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Co-expression of Cux-1 and PCNA in perivascular cells. Adjacent sections of the same liver isolated from CMV/Cux-1 transgenic were stained with PAS (A), labeled with antibodies directed against Cux-1 (B), and labeled with antibodies directed against PCNA (C), showing that cells ectopically expressing Cux-1 were highly proliferative. Original magnification: 200×. [Color figure can be viewed in the online issue, which is available at www.interscience.wiley.com.]
