Sex differences in mouse placental metabolite profiles: an NMR metabolomics study.

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    • Abstract:
      A proper functioning placenta is essential for normal fetal development. The placenta has a vital function as a protective barrier and is critical for nutrient and waste exchange for the developing fetus. Our group and others have reported sex differences in both placental structure and function; however, differences in the placental metabolome between female and male fetuses have been understudied. Here, placental tissue samples were collected from healthy pregnant CD-1 mice in late gestation (n = 26 female and n = 27 male placentas from 17 dams at embryonic day 17.5). Metabolite profiles were determined using 1H magic angle spinning nuclear magnetic resonance. The relative concentration of alanine was significantly higher in male placentas whereas, threonine was higher in female placentas (p < 0.05). This study adds to the growing literature demonstrating sex differences in healthy placental function and emphasizes the importance of examining both female and male placentas in metabolomics studies. [ABSTRACT FROM AUTHOR]
    • Abstract:
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