Search results for: Cardiac protection of Bauhinia championii against reperfusion injury.
#32061153 
2020/02/15
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Cardiac protection of Bauhinia championii against reperfusion injury.
This study aims to investigate the protective effects of the Bauhinia championii (BC) against ischemia/reperfusion (I/R)-induced injury in an isolated heart model. Langendorff-perfused C57BL/6JNarl mice hearts were performed with 30 minutes ischemia and 60 minutes reperfusion by left anterior descending artery ligation. Before reperfusion, boiling water extracts of BC (10 mg/L) was pretreated for 15 minutes. During reperfusion, BC significantly decreased the occurrence of ventricular arrhythmias by lead II electrocardiogram (ECG). Electrophysiological effect of BC was further determined in isolated ventricular myocytes by whole-cell patch clamp technique. The underlying mechanism may result from its Na channel blocking activity characterized with reduced rise slope of action potential and Na current density. Moreover, BC dramatically reduced I/R-caused infarct size, which was accessed by 2,3,5-triphenyltetrazolium chloride (TTC) assay. Since BC decreased I/R-induced myoglobin release and oxidation of Ca -calmodulin-dependent protein kinase, inhibition of myocardial necroptosis may account for the protective effects of BC on myocytes lose. This study indicated that BC may prevent I/R induced ventricular arrhythmias and myocyte death by blocking Na channels and decreasing necroptosis, respectively. Since most of the available antiarrhythmic remedies have unwanted adverse actions, BC could be a novel candidate for the treatment of myocardial infarction and ventricular arrhythmia.Yun-Fang Chen, Wei-Yu Chen, Ching-Hu Chung, Chao-Lin Kuo, An-Sheng Lee
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#27007544 2016/03/24
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The Antioxidant, Anti-Inflammatory and Anti-Apoptotic Activities of the Bauhinia Championii Flavone are Connected with Protection Against Myocardial Ischemia/Reperfusion Injury.
Previous studies have demonstrated that Bauhinia championii flavone (BCF) exhibits anti-oxidative, anti-hypoxic and anti-stress properties. This study was designed to investigate whether BCF has a cardioprotective effect against myocardial ischemia/reperfusion (I/R) injuries in rats and to shed light on its possible mechanism.Jie Jian, Feifei Xuan, Feizhang Qin, Renbin Huang