自整合障碍因子1在重症肌无力患者胸腺组织中的表达  

Expression of barrier to autointegration factor-1 in thymus of patients with myasthenia gravis

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作  者:李龙腾[1] 金湘东[2] 郭玲霞[3] 董忠生[2] 方华[4] 陈志勇[5] 张清勇[5] 高峰[4] 

机构地区:[1]郑州铁路职业技术学院基础医学教研室, 450052 [2]郑州铁路职业技术学院医学技术系, 450052 [3] 武警河南总队医院军人病区 [4] 郑州大学医药科学研究院神经免疫学研究室 [5] 郑州大学第二附属医院普胸外科

出  处:《中华实验外科杂志》2014年第9期2042-2043,F0004,共3页Chinese Journal of Experimental Surgery

基  金:河南省基础与前沿技术研究计划项目(102300410070);河南省医学科技攻关计划项目(201204121);河南省教育厅科学技术研究重点项目(12A320028、12A320066);郑州铁路职业技术学院科研课题项目(201105516)

摘  要:目的 观察重症肌无力(MG)患者胸腺组织中自整合障碍因子1(BANF-1)的表达,探讨BANF-1与MG胸腺异常的关系.方法 Trizol法提取增生型(30例)、萎缩型(22例)、胸腺瘤型(20例)及正常胸腺(24例)总RNA,实时荧光定量聚合酶链反应(FQ-PCR)检测BANF-1 mRNA含量;免疫组织化学法分析BANF-1蛋白表达.结果 4种胸腺组织类型之间BANF-1 mRNA含量差异有统计学意义(F=3.627,P<0.05).与正常(17.77 ±13.01)、增生型(29.58 ±22.81)和胸腺瘤型(15.99± 16.33)胸腺组织比较,萎缩型胸腺BANF-1基因(54.79 ±35.13)表达增高(P<0.01);免疫组织化学结果显示,MG患者3种类型胸腺组织BANF-1均有表达.结论 BANF-1可能与MG患者异常胸腺的发生有关,尤其与MG胸腺萎缩有关.Objective To observe the expression of barrier to autointegration factor-1 (BANF-1) in thymus tissue of myasthenia gravis (MG) patients,and discuss the relationship between BANF-1 and abnormal thymus of MG.Methods The total RNA was extracted by using Trizol from the thymus tissues of MG patients (30 cases of hyperplasia,22 cases of atrophy,and 20 cases of thymoma) and normal thymus (24 cases).The BANF-1 mRNA expression was detected by real-time fluorescent quantitative polymerase chain reaction (FQ-PCR).The expression of BANF-1 protein was detected by immunohistochemical staining.Results There was significant difference in the BANF-1 expression among four kinds of thymic tissues (F =3.627,P 〈0.05).As compared with normal controls (17.77 ± 13.01),hyperplasia patients (29.58 ±22.81) and thymoma patients (15.99 ± 16.33),the expression of BANF-1 gene in thymus atrophy patients (54.79 ± 35.13) was increased (P 〈 0.01).Immunohistochemistry revealed the expression of BANF-1 in thymic tissues of hyperplasia,atrophy,and thymoma.Conclusion Differences in the expression level of BANF-1 may be related to the pathogenic mechanisms for abnormal thymus of MG patients,especially associated with MG thymus atrophy.

关 键 词:自整合障碍因子1 胸腺 重症肌无力 

分 类 号:R746.1[医药卫生—神经病学与精神病学]

 

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