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GFP and MMP-7 expression in cultured fibroblasts. Phase contrast images of 7ko (A), 7ko-vector (B), and 7ko-MMP-7 knock-in fibroblasts (C). No GFP expression was observed in 7ko fibroblasts (E). Confocal images of 7ko-vector (F) and 7ko-MMP-7 (knock-in) fibroblasts [(G) and (H)]. There was detectable MMP-7 immunostaining in 7ko-MMP-7 knock-in fibroblasts (D).
