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Mesenchymal stem cell response to temporal growth factor delivery during chondrogenesis

机译:软骨形成过程中间充质干细胞对时间生长因子传递的反应

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The objective of this study is to induce chondrogensis in primary bovine mesenchymal stem cells (MSCs), and determine the effects of insulin-like growth factor 1 (IGF-1) delivery on the resulting chondrocyte population. Chondrogenesis was initiated by TGF-β3 delivery over 8 days, and IGF-1 was delivered from days 9 through 13. Gene expression of chondrogenic markers (sox9, type II collagen, and aggrecan) was quantified throughout the culture period to determine differentiation potential based on temporal growth factor delivery. Results indicate that TGF-β3 treatment followed by IGF-1 treatment is effective for upregulating chondrogenic markers in MSCs.
机译:这项研究的目的是在原代牛间充质干细胞(MSCs)中诱导软骨素,并确定胰岛素样生长因子1(IGF-1)传递对所得软骨细胞群体的影响。通过8天的TGF-β3递送开始软骨生成,从9天到13天递送IGF-1。在整个培养期间对软骨生成标记(sox9,II型胶原蛋白和聚集蛋白聚糖)的基因表达进行定量,以确定分化潜能。关于时间生长因子的传递。结果表明,TGF-β3处理和IGF-1处理可有效上调MSC中的软骨生成标记。

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