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Park, Chan-Ny,Moon, Byung-Soon,Jeon, Seon-Bok,Kim, Nam-Song,Chung, Sang-Young,Park, Jin-Woo,Park, Rae-Kil The Physiological Society of Korean Medicine and T 2007 동의생리병리학회지 Vol.21 No.4
Sagunjatang (Sagunja), containing Radix Astragali, Radix Ginseng, Fructus Schizandrae, Radix Ophiopogonis and Radix Glycyrrhizae, has been used as a prescription for ischemic heart and brain diseases in Korean traditional medicine. This study was designed to investigate the protective mechanisms of Sagunja on $H_2O_2$-induced cytotoxicity of H9c2 cardiomyocytes. Treatment with $H_2O_2$ resulted in death of H9c2 cells, characterized by apparent apoptotic features, including the fragmentation of nucleus and increase in sub-GO/G1fraction of cell cycle. However, Sagunja markedly suppressed the apoptotic characteristics of H9c2 cells induced by $H_2O_2$ with decrease of intracellular peroxide level. In addition, Sagunja suppressed the features of mitochondrial dysfunction, including change of mitochondrial membrane potential, in $H_2O_2$- treated cells. Additionally, Sagunja induced the expression of HO-1 protein in both time-and dose-dependent manner. The role of HO-1 in ROS-scavenging activity of Sagunja is proposed.
백두옹탕(白頭翁湯)의 대장암 세포주 HCT-116 항암효과와 세포자멸사에 관한 연구
김종욱,문구,박찬희,이정한,지혜민,Kim, Jong-Uk,Moon, Goo,Park, Chan-Ny,Lee, Jeong-Han,Ji, Hye-Min 대한한방내과학회 2010 大韓韓方內科學會誌 Vol.31 No.2
Objectives : To investigate the anti-cancer effect of Baekduong-tang(BDOT) against cancer cells, the signaling pathway of apoptosis was explored in human colon cancer cells. Materials and Methods : Human colon cancer cell lines, including HT-29 and HCT-116 cells, were used. Cell viability was measured by MTT assay. Apoptosis was determined by DAPI nuclei staining and flow cytometry in HCT-116 cells treated with 0.25 mg/$m{\ell}$ Baekduong-tang for 48 hrs. Results : Baekduong-tang induced the apoptosis of p53 positive HCT-116 cells with G2/M phase arrest. Treatment with Baekduong-tang led to increased expression and phosphorylation of p53 and decreased expression of CDK2 and CDK6 in HCT-116 cells. It also activated caspase-3 through caspase-10 and caspase-9 activation. Finally, Baekduong-tang induced production $H_2O_2$, superoxide anion ($O_2^-$) and NO and modulated proteins expression including SOD, NOS, Bax and Bcl-2. Conclusions : These results indicate Baekduong-tang induces apoptotic death of HCT-116 cells through G2/M phase arrest and disturbance of intracellular redox status in a p53-dependent manner.