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이종화 ( Joung Hwa Lee ),양현웅 ( Hyun Woong Yang ),이강창 ( Kang Chang Lee ),박상면 ( Sang Myeon Park ),김상수 ( Sang Su Kim ),서부일 ( Bu Il Seo ),강영성 ( Young Seung Kang ),김성수 ( Seung Soo Kim ),황대룡 ( Dae Ryoung Hwang 대한본초학회 2003 大韓本草學會誌 Vol.18 No.1
N/A Objectives : To clarify the myocardial toxicity of FeSO_4 in cultured rat myocardial cells, toxic effect was measured by MTT assay. Methods : Myocardial cells were incubated for 12hours in the media containing 10~80㎛ concentrations of FeSO_4. And also, the protective effect of Alli Macrostemi Bulbus(AMB) was measured in these cultures. Results : Cell viability was remarkably decreased in a dose- and time-dependent manners when cultured myocardial cells were exposed to 40 ㎛ FeSO_4 for 12hours. In the cytoprotective effect of AMB on FeSO_4-induced cytotoxicity, AMB blocked the FeSO_4-induced myotoxicity in these cultures. Conclusions : From the above results, it is suggested that FeSO_4 is toxic on cultured rat myocardial cells and AMB is effective in the prevention of FeSO_4-induced myocardial toxicity.
골쇄보가 Streptomycin으로 손상된 생쥐의 배양 섬유모세포에 미치는 영향
박상면 ( Sang Myeon Park ),이종화 ( Joung Hwa Lee ),이강창 ( Kang Chang Lee ),양현웅 ( Hyun Woong Yang ),이병찬 ( Byung Chan Lee ),이정헌 ( Jung Hun Lee ),정종길 ( Jong Gil Jeong ),서부일 ( Bu Il Seo ),강영성 ( Young Seung Kang 대한본초학회 2003 大韓本草學會誌 Vol.18 No.1
N/A Objectives : To examine the cytotoxicity of streptomycin(STR) on cultured mouse fibroblasts, cytotoxocity-induced by STR was measured by MTT assay. Methods : Fibroblasts were cultured in the media containing various concentrations of STR for 72 hours. In addition, cytoprotective effect of Drynariase Rhizoma(DR) on STR-induced cytotoxicity in fibroblasts was examined when fibroblasts were preincubated with various concentrations of DR for 2 hours before treatment of 5 ㎍/ml STR for 72 hours. Results : STR decreased remarkably cell viability in a dependentmanner in these cultures, and also DR increased cell viability and amount of DNA synthesis damaged by STR. Conclusions : From the above results, it is suggested that STR has toxic effect in cultured mouse fibroblasts, and also DR was effective in the protection of STR-induced cytotoxicity in these cultures.
과산화수소로 손상된 랫드(흰쥐) 배양 심근세포에 대한 천오두의 영향에 관한 연구
서은아 ( Eun A Seo ),이재규 ( Jai Kyoo Lee ),이종화 ( Joung Hwa Lee ),이병찬 ( Byung Chan Lee ),이강창 ( Kang Chang Lee ),서부일 ( Bu Il Seo ),송호준 ( Ho Joon Song ) 대한본초학회 2003 大韓本草學會誌 Vol.18 No.2
N/A Objectives : To examine the cytotoxicity and the effect of Aconiti Radix(AR) on oxygen free radicals in cultured myocardial cells of neonatal rat. Methods : Toxic effect was measured by MTT assay after myocardial cells were incubated for 4 hours in the media containing 10-40 PM concentrations of H202. In addition, the protective effect of AR was determined in these cultures. Results : Cell viability was positively decreased in a dose-dependent manner after exposure of 30 μM H₂O₂to cultured rat myocardial cells for 4 hours. In the protective effect, AR prevented the H₂O₂-induced cytotoxicity in these cultures. Conclusion : From these results, it suggests that H₂O₂has cytotoxicity in cultured rat myocardial cells and AR blocked the cytotoxicity induced by H₂O₂.
