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. 2021 May 25;11:10931. doi: 10.1038/s41598-021-90263-x

Figure 3.

Figure 3

Anti-fibrosis effects of hit compounds in phenomic-based 2D culture of hepatic stellate cells. (A) Intensity of α-SMA and F-actin in hepatic stellate cells in a 2D culture system treated with TGF-β1. Cells were treated with 2.5, 5, 10, or 20 ng/ml TGF-β1 in 2% FBS media. (B) Calculated intensity of α-SMA and F-actin when LX2 cells were treated with TGF-β1 concentration. (C) The quantitative graph of mesenchymal-related proteins (α-SMA and FAP) and ECM-related protein (collagen 1) expressions depending on treating with TGF-β1 concentration in LX2 cells. (D) Representative images of α-SMA treated 10 µM pirfenidone, 0.5 µM or 1 µM retinoic acid and forskolin with 20 ng/ml TGF-β1 for 48 h in LX2 cells. (E) Expression of EMT-related protein (N-cadherin, E-cadherin, Snail) when LX2 cells were treated with 0.5 or 1 µM of retinoic acid or forskolin with or without 20 ng/ml TGF-β1 for 48 h by western blot assay. (F) The quantitative of western blot images was analyzed. All images were obtained using the Operetta CLS system. Data are expressed as means ± SD (n = 3). *P < 0.05, **P < 0.01, and ***P < 0.001 compared to the control group, #P < 0.05, ##P < 0.01, and ###P < 0.001 compared to the TGF-β1 treatment group.