| 摘要 |
It is intended to obtain a mesenchymal stem cell in the early stage of differentiation from a pluripotent stem cell differentiated in vitro. A mesenchymal stem cell is obtainable by: a) the step of culturing pluripotent stem cells, b) the step of confirming the appearance of a cell with stroma cell-like morphology, and c) the step of selecting and separating a PDGFR alpha-positive and FLK1-negative cell.
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