Advantage of fat‐derived CD73 positive cells from multiple human tissues, prospective isolated mesenchymal stromal cells
Suto, Eriko G.
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Somatic stem cells have been isolated from multiple human tissues for their potential usefulness in cell therapy. Currently, mesenchymal stromal cells (MSCs) are prepared after several passages requiring a few months of cell culture. In this study, we used a prospective isolation method of somatic stem cells from gestational or fat tissues, which were identifed using CD73 antibody. CD73-positive population from various tissues existed individually in fowcytometric pattern, especially subcutaneous fat- and amniotic-derived cells showed the highest enrichment of CD73-positive cells. Moreover, the cell populations isolated with the prospective method showed higher proliferative capacity and stem cell marker expression, compared to the cell populations which isolated through several passages of culturing whole living cells: which we named “conventional method” in this paper. Furthermore, the therapeutic potential of CD73-positive cells was evaluated in vivo using a mouse model of pulmonary fbrosis. After intranasal administration, murine CD73-positive cells reduced macrophage infltration and inhibited fbrosis development. These results suggest that further testing using CD73-positive cells may be benefcial to help establish the place in regenerative medicine use.
Link to resourcehttps://doi.org/10.1038/s41598-020-72012-8
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