Angela
AU - Cross, Simon S
AU - Czene, Kamila
AU - Dörk, Thilo
AU - Eliassen, A Heather
AU - Engel, Christoph
AU - Evans, D Gareth
AU - Fasching, Peter A
AU - Figueroa, Jonine
AU - Flyger, Henrik
AU - Nielsen, Sune F
AU - Nordestgaard, Børge G
AU - NBCS Collaborators
N1 - Publisher Copyright:
© 2021, The Author(s).
Copyright:
Copyright 2021 Elsevier B.V., All rights reserved.
PY - 2021/2/16
Y1 - 2021/2/16
N2 - BACKGROUND: Epidemiological studies provide strong evidence for a role of endogenous sex hormones in the aetiology of breast cancer. The aim of this analysis was to identify genetic variants that are associated with urinary sex-hormone levels and breast cancer risk.METHODS: We carried out a genome-wide association study of urinary oestrone-3-glucuronide and pregnanediol-3-glucuronide levels in 560 premenopausal women, with additional analysis of progesterone levels in 298 premenopausal women. To test for the association with breast cancer risk, we carried out follow-up genotyping in 90,916 cases and 89,893 controls from the Breast Cancer Association Consortium. All women were of European ancestry.RESULTS: For pregnanediol-3-glucuronide, there were no genome-wide significant associations; for oestrone-3-glucuronide, we identified a single peak mapping to the CYP3A locus, annotated by rs45446698. The minor rs45446698-C allele was associated with lower oestrone-3-glucuronide (-49.2%, 95% CI -56.1% to -41.1%, P = 3.1 × 10-18); in follow-up analyses, rs45446698-C was also associated with lower progesterone (-26.7%, 95% CI -39.4% to -11.6%, P = 0.001) and reduced risk of oestrogen and progesterone receptor-positive breast cancer (OR = 0.86, 95% CI 0.82-0.91, P = 6.9 × 10-8).CONCLUSIONS: The CYP3A7*1C allele is associated with reduced risk of hormone receptor-positive breast cancer possibly mediated via an effect on the metabolism of endogenous sex hormones in premenopausal women.
AB - BACKGROUND: Epidemiological studies provide strong evidence for a role of endogenous sex hormones in the aetiology of breast cancer. The aim of this analysis was to identify genetic variants that are associated with urinary sex-hormone levels and breast cancer risk.METHODS: We carried out a genome-wide association study of urinary oestrone-3-glucuronide and pregnanediol-3-glucuronide levels in 560 premenopausal women, with additional analysis of progesterone levels in 298 premenopausal women. To test for the association with breast cancer risk, we carried out follow-up genotyping in 90,916 cases and 89,893 controls from the Breast Cancer Association Consortium. All women were of European ancestry.RESULTS: For pregnanediol-3-glucuronide, there were no genome-wide significant associations; for oestrone-3-glucuronide, we identified a single peak mapping to the CYP3A locus, annotated by rs45446698. The minor rs45446698-C allele was associated with lower oestrone-3-glucuronide (-49.2%, 95% CI -56.1% to -41.1%, P = 3.1 × 10-18); in follow-up analyses, rs45446698-C was also associated with lower progesterone (-26.7%, 95% CI -39.4% to -11.6%, P = 0.001) and reduced risk of oestrogen and progesterone receptor-positive breast cancer (OR = 0.86, 95% CI 0.82-0.91, P = 6.9 × 10-8).CONCLUSIONS: The CYP3A7*1C allele is associated with reduced risk of hormone receptor-positive breast cancer possibly mediated via an effect on the metabolism of endogenous sex hormones in premenopausal women.
UR - http://www.scopus.com/inward/record.url?scp=85099996359&partnerID=8YFLogxK
U2 - 10.1038/s41416-020-01185-w
DO - 10.1038/s41416-020-01185-w
M3 - Journal article
C2 - 33495599
SN - 0007-0920
VL - 124
SP - 842
EP - 854
JO - British Journal of Cancer
JF - British Journal of Cancer
IS - 4
ER -