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NCS-1通过磷脂酰肌醇4-激酶依赖的途径抑制3T3L1脂肪细胞中胰岛素刺激的GLUT4转位

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摘要 3T3L1脂肪细胞中NCS—1(神经元钙离子感受蛋白-1,也叫做frequenin)的表达明显地抑稍胰岛素刺激的GLUT4(一种葡萄糖转运蛋白)转位。NCS-1效应物磷脂酰肌醇4-激酶(PI4-kinase)抑制胰岛素刺激的GLUT4的转位,而转染没有活性的磷脂酰肌醇4-激酶突变体对NCS-1有相反的作用。这些数据说明磷脂酰肌醇4-激酶突变体对NCS—1有相反的作用,表明磷脂酰肌醇4-激酶通过与NCS—1相互作用对GLUT4的转位起负调节作用。
作者 刘卫霞
机构地区 山东协和学院
出处 《医学检验与临床》 2012年第4期79-80,共2页 Medical Laboratory Science and Clinics
基金 本论文经费援助来源于山东省高等科技计划项目J11LF80(题目:NCS-1促使Kv4.2蛋白向质膜转运机制的研究)
关键词 NCS-1 PI4KS GLUT4 转运
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参考文献7

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