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Protective effect of procyanidins from the seedpod of the lotus on myocardial ischemia and reperfusion injury in rat
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- Author:
- No author available
- Journal Title:
- ACTA PHARMACEUTICA SINICA
- Issue:
- 6
- DOI:
- 10.3321/j.issn:0513-4870.2004.06.001
- Key Word:
- 莲房原花青素;缺血再灌注损伤;内皮素;血管紧张素;黄嘌呤氧化酶
Abstract： 目的探讨莲房原花青素(LSPC)对大鼠心肌缺血再灌注损伤的作用.方法用麻醉大鼠冠脉结扎30min 后,再灌注45 min造成心肌损伤模型.离体大鼠心脏经停灌30 min后,用正常K-H液复灌30 min,造成心肌损伤模型.均于实验前给予药物或生理盐水.结果LSPC可降低复灌后血清ET和AngⅡ的浓度,抑制MDA含量升高,并保持SOD活性及NO的水平.心肌复灌以后冠脉流量和心率明显恢复,心肌细胞酶CK和LDH漏出减少,心肌组织黄嘌呤氧化酶(XO)的活性降低,心肌超微结构的病理变化改善等.结论LSPC对整体及离体大鼠心肌缺血再灌注损伤具有保护作用.
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