• Liang Tang, Qin Xiang, Ju Xiang, and Jianming Li.
• Department of Basic Biology, Changsha Medical College, Changsha, China.
• Medicine (Baltimore). 2022 May 27; 101 (21): e29168e29168.

AbstractThe nonstructured abstract were supplied as following: Estrogen receptor is involved in the pathogenesis of recurrent spontaneous abortion (RSA). The ESR1 and ESR2 genes can mediate nongenomic estrogen responses. This study aimed to assess the genetic association between the ESR1 and ESR2 genes polymorphisms and RSA susceptibility in a Chinese Han population. A total of 258 women who had experienced RSA and 264 unrelated healthy women were recruited. Genotypes of the 6 polymorphisms in the ESR1 (rs9340799, rs2234693, and rs3798759) and ESR2 genes (rs207764, rs4986938, and rs1256049) were analyzed using Snapshot technology. No association was detected between the alleles and genotypes of ESR1 rs9340799, rs2234693, and rs3798759 polymorphims and RSA risk (P > .05). Subjects carrying the haplotype of rs9340799A-rs2234693C-rs3798759A had a significantly increased RSA risk in the case group compared with the control group (P = .0005, Padj = .003, odds ratios [95% CI] = 0.35 [0.19-0.65]). However, subjects carrying the haplotype of rs9340799G-rs2234693C-rs3798759A had a significantly decreased RSA risk in the case group compared with the control group (P = .0005, Padj = .003, odds ratios [95% CI] = 2.99 [1.57-5.70]). In addition, no association was found between the alleles, genotypes, and haplotypes of ESR2 rs207764, rs4986938, rs1256049 polymorphisms and RSA risk (P > .05). In conclusion, the haplotype rs9340799A-rs2234693C-rs3798759A of ESR1 might be a risk factor. And the haplotype rs9340799G-rs2234693C-rs3798759A of ESR1 might be a protective factor for RSA in a Chinese Han population.Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc.

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