After 7 days of culture, immunofluorescence staining showed that vWF and VEGFR-2 expressed in induced group obviously while there was almost no CD133 expressed.

• 7天后免疫荧光检测发现诱导组细胞明显表达内皮细胞特异性标志vWF和VEGFR-2，偶有CD133表达。