摘要生长板(软骨组织)是骨骼发育、线性生长的关键,但随着青春期进展,生长板的增殖能力将不断耗竭,最终骨生长板闭合。在骨生长过程中,有多种调节因子通过不同的机制调节软骨细胞增殖、分化。其中,内分泌调节(生长激素、胰岛素样生长因子、甲状腺素、性激素、糖皮质激素等)、转录因子通过系统调节对生长板调控起重要作用。局部调节因子,如印第安刺猬蛋白及甲状旁腺素相关肽、骨形成发生蛋白、成纤维细胞生长因子等也对生长板调控起一定作用。现就影响软骨细胞增殖分化调控的机制进行概述。
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abstractsThe growth plate (cartilage tissue) is the key to bone development and linear growth.However, as the adolescence proceeds, the proliferation capacity of the growth plate will be continuously consumed, and finally the growth plate will be closed.A variety of regulatory factors control chondrocyte proliferation and differentiation through different mechanisms.Endocrine regulators (including growth hormone, insulin-like growth factor, thyroxine, sex hormone, glucocorticoid, etc.) and transcription factors play an important role in regulating the development of growth plates through systematic modulation.In addition, such local regulatory factors as Indian hedgehog protein, parathyroid hormone-related peptide, bone morphogenetic protein and fibroblast growth factor also regulate the development of the growth plate.In this paper, the regulatory mechanism for chondrocyte proliferation and differentiation was summarized.
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