<- Home <- Arhive <- Vol. 4, Issue 3, September 2008

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Leptin in pregnancy

C. Constantinescu, I. Enăchescu, C. Văduva, A. Văduva

Abstract: Leptin was initially identified as an adipocyte- derived hormone that decreases food intake and body weight via its receptor in the hypothalamus. Leptin plays an essential role in reproduction by regulating gonadotropin- releasing hormone secretion from the hypothalamus. It also modulates glucose metabolism by increasing insulin sensitivity and activates the sympathetic nervous system. Leptin is produced by placental trophoblasts and is secreted into both the maternal and fetal circulation. Leptin production in the placenta is increased in pregnancies complicated with several pathologic conditions. Leptin gene expression in the placenta is augmented in severe preeclampsia, and maternal plasma leptin levels in severe preeclampsia are significantly higher than those in normotensive pregnant women.
Keywords: leptin, preeclampsie

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