The assessment of GWAS — identified polymorphisms associated with infertility risk in Polish women with endometriosis

Objectives: Genome-wide association studies in patients with endometriosis revealed ten significant single nucleotide polymorphisms (SNPs) in the Caucasian population, which include rs12700667 near NFE2L3, rs12037376 in WNT4, rs7521902 near WNT4, rs13394619 in GREB1, rs10859871 near VEZT, rs1537377 near CDKN2B-AS1, rs4141819 near ETAA1, rs7739264 near ID4, rs1519761 near RND3 and rs6542095 near IL1A.

We replicated ten polymorphisms among infertile women with endometriosis (n = 315) and healthy fertile women (n = 406) in the Polish Caucasian population. Genotyping was conducted either by high-resolution melting curve analysis or by a pre-designed TaqMan probe.

For all infertile women with endometriosis, the p values of the Cochran-Armitage trend test for the rs12700667 SNP was ptrend = 0.038 and the odds ratio (OR) for the risk allele frequency (RAF) of rs12700667 was 1.304 (95% CI = 1.009–1.685; p = 0.042). In patients with endometriosis with severity stages III/IV, ptrend for rs12700667 SNP was 0.036 and OR for the RAF was 1.394 (95% CI = 1.010–1.923; p = 0.043). In infertile women with endometriosis with severity stages III/IV for rs4141819 SNP, we observed ptrend = 0.026 and for RAF the OR = 1.350 (95% CI = 1.032–1.766; p = 0.029).

Our results demonstrate association of RAF of rs12700667 and rs4141819 SNPs with infertility in Polish women with advanced endometriosis.

GWASendometriosisinfertility

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