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Pyruvate kinase M2 (PKM2) expression in various liver cell types. A: Representative image of PKM2 (red) with CD68 (green) or CD31 (green) in primary cells isolated from normal and carbon tetrachloride–induced fibrotic mouse liver. B: Representative images of immunofluorescence costaining of PKM2 (red) with cytokeratin 19 (CK19; green), CD68 (green), or CD31 (green) in normal and fibrotic liver tissues. Scale bars = 50 μm (A and B).
