Endothelial progenitor cells were cultured in endothelial growth medium, and then platelet-derived growth factor BB (PDGF-BB) was mixed into the medium and cultured for another 4 days and 10 days.

• 方法以猪为实验动物，采集骨髓单核细胞，分离培养内皮祖细胞，然后应用血小板衍生生长因子(PDGF)BB诱导内皮祖细胞定向分化。