Abstract
Purpose
Gestational diabetes mellitus (GDM) is a growing public health problem worldwide and its etiology remains unclear. The pathophysiology of GDM is similar to that of type 2 diabetes (T2DM) and insulin resistance (IR) is the main reason for the development of GDM. Carnitine palmitoyltransferase 1A (CPT1A) is a candidate gene for metabolic disorders; however, the association of the CPT1A gene and GDM has not yet been studied. We aimed to explore whether single-nucleotide polymorphisms (SNPs) of the CPT1A gene could influence the risk of GDM.
Methods
We examined 18 single-nucleotide polymorphisms (SNPs) in the CPT1A gene and the risk of GDM in a nested case-control study of 334 GDM patients and 334 controls. The controls who had no GDM were randomly selected through matching to cases by age and residence.
Results
After adjusting the family history of diabetes, pre-pregnancy body mass index, and multiple comparison correction, the CPT1A rs2846194 and rs2602814 were associated with reduced GDM risk while rs59506005 was associated with elevated GDM risk. Moreover, the GGAC haplotype in the CPT1A gene (rs17399246 rs1016873 rs11228450 rs10896396) was associated with a reduced risk of GDM.
Conclusion
Our study provides evidence for an association between genetic polymorphisms in the CPT1A and the risk of GDM.
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Data Availability
The data sets used and/or analyzed during the current study are available from the corresponding author on reasonable request.
Code availability
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Acknowledgements
The authors express their appreciation to the participants in the Taiyuan Birth Cohort Study for their enthusiastic support.
Funding
This study was funded by the National Natural Science Foundation of China (81703314) and the Scientific and Technological Innovation Project of Higher Education Institutions in Shanxi Province (2019L0439).
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All authors contributed to the study’s conception and design. Material preparation was performed by Feifei Yang, Tianbi Han, Wenqiong Du, and Feng Zhao. Data collection and analysis were performed by Qingwen Ren, Mengzhu Guo, Jinbo Li, and Wangjun Li. Yongliang Feng was responsible for grammar editing. Suping Wang, Yawei Zhang, and Weiwei Wu were in charge of study supervision. The first draft of the manuscript was written by Qingwen Ren and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.
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All study procedures were approved by the Human Investigation Committee at the Shanxi Medical University.
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Ren, Q., Guo, M., Yang, F. et al. Association of CPT1A gene polymorphism with the risk of gestational diabetes mellitus: a case-control study. J Assist Reprod Genet 38, 1861–1869 (2021). https://doi.org/10.1007/s10815-021-02143-y
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DOI: https://doi.org/10.1007/s10815-021-02143-y