Fig. 4

The effect of HHT on the differentiation of fibroblasts and the expression of extracellular matrix secretion. a After different treatment, the expression of α-SMA was detected by immunofluorescence. b, c After HHT intervention, the expression of α-SMA in fibroblasts detected by western blot assay. d After HHT intervention, immunofluorescence was used to detect the expression of collagen I and III. e Western blot analysis of collagen I and III. *Compared with the control group (P < 0.05)