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Position: Home > Articles > Expression of LC3 Gene in Cell Autophagy Hubei Agricultural Sciences 2015,54 (20) 4932-4936

LC3基因在细胞自噬过程中的表达研究

作  者:
倪志华;张玉明;邓传怀;赵泽;张瑞英;周艳芬
单  位:
河北大学生命科学学院
关键词:
自噬;LC3;神经退行性疾病;免疫应答
摘  要:
自噬是细胞为维持自身代谢发生的胞质组分降解的动态过程。自噬不仅是细胞在饥饿环境下的一种适应性反应,而且对于组织和细胞维持动态平衡十分重要。细胞自噬出现问题往往会导致多种疾病。自噬相关基因被命名为Atg(Autophagy-related gene),LC3(Microtubule-associated protein 1 light chain3)是哺乳动物中了解的最透彻的一个Atg同源蛋白。LC3蛋白在细胞中存在两种剪切形式,即LC3-Ⅰ和LC3-Ⅱ,定位于自噬体膜的LC3-Ⅱ是自噬的标志性分子。详细论述自噬过程和LC3在自噬过程中的表达修饰过程,并进一步讨论自噬在神经退行性疾病和微生物感染中的生物学功能。
译  名:
Expression of LC3 Gene in Cell Autophagy
作  者:
NI Zhi-hua;ZHANG Yu-ming;DENG Chuan-huai;ZHAO Ze;ZHANG Rui-ying;ZHOU Yan-fen;College of Life Sciences,Hebei University;Research Center of Bioengineering of Hebei Province;
关键词:
autophagy;;LC3;;neurodegenerative disease;;immune response
摘  要:
Autophagy is a dynamic process for degradation of cytosolic components in cell, aiming to maintain cell's metabolic balance. Autophagy is an adaptive reaction of nutrient deficiency. Moreover, autophagy is very important for tissue and cell to keep dynamic metabolic balance. Disturbance of autophagy could trigger various diseases. Usually, autophagy-related gene is named as Atg. Microtuble associated protein lightchain 3(LC3), a mammalian homolog of yeast Atg8, has been extensively reported. In cell,LC3 proteins are presented in two forms(LC3-Ⅰand LC3-Ⅱ). LC3-Ⅱ, locating on autophosome membrane, is usually used as a specific marker to monitor autophagy. In this review, the process of autophagy and the function of LC3 were involved. Moreover, the biological function of autophagy in neurodegenerative disease and immune response were also discussed intensively.

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