A multi-stage genome-wide association study of uterine fibroids in African Americans
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Author
Hellwege, Jacklyn N.
Jeff, Janina M.
Wise, Lauren A.
Gallagher, C. Scott
Wellons, Melissa
Hartmann, Katherine E.
Jones, Sarah F.
Torstenson, Eric S.
Dickinson, Scott
Ruiz-Narváez, Edward A.
Rohland, Nadin
Allen, Alexander
Pasaniuc, Bogdan
Mancuso, Nicholas
Im, Hae Kyung
Hinds, David A.
Palmer, Julie R.
Rosenberg, Lynn
Denny, Joshua C.
Roden, Dan M.
Stewart, Elizabeth A.
Kenny, Eimear E.
Edwards, Todd L.
Velez Edwards, Digna R.
Note: Order does not necessarily reflect citation order of authors.
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https://doi.org/10.1007/s00439-017-1836-1Metadata
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Hellwege, J. N., J. M. Jeff, L. A. Wise, C. S. Gallagher, M. Wellons, K. E. Hartmann, S. F. Jones, et al. 2017. “A multi-stage genome-wide association study of uterine fibroids in African Americans.” Human Genetics 136 (10): 1363-1373. doi:10.1007/s00439-017-1836-1. http://dx.doi.org/10.1007/s00439-017-1836-1.Abstract
Uterine fibroids are benign tumors of the uterus affecting up to 77% of women by menopause. They are the leading indication for hysterectomy, and account for $34 billion annually in the United States. Race/ethnicity and age are the strongest known risk factors. African American (AA) women have higher prevalence, earlier onset, and larger and more numerous fibroids than European American women. We conducted a multi-stage genome-wide association study (GWAS) of fibroid risk among AA women followed by in silico genetically predicted gene expression profiling of top hits. In Stage 1, cases and controls were confirmed by pelvic imaging, genotyped and imputed to 1000 Genomes. Stage 2 used self-reported fibroid and GWAS data from 23andMe, Inc. and the Black Women’s Health Study. Associations with fibroid risk were modeled using logistic regression adjusted for principal components, followed by meta-analysis of results. We observed a significant association among 3399 AA cases and 4764 AA controls at rs739187 (risk-allele frequency = 0.27) in CYTH4 (OR (95% confidence interval) = 1.23 (1.16–1.30), p value = 7.82 × 10−9). Evaluation of the genetic association results with MetaXcan identified lower predicted gene expression of CYTH4 in thyroid tissue as significantly associated with fibroid risk (p value = 5.86 × 10−8). In this first multi-stage GWAS for fibroids among AA women, we identified a novel risk locus for fibroids within CYTH4 that impacts gene expression in thyroid and has potential biological relevance for fibroids. Electronic supplementary material The online version of this article (doi:10.1007/s00439-017-1836-1) contains supplementary material, which is available to authorized users.Other Sources
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5628188/pdf/Terms of Use
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