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Effect of paternal folate deficiency on placental folate content and folate receptor α expression in rats
- Effect of paternal folate deficiency on placental folate content and folate receptor α expression in rats
- Kim H.W.; Choi Y.J.; Kim K.N.; Tamura T.; Chang N.
- Ewha Authors
- SCOPUS Author ID
- Issue Date
- Journal Title
- Nutrition Research and Practice
- vol. 5, no. 2, pp. 112 - 116
- SCIE; SCOPUS; KCI
- We investigated the effect of paternal folate status on folate content and expression of the folate transporter folate receptor α (FRα) in rat placental tissues. Rats were mated after males were fed a diet containing 0 mg of folic acid/kg of diet (paternal folate-deficient, PD) or 8 mg folic acid/kg of diet (paternal folate-supplemented, PS) for 4 weeks. At 20 days of gestation, the litter size, placental weight, and fetal weight were measured, and placental folate content (n = 8/group) and expression of FRα (n = 10/group) were analyzed by microbiological assay and Western blot analysis, respectively. Although there was no difference observed in litter size or fetal weight, but significant reduction (10%) in the weight of the placenta was observed in the PD group compared to that in the PS group. In the PD group, placental folate content was significantly lower (by 35%), whereas FRα expression was higher (by 130%) compared to the PS group. Our results suggest that paternal folate status plays a critical role in regulating placental folate metabolism and transport. © 2011 The Korean Nutrition Society and the Korean Society of Community Nutrition.
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