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  • P-ISSN 1010-0695
  • E-ISSN 2288-3339

Protective Effects of Maekmundong-tang on Elastase-induced Lung Injury

Journal of Korean Medicine / Journal of Korean Medicine, (P)1010-0695; (E)2288-3339
2011, v.32 no.2, pp.63-78





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Abstract

Objective: This study aimed to evaluate the protective effects of Maekmundong-tang (MMDT) on an elastase-induced COPD model. Materials and Methods: The extract of MMDT was treated to A549 cells and elastase-induced COPD mice model. Then, various parameters such as cell-based cytoprotective activity and histopathological findings were analyzed. Results: MMDT showed a protective effect on elastase-induced cytotoxicity in A549 cells. This effect was correlated with analysis for caspase 3 levels, collagen and elastin contents, protein level of Cdk1, and gene expression of TNF-αand IL-1β in A549 cells. MMDT treatment also revealed a protective effect on the elastase-induced COPD mice model. This effect was evidenced via histopathological finding including immunofluorescence stains against elastin,collagen, and caspase 3, and protein level of Cdc2 in lung tissue. Conclusion: These data suggest that MMDT has pharmaceutical properties on COPD. This study can provide scientific evidence for the efficacy of MMDT for clinical application to patients with COPD.

keywords
Maekmundong-tang (Maimendong-tang), chronic obstructive pulmonary disease, A549 cell, elastase


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