LG-HMC의 미세먼지 유발 염증의 완화와 생체이물대사완화 효과 = Effect of LG Herbal Medicine Complex (LG-HMC) on Diesel Particulate Matter (DPM) Induced Skin Inflammation and Xenobiotic Response Activity In Vitro

다국어 초록 (Multilingual Abstract)

Diesel particulate matter (DPM) induces inflammatory cytokines in HaCaT and stimulates XRE promoter activity through AhR binding. Thus, it increases CYP gene family expression. In this study, we have elucidated inhibitory effect of LG Herbal Medicine Complex (LG-HMC) on DPM-induced XRE promoter activity and inflammatory cytokine expression. First of all, the XRE promoter activity was overexpressed by DPM treatment and the LG-HMC abrogated the XRE promoter activity. Morus alba bark extract, Scutellaria baicalensis root extract and constituents of LG-HMC, were found to be main effecters against DPM induced XRE promoter activation. We also found that DPM treatment elevated inflammatory cytokines in HaCaT and the treatment of LG-HMC, Morus alba bark extract and Scutellaria baicalensis root extract down-regulated the DPM induced inflammatory cytokine expression. Additionally, Morus alba bark extract and Scutellaria baicalensis root extract were found to act as free radical scavengers. In conclusion, we confirmed skin protective effect of LG-HMC and uncovered two components, Morus alba bark extract and Scutellaria baicalensis root extract, that play major role in protecting epidermal kertinocytes from damage.

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