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Kinetics of MMP13 and VEGF protein expression in surface transplants. (A and B) Immunofluorescent staining against MMP13 (red, A), VEGF (red, B), CD31 (green) and pan-keratin (blue) of cryosections from surface transplants of Mmp13+/+ and Mmp13−/− animals, bar 200 μm in A (2nd panel 100 μm), 100 μm in B; T, tumour; S, stroma.
