Research Article

Ixora parviflora Protects against UVB-Induced Photoaging by Inhibiting the Expression of MMPs, MAP Kinases, and COX-2 and by Promoting Type I Procollagen Synthesis

Figure 5

Effect of Ixora parviflora extract on the UV-induced Smad 3 and Smad 7 expression in human fibroblasts. ( ; significant difference versus control (non-UV-exposed): . Significant inhibition versus UV-exposed group: . EGCG: (−)-epigallocatechin gallate.).
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