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瘦素启动青春发育的研究进展 被引量:1

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摘要 瘦素 (LEP)是由脂肪细胞分泌的一种多肽激素 ,LEP作为脂肪组织和中枢神经网络联系的代谢信号参与哺乳动物青春发育启动的调节机制。研究证实青春发育前期血LEP水平升高可能是一种允许信号。LEP启动青春发育可能的机制 :(1)神经内分泌作用机制 ,其中神经肽Y、N端 原阿片黑皮素、一氧化氮可能是LEP重要的介导因子。 (2 )LEP可以部分解除吗啡对促性腺激素释放激素脉冲发生器电释放的抑制。 (3)LEP亦可能通过LEP受体直接作用于促性腺激素释放激素神经元。
作者 潘慧 邓洁英
出处 《国外医学(内分泌学分册)》 2002年第4期234-236,共3页 Foreign Medical Sciences(Section of Endocrinology)
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