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

Protective Effects of Palmul-tang on hypoxia-induced apoptosis in H9c2 cardiomyoblast cells

Journal of Korean Medicine / Journal of Korean Medicine, (P)1010-0695; (E)2288-3339
2004, v.25 no.2, pp.67-76


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Abstract

Objectives : This study was designed to investigate the protective mechanisms of Palmul-tang on hypoxia-induced cytotoxicity in H9c2 cardiomyoblast cells. Methods : In this study, we used H9c2 cells. Cells were treated with hypoxia in the absence and presence of 1000μg/ml Palmul-tang for 24hrs. Cells were treated with various conentrations of Palmul-tang for 24hrs. Cell viability was measured by MTT assay. Hypoxia, markedly decreased the viability of H9c2 cells, which was characterized with apparent apoptotic features such as chromatin condensation as well as fragmentation of genomic DNA and nuclei. Results : Palmul-tang significantly reduced hypoxia-induced cell death and apoptotic characteristics. Also, Palmul-tang prevented the mitochondrial dysfunction including the disruption of mitochondrial membrane permeability transition (MPT) and an increase in expression of apoptogenic Bcl-2 proteins in hypoxia-H9c2 cells. Conclusions : This study suggests that the protective effects of Palmul-tang against hypoxic damages may be mediated by the modulation of Bcl-2, Bax expression.

keywords
Palmul-tang, cardiomyoblast cells, hypoxia-induced apoptosis, Palmul-tang, cardiomyoblast cells, hypoxia-induced apoptosis


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