Research Article

Inhibitory Effect of Seawater Pearl Hydrolysate on UVA-Induced Photoaging of Human Skin Fibroblasts

Figure 5

(a) Effect of SPH on the expression of MMP-1 and collagen I protein detected by Western blot in HSF cells. (b) Semiquantitative analysis based on the relative density of MMP-1 and collagen I protein; data were normalized with β-actin as the internal reference. versus N group; versus UVA group; error bar = SE (n = 3).
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