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猪胰岛素样生长因子IGF-1与生长发育的相关研究进展
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摘要
胰岛素样生长因子-1(insulin-like growth factor-1,IGF-1)是一种与胰岛素原结构高度同源的多肽,调控脊椎动物机体生长的所有发展阶段,属于胰岛素样生长因子家族中的一员,具有非常复杂的生物学功能,在细胞的分化、增殖及个体的生长发育中有重要促进作用,主要介导生长激素(GH)发挥促生长作用,故也称其为生长介素C(SM-C)。本文从IGFBPS、猪IGF-1基因SNP位点、IGF-1受体、IGF-1信号通路和饲料水平方面综述其对IGF-1的影响并进一步影响猪生长发育的关系。
Insulin-like growth factor I(IGF-I) is a polypeptide that belongs to a member of the insulin-like growth factor family with structural homology to proinsulin,which regulates growth during all stages of development in vertebrates.IGF-1 also called somatomedin C(SM-C),which displays a complex interaction scheme,as the hormone has a key function in the regulation of cellular proliferation and differentiation.The paper reviews influences of IGFBPS,SNPs of porcine IGF-I gene,IGF-I receptor,IGF-I signaling pathway and feed level on IGF-I,Morever,The correlation between porcine insulin-like growth factor IGF-I and growth.
引文
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