红参水煎液对心衰大鼠心功能及氧化应激的影响Effects of Hongshen Decoction on Cardiac Function and Oxidative Stress in Rats with Heart Failure
温玉;胡琨建;李欧;蔡晓月;赵英强;
摘要(Abstract):
目的 观察红参水煎液对心衰大鼠心功能及氧化应激反应的影响。方法 采用腹主动脉缩窄法建立心力衰竭的模型,将成模大鼠随机分为模型组、红参低剂量组、红参中剂量组、红参高剂量组,将仅穿线未结扎的大鼠作为假手术组,连续灌胃8周。灌胃结束后取材,进行心脏超声检查、HE染色及N端前脑钠肽(NTproBNP)、活性氧(ROS)、丙二醛(MDA)、超氧化物歧化酶(SOD)、谷胱甘肽过氧化物(GSH-Px)检测。结果 在心功能方面,与模型组相比,红参低、中、高剂量组的左室射血分数、左室缩短率均升高(P <0.05),NT-proBNP含量均有下降趋势。在HE染色方面,与模型组相比,红参低、中、高剂量组均可改善心衰大鼠的心肌结构。在氧化应激反应方面,与模型组相比,红参低、中、高剂量组均可使ROS活性、MDA含量降低或有降低趋势,而SOD、GSH-Px含量均升高或有升高趋势。结论 红参水煎液可以对心衰大鼠的心脏起到保护作用,其机制可能与通过增强抗氧化能力,降低氧化应激水平有关。
关键词(KeyWords): 心衰;红参;心功能;氧化应激;大鼠
基金项目(Foundation): 天津市教委科研计划(2019KJ052)
作者(Authors): 温玉;胡琨建;李欧;蔡晓月;赵英强;
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