Hydrogen peroxide로 손상된 대뇌신경세포에 미치는 오미자의 효과에 관한 연구
이종화,양현웅,박상면,이강창 대한동의생리학회,대한동의병리학회 2003 동의생리병리학회지 Vol.17 No.1
It has been suggested that oxidative stress of reactive oxygen species(ROS) may play a key role in the pathogenesis of neuronal complications. The aim of this study was to examine the cytotoxic effect of hydrogen peroxide(H_2O_2) in the cultured mouse cerebral neurons and the protective effect of Schisandrae Fructus(SF) on ROS-induced neurotoxicity. Cytotoxic effect of H_2O_2 and neuroprotective effect of SF were determined by MTT assay. H_2O_2 decreased cell viability in dose-and time-dependent manner, and SF decreased H_2O_2-induced neurotoxicity in these cultures. From above the results, H_2O_2 has toxic effect, and herb extract, SF is very effective against H_2O_2-induced neurotoxicity in cultured cerebral neurons of mouse.
과산화수소로 손상된 배양 심근세포에 대한 골쇄보의 영향
이병찬,이종화,이환봉,이강창 대한동의병리학회 2003 동의생리병리학회지 Vol.17 No.3
To examine the cytotoxicity of reactive oxygen species in cultured rat myocardial cells, cytotoxic effect was determined by MTT assay after cultured cells were incubated for 4 hours in the media containing 1∼30μM of H_2O_2. And also, the protective effect of Drynariae Rhizoma(DR) was determined in these cultrures. Cell viability was significantly decreased in a dose-dependent manner after exposure of 15μM H_2O_2 to cultured rat myocardials for 4 hours. In the protective effect of DR, DR prevented the H_2O_2-induced cytotoxicity in these cultures. From these results, it suggests that H_2O_2 has toxic effect in cultured mouse myocardial cells and DR has protective effect on the cytotoxicity induced by H_2O_2.
Glucose Oxidase에 의해서 손상된 혈관내피세포에 대한 단삼의 영향
박상면,이종화,양현웅,이강창 대한동의생리학회,대한동의병리학회 2003 동의생리병리학회지 Vol.17 No.1
Cytotoxicity of glucose oxidase(GO) and cardioprotective effect of Salviae Mulborrhizae Radix(SMR) against Go-induced cardiotoxicity were measured for evaluation of cardiotoxicity on cultured mouse pulmonary endotherial cells(PEC) by MTT assay after PEC were cultured for 8 hours at various concentrations of GO. GO was toxic in a time- and dose-dependent manner on cultured PEC after PEC were grown for 8 hours in media containing 1 ~60mU/ml GO. While, cultures were pretreated with 60μg/ml SMR for 2 hours increased remarkably cell viability. From the above results, it is suggested that GO is toxic on cultured PEC by the decrease of cell viability, and herb medicine such as SMR is very effective in the prevention of vascular toxicity induced by GO.
메틸수은으로 손상된 골모세포에 대한 NMDA 수용체길항제의 영향
하대호,양현웅,이종화,이강창 대한동의생리학회,대한동의병리학회 2003 동의생리병리학회지 Vol.17 No.2
In order to elucidate the mechanism between cytotoxicity of methhylmercuric chloride(MMC) and oxygen radicals in cultured osteoblasts of neonatal mouse, cell viability was measured by MTT assay in osteoblasts treated with 1 ~ 50 μM MMC for 30 hours. And also, the protective effect of N-methyl D-aspartate(NMDA) receptor antagonist, D-2-amino-5-phosphovaleric acid(APV) was examined by cell viability in these cultures. Cell viability was significantly decreased in dose dependency after exposure of 30μM MMC to cultured osteoblasts for 30 hours. Protective effect of APV against MMC-mediated toxicity was very effective in these cultures. From above the results, it suggests that MMC is toxic in cultured mouse osteoblasts and NMDA receptor antagonist such as APV is effective in blocking the osteotoxicity induced by MMC.
척수운동신경세포에 있어서 Glucose Oxidase의 독성에 대한 동과의 영향
최유선,양현웅,이종화,이강창 대한동의생리학회,대한동의병리학회 2003 동의생리병리학회지 Vol.17 No.2
It has been suggested that oxidative stress of reactive oxygen species(ROS) may play an important role in the pathogenesis of neurological disorder. The aim of this study was to elucidate the oxidative stress of glucose oxidase(GO) in the cultured mouse spinal motor neurons and the preventing effect of Benincasae Semen(BS) on ROS-induced neurotoxicity. Cytotoxic effect of GO and protective effect of BS were performed by MTT assay. 30mU/ml GO decreased cell viability in dose-and time-dependent mannner, and BS diminished GO-induced neurotoxicity in these cultures. From above the results, ROS such as GO has toxic effect, and herb extract of BS is very effective against GO-induced neurotoxicity in cultured spinal motor neurons of neonatal mouse.