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Icariin+PEG hydrogel alleviated skin fibrosis. (A) RT-PCR analysis of ColⅠ expression in three groups. (B) Protein expression level of Col Ⅰ and α-SMA as detected by western blotting on day 14 at the injured sites. Quantification of the western blotting bands compared to that of the control group. (C) RT-PCR analysis of α-SMA expression in three groups.
