[1]叶向彧,王艳,胡颖峰,等.兔眼角膜后弹力层撕除角膜内皮移植术后排斥反应的研究[J].眼科新进展,2017,37(12):1123-1126.[doi:10.13389/j.cnki.rao.2017.0283]
 YE Xiang-Yu,WANG Yan,HU Ying-Feng,et al.Corneal allograft rejection after descemet’s stripping with endothelial keratoplasty in rabbit model[J].Recent Advances in Ophthalmology,2017,37(12):1123-1126.[doi:10.13389/j.cnki.rao.2017.0283]
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兔眼角膜后弹力层撕除角膜内皮移植术后排斥反应的研究/HTML
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《眼科新进展》[ISSN:1003-5141/CN:41-1105/R]

卷:
37卷
期数:
2017年12期
页码:
1123-1126
栏目:
实验研究
出版日期:
2017-12-05

文章信息/Info

Title:
Corneal allograft rejection after descemet’s stripping with endothelial keratoplasty in rabbit model
作者:
叶向彧王艳胡颖峰张嵘
361001 福建省厦门市,厦门大学附属厦门眼科中心(叶向彧);350007 福建省福州市,福州眼科医院(王艳,胡颖峰,张嵘)
Author(s):
YE Xiang-YuWANG YanHU Ying-FengZHANG Rong
Xiamen Eye Center Affiliated Xiamen University(YE Xiang-Yu),Xiamen 361001,Fujian Province,China;Fuzhou Eye Hospital (WANG Yan,HU Ying-Feng,ZHANG Rong),Fuzhou 350007,Fujian Province,China
关键词:
角膜内皮细胞角膜移植排斥反应
Keywords:
corneaendothelial cellskeratoplastyrejection
分类号:
R772
DOI:
10.13389/j.cnki.rao.2017.0283
文献标志码:
A
摘要:
目的 通过高危兔眼模型分析角膜后弹力层撕除角膜内皮移植术后效果及免疫排斥反应特点。方法 根据手术方法的不同将28只兔分成2组:穿透性角膜移植组(PK组)和角膜后弹力层撕除角膜内皮移植组(DSEK组),每组各14只,右眼为手术眼。术后用裂隙灯检查角膜混浊、水肿和新生血管情况,并记录排斥指数(rejection index,RI)和新生血管指数(neovascularization index,NI)。利用HE染色进行病理分析。采用实时荧光定量PCR技术测定各组白细胞介素-2(interleukin-2,IL-2)、IL-10 和血管内皮生长因子(vascular endothelial growth factor,VEGF)mRNA的表达。结果 眼前节检查显示PK组大部分兔眼角膜水肿、混浊及大量新生血管,而DSEK组只有少量兔眼出现角膜混浊水肿。PK组13眼(92.9%)出现排斥反应,明显高于DSEK组的4眼(28.6%),差异有统计学意义(P<0.05)。病理组织切片显示,PK组单核细胞浸润明显高于DSEK组。实时荧光定量PCR检测结果显示,PK组IL-2、IL-10和 VEGF mRNA的表达均明显高于DSEK组。结论 DSEK术后出现免疫排斥反应几率低,且比PK术后排斥反应程度弱,角膜内皮移植术是治疗角膜内皮疾病的一个理想选择。
Abstract:
Objective To analyze the outcome of descemet’s stripping with endothelial keratoplasty (DSEK) in high-risk rabbit model and its immunological rejection.Methods Together 28 rabbits with corneal neovascularization beyond three quadrants were randomly divided into 2 groups (n=14) according to the surgical procedures,and they were penetrating keratoplasty (PK) and DSEK groups,with the right ones chosen as the experimental eyes in all rabbits.The corneal allograft condition (opacity,edema and neovascularization) was examined by the slit lamp biomicroscopy for 8 weeks,and rejection index (RI) and neovascularization index (NI) were recorded.The corneal sections were stained using hematoxylin-eosin for histopathological evaluation.Then IL-2,IL-10 and vascular endothelial growth factor (VEGF) mRNA expression were quantified by RT-PCR.Results Anterior segment photographs showed corneal opacity,edema and neovascularization appeared in most rabbits of PK group,but few rabbits in the DSEK group did not have above complications.The corneal allograft rejection occurred in 13 eyes (92.9%) in PK group,which was significantly higher than that in DSEK group (4 eyes,28.6%%) (P<0.05).Histology examination showed that more mononuclear cell infiltration appeared in PK group,which was more enhanced than that in DSEK group.Moreover,significantly up-regulation expression of IL-2,IL-10 and VEGF mRNA was observed in PK group when compared with DSEK group.Conclusion These results suggest that corneal allograft rejection has less frequency and less severity after DSEK than after PK,suggesting endothelial keratoplasty could be an ideal strategy for the treatment of corneal endothelial disorders.

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备注/Memo

备注/Memo:
福建省自然科学基金青年创新项目(编号:2012D056);厦门市科技局社会发展项目(编号:3502Z20144042)
更新日期/Last Update: 2017-12-08