By means of Langendor ff isolated-heart perfusion technique, a model of cardiac global hypoxia/reoxygenation was prepared. Breviscapin (100mg/L in perfusate) effectively reduced the myocardial hypoxic perfusion and re...By means of Langendor ff isolated-heart perfusion technique, a model of cardiac global hypoxia/reoxygenation was prepared. Breviscapin (100mg/L in perfusate) effectively reduced the myocardial hypoxic perfusion and reoxygenation damage with respect to lowering myocardial CPK release, indicating a membrane-protective effect of the drug. After 50min hypoxic perfusion. Breviscapin-treated grup showed relatively higher myocardial activity of superoxide dismutase and glutathione peroxidase comparing to the control group. After 5min reoxygenation, the level of myocardial malondialdehyde-like substance in the treated group was lower than that in the control group indicating less free radical accumulated in the myocardium of treated group.展开更多
文摘By means of Langendor ff isolated-heart perfusion technique, a model of cardiac global hypoxia/reoxygenation was prepared. Breviscapin (100mg/L in perfusate) effectively reduced the myocardial hypoxic perfusion and reoxygenation damage with respect to lowering myocardial CPK release, indicating a membrane-protective effect of the drug. After 50min hypoxic perfusion. Breviscapin-treated grup showed relatively higher myocardial activity of superoxide dismutase and glutathione peroxidase comparing to the control group. After 5min reoxygenation, the level of myocardial malondialdehyde-like substance in the treated group was lower than that in the control group indicating less free radical accumulated in the myocardium of treated group.
