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Leptin受体与肥胖 被引量:14

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摘要 Leptin受体属Ⅰ类细胞因子受体家族 ,人类Leptin受体基因位于 1P31 ,由 2 0个外显子和 1 9个内含子组成 ,它主要在下丘脑中表达 ,是单跨膜受体 ,存在 4种异型体 (OB Ra Rd) ,其中只有OB Rb具有信号转导作用 ,OB Ra可能作为Leptin的结合蛋白 ,调节游离的Leptin浓度 ,或作为Leptin转运蛋白 ,使Leptin通过血脑屏障。目前认为JAK STAT途径是Leptin受体信号转导的主要途径。在db db鼠、fa fa鼠和Koletsky肥胖鼠中发现Leptin受体基因突变 ,在人类肥胖中也有
作者 陈刚 罗敏
出处 《国外医学(内分泌学分册)》 2000年第6期305-308,共4页 Foreign Medical Sciences(Section of Endocrinology)
基金 国家自然科学基金资助项目!(基金号 39770 353)
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参考文献14

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同被引文献84

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