Fig. 6: Sulforaphane inhibits the abnromal expression of Numb induced by TGF-β1.

a Dual immunofluorescence in RLE-6TN cells for Numb (green) and nuclei (blue) was visualized by DAPI staining. Scale bars represent 100 μm. b Dual immunofluorescence in RLE-6TN cells for Numb (orange) and nuclei (blue) was visualized by DAPI staining. Scale bars represent 100 μm