AMD3100在大鼠短暂性局灶性脑缺血损伤超早期中的抗炎作用
2017-07-01袁淑绘王聪聪刘晓伟宿振国
袁淑绘+王聪聪+刘晓伟+宿振国

【摘要】 目的:探讨AMD3100在大鼠短暂性局灶性脑缺血损伤超早期的抗炎作用。方法:将雄性SD大鼠随机分为AMD3100处理组(AMD3100组)、溶剂对照组(PBS组)、假手术组,AMD3100组于再灌注(ischemia-reperfusion,I/R)后给予AMD3100 PBS溶液腹腔注射,假手术组与PBS组于I/R后给予PBS溶液腹腔注射;各组线栓法复制120 min SD大鼠局灶性脑缺血模型,于I/R 24 h后使用ELISA法检测各组缺血区炎症因子IL-10、TNF-α、IL-1β含量。结果:AMD3100组较PBS组IL-10含量高,TNF-α、IL-1β含量低(P<0.05)。结论:AMD3100能够通过抗炎作用对大鼠短暂性局灶性脑缺血损伤起保护作用。
【关键词】 AMD3100; 短暂性局灶性缺血性脑损伤; IL-10; IL-1β; TNF-α
doi:10.14033/j.cnki.cfmr.2017.17.081 文献标识码 B 文章编号 1674-6805(2017)17-0154-03
The Anti-inflammatory Effect of AMD3100 on the Ultra-early Time of Transient Focal Brain Ischemic Injury in Rats/YUAN Shu-hui,WANG Cong-cong,LIU Xiao-wei,et al.//Chinese and Foreign Medical Research,2017,15(17):154-156
【Abstract】 Objective:To explore the anti-inflammatory effect of AMD3100 on the ultra-early time of transient focal brain ischemic injury in rats.Method:Male SD rats were randomly divided into the AMD3100 group,Vehicle group(PBS group) and Sham group,AMD3100 group was given intraperitoneal injection of AMD3100 after ischemia-reperfusion(I/R),PDB group and Sham group were given of PBS after I/R.The transient focal brain ischemia model was induced by Zea-longa modified-suture middle cerebral artery occlusion(MCAO).Inflammation factors IL-10,IL-1β,TNF-α were detected by using ELISA method.Result:The level of IL-10 was higher and the levels of IL-1β and TNF-α were lower in AMD 3100 group compared with the PBS group(P<0.05).Conclusion:AMD3100 can improve the prognosis of cerebral ischemia by anti-inflammatory effect.
【Key words】 AMD3100; Transient focal ischemic brain injury; IL-10; IL-1β; TNF-α
First-authors address:Binzhou Medical University,Yantai 264003,China
缺血性卒中最重要的独立危险因素是短暂性局灶性脑缺血[1],有文献[2]报道其后7 d内的脑梗死发生率可高达8%~10.5%,可导致严重的神经功能缺损甚至导致死亡。在短暂性局灶性脑缺血的发病过程中,在发病3~6 h(即超早期内)如果能够進行积极治疗,将可以大大降低后期发展为脑卒中风险[3]。前期笔者的研究“CXCLl2在大鼠短暂性局灶性脑缺血损伤超早期中的作用”表明AMD3100对大鼠短暂性局灶性脑缺血损伤具有保护作用[4]。本文将探讨AMD3100对大鼠短暂性局灶性脑缺血损伤的保护作用机制中的抗炎症作用,其他机制将在后续的研究中进行。
1 材料与方法
1.1 实验动物与分组
清洁级成年SD雄性大鼠(200~220 g),购买于绿叶制药集团(中国烟台)。所有动物饲养在具有12/12 h,光照/黑暗循环(光8∶00-20∶00)的标准条件,食物和水充足。大鼠随机(单纯随机抽样法)分为AMD3100处理组(AMD3100组)、溶剂对照组(PBS组)、假手术组,每组各6只大鼠。除假手术组仅分离动脉外,其余两组均行MCAO手术。假手术组与PBS组于再灌注(ischemia-reperfusion,I/R)后腹腔注射PBS溶液,AMD3100组给予腹腔注射AMD3100 PBS溶液,AMD3100给药浓度为5 mg/kg。……
