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Quantitatively analyzing the protective effect of mesenchymal stem cells on cardiomyocytes in single-cell biochips

机译:定量分析单细胞生物芯片中白细胞干细胞对心肌细胞的保护作用

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摘要

To understand how stem cells benefit native cardiomyocytes is crucial for cell-based therapies to rescue cardiomyocytes (CMCs) damaged during heart infarction and other cardiac diseases. However, the current conclusions on the protective effect of mesenchymal stem cells (MSCs) were obtained by analyzing the overall amount of protein and factor secretion in a conventional co-culture system. These results neglected the heterogeneity of MSC population and failed to determine the importance of cellular contact to the protective effects. To address these issues, we have constructed two biochips by microfabrication methods and laser-guided cell micropatterning technique. Using the biochips, the protective effect of MSCs on CMCs can be quantitatively analyzed at single-cell level with defined cellular contact. The role of cellular contact on protective effect can be clarified according to our statistical results.
机译:为了了解干细胞如何益于天然的心肌细胞对于拯救心脏梗死和其他心脏病在心脏梗死和其他心脏病中受损的心肌细胞(CMC)的疗法至关重要。然而,目前通过分析常规共培养系统中的蛋白质和因子分泌的总体量来获得间充质干细胞(MSCs)的保护作用。这些结果忽略了MSC种群的异质性,并且未能确定细胞接触与保护作用的重要性。为了解决这些问题,我们通过微型制备方法和激光引导的细胞微型仪技术构建了两种生物芯片。使用Biochips,可以在具有限定细胞接触的单细胞水平下定量分析MSCs对CMC的保护作用。可以根据我们的统计结果澄清细胞接触对保护效果的作用。

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