Toll‑like receptor 4 gene is associated with recurrent spontaneous miscarriage in Uygur and Han women in Xinjiang

Jiao,Yonghui; Zhao,Jing; Hu,Bo; La,Xiaoling; Gong,Xiaoyun; Huang,Ying; Cai,Xia; Zhang,Yi

doi:10.3892/etm.2016.3796

Toll‑like receptor 4 gene is associated with recurrent spontaneous miscarriage in Uygur and Han women in Xinjiang

Authors:
- Yonghui Jiao
- Jing Zhao
- Bo Hu
- Xiaoling La
- Xiaoyun Gong
- Ying Huang
- Xia Cai
- Yi Zhang
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Affiliations: Department of Gynecology and Obstetrics, Xiang Ya Hospital, Central South University, Changsha, Hunan 410008, P.R. China, Reproductive Medical Center, First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang 830054, P.R. China, Department of Obstetrics, People's Hospital of Xinjiang Uygur Autonomous Region, Urumqi, Xinjiang 830001, P.R. China
Published online on: October 11, 2016 https://doi.org/10.3892/etm.2016.3796
Pages: 3268-3274
Copyright: © Jiao et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

Toll-like receptor 4 (TLR4), a recently identified vertebrate receptor, serves a pivotal role in immune responses. The aim of the present study was to investigate the association between the human TLR4 gene and recurrent spontaneous miscarriage (RSM). A total of 306 RSM patents and 306 age‑matched controls were genotyped for four single‑nucleotide polymorphisms (SNPs) of the human TLR4 gene (rs1927914, rs1927911, rs4986790 and rs4986791). Data were analyzed for Uygur and Han women separately using a haplotype‑based case‑control study. There were significant differences between the distributions of rs1927914, rs1927911 and rs4986790 SNPs between RSM patients and the controls (P=0.001, P<0.001 and P=0.015, respectively) were identified in Uygur women, and significant differences between the distributions of the rs1927914 and rs1927911 SNPs between RSM patients and the controls (P<0.001 and P<0.001, respectively) were identified in Han women. Results of the logistic regression analysis indicated that rs1927914, rs1927911 and rs4986790 SNPs were significantly higher in the RSM patients compared with the control individuals (P=0.012, P=0.024 and P=0.035, respectively) in Uygur women. Furthermore, significantly higher frequency was noted for the A‑G‑G haplotype (SNP1‑SNP2‑SNP3) (P=0.016) in RSM patients compared with the controls in Uygur women. The results indicate that rs1927914, rs1927911, rs4986790 and the A‑G‑G haplotype (SNP1‑SNP2‑SNP3) of the human TLR4 gene may be genetic markers for RSM in Uygur women, while rs1927914 and rs1927911 SNPs of the human TLR4 gene are most likely associated with RSM in Han women in Xinjiang.

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