Genome-wide association of polycystic ovary syndrome implicates alterations in gonadotropin secretion in European ancestry populations

Adult 0301 basic medicine COMPLEX DISEASES SUSCEPTIBILITY LOCI Adolescent SYNDROME PCOS Quantitative Trait Loci CHROMOSOME 2P16.3 VARIANTS Polymorphism, Single Nucleotide Article White People Young Adult 03 medical and health sciences QUALITY-CONTROL 616 MD Multidisciplinary Humans ANDROGEN EXCESS Reproductive Medicine Network Science & Technology EMERGE NETWORK IDENTIFICATION WOMEN Middle Aged 3. Good health Multidisciplinary Sciences Gene Expression Regulation Case-Control Studies Science & Technology - Other Topics Female Genome-Wide Association Study Polycystic Ovary Syndrome
DOI: 10.1038/ncomms8502 Publication Date: 2015-08-18T14:57:44Z
ABSTRACT
AbstractPolycystic ovary syndrome (PCOS) is a common, highly heritable complex disorder of unknown aetiology characterized by hyperandrogenism, chronic anovulation and defects in glucose homeostasis. Increased luteinizing hormone relative to follicle-stimulating hormone secretion, insulin resistance and developmental exposure to androgens are hypothesized to play a causal role in PCOS. Here we map common genetic susceptibility loci in European ancestry women for the National Institutes of Health PCOS phenotype, which confers the highest risk for metabolic morbidities, as well as reproductive hormone levels. Three loci reach genome-wide significance in the case–control meta-analysis, two novel loci mapping to chr 8p23.1 and chr 11p14.1, and a chr 9q22.32 locus previously found in Chinese PCOS. The same chr 11p14.1 SNP, rs11031006, in the region of the follicle-stimulating hormone B polypeptide (FSHB) gene strongly associates with PCOS diagnosis and luteinizing hormone levels. These findings implicate neuroendocrine changes in disease pathogenesis.
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