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Related Experiment Videos

[Leptin during pregnancy].

J Lepercq1, S Hauguel De Mouzo

  • 1Service de Gynécologie-Obstétrique, Hôpital Cochin Saint-Vincent-de-Paul, 82, avenue Denfert-Rochereau, 75014 Paris, France. j.lepercq@svp.ap-hop-paris.fr

Journal De Gynecologie, Obstetrique Et Biologie De La Reproduction
|May 23, 2002
PubMed
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Placental leptin is crucial during pregnancy, influencing fetal growth and maternal energy balance. Further research is needed to understand its role in complicated pregnancies.

Area of Science:

  • Reproductive biology
  • Endocrinology
  • Metabolic regulation

Context:

  • Leptin, a hormone produced by adipose cells, is also synthesized by the placenta during pregnancy.
  • Maternal circulating leptin levels are significantly influenced by placental production.
  • Leptin is detectable in fetal plasma by 18 weeks of gestation.

Purpose:

  • To review recent findings on the functions of placental leptin during pregnancy.
  • To explore the regulation and implications of leptin in maternal and fetal physiology.
  • To highlight the potential roles of leptin in pregnancy complications.

Summary:

  • Placental leptin contributes substantially to maternal leptin levels, and fetal leptin concentrations correlate with birth weight.
  • Increased placental leptin production is observed in conditions like preeclampsia and type 1 diabetes.

Related Experiment Videos

  • Estrogens, hypoxia, and insulin are potential regulators of placental leptin synthesis.

    • Impact:

    • Maternal leptin may serve as an energy balance sensor during pregnancy.
    • Leptin and its receptors in the placenta suggest autocrine or endocrine functions.
    • The precise roles of fetal leptin and the consequences of altered placental leptin in pathological pregnancies require further investigation.