[1]张培蕾,鲁海涛,朱悦奇,等.丁苯酞对大鼠局灶性脑缺血再灌注损伤的保护作用[J].介入放射学杂志,2012,(03):239-242.
 ,,et al.The protective effect of dl3nbutylphthalide on local cerebral ischemiareperfusion injury in experimental rats [J].journal interventional radiology,2012,(03):239-242.
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丁苯酞对大鼠局灶性脑缺血再灌注损伤的保护作用 ()

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《介入放射学杂志》[ISSN:1008-794X/CN:31-1796/R]

卷:
期数:
2012年03期
页码:
239-242
栏目:
实验研究
出版日期:
2012-03-28

文章信息/Info

Title:
The protective effect of dl3nbutylphthalide on local cerebral ischemiareperfusion injury in experimental rats  
作者:
 张培蕾鲁海涛朱悦奇李明华赵俊功
Author(s):
 ZHANG Peile LU Haitao ZHU Yueqi LI Minghua ZHAO Jungong.  
 Department of Diagnostic and Interventional Radiology, Shanghai Sixth People's Hospital, Shanghai Jiaotong University, Shanghai 200233, China
关键词:
 【关键词】   脑缺血再灌注 丁苯酞 血管内皮生长因子 预防
文献标志码:
A
摘要:
 摘要】 目的 观察丁苯酞对大鼠局灶性脑缺血再灌注损伤后血管内皮生长因子(VEGF)表达的影响及其对缺血再灌注损伤治疗时间窗的影响。方法 SD大鼠72只,随机分为假手术组24只,缺血再灌注组24只,丁苯酞治疗组24只。每组再分为缺血2、3和4 h 后再灌注3个亚组,每亚组8只。采用改良线栓法制作大鼠局灶性脑缺血再灌注模型,观察各组神经功能和脑梗死范围,免疫组化法检测脑组织中VEGF表达。结果 随着缺血时间延长,再灌注后, 神经功能评分和脑梗死范围也随之增高,缺血再灌注组在缺血2、3和4 h的神经功能评分分别为(2.6 ± 0.6)分、(3.7 ± 1.0)分和(4.2 ± 1.0)分,脑梗死容积比率分别为(27.6 ± 5.4)%、(33.1 ± 6.1)%和(42.3 ± 7.3)%;而在丁苯酞治疗组则分别为(1.2 ± 0.5)分、(1.6 ± 0.7)分、(2.3 ± 0.9)分和(9.8 ± 1.6)%、(16.7 ± 2.3)%和(20.7 ± 3.9)%,与缺血再灌注组比较丁苯酞治疗组明显较低,差异有统计学意义(P值均 < 0.05)。并发现丁苯酞治疗组的缺血4 h的症状评分和脑梗死容积比率与缺血再灌注组缺血2 h比较,差异无统计学意义(P > 0.05)。随着缺血时间的延长,丁苯酞治疗组和缺血再灌注组的VEGF表达均逐渐减弱。与假手术组比较,缺血再灌注组脑组织中VEGF表达明显减弱(P < 0.01)。与其他两组比较,丁苯酞治疗组的VEGF表达明显较强,差异有统计学意义(P < 0.01)。结论 丁苯酞对大鼠局灶性脑缺血再灌注损伤具有保护作用,其作用机制可能与VEGF表达相关,并能延长缺血再灌注治疗时间窗。

参考文献/References:

[1]   Liao SJ, Lin JW, Pei Z, et al. Enhanced angiogenesis with dl3nbutylphthalide treatment after focal cerebral ischemia in RHRSP[J]. Brain Res, 2009, 1289: 69  78.
[2]   Schmidt NO, Koeder D, Messing M, et al. Vascular endothelial growth factorstimulated cerebral microvascular endothelial cells mediate the recruitment of neural stem cells to the neurovascular niche[J]. Brain Res, 2009, 1268: 24  37.
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[4]   郑献召, 张三军, 石   莉, 等. 丁苯酞治疗大鼠脑缺血再灌注损伤作用机制的研究[J]. 中国实用神经疾病杂志, 2009, 12: 59  61.
[5]   焦东亮, 倪秀石, 高   艳, 等. 丁苯酞对大鼠局灶性脑缺血再灌注损伤后caspase3表达的影响[J]. 中国临床神经科学, 2007, 15: 19  23.
[6]  Lennmyr F, Ata KA, Funa K, et al. Expression of vascular endothelial growth factor (VEGF) and its receptors (Flt1 and Flk1) following permanent and transient occlusion of the middle cerebral artery in the rat[J]. J Neuropathol Exp Neurol, 1998, 57: 874  882.
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备注/Memo

备注/Memo:
 (收稿日期:20110919)
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