In vivo early intervention and the therapeutic effects of 20(S)-ginsenoside Rg3 on hypertrophic scar formation

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Abstract

? 2014 Cheng et al.Results: In vitro studies showed that Rg3 can inhibit HS fibroblasts proliferation and induce HSF apoptosis in a concentration-dependent manner. In vivo studies demonstrated that Rg3 can limit the exaggerated inflammation, and do not delay the wound healing process, which indicates that Rg3 could be used as an early intervention to reduce HS formation. Topical injection of 4 mg/mL Rg3 can reduce HS formation by 34%. Histological and molecular studies revealed that Rg3 injection inhibits fibroblasts proliferation thus reduced the accumulation of collagen fibers, and down-regulates VEGF expression in the HS tissue.Conclusion: Rg3 can be employed as an early intervention and a combining therapeutic drug to reduce inflammation and HS formation as well.Background: Intra-lesional injections of corticosteroids, interferon, and chemotherapeutic drugs are currently the most popular treatments of hypertrophic scar formation. However, these drugs can only be used after HS is formed, and not during the inflammatory phase of wound healing, which regulates the HS forming process.Objective: To investigate a new, effective, combining therapeutic and safe drug for early intervention and treatment for hypertrophic scars.Methods: Cell viability assay and flow cytometric analysis were studied in vitro. Animal studies were done to investigate the combining therapeutic effects of 20(S)-ginsenoside Rg3 (Rg3) on the inflammatory phase of wound healing and HS formation.

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Cheng, L., Sun, X., Hu, C., Jin, R., Sun, B., Shi, Y., … Zhang, Y. (2014). In vivo early intervention and the therapeutic effects of 20(S)-ginsenoside Rg3 on hypertrophic scar formation. PLoS ONE, 9(12). https://doi.org/10.1371/journal.pone.0113640

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