A Systematic Review of Mendelian Randomization in Spontaneous Miscarriage
Shiqing Xiang,1 Yi Jiang,2 Fangxiang Mu,3 Hong Wu,1 Nian Zhang4 1Department of Laboratory Diagnosis, Southwest Hospital, Chongqing, 400038, People’s Republic of China; 2Department of Integrated TCM and Western Medicine, Southwest Hospital, Chongqing, 400038, People’s Republic of China; 3Medical Cent...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Dove Medical Press
2025-04-01
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| Series: | Journal of Multidisciplinary Healthcare |
| Subjects: | |
| Online Access: | https://www.dovepress.com/a-systematic-review-of-mendelian-randomization-in-spontaneous-miscarri-peer-reviewed-fulltext-article-JMDH |
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| Summary: | Shiqing Xiang,1 Yi Jiang,2 Fangxiang Mu,3 Hong Wu,1 Nian Zhang4 1Department of Laboratory Diagnosis, Southwest Hospital, Chongqing, 400038, People’s Republic of China; 2Department of Integrated TCM and Western Medicine, Southwest Hospital, Chongqing, 400038, People’s Republic of China; 3Medical Center of integrated Chinese and Western Medicine, Chongqing General Hospital, Chongqing, 401147, People’s Republic of China; 4Department of Traditional Chinese Medicine, Xinqiao Hospital, Chongqing, 400037, People’s Republic of ChinaCorrespondence: Nian Zhang, No. 83 Xinqiao Main Street, Shapingba District, Department of Traditional Chinese Medicine, Xinqiao Hospital, Chongqing, 400037, People’s Republic of China, Email zhangnian3576@163.comAbstract: Spontaneous miscarriage (SM) is a common pregnancy complication. Although clinical factors are associated with SM, establishing causality is challenging. Mendelian randomization (MR) helps evaluate the causal effects of exposure variables. This study systematically reviewed 31 MR studies performed in SM, identifying causal relationships between SM and smoking, obesity, insomnia, rheumatoid arthritis, and immune-related factors. Smoking initiation and insomnia were identified as risk factors for SM. Coffee consumption showed no causal association with SM risk. Inconsistent evidence was reported for alcohol intake, BMI, depression, and RA regarding their causal relationships with SM. Smoking initiation, specific cytokines (eg, IL-12, TNF-β), and immune cells (eg, CD4+ T cells) demonstrated causal associations with the number of SM. Notably, key SNPs like rs13261666 and rs7127595 played significant roles in MR analyses due to their strong genetic associations with risk factors. Future research should further investigate the mechanistic pathways linking these genetic variants to SM, aiming to provide precise guidance for clinical prevention and treatment. Additionally, inconsistencies in MR results may stem from differences in data sources, SNP selection criteria, and statistical methodologies, indicating the importance of improving data consistency and standardizing analytical approaches in future research.Keywords: Mendelian randomization, spontaneous abortion, epidemiology, single nucleotide polymorphism |
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| ISSN: | 1178-2390 |