乳汁中的瘦素

Leptin in milk

母乳喂养的婴儿能够很好的调节母乳的摄入量,不易肥胖,这引起了人们的广泛兴趣。瘦素是脂肪组织分泌的一种可以抑制食欲、调节能量代谢的肽类激素。目前在人及各种动物乳中已检测到瘦素的存在。论述了各种乳中瘦素的质量浓度、瘦素的来源、瘦素在乳中的存在方式及乳中瘦素的生理效应。

It arouses great interest of scientists and businessman that breast-fed infants are leaner and also protected from becoming obese when older. Leptin, present in breast milk, is the prime signaling protein for multiple organ sites concerning global body energy stores. This brings the question that whether the leptin existing in milk accounts for the leaner infants. This article reviews the leptin concentation, the source of leptin in milk, how leptin exists in milk and it＇s bio-effective function.