人脉络丛内皮细胞(HCPEC)提取于人脉络丛组织，提取纯化之后立即冻存。每管含有细胞数>5×105cells/ml，此细胞通过vWF/Factor VIII 和CD31 (P-CAM)免疫荧光染色验证，经测试不含有HIV-1、HBV、HCV、支原体、细菌、酵母和真菌。细胞可以达到15倍增。

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