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- W2992938478 abstract "Abstract The stem cell niche has a strong influence in the differentiation potential of human pluripotent stem cells with integrins playing a major role in communicating cells with the extracellular environment. However, it is not well understood how interactions between integrins and the extracellular matrix are involved in cardiac stem cell differentiation. To evaluate this, we performed a profile of integrins expression in two stages of cardiac differentiation: mesodermal progenitors and cardiomyocytes. We found an active regulation of the expression of different integrins during cardiac differentiation. In particular, integrin α 5 subunit showed an increased expression in mesodermal progenitors, and a significant downregulation in cardiomyocytes. To analyze the effect of α 5 subunit, we modified its expression by using a CRISPRi technique. After its downregulation, a significant impairment in the process of epithelial-to-mesenchymal transition was seen. Early mesoderm development was significantly affected due to a downregulation of key genes such as T Brachyury and TBX6. Furthermore, we observed that repression of integrin α 5 during early stages led to a reduction in cardiomyocyte differentiation and impaired contractility. In summary, our results showed the link between changes in cell identity with the regulation of integrin α 5 expression through the alteration of early stages of mesoderm commitment." @default.
- W2992938478 created "2019-12-13" @default.
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- W2992938478 date "2019-12-02" @default.
- W2992938478 modified "2023-10-17" @default.
- W2992938478 title "Integrin alpha-5 subunit is critical for the early stages of human pluripotent stem cell cardiac differentiation" @default.
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- W2992938478 doi "https://doi.org/10.1038/s41598-019-54352-2" @default.
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