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Figure 3 Sections of livers removed 72 hours after cell transplantation (group D) were stained for GFP (A, fluorescent green) and β2m (B, fluorescent red) combined with DAPI nuclear staining (C, fluorescent blue). Some smaller (presumably less differentiated) GFP positive cells stain negative for β2m (arrow) while some larger (presumably more differentiated) GFP positive cells stain positive (arrowhead) (D).
