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Induction of Osteogenic Differentiation in Human Mesenchymal Stem Cells by Crosstalk with Osteoblasts

机译:与成骨细胞的串扰诱导人间充质干细胞成骨分化

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Natural bone healing following fractures is initiated by osteoblasts (OBs) and mesenchymal stem cells (MSCs), a cell combination with possible potential in tissue engineering techniques for bony defects. The aim of the study was to investigate MSC/OB-crosstalk, in order to determine optimal cell culture conditions for osteogenic differentiation. Human OBs and MSCs interactions were investigated in an in vitro trans-well co-culture study over a time period of 28 days. Calcification was determined by optical density (OD) at 450?nm and Alizarin red staining. Messenger RNA expression was assessed by quantitative PCR. Osteogenic medium containing 1% fetal bovine serum resulted in superior levels of calcification in MSCs in co-culture with OBs compared to 2% or 5% fetal bovine serum ( p p p.
机译:骨折后的自然骨愈合是由成骨细胞(OBs)和间充质干细胞(MSCs)启动的,这种细胞组合在组织工程技术中可能具有治疗骨缺损的潜力。该研究的目的是研究MSC / OB串扰,以确定用于成骨分化的最佳细胞培养条件。在28天的体外跨孔共培养研究中,研究了人的OB和MSC的相互作用。通过450nm处的光密度(OD)和茜素红染色确定钙化。通过定量PCR评估信使RNA的表达。与2%或5%胎牛血清相比,含有1%胎牛血清的成骨培养基在与OBs共培养的MSC中钙化水平更高(p p p。

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