Abstract
Objective: To evaluate whether serum folic receptor α levels are changed in women whose previous pregnancies were complicated with neural tube defects (NTDs).Methods: This was a case–control study that included 41 women as the control group who had previously had at least one healthy pregnancy and 37 women as the study group who had a previous pregnancy complicated with NTDs. Blood samples were obtained from all of the participants six weeks after the termination of pregnancy or delivery of a baby. Serum folate receptor α concentrations were analyzed using a commercially available enzyme-linked immunosorbent assay (ELISA) kit.Results: The mean concentrations of serum folate receptor α were significantly lower in the NTD cases compared to those in the control group (p = 0.02). There was no significant difference in mean serum folate titers between the NTD cases and the control group (p = 0.07).Conclusion: Low serum folic acid receptor α levels in the current study did not appear to be a regulatory marker of maternal folate homeostasis per se but rather a factor that contributed to the development of NTDs.
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