Fig. 4From: The quality evaluation system establishment of mesenchymal stromal cells for cell-based therapy productsThe tumorigenicity of HUCMSCs in SCID mice. a The tumor formation was observed in the SCID mice injected with HESCs, but there was no tumor formation observed in any SCID mice in the HUCMSCs group or PBS group and H&E staining showed no infiltration of tumor cells at the cell injection site and main organs. b The karyotype of HUCMSCs is normal with 46 chromosomes (XX/XY)Back to article page