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Myostatin基因研究进展 被引量:1

Research Progress of Myostatin
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摘要 肌肉生长抑制素基因(M yostatin,M STN)是1997年发现的骨骼肌生长发育负调控因子,属于TGF-β家族。研究证实人的M yostatin基因由3个外显子和2个内含子组成,在骨骼肌中特异性表达。目前,该基因已分别在人、牛和猪的染色体上定位。M yostatin是肌肉生长的负性调控因子,通过抑制成肌细胞的增殖而发挥作用。M yostatin突变或缺失均可异致肌肉质量的显著增加。文章主要阐述了肌肉生长抑制素基因的结构,功能,及其定位,并对其在畜牧业及医学上的应用前景作了综合论述。 Myostatin,a new member of the TGF-β superfamily,mas found in 1997. It is specifically expressed in skeletal muscle cells. The genomie structure of human myostatin gene contains 3 exons and 2 intron. Myostatin is a negative regulator of skeletal muscle mass. The skeletal muscle of mutant animals with null or low-activity myostatin would show significantly larger diameter of more quantity of fiber,which was termed as double muscling. Myostatin is mapped to 2q33.2 in human, 2qll in cattle and 15q2.3 in pig.
出处 《畜牧兽医杂志》 2005年第6期12-14,共3页 Journal of Animal Science and Veterinary Medicine
关键词 肌肉生长抑制素 骨骼肌 双肌 myostatin skeletal muscle double muscle
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参考文献18

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共引文献52

同被引文献17

  • 1曹少先,张文伟,茆达干,管峰,杨利国.生长抑素基因疫苗质粒pcS/2SS的构建、表达及免疫[J].农业生物技术学报,2005,13(4):477-481. 被引量:22
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