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. 2018 Sep 22;16:32–38. doi: 10.1016/j.bbrep.2018.09.003

Fig. 4.

Fig. 4

Effects of cyclic stretch on F-actin formation and expression of contractile proteins. (A) Representative 3-D immunofluorescence images of ASM cells cultured within gels with or without cyclic stretch. Reconstructed Z-stack confocal images of collagen gel constructs stained with α-smooth muscle actin (α-SMA), F-actin, DAPI, and merged images. Arrow indicates stretch direction. Effects of cyclic stretch on mRNA expression of α-SMA (ACTA2) (B), calponin (CNN1) (C), myosin heavy chain 11 (MYH11) (D), and transgelin (TAGLN) (E). Cyclic stretch was started 24 h after tissue fabrication and then applied for 48 h. Data are mean ± SD (n = 6). *Significantly different (P < 0.05) vs. the static condition.