Fig. 1From: C/EBP homologous protein promotes Sonic Hedgehog secretion from type II alveolar epithelial cells and activates Hedgehog signaling pathway of fibroblast in pulmonary fibrosisDetection of CHOP and Shh in AECII in normal and IPF lung tissue. A Representative immunofluorescence images on paraffin section by dual staining for pro-SPC (green) and CHOP (red) of normal (n = 6) and IPF (n = 6) lung tissue. Arrows indicate CHOP positive AECII. B Representative immunofluorescence images on paraffin section by dual staining for pro-SPC (green) and Shh (red) of normal (n = 6) and IPF (n = 6) lung tissue. Bar = 20 μmBack to article page