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  • Title: Increased leptin concentration in preterm infants of pre-eclamptic mothers.
    Author: Hytinantti T, Koistinen HA, Koivisto VA, Karonen SL, Rutanen EM, Andersson S.
    Journal: Arch Dis Child Fetal Neonatal Ed; 2000 Jul; 83(1):F13-6. PubMed ID: 10873164.
    Abstract:
    AIM: To study the effect of maternal pre-eclampsia on cord plasma leptin concentrations in preterm infants. METHODS: Leptin concentration was analysed in cord plasma of 74 preterm infants, gestational age 24 to 32 weeks. Of these, 14 were born to pre-eclamptic mothers, in 10 intrauterine growth retardation (IUGR) was present, and 59 had been exposed antenatally to corticosteroids. RESULTS: The mean (SD) concentration of cord plasma leptin was 1.31 (0.88) microg/l. A significant correlation was found between leptin concentration and gestational age (r = 0.336; p = 0.0037). Leptin levels were higher in infants of pre-eclamptic mothers (p = 0.0007), in those with IUGR (p = 0.0005), and in infants exposed antenatally to corticosteroids (p = 0.02). In multiple regression analysis, leptin was associated with gestational age and maternal pre-eclampsia (both p < 0.05), but not with antenatal corticosteroids. CONCLUSIONS: Increased fetal leptin in maternal pre-eclampsia may reflect a physiological adaptation to fetal stress such as hypoxia.
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