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Taurine and calcium interaction in protection of myocardium exposed to ischemic reperfusion injury.

机译:牛磺酸与钙的相互作用可保护缺血再灌注损伤的心肌。

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摘要

We aimed to investigate the cardio-protective role of taurine with low calcium level against reperfusion damage by adding taurine to extracellular fluid. Guinea-pig hearts were mounted on Langendorf perfusion apparatus and different compositions of perfusion solutions were prepared for each experimental group. After 20 min of normothermic ischemia the hearts were reperfused. Pre-ischemic, post-ischemic and post-reperfusion percentage changes of heart rate and contractile force were compared. Post-reperfusion tissue weight, malondialdehyde (MDA) and prostaglandin E-like activity (PGE-like activity) were assessed. Taurine-added low-calcium perfusion solution significantly decreased the postischemic myocardial injury.
机译:我们的目的是通过向细胞外液中添加牛磺酸来研究低钙水平的牛磺酸对再灌注损伤的心脏保护作用。将豚鼠心脏安装在Langendorf灌注设备上,并为每个实验组准备不同组成的灌注溶液。正常体温缺血20分钟后,对心脏进行再灌注。比较了缺血前,缺血后和再灌注后心率和收缩力的百分比变化。再灌注后的组织重量,丙二醛(MDA)和前列腺素E样活性(PGE样活性)进行了评估。添加牛磺酸的低钙灌注液可显着降低缺血后心肌损伤。

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