“…Furthermore, the originally disorganized collagen fibers become rearranged, cross-linked, and aligned along tension lines. this process is carried out by matrix metalloproteinases (MMps) which are secreted by fibroblasts, macrophages and endothelial cells (41). MMPs are endopeptidases and play an important role not only in wound healing, but also in other physiological and pathological processes such as morphogenesis, angiogenesis, tissue repair, cirrhosis, arthritis and metastasis (42).…”