期刊
NUTRIENTS
卷 14, 期 24, 页码 -出版社
MDPI
DOI: 10.3390/nu14245224
关键词
enteral; infant; Holder pasteurization; leptin; premature; obesity
资金
- University of Iowa
Preterm infants with perinatal leptin deficiency may experience reduced blood leptin levels when transitioning from maternal milk, which contains higher levels of leptin, to donor human milk.
Perinatal leptin deficiency and reduced intake of mother's milk may contribute to the development of childhood obesity. Preterm infants have reduced leptin production, and they are at heightened risk of neonatal leptin deficiency. Because fresh human milk contains significantly more leptin than donor milk, we used a cross-over design to determine if blood leptin levels in maternal milk-fed preterm infants fall during conversion to donor human milk. Infants born between 22 0/7 and 31 6/7 weeks gestation on exclusive maternal milk feedings were enrolled into a 21-day cross-over trial. On days 1-7 and 15-21, infants were fed maternal milk, and on days 8-14, infants were fed donor milk. On day 1, study infants had a mean postmenstrual age of 33 weeks. Plasma leptin correlated with milk leptin, and leptin levels in maternal milk far exceed the leptin levels of donor milk. Plasma leptin did not increase during donor milk administration, but it did following resumption of maternal milk (p < 0.05). In this crossover trial, preterm infant blood leptin levels correlated with milk leptin content. This suggests that preterm infants can enterally absorb leptin from human milk, and leptin-rich breast milk may be a targeted therapy for the prevention of obesity.
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