Microtubule Stabilization Enhances the Chondrogenesis of Synovial Mesenchymal Stem Cells.

Microtubule Stabilization Enhances the Chondrogenesis of Synovial Mesenchymal Stem Cells.
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DOI:
10.3389/fcell.2021.748804
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发表时间:
2021
影响因子:
5.5
通讯作者:
Shi D
Shi D
中科院分区:
生物学2区
文献类型:
--
作者:
Li J;Sun Z;Lv Z;Jiang H;Liu A;Wang M;Tan G;Guo H;Sun H;Wu R;Xu X;Yan W;Jiang Q;Ikegawa S;Shi D

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骨髓间充质干细胞(Mesenchymal stem cells,MSCs)具有多向分化潜能,广泛应用于软骨和骨骼疾病的治疗。滑膜间充质干细胞(SMSCs)具有高增殖率、低免疫原性和更大的软骨分化潜能。微管(MT)在各种细胞过程中起着关键作用。MT稳定性及其相关蛋白的扰动是疾病的潜在原因。关于MT稳定在SMSCs分化和稳态中的作用知之甚少。在这项研究中,我们证明了通过多西他赛处理MT稳定对增强SMSCs的软骨分化具有显著作用。MT稳定化抑制了软骨细胞中Yes相关蛋白(雅普)的表达和初级纤毛的形成,从而驱动软骨形成。这一发现表明,MT的稳定可能是一个有前途的治疗目标的软骨再生。
Mesenchymal stem cells (MSCs) are well known for their multi-directional differentiation potential and are widely applied in cartilage and bone disease. Synovial mesenchymal stem cells (SMSCs) exhibit a high proliferation rate, low immunogenicity, and greater chondrogenic differentiation potential. Microtubule (MT) plays a key role in various cellular processes. Perturbation of MT stability and their associated proteins is an underlying cause for diseases. Little is known about the role of MT stabilization in the differentiation and homeostasis of SMSCs. In this study, we demonstrated that MT stabilization via docetaxel treatment had a significant effect on enhancing the chondrogenic differentiation of SMSCs. MT stabilization inhibited the expression of Yes-associated proteins (YAP) and the formation of primary cilia in SMSCs to drive chondrogenesis. This finding suggested that MT stabilization might be a promising therapeutic target of cartilage regeneration.
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