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Characterization of liver tumors induced by Bmi1/RasV12. (A) Immunohistochemical staining of Ki67 and PODXL1 in non-tumor liver (NT) and tumor (T) tissues; (B) Quantitative RT-PCR analysis of genes in two wildtype liver tissues and two Bmi1/Ras liver tumors. In all cases, the expression values of the two wildtype samples were averaged, set to 1 and used to normalize liver tumor samples.
