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Contraction behavior of cell-seeded collagen gels for different treatment groups. The mean decay time constant was significantly higher in gels seeded with CTS patient cells than in gels seeded with normal control cells. Moreover, TGF-β1 significantly enhanced those results. (C, control group; P, patient group; C + TGF, control group with TGF-β1 treatment; P + TGF, patient group with TGF-β1 treatment). Bars represent standard deviation, SD.
