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find Author "彭绍民" 3 results
  • 血-视网膜外屏障发育的研究现状

    血-视网膜外屏障(BRB)由视网膜色素上皮(RPE)细胞间的连续网状紧密连接构成,是维持视网膜及视觉生理状态的重要基础。BRB由视神经管的膨出部分视泡发育而来,随着胚胎发育逐渐形成。发育过程中紧密连接复合体的结构及分子组成均发生了改变,且受周围组织的调控。BRB的发育具有种属差异。干细胞来源的RPE细胞有可能成为研究RPE屏障功能的最佳模型。

    Release date:2016-09-02 05:25 Export PDF Favorites Scan
  • New insight into application and function of air or gas for vitreoretinal surgery

    At present, tamponade agent which being used in retinal surgery is mainly sterile air, gas and silicone oil. Sterile air is mostly used in the treatment of simple retinal detachment. Gas or silicone oil as tamponade is greatly applied for complicated retinal detachment. In recent years, with the application of micro-invasive vitrectomy under a wide-angle viewing system and perioperative anti-vascular endothelial growth factor drugs, application of intraocular filling materials also has changed. The application of silicone oil is significantly reduced. Percentage rate of gas as tamponade for retinal detachment is reduced. The application of sterile air as tamponade is rising. With selecting indication carefully and picking up the suitable air or gas, doctor will reduce the workload. It will also reduce the social burden and benefit patients.

    Release date:2022-05-18 04:03 Export PDF Favorites Scan
  • Iris pigment epithelial cells of rabbits stained by carboxyfluorescein diacetate succinimidyl ester in vitro

    Objective lt;brgt;To investigate the feasibility of labeling iris pigment epithelial(IPE)cells of rabbits with 5(and 6)carboxyfluorescein diacetate succinimidyl ester(CFSE). lt;brgt; lt;brgt;Methods lt;brgt;Enzyme-assisted microdissection was used to isolate the cultured rabbitprime;s IPE cells.The third or forth subcultured IPE cells were incubated with 2.5,5,10,20,and 40 mu;mol/L of CFSE for 1,5,and10min respectively.The fluorescence intensity was detected by flow cytometry,and the leakage of CFSE and its dyeing were observed by fluorescence antibody labeling. lt;brgt;Results lt;brgt;Incubation with 20 mu;mol/L CFSE under 37℃for1minute was the most optimal condition for IPE cells labeling.The coloration of IPE cells stained by CFSE lasted 4 weeks.There was no leakage of dye from labeled rabbit IPE cells to non-labeled human IPE cells in mixed culture process. lt;brgt; lt;brgt;Conclusion lt;brgt;With the advantages of high rate of dyeing,long time of tracing,safety and convenience,CFSE can be used as a new method to label the rabbitprime;s IPE cells. lt;brgt; lt;brgt;(Chin J Ocul Fundus Dis, 2006, 22: 261-264)

    Release date:2016-09-02 05:51 Export PDF Favorites Scan
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