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首页> 外文期刊>Journal of biomedical materials research. Part B, Applied biomaterials. >Microenvironment influences vascular differentiation of murine cardiovascular progenitor cells
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Microenvironment influences vascular differentiation of murine cardiovascular progenitor cells

机译:微环境影响小鼠心血管祖细胞的血管分化

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We examined the effects of the microenvironment on vascular differentiation of murine cardiovascular progenitor cells (CPCs). We isolated CPCs and seeded them in culture exposed to the various extracellular matrix (ECM) proteins in both two-dimensional (2D) and 3D culture systems. To better understand the contribution of the microenvironment to vascular differentiation, we analyzed endothelial and smooth muscle cell differentiation at both day 7 and day 14. We found that laminin and vitronectin enhanced vascular endothelial cell differentiation while fibronectin enhanced vascular smooth muscle cell differentiation. We also observed that the effects of the 3D electrospun scaffolds were delayed and not noticeable until the later time point (day 14), which may be due to the amount of time necessary for the cells to migrate to the interior of the scaffold. The study characterized the contributions of both ECM proteins and the addition of a 3D culture system to continued vascular differentiation. Additionally, we demonstrated the capability bioengineer a CPC-derived vascular graft. (C) 2014 Wiley Periodicals, Inc.
机译:我们检查了微环境对小鼠心血管祖细胞(CPC)的血管分化的影响。我们分离了CPC,并将其播种到暴露于二维(2D)和3D培养系统中各种细胞外基质(ECM)蛋白的培养物中。为了更好地了解微环境对血管分化的贡献,我们在第7天和第14天分析了内皮和平滑肌细胞的分化。我们发现层粘连蛋白和玻连蛋白增强了血管内皮细胞的分化,而纤连蛋白则增强了血管平滑肌细胞的分化。我们还观察到3D电纺丝支架的作用被延迟并且直到后来的时间点(第14天)才注意到,这可能是由于细胞迁移到支架内部所需的时间量所致。该研究描述了ECM蛋白和3D培养系统对持续血管分化的贡献。此外,我们展示了生物工程技术可用于CPC衍生的血管移植物。 (C)2014威利期刊公司

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