Fig. 2From: Irradiated mesenchymal stem cells support stemness maintenance of hepatocellular carcinoma stem cells through Wnt/β-catenin signaling pathwayIR-MSCs promoted stemness maintenance of CD133 positive cells. Colony formation and tumorigenesis ability in vivo of CSCs isolated from Huh7 and PLC after co-cultured with MSCs and IR-MSCs. a Colony formation of CD133+ Huh7 and CD133+ PLC. b Quantification of panel a. c Tumorigenesis of CD133+ Huh7 and CD133+ PLC in nude mice. c–e Tumor volume and tumor weight were measured. IR-MSCs, irradiated MSCsBack to article page