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Plasticity of human adipose stem cells toward endothelial cells and cardiomyocytes

Abstract

Recent preclinical and clinical studies have suggested that adult stem cells have the ability to promote the retention or restoration of cardiac function in acute and chronic ischemia. Published clinical studies have used autologous donor cells, including skeletal muscle myoblasts, cultured peripheral blood cells, or bone marrow cells. However, our research and that of others indicates that human adipose tissue is an alternative source of cells with potential for cardiac cell therapy. These findings include the presence of cells within adipose tissue that can differentiate into cells expressing a cardiomyocytic or endothelial phenotype, as well as angiogenic and antiapoptotic growth factors. This potential is supported by preclinical studies in large animals.

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Figure 1: CD105/endoglin immunostaining of colonies formed after plating 1,000 freshly isolated human adipose-derived cells
Figure 2: Expression of myosin heavy chain by LacZ-positive donor-derived cells

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Correspondence to John K Fraser.

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All authors are employees of Cytori Therapeutics Inc. a for-profit entity engaged in regenerative medicine. JK Fraser and MH Hedrick are also shareholders in Cytori Therapeutics Inc.

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Fraser, J., Schreiber, R., Strem, B. et al. Plasticity of human adipose stem cells toward endothelial cells and cardiomyocytes. Nat Rev Cardiol 3 (Suppl 1), S33–S37 (2006). https://doi.org/10.1038/ncpcardio0444

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