Protective effects and mechanism of Asiatic Acid on traumatic brain injury
-
摘要: 目的 研究积雪草酸对颅脑损伤的保护作用及其机制。 方法 采用落重法建立大鼠闭合性颅脑损伤模型和液压冲击颅脑损伤模型,测定大鼠脑组织含水量、血脑屏障通透性、以及观察脑组织病理形态学变化,研究积雪草酸对颅脑损伤的保护作用;用酶联免疫吸附测定(ELISA)和聚合酶链式反应(PCR)检测炎症因子肿瘤坏死因子-α(TNF-α)、白细胞介素-1β(IL-1β)、白细胞介素-6(IL-6)的表达,探讨其作用机制。 结果 积雪草酸可显著减少颅脑损伤后脑组织含水量,减轻血脑屏障通透性,改善脑组织细胞形态;并且可以显著抑制颅脑损伤后炎症因子TNF-α、IL-1β、IL-6的表达。 结论 积雪草酸具有保护颅脑创伤的作用,其作用机制可能与其抑制炎症作用有关。Abstract: Objective To study the protective effects and mechanism of Asiatic Acid (AA) on traumatic brain injury. Methods The closed craniocerebral injury model made by the weight-drop method and fluid percussion brain injury model were used in the study. Brain water content, blood brain barrier permeability and brain tissue pathology morphology were measured to study the neuroprotective effect of AA on traumatic brain injury. Moreover, the inflammatory cytokines such as TNF-α, IL-β, IL-6 were examined by PCR and ELISA to study the mechanism of AA. Results Brain water content and permeability of blood brain barrier were significantly decreased, the traumatic brain injury was nameliorated by AA. Moreover, the expressions of inflammatory cytokines TNF-α, IL-β, IL-6 were inhibited by AA. Conclusion AA has the protective effects on traumatic brain injury and the mechanism is related to the anti-inflammatory effect.
-
Key words:
- Asiatic Acid /
- traumatic brain injury /
- inflammatory cytokines
-
[1] Tweedie D, Rachmany L, Kim DS,et al. Mild traumatic brain injury-induced hippocampal gene expressions:The identification of target cellular processes for drug development[J]. J Neurosci Methods,2016,S0165-0270(16)00055-8. [2] 赵宇新,李曼玲,冯伟红,等.积雪草的研究进展[J].中国中医药信息杂志,2002,9(8):81-84. [3] 陈军,华维一,孙宏斌.积雪草酸及其衍生物的生物活性研究概况[J]. 中草药,2006,37(3):458-460. [4] Li TJ,Li B,Qin Y,et al.The application of asiatic acid and its derivatives in the preparation of antidepressants[P]. CN,1543964.2004-11-10. [5] Kim SR,Koo KA,Lee MK,et al. Asiatic acid derivatives enhance cognitive performance partly by improving acetylcholinesynthesis[J]. J Pharm Pharmacol,2004,56(10):1275-1282. [6] Cui FG. The application of asiatic acid and its derivatives in treatment of cardio-cerebrovasculardisease[P]. CN,1582946. 2005-02-23. [7] 谭福源,李耀华.闭合性机械脑损伤实验动物模型[J].国外医学神经病学神经外科学分册,1994,21(2):80-82. [8] 方加胜,哀贤瑞,刘运生. 实验性大鼠液压分级颅脑损伤模型的建立与研究[J].湖南医科大学学报,1996,21(5):385-389. [9] 纪冬,辛绍杰.实时荧光定量PCR的发展和数据分析[J]. 生物技术通讯,2009,4(20):598-600. [10] Savitz SI, Cox CS Jr. Concise review:cell therapies for stroke and traumatic brain injury:targeting microglia[J]. Stem Cells,2016,34(3):537-542.
计量
- 文章访问数: 3489
- HTML全文浏览量: 374
- PDF下载量: 10
- 被引次数: 0