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Transcript levels for cells grown on collagen substrates as a function of time. (A) Collagen (Col-1), (B) matrix metalloproteinase-1 (MMP-1), (C) matrix metalloproteinase-2 (MMP-2), (D) tissue inhibitor of matrix metalloproteinase-1 (TIMP-1), (E) tissue Inhibitor of matrix metalloproteinase-2 (TIMP-2), (F) heat shock protein-70 (HSP-70).
