心肌葡萄糖转运体与心脏疾病

被引:3
作者
赵珂
罗勇
机构
[1] 川北医学院附属医院心血管内科
关键词
心肌细胞; 葡萄糖转运; 葡萄糖转运体; 能量代谢;
D O I
暂无
中图分类号
R541 [心脏疾病];
学科分类号
1002 ; 100201 ;
摘要
葡萄糖转运体(GLUTs)是细胞膜上的一种跨膜糖蛋白,负责将葡萄糖分子从高浓度向低浓度运载过细胞膜。人类心肌高表达GLUT1和4,并一直被认为主要负责心肌葡萄糖的摄取及转运,此外,GLUT3、5、8、10、11、12在心肌中也有不同程度的表达。心脏在病理状态下出现的心肌细胞能量底物利用的转变、代谢途径的改变、线粒体功能的失调以及高能磷酸盐代谢异常等现象是心脏疾病发生、发展的重要因素。因此,心脏疾病从根本上讲是一种能量代谢性疾病。GLUTs作为与糖代谢密切相关的跨膜糖蛋白,可能参与了心肌肥厚、缺血性心脏病、心律失常等多种心脏疾病,并在心力衰竭的发生、发展中具有不可忽视的重要作用。
引用
收藏
页码:220 / 223
页数:4
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