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Background. Polycystic ovary syndrome (PCOS) is the most common endocrine metabolic disorder affecting premenopausal women. Besides primary features like anovulation, hyperandrogenism, and polycystic ovaries, women with PCOS present with multiple metabolic, cardiovascular, and psychological disorders. The etiology is multifactorial and the different genetic variants are suggested to play an important role in pathogenesis. Insulin resistance is a ubiquitous finding in PCOS and SNPs in genes involved in the insulin signaling pathway are possible candidates that can explain the development of clinical manifestations of PCOS. Aim. We aimed to investigate the association of INSR His1058 C/T (rs1799817) single nucleotide polymorphism with PCOS in Kashmiri women. The genotypic-phenotypic correlation of the tested SNP with hyperandrogenism, ovulatory dysfunction, and metabolic markers was evaluated. Results. The allele frequency (OR = 1.00, 95% CI = 0.67–1.48, χ2 = 0.01,  P = 0.99 ) and genotype distribution (χ2 = 3.73,  P = 0.15 ) in INSR C/T polymorphism were comparable with controls. No significant association was found with PCOS in dominant ( P = 0.194 ), recessive ( P = 0.442 ), and homo vs. het. ( P = 0.5 ) genotype models. Genotype-phenotype correlation analysis revealed that variant TT genotype had significantly higher HOMA ( P = 0.029 ) and reduced insulin sensitivity QUICKI ( P = 0.037 ) values. There was no significant variation in the prevalence of hirsutism, acne, alopecia, menstrual disturbances, acanthosis nigricans, and obesity (all  P &gt; 0.05 ) in different INSR C/T genotypes. Conclusion. The INSR C/T SNP (rs1799817) does not increase the risk of PCOS in Kashmiri women. This SNP is unlikely to play a significant role in the development and manifestation of clinical symptoms of polycystic ovary syndrome.

international journal of endocrinology

Clinical Manifestations of Hyperandrogenism and Ovulatory Dysfunction Are Not Associated with His1058 C/T SNP (rs1799817) Polymorphism of Insulin Receptor Gene Tyrosine Kinase Domain in Kashmiri Women with PCOS