TGF-beta/Smad

 

Hedgehog, Igf and Tgf signaling are required for myocardial regeneration in zebrafish. (C) Quantification of the effects of CyA (10 uM), NVP AEW541 (2 uM) and SB-431542 (10 uM) on cardiomyocyte proliferation after resection injury. Fish were treated from 6 to 7 dpa. (D) Quantification of the effects of CyA, NVP AEW541 and SB-431542 on proliferation after genetic cardiomyocyte ablation.

The small molecule BMP inhibitor LDN-193189 can partially block the increased BMP signaling in Jab1flox/flox, Col2a1-Cre mutants in a dose-dependent manner. Primary chondrocytes were cultured in DMEM medium containing 10% FBS and indicated amounts of LDN-193189 for 24 hours before being subjected to immunoblotting.

Treatment of HLE and HLF cells with TGFβRI inhibitor LY2157299 led to dose-dependent loss of GLI2 levels.

C, Western blot analysis of serum cultured GB2 cells treated with each 20 μm inhibitor. The representative Western blot is shown for each protein and the bar charts represent the quantified values (mean ± s.d.) of three replicates. The fold changes were normalized by the relative densities regarding α-Tubulin.

Immunoprecipitation and immunoblotting of wild-type cells treated as indicated (n = 3 experiments). i=TGFβR inhibitor:SB525334.

(D): Fluorescence micrographs of SOX2/FOXA2 double-staining of the conditions mentioned above. The TGF-b inhibitor SB-505124 (1 mM) was additionally used together with the complete medium. Nuclei were counterstained with DAPI. Original magnification 310 or 340. Abbreviations: DAPI, 40,6-diamidino-2-phenylindole; RA, retinoic acid.

(E, F) Western Blot analysis of phLF isolated from (E) IPF patients or (F) donors treated for 48h with increasing concentrations of nintedanib (0.01, 0.1, 1 μM) or pirfenidone (100, 500, 1000 μM) in absence or presence of TGF-β1 (2 ng/mL). Densitometric analysis and representative blots show the effect of nintedanib and pirfenidone on collagen I (Col I) protein expression relative to β-actin as loading control (ACTB). Data are based on 8 (IPF) or 3 (donor) completely independent experiments and are given as mean ± SEM. Statistical significance between control and different concentrations of nintedanib or pirfenidone is indicated by horizontal brackets and asterisks.

Combination treatment with GW788388 and IL-23 aiming to sustain Th17 cell levels increases spleen cell production of the inflammatory mediators IL-17 and TNF-a, the stimulatory mediators IL-2, IFN-g and RANTES, and the inhibitory mediator IL-10. Starting from Week 6 of 4NQO administration, when premalignant oral lesions were detectable on the tongue, mice were initiated on treatment with diluent, GW788388, IL-23 or both GW788388 and IL-23. After 2 months of these treatments, spleens were collected and cultured on anti-CD3 for 3 days. Supernatants were collected and used for measurement of the inflammatory mediators IL-17, TNF-a and IL-6 (a); stimulatory mediators IL-2, IFN-g and RANTES (b); and inhibitory mediators, TGF-b, IL-4 and IL-10 (c). *=p<0.05, **=p<0.01, ***=p<0.001.

The cytoplasmic and nuclear proteins were separated and the protein expression levels were determined by performing western blotting. LY364947 (1 uM), which is a potent ATP-competitive inhibitor of TGF-βRI, was used as the positive control. GAPDH and PARP were used as cytosolic and nuclear markers, respectively.

(C) Generation of pluripotent stem cell from Yamanaka factors-induced OG2-MEFs under treatment of diverse chemical compounds. Images of GFP+ colonies were taken on day 10 post-infection. VPA, 0.5 mmol/L. CHIR99021, 3 μmol/L. Repsox, 1 μmol/L. (D) Quantification of GFP+ colonies in (C). All figures are representative of three independent experiments (n = 3). All data are presented as mean ± SD. *P < 0.05, **P < 0.01 vs. DMSO

LDN induces signifiant cell death. OVCA429 cells were treated with vehicle (DMSO) or experimental drugs for 6 hr to capture different stages of cell death. OVCA429 cell viability was assessed in response to drug treatment for 6 hr by staining with AO (green) and EB (orange). For clarity the different fluorescent channels to detect AO, EB, and the over-lapping images are shown for 10 mM LDN treatment.

A549 cells were transfected with miR-205 inhibitor (IHT-205, 100 nM). Forty hours after transfection, the cells were seeded on transwell plates and treated with or without inhibitor K02288 (10 nM), AG1478 (1 µM), SB431542 (10 µM) for 10 hours. Migrated cells were quantified. All data are shown as mean± SD. N =3. All experiments have been repeated at least 3times independently.

Cultured cardiac fibroblasts infected with vector lentiviruses or EphrinB2 overexpressing lentiviruses were stimulated with specific antagonist against Stat3 (Stattic, 2.5μM) and/or Smad3 (SIS3, 1μM), respectively. The expression level of α-SMA was quantified via western blotting. In vitro experiments repeat 3 times, *P<0.05, **P<0.01.

Representative immunofluorescent images of HuL6 cells treated with EW-7197, TGF-β1, both, or neither for 72 h. Scale bars, 20 μm.

The combined treatment with miR-140-5p mimics and some common chemotherapeutics did not have any effect on the SK-MES1 cell line, whereas miR-140-5p and DMH1 and cisplatin decreased the proliferation of the A549 cells. Data are presented as mean±SEM of three individual experiments undertaken in triplicate. t-Test was used to assess significance with *p<0.05.

Colon cancer cell lines (A) SW620, (B) HCT116, and (C) HT29 were treated with different concentrations (60, 12, 2.4, 0.48, and 0.098 μM) of nifuroxazide (nifu), niclosamide (nicl), cryptotanshinone (cry), and a lantolactone (ala), respectively, for 72 h. Cell proliferation in each group was detected by MTT assay. (D) HCT116, SW620, and HT29 cell lines were suppressed with niclosamide treatment at different concentrations (20, 10, 5, 2.5, and 1.25 μM) for 72 h. Subsequently, cell proliferation in each group was detected by MTT assay. The data were obtained from 3 independent experiments.