(a) Immunofluorescence analysis of the effect of LT 0.5 µg/mL or the ROCK-inhibitor Y-27632 25 nM for 24 h on pHTMC. pHTMC were treated for 48 h with TMCM only (Vehicle) or with TGF-β2 5 ng/mL or with 24 h of TGF-β2 5 ng/mL followed by 24 h of TGF-β2 5 ng/mL along with LT 0.5 µg/mL or Y-27632 25 nM. Nuclei are stained with DAPI (blue). The green staining corresponds to the antibodies indicated. Scale bar = 30 µm. This figure shows the major effect of LT on the density of ECM with no effect on the cytoskeleton itself. The ROCKi modified both the cytoskeleton and the ECM relaxation. (b) Quantification, with Arrayscan, of the total positive labeling area related to the number of cells (µm2) in fold-change (mean ± SEM). * p < 0.05, ** p < 0.01, *** p < 0.001, **** p < 0.0001.