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- Title
Association of polymorphisms of FOLR1 gene and FOLR2 gene and maternal folic acid supplementation with risk of ventricular septal defect: a case-control study.
- Authors
Song, Xinli; Wei, Jianhui; Shu, Jing; Liu, Yiping; Sun, Mengting; Zhu, Ping; Qin, Jiabi
- Abstract
<bold>Objectives: </bold>It was the first time to examine the role of maternal polymorphisms of FOLR1 gene and FOLR2 gene, as well as their interactions with maternal folic acid supplementation (FAS), in the risk of ventricular septal defect (VSD).<bold>Methods: </bold>A case-control study was conducted with 385 mothers of VSD infants and 652 controls. The exposures of interest were FAS and FOLR1 gene and FOLR2 gene polymorphisms. The logistic regression model was used for accessing the strength of association.<bold>Results: </bold>After controlling for the potential confounders, women who did not utilize folic acid had a substantially higher risk of VSD (aOR = 2.25; 95% CI: 1.48 to 3.43), compared to those who did. We also observed genetic polymorphisms of FOLR1 gene at rs2071010 (GA vs. GG: aOR = 0.63, 95%CI: 0.45 to 0.88) and rs11235462 (AA vs. TT: aOR = 0.53, 95%CI: 0.33 to 0.84), as well as FOLR2 gene at rs651646 (AA vs. TT: aOR = 0.46, 95%CI: 0.30 to 0.70), rs2298444 (CC vs. TT: aOR = 0.58, 95%CI: 0.36 to 0.91) and rs514933 (TC vs. TT: aOR = 0.57, 95%CI: 0.41 to 0.78) were associated with a lower risk of VSD. Furthermore, there was a statistically significant interaction between maternal FAS and genetic polymorphisms at rs514933 on the risk of VSD (FDR_P = 0.015).<bold>Conclusions: </bold>The maternal genetic polymorphisms of the FOLR1 gene and FOLR2 gene, as well as FAS and their interactions, were shown to be significantly associated with the risk of VSD in offspring.
- Subjects
GENETIC polymorphisms; CASE-control method; DIETARY supplements; DISEASE susceptibility; QUESTIONNAIRES; TUMOR antigens; LOGISTIC regression analysis; FOLIC acid; VENTRICULAR septal defects; ANIMALS
- Publication
European Journal of Clinical Nutrition, 2022, Vol 76, Issue 9, p1273
- ISSN
0954-3007
- Publication type
journal article
- DOI
10.1038/s41430-022-01110-9