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Prenatal Nutrition Containing Bisphenol A Affects Placenta Glucose Transfer: Evidence in Rats and Human Trophoblast

1
Department of Life Science, University of Siena, 53100 Siena, Italy
2
Department of Biology, Ecology and Earth Sciences, University of Calabria, 87036 Rende, Italy
*
Author to whom correspondence should be addressed.
Nutrients 2020, 12(5), 1375; https://doi.org/10.3390/nu12051375
Received: 14 April 2020 / Revised: 4 May 2020 / Accepted: 6 May 2020 / Published: 11 May 2020
This work aims to clarify the effect of dietary supplementation with Bisphenol A (BPA), a chemical widely present in beverage and food containers, on placental glucose transfer and pregnancy outcome. The study was performed on female Sprague Dawley rats fed with a diet containing BPA (2.5, 25 or 250 μg/Kg/day) for a period of a month (virgin state) plus 20 days during pregnancy. Western blot analysis and immunohistochemistry were performed in placental tissues for glucose type 1 transporter (GLUT1). Furthermore, human trophoblast, HTR8-SV/neo cells, were used to evaluate the effect of BPA on glucose transport and uptake. Studies in rats showed that food supplementation with BPA, produces a higher fetal weight (FW) to placenta weight (PW) ratio at the lowest BPA concentration. Such low concentrations also reduced maternal weight gain in late pregnancy and up-regulated placental expression of GLUT1. Treatment of HTR8-SV/neo with the non-toxic dose of 1 nM BPA confirmed up-regulation of GLUT1 expression and revealed higher activity of the transporter with an increase in glucose uptake and GLUT1 membrane translocation. Overall, these results indicate that prenatal exposure to BPA affects pregnancy and fetal growth producing changes in the placental nutrients-glucose transfer. View Full-Text
Keywords: food contaminants; pregnancy; placental glucose transfer; GLUT1; HTR-8/SVneo cells food contaminants; pregnancy; placental glucose transfer; GLUT1; HTR-8/SVneo cells
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MDPI and ACS Style

Benincasa, L.; Mandalà, M.; Paulesu, L.; Barberio, L.; Ietta, F. Prenatal Nutrition Containing Bisphenol A Affects Placenta Glucose Transfer: Evidence in Rats and Human Trophoblast. Nutrients 2020, 12, 1375. https://doi.org/10.3390/nu12051375

AMA Style

Benincasa L, Mandalà M, Paulesu L, Barberio L, Ietta F. Prenatal Nutrition Containing Bisphenol A Affects Placenta Glucose Transfer: Evidence in Rats and Human Trophoblast. Nutrients. 2020; 12(5):1375. https://doi.org/10.3390/nu12051375

Chicago/Turabian Style

Benincasa, Linda; Mandalà, Maurizio; Paulesu, Luana; Barberio, Laura; Ietta, Francesca. 2020. "Prenatal Nutrition Containing Bisphenol A Affects Placenta Glucose Transfer: Evidence in Rats and Human Trophoblast" Nutrients 12, no. 5: 1375. https://doi.org/10.3390/nu12051375

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