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Integrin β-3 is required for the attachment, retention and therapeutic benefits of human cardiospheres in myocardial infarction.

Integrin β-3 is required for the attachment, retention and therapeutic benefits of human cardiospheres in myocardial infarction.
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Liu S, Jiang Z, Qiao L, Guo B, Xiao W, Zhang X, Chang L, Li Y,


Liu S, Jiang Z, Qiao L, Guo B, Xiao W, Zhang X, Chang L, Li Y, (click to view)

Liu S, Jiang Z, Qiao L, Guo B, Xiao W, Zhang X, Chang L, Li Y,

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Journal of cellular and molecular medicine 2017 10 11() doi 10.1111/jcmm.13325
Abstract

Cardiovascular diseases remain the leading causes of death worldwide. Stem cell therapy offers a promising option to regenerate injured myocardium. Among the various types of stem cells, cardiosphere cells represent a mixture of intrinsic heart stem cells and supporting cells. The safety and efficacy of cardiosphere cells have been demonstrated in recent clinical trials. Cell-matrix interaction plays an important role in mediating the engraftment of injected stem cells. Here, we studied the role of integrin β-3 in cardiosphere-mediated cell therapy in a mouse model of myocardial infarction. Our results indicated that inhibiting integrin β-3 reduced attachment, retention and therapeutic benefits of human cardiospheres in mice with acute myocardial infarction. This suggests integrin β-3 plays an important role in cardiosphere-mediated heart regeneration.

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