飞龙掌血提取物对高脂血症心肌缺血大鼠炎症因子的影响
作者:
作者单位:

(1. 贵阳中医学院基础医学院,贵阳 550025; 2. 国家苗药工程技术研究中心,贵阳 550002)

中图分类号:

R-33

基金项目:

贵州省科学技术基金(黔科合J 字[2012]2087 号);贵阳中医学院博士基金(2011 年);贵州省科技计划项目(黔科合院士站[2014]4013 号)


Effects of Toddalia asiatica extract on inflammatory cytokines in rats with myocardial ischemia and hyperlipidemia
Author:
Affiliation:

(1. Basic Medical School,Guiyang College of Chinese Medicine,Guiyang 550025,China; 2. National Engineering and Technological Research Center of Miao Medicine,Guiyang 550002)

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    摘要:

    目的 观察飞龙掌血提取物(Toddalia asiatica extract,TAE)对高脂血症心肌缺血大鼠炎症因子的影响,初步探讨TAE 对心血管保护作用的机制?方法 取SD 雄性大鼠,高脂饲料喂养4 周,诱导高脂血症,随机分为对照组?模型组?辛伐他汀组?TAE 高?低剂量组,继续喂养4 周,于试验结束72 h 前分3 次皮下注射异丙肾上腺素(isoprenaline hydrochloride,Iso),造成高脂血症心肌缺血模型?8 周末检测大鼠心电图,心脏?肝脏?脂肪指数,血清总胆固醇(total cholesterol,TC)?甘油三酯(triglyceride,TG)?高密度脂蛋白(high density lipoprotein,HDL)?低密度脂蛋白(low density lipoprotein,LDL)及炎症因子肿瘤坏死因子-α(tumor necrosis factor-α,TNF-α)?干扰素-γ(interferon-γ,INF-γ)?白介素-6(interleukin-6,IL-6)?白介素-10(interleukin-10,IL-10)含量,心肌组织病理观察?结果 TAE 可改善Iso 引起的大鼠心肌缺血心电图变化,抑制心脏?肝脏?脂肪指数,降低血清TC?TG?LDL 含量,升高血清HDL含量;降低血清TNF-α?INF-γ?IL-6 水平,升高血清IL-10 含量(P < 0.05),改善心肌组织病理损伤?结论 飞龙掌血提取物可能通过调节抗炎与促炎因子的平衡,降低血脂水平,发挥其保护心血管的作用?

    Abstract:

    Objective To explore the effects of Toddalia asiatica extract (TAE) on inflammatory cytokines in rats with myocardial ischemia and hyperlipidemia. Methods The early changes of hyperlipidemia were caused by feeding high fat diet for 4 weeks. Fifty male SD rats were randomly divided into 5 groups: the control group, model group, simvastatin group (3.5 mg/ kg), high-dose TAE group (280 mg/ kg) and low-dose TAE group (70 mg/ kg). At the end of the 4-weeks treatment, isoprenaline hydrochloride (Iso) was subcutaneous injected once a day for consecutive three days. The electrocardiogram (EKG),the heart,liver and fat indexes, the serum levels of TC, TG, HDL, LDL, TNF-α, INF-γ, IL-6 and IL-10, and the pathological changes of myocardium were examined. Results TAE significantly improved the Isoinduced EKG changes in rats, reduced the heart, liver and fat indexes,and decreased the levels of TC, TG, LDL, TNF-α, INF-γ and IL-6 and increased the contents of HDL and IL-10 (P < 0.05 for all), and improved the pathological damages of myocardium. Conclusions The Miao nationality medicine Toddalia asiatica extract may play an important protective role in cardiovascular diseases by regulating the balance of antiinflammatory and proinflammatory cytokines.

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刘明,刘杨,邓颖,胡祖林.飞龙掌血提取物对高脂血症心肌缺血大鼠炎症因子的影响[J].中国比较医学杂志,2018,28(2):64~68.

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  • 收稿日期:2017-07-30
  • 在线发布日期: 2018-03-14
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