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Atherosclerosis lesion is accelerated by persistent systemic inflammation but attenuated by saponins from Panax Notoginseng in rabbits

机译:持续性全身炎症会加速动脉粥样硬化病变,但三七总皂苷可减轻兔动脉粥样硬化病变

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ObjectiveTo 在 rabbits.MethodsThirty 兔子在这进程上在动脉粥样硬化和人参属 Notoginseng (PNS ) 的 saponins 的效果探索坚持的全身的发炎的角色随机并且同等地被划分成 6 个组,即,控制,高脂肪的食谱,发炎,阿司匹林, PNS 和简单发炎的组。所有动物除了在控制组和简单发炎的组用高脂肪的饮食被喂 8 个星期之外。基于那,在发炎,阿司匹林和 PNS 组的兔子与酵母多糖注射被对待(10 mg/kg, i.p ) 。生理盐水在控制组被给兔子。除酵母多糖注射以外,在阿司匹林和 PNS 组的动物与阿司匹林被管理(12 mg/kg, i.g ) 并且 PNS (120 mg/kg, i.g ) 分别地。在简单发炎的组的动物与酵母多糖注射被对待(10mg/kg, i.p ) 并且有正常的美联储节食。在主动脉的动脉粥样硬化损害被染色的苏丹 IV 观察。肝磷脂以后的脂蛋白脂肪分解酵素( LPL )的浆液全部的胆固醇,甘油三酸酯( TG ),TNF-和活动与高脂肪的食谱组,一起在一夜的 fast.ResultsCompared 以后在 第4 和 第8 星期的结束被测量动脉粥样硬化损害的区域,浆液 TG 和 TNF 显著地在发炎组的兔子增加了,并且 LPL 的活动显著地被减少。浆液 TNF- 水平否定地与肝磷脂以后的 LPL 的活动被相关(r = 0.708, P < 0.01 ) 。动脉粥样硬化,浆液 TG 和 TNF 的区域在发炎组与那相比在阿司匹林和 PNS 组减少了,并且 LPL 的活动显著地被增加。与控制组相比,浆液 TG 和 TNF- 显著地在简单发炎的组被增加,当 LPL 活动被减少时。动脉粥样硬化患者损害没在全身的发炎能加速的简单发炎的 group.ConclusionsPersistent 发生在主动脉的动脉粥样硬化损害的形成,它部分取决于肝磷脂以后的脂蛋白脂肪分解酵素的活动减少。PNS 能改进发炎引起的变化。
机译:Objective: To explore the roles of persistent systemic inflammation in atherosclerosis and the effects of saponins of Panax Notoginseng (PNS) on this process in rabbits. Methods: Thirty rabbits were divided randomly and equally into 6 groups, i.e., control, high-fat diet, inflammation, aspirin, PNS and simple-inflammation group. All the animals except that in control group and simple-inflammation group were fed with high-fat diet for 8 weeks. Based on that,rabbits in inflammation, aspirin and PNS groups were treated with zymosan injection (10 mg/kg, i.p.). Normal saline was given to rabbits in control group. Besides zymosan injection, animals in aspirin and PNS group were administrated with aspirin (12 mg/kg, i.g.) and PNS (120 mg/kg, i.g.) respectively. The animals in simple-inflammation group were treated with zymosan injection (10mg/kg, i.p.) and fed with normal diet. The atherosclerosis lesion in aortas was observed by Sudan IV staining. Serum total cholesterol, triglyceride (TG), TNF-α and activity of post-heparin lipoprotein lipase (LPL) were measured at the end of the 4th and 8th week after an overnight fast. Results: Compared with high-fat diet group, the area of atherosclerosis lesion, serum TG and TNF-α were markedly increased in rabbits of inflammation group, and the activity of LPL was decreased remarkably. Serum TNF-α level was negatively correlated with the activity of post-heparin LPL (r=-0.708, P<0.01). The area of atherosclerosis, serum TG and TNF-α were decreased in aspirin and PNS group compared with that in inflammation group, and the activity of LPL was increased remarkably. Compared with control group, serum TG and TNF-α were markedly increased in simple-inflammation group, while LPL activity was decreased. Atherosclerotic lesion did not occur in simple-inflammation group. Conclusion: Persistent systemic inflammation could accelerate the formation of atherosclerosis lesion in aortas, which partly depend on the decreasing of the activity of post-heparin lipoprotein lipase. PNS could improve the changes caused by inflammation.

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