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Guo C, Yin X, Yao S. The effect of MicroRNAs variants on idiopathic recurrent pregnancy loss. J Assist Reprod Genet 2023; 40:1589-1595. [PMID: 37199867 PMCID: PMC10352210 DOI: 10.1007/s10815-023-02827-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Accepted: 05/08/2023] [Indexed: 05/19/2023] Open
Abstract
BACKGROUND Although the importance of miRNA variants in female reproductive disorders has been frequently reported, the association between miRNA polymorphisms and recurrent pregnancy loss (RPL) has been poorly studied. In this study, we aimed to assess the correlation of four different miRNA variants to unexplained RPL. METHODS AND RESULTS The prevalence of four SNPs including miR-21 rs1292037, miR-155-5p rs767649, miR-218-2 rs11134527, and miR-605 rs2043556 in 280 cases with iRPL and 280 controls was performed. The DNA was extracted from all subjects and the SNPs were genotyped using RFLP-PCR methods. The data revealed that rs1292037 and rs767649 were significantly associated with higher rates of iRPL in patients compared with controls while rs11134527 and rs2043556 showed no association with increased rates of iRPL among patients. The haplotypes T-A-G-G and T-A-G-A were the most frequent in both cases and controls. Three haplotypes including T-T-G-A, C-T-G-G, and T-A-A-A showed significantly different frequencies in patients in comparison to healthy females. CONCLUSION This study suggests that rs1292037 and rs767649 could be risk factors for increased rates of iRPL.
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Affiliation(s)
- Chunlei Guo
- Department of Obstetrics, Hengshui People's Hospital, 180 East Renmin Rd, Hengshui, 053000, China
| | - Xuejing Yin
- Department of Obstetrics, Hengshui People's Hospital, 180 East Renmin Rd, Hengshui, 053000, China
| | - Shuiping Yao
- Department of Obstetrics, Hengshui People's Hospital, 180 East Renmin Rd, Hengshui, 053000, China.
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Chen C, Wang S, Zhang C, Wu X, Zhou L, Zou X, Guan T, Zhang Z, Hao J. Association between serum vitamin D level during pregnancy and recurrent spontaneous abortion: a systematic review and meta-analysis. Am J Reprod Immunol 2022; 88:e13582. [PMID: 35662305 DOI: 10.1111/aji.13582] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 05/08/2022] [Accepted: 06/01/2022] [Indexed: 11/26/2022] Open
Abstract
PROBLEM Previous studies had shown that there might be an association between serum vitamin D concentrations and the occurrence of recurrent spontaneous abortion (RSA). However, the conclusions remained controversial. The objective of this study was to systematically review the evidence for an epidemiological association between vitamin D and RSA. METHOD OF STUDY The literature search was performed in the following databases: PubMed, Web of Science, Embase and Chinese databases. The I2 statistic was used to evaluate heterogeneity. Effect sizes were calculated using fixed or random effects models, including standardized mean difference (SMD), odds ratios (OR) and their 95% confidence intervals (95%CI). Then we performed subgroup analysis, sensitivity analysis and publication bias analysis. RESULTS Fourteen studies from five countries were included. Based on the results, patients with RSA had lower vitamin D levels than controls (SMD = -1.48, 95%CI: -2.01, -0.94, P<0.001), and pregnant women with vitamin D deficiency (VDD) had a higher risk of developing RSA (OR = 4.02, 95%CI: 2.23, 7.25, P<0.001). There was remarkable heterogeneity between studies (I2 SMD = 97.3%, P<0.001; I2 OR = 82.2%, P<0.001). The results of the subgroup analysis suggested that heterogeneity may be caused by the assay method, age and region. Sensitivity analysis showed the analysis results were robust. CONCLUSION Patients with RSA had lower serum vitamin D levels than normal pregnant women, and pregnant women with VDD might be at higher risk for RSA. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Chen Chen
- School of Public Health, Anhui Medical University, Hefei, Anhui, China
| | - Shaojie Wang
- School of Public Health, Anhui Medical University, Hefei, Anhui, China
| | - Chao Zhang
- School of Public Health, Anhui Medical University, Hefei, Anhui, China
| | - Xiaochang Wu
- School of Public Health, Anhui Medical University, Hefei, Anhui, China
| | - Li Zhou
- School of Public Health, Anhui Medical University, Hefei, Anhui, China
| | - Xuanmin Zou
- School of Public Health, Anhui Medical University, Hefei, Anhui, China
| | - Tianyue Guan
- School of Public Health, Anhui Medical University, Hefei, Anhui, China
| | - Zhihua Zhang
- School of Public Health, Anhui Medical University, Hefei, Anhui, China
| | - Jiahu Hao
- School of Public Health, Anhui Medical University, Hefei, Anhui, China.,Key Laboratory of Population Health Across Life Cycle, Anhui Medical University, Ministry of Education of the People's Republic of China, Hefei, Anhui, China.,NHC Key Laboratory of study on abnormal gametes and reproductive tract, Hefei, Anhui, China.,Anhui Provincial Key Laboratory of Population Health and Aristogenics, Anhui Medical University, Hefei, Anhui, China
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