Research Article

Inhibitory Effect of Ursolic Acid on Ultraviolet B Radiation-Induced Oxidative Stress and Proinflammatory Response-Mediated Senescence in Human Skin Dermal Fibroblasts

Figure 10

(a, b) Real time-polymerase chain reaction and western blot assays to detect MMP-2 and MMP-9 mRNA and protein expression in HDF cells treated with UA, UVB radiation, and UA+UVB radiation. The graph represents the quantification results normalized to GAPDH and β-actin levels. Data represent the of three individual experiments. Significantly different from control cells (). Significantly different from control cells ().
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