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. 2022 Apr 4;10:852244. doi: 10.3389/fcell.2022.852244

FIGURE 4.

FIGURE 4

Effects of HSP27 knockdown on UVB-induced skin pathological changes in mice. (A) HSP27 mRNA level was detected by using RT-qPCR after HSP27 gene knockdown, quantified by using GAPDH as a reference. (B) Immunohistochemical marker for HSP27 results and quantification of Average Optical Density (AOD). (C) H&E staining results and quantification of epidermal average thickness. (D) Masson-trichrome staining results and quantification of collagen volume fraction. All the results were expressed as mean ± SD, and the experiment was repeated at least three times (*p < 0.05, **p < 0.01, ***p < 0.005).