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颈淋巴结切除术抑制碱烧伤后角膜移植免疫排斥反应的实验研究

Experimental study on cervical lymph nodes removal enhance allograft survival in alkali-burned cornea

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机构: [1]Department of Ophthalmology, Guangzhou Children Hospittal, Guangzhou 510120,Guangdong Privince, China [2]Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, Guangdong Province, China [3]Department ofOphthalmology, the SecondAffiliatedHospital of Jinan University, Shenzhen People's Hospital, Shenzhen 518020, Guangdong Province, China [4]Department of Ophthalmology,the Affiliated First Hospital of Kunming Medical College,Kumning 650032, Yunnan Province, China
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关键词: 碱烧伤 抑制 角膜移植 排斥 淋巴结切除术

摘要:
目的:探讨颈淋巴结切除术对碱烧伤后角膜移植免疫排斥反应的抑制作用.方法:建立大鼠同种异体角膜移植模型,SD鼠为受体,Wistar鼠为供体,受体鼠再随机分为A,B,C,D四组,A组为对照组,B组为颈淋巴结切除组,C组为碱烧伤后角膜移植组,D组为碱烧伤后角膜移植合并颈浅淋巴结切除组.每组均为6只,其中1只于术后14d行植片的巨噬细胞免疫组化染色.其余5只通过裂隙灯观察角膜免疫排斥的状况,检测并比较各组植片平均存活时间(mean survival time,MST).结果:各组MST分别是10.40±1.14d;46.30±9.46d:7.00±1.58d和15.00±3.39d.B组MST较A组明显延长(P<0.05),而D组MST较C组明显延长,差异具有显著性意义(P<0.05).角膜移植后14d.B组植片中无CD68阳性细胞出现,A组和D组植片中有不同程度的CD68阳性的巨噬细胞浸润,而C组植片中CD68呈强阳性表达.结论:颈淋巴结切除术能有效抑制正常及碱烧伤后角膜移植术后的免疫排斥反应.

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第一作者机构: [1]Department of Ophthalmology, Guangzhou Children Hospittal, Guangzhou 510120,Guangdong Privince, China [2]Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, Guangdong Province, China [*1]Department of Ophthalmology, Guangzhou Children Hospital, Guangzhou 510120, Guangdong Province, China
通讯作者:
通讯机构: [1]Department of Ophthalmology, Guangzhou Children Hospittal, Guangzhou 510120,Guangdong Privince, China [2]Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, Guangdong Province, China [*1]Department of Ophthalmology, Guangzhou Children Hospital, Guangzhou 510120, Guangdong Province, China
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