Transplanted bone marrow stromal cells are not cellular origin of hepatocellular carcinomas in a mouse model of carcinogenesis

Figure 2 Histopathological analysis of the tumors in the liver serial sections of recipient mice after 6 mo of DEN treatment (× 400). A: HCC nodules development at 6 mo stained with haematoxylineosin; B: HCC expressing GST-P appeared as red fluorescence by immunofluorescence; C: HCC expressing α-fetoprotein appeared as green fluorescence by immunofluorescence; D: HCC was negative for cytokeratin 19 by immunofluorescence.