[1]张瑶,张星慧,李美香,等.Neu-P11对急性高眼压大鼠眼压及视网膜组织胶质原纤维酸性蛋白表达的影响[J].眼科新进展,2017,37(5):415-418.[doi:10.13389/j.cnki.rao.2017.0105]
 ZHANG Yao,ZHANG Xing-Hui,LI Mei-Xiang,et al.Effect of Neu-P11 on retinal GFAP protein expression and IOP of acute high IOP rats[J].Recent Advances in Ophthalmology,2017,37(5):415-418.[doi:10.13389/j.cnki.rao.2017.0105]
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Neu-P11对急性高眼压大鼠眼压及视网膜组织胶质原纤维酸性蛋白表达的影响/HTML
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《眼科新进展》[ISSN:1003-5141/CN:41-1105/R]

卷:
37卷
期数:
2017年5期
页码:
415-418
栏目:
实验研究
出版日期:
2017-05-05

文章信息/Info

Title:
Effect of Neu-P11 on retinal GFAP protein expression and IOP of acute high IOP rats
作者:
张瑶张星慧李美香张弛贺鹏程蒋湘尹卫东Moshe Laudon石金凤
415000 湖南省常德市,常德市第一人民医院(张瑶);421001 湖南省衡阳市,南华大学药学与生物科学学院生物技术系(贺鹏程,尹卫东);421001 湖南省衡阳市,衡阳爱尔眼科医院(张星慧);421001 湖南省衡阳市,南华大学心血管疾病研究所(李美香,张弛,蒋湘,尹卫东,石金凤);Drug Discovery,Neurim Pharmaceuticals lad,Tel-Aviv,Israel (Moshe Laudon)
Author(s):
ZHANG YaoZHANG Xing-HuiLI Mei-XiangZHANG ChiHE Peng-ChengJIANG XiangYIN Wei-DongMoshe LaudonSHI Jin-Feng
First People’s Hospital of Changde(ZHANG Yao),Changde 415000,Hunan Province,China
关键词:
Neu-P11高眼压胶质原纤维酸性蛋白褪黑素视网膜大鼠
Keywords:
Neu-P11high intraocular pressureglial fibrillary acid proteinmelatoninretinarat
分类号:
R775
DOI:
10.13389/j.cnki.rao.2017.0105
文献标志码:
A
摘要:
目的 探讨Neu-P11对急性高眼压大鼠眼压及视网膜胶质原纤维酸性蛋白(glial fibrillary acid protein,GFAP)表达的影响。方法 24只雄性SD大鼠随机分为:正常对照组、高眼压组、褪黑素治疗组和Neu-P11治疗组,每组6只,后3组采用Trendelenburg卧位法建立高眼压模型,各组通过眼角膜滴注方法给药。正常对照组和高眼压组滴注10 μL生理盐水,褪黑素治疗组和Neu-P11治疗组分别滴注10 μL 100 μmol·L-1褪黑素和Neu-P11药物治疗,给药后休息2 h,再次置于卧位45 min后每小时测1次眼压,共6次,观察1周,重复实验1次。实验末注射过量戊巴比妥钠处死大鼠,留取各组大鼠眼球常规组织学切片观察SD大鼠视网膜形态学变化;免疫组织化学染色观察视网膜GFAP的表达。结果 正常对照组眼压为(13.61±0.55)mmHg(1 kPa=7.5 mmHg),高眼压组眼压为(41.26±1.73)mmHg(P<0.01),即急性高眼压大鼠模型建立成功。与正常对照组相比,高眼压组大鼠视网膜水肿增厚,层次不清晰,GFAP表达呈强阳性。而褪黑素治疗组和Neu-P11治疗组大鼠眼压较高眼压组显著降低,GFAP蛋白阳性表达明显减弱。结论 Neu-P11能够降低急性高眼压大鼠眼压,抑制视网膜组织胶质细胞的激活,降低GFAP表达,保护视网膜。
Abstract:
Objective To explore the effects of the new melatonin nonselective agonists Neu-P11 on intraocular pressure (IOP) and glial fibrillary acid protein (GFAP) expression in the retina of acute high IOP rat.Methods Twenty-four male Sprague-Dawley rats were randomly divided into 4 groups (6 cases in each group):Normal IOP with local treatment (NIL) group,high IOP with local treatment (HIL) group,HIL with melatonin treatment (HIL-M) group,HIL with Neu-P11 treatment (HIL-N) group.10 μL normal saline was instilled in NIL group and HIL group,while 10 μL 100 μmol·L-1 Mel/Neu-P11 treated in HIL-M group and HIL-N group.After 2 hours of rest,rats were placed in the Trendelenburg position duration 45 minutes.And then,IOP was measured every hour for 6 hours,and repeated it for a week.The excessive sodium pentobarbital was injected to SD rats at the end of the experiment.The rat eyeballs were took out to perform HE and immunohistochemical staining to detect retina GFAP protein expression.Results After a week,IOP in HIL group was (41.26±1.73)mmHg (1 kPa=7.5 mmHg),NIL group was (13.61±0.55)mmHg,which mean the Trendelenburg could induce high IOP in SD rats.Compared with the NIL group,the retinal becoming thick,the level of organization was not clear and the expression of GFAP protein was quite high in HIL group.At the same time,the GFAP protein expression and IOP were significantly weakened in HIL-M group and HIL-N group compared with HIL group.Conclusion Neu-P11 can reduce IOP,inhibit the activation of gliocyte,and decrease the expression of GFAP to protect the retina.

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备注/Memo

备注/Memo:
湖南省自然科学基金(编号:14JJ2084);南华大学“蒸湘学者计划”资助(Xiangyang Tang);湖南省教育厅基金项目(编号:15C1203);湖南省卫生计生委基金(编号:C2015-19)
更新日期/Last Update: 2017-06-07