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TGF-beta3: A potential biological therapy for enhancing chondrogenesis.

机译:TGF-beta3:增强软骨生成的潜在生物疗法。

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BACKGROUND: TGF-beta has been proposed to stimulate chondrogenesis through intracellular pathways involving small mothers against decapentaplegic proteins (Smads). OBJECTIVE: To examine the use of exogenous TGF-beta3 to promote new hyaline cartilage formation. METHODS: An overview of in vitro and in vivo evidence on the effects of TGF-beta3 on cartilage regeneration. RESULTS/CONCLUSION: There is robust in vitro evidence suggesting a positive dose- and time-dependent effect of TGF-beta3 on anabolic chondrogenic gene markers such as alpha1-collagen type II and cartilage oligomeric matrix protein in human mesenchymal stem cells. TGF-beta3 cultured with silk elastin-like polymer scaffold carrier exhibits significantly increased glycosaminoglycan and collagen content. In vivo data showed that TGF-beta3 cultured with ovine mesenchymal stem cells in a chitosan scaffold stimulated the growth of hyaline cartilage that was fully integrated into host cartilage tissue of sheep. We highlight the potential for the clinical enhancement of cartilage formation through the use of TGF-beta3 with a suitable dose and scaffold carrier.
机译:背景:已经提出了TGF-β通过涉及小母亲对抗去碳酸胆碱能蛋白(Smads)的细胞内途径刺激软骨形成。目的:研究利用外源性TGF-β3促进新的透明软骨形成。方法:概述了TGF-β3对软骨再生的影响的体内外证据。结果/结论:有强有力的体外证据表明,TGF-β3对人间充质干细胞中合成代谢软骨生成基因标志物(如α1-胶原II型和软骨寡聚基质蛋白)具有剂量和时间依赖性正效应。用丝弹性蛋白样聚合物支架载体培养的TGF-β3表现出显着增加的糖胺聚糖和胶原蛋白含量。体内数据显示,在壳聚糖支架中与绵羊间充质干细胞一起培养的TGF-β3刺激了完全整合到绵羊宿主软骨组织中的透明软骨的生长。我们强调了通过使用具有适当剂量和支架载体的TGF-beta3来增强软骨形成的临床潜力。

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