表观遗传修饰在骨骼肌细胞增殖分化过程中的研究进展

doi:10.16431/j.cnki.1671-7236.2020.10.031

摘要/Abstract

摘要： 骨骼肌是肌肉的主要构成部分，骨骼肌细胞发生增殖和分化的过程都是肌肉发育的基础，直接影响着家养动物的产肉性能。研究发现表观遗传修饰作用对骨骼肌细胞增殖分化具有重要的调控作用，表明该遗传修饰作用对家养动物肌肉发育具有重大的意义。作者从DNA甲基化对骨骼肌细胞增殖分化影响、组蛋白乙酰化所含因子调控基因选择表达作用、非编码RNA调控和染色体重塑作用所起的影响等方面分别介绍了表观遗传在骨骼肌细胞增殖分化过程中的研究进展，简述了不同修饰方式和不同作用因子对骨骼肌增殖和分化两个过程的影响。同时也回顾了前人在研究骨骼肌增殖分化过程所用到的方法和手段，进而分析了表观调控作用因子在骨骼肌生长过程中所起到的作用。旨在进一步阐述表观遗传修饰在骨骼肌增殖和分化过程中所起到的重要作用，增强对骨骼肌增殖分化调控过程的了解，为和动物生产实际相结合提供参考途径，同时也为骨骼肌生长发育等分子调控提供更多参考素材。

关键词: 表观遗传修饰; 骨骼肌; 增殖; 分化

Abstract: Skeletal muscle is the most abundant tissue and the main component of muscle in animals.The process of skeletal muscle cell's proliferation and differentiation is the basis of muscle development and it's directly affects the meat production performance of domestic animals.It has been found that epigenetic modification plays an important role in regulating the proliferation and differentiation of skeletal muscle cells.In this study,the effects of epigenetics on skeletal muscle in terms of the effects of DNA methylation on the proliferation and differentiation of skeletal muscle cells,the selection and expression of factors regulated by histone acetylation,the regulation of non-coding RNA,and the effects of chromosome remodeling.Research progress in the process of muscle cell proliferation and differentiation,briefly describes the effects of different modification methods and factors on the two processes of skeletal muscle proliferation and differentiation.At the same time,the methods and means used by predecessor in the study of skeletal muscle proliferation and differentiation were reviewed,and then the role of apparent regulatory factors in skeletal muscle growth was analyzed.The purpose was to further explain the important role of epigenetic modification in the proliferation and differentiation of skeletal muscle,enhanced the understanding of the regulation of skeletal muscle proliferation and differentiation,provided a reference path for integration with animal production,and also provided skeletal muscle.Molecular regulation of such as growth and development provided more reference materials.

Key words: epigenetic modification; skeletal muscle; proliferation; differentiation

中图分类号:

S813.1

敬敬, 姚东, 凌英会. 表观遗传修饰在骨骼肌细胞增殖分化过程中的研究进展[J]. 中国畜牧兽医, 2020, 47(10): 3314-3322.

JING Jing, YAO Dong, LING Yinghui. Research Progress of Epigenetics Modification in the Process of Skeletal Muscle Cell Proliferation and Differentiation[J]. China Animal Husbandry and Veterinary Medicine, 2020, 47(10): 3314-3322.

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