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find Keyword "染色与标记" 3 results
  • Damage of the retrograde axial flow of retinal ganglion cells in diabetic rats at the early stage

    Objective To observe whether theograde axial flow of retinal ganglion cells (RGC) in diabetic rats at the early stage was damaged. Methods Diabetic model was induced by streptozotocin in 6 adult male Sprague-Dawley (SD)rats. Fluorogold (FG) was injected to the superior colliculi 4 weeks later.Streched preparation of retina was made 12 and 72 hours after the injection, and was stained after photographed by fluorescent microscope. The proportion of RGC with different sizes labeled by FG was calculated. Other 6 normal adult male SD rats were in the control group. Results Twelve hours after injection with FG, there was no difference of the total number of RGC in experimental and control group, but the ratio of small RGC was lower in experimental group than that in the control group; 72 hours after injection with FG, The number of RGC, especially the small RGC, decreased obviously in experimental group compared with the control group. Conclusion The speed of the retrograde axial flow of RGC in diabetic rats at the early stage is affected, and the small RGC are damageable. (Chin J Ocul Fundus Dis, 2006, 22: 4-6)

    Release date:2016-09-02 05:51 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
  • 大鼠视网膜神经节细胞发育分化及免疫组织化学染色特征

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