【摘要】 背景:目前Fas和Bcl-2基因在重症肌无力发病机制中的作用越来越受到重视,国内外已做了较多的研究,阐明调控Fas和Bcl-2基因的表达对重症肌无力发生及其疾病过程中的治疗均具有密切的关系。资料来源:应用计算机检索Medline数据库1990-01/2004-12期间的相关文献,检索词为“Fas”,“Bcl-2”,“MyastheniaGravis”及“gene”分别组合进行检索,限定文章语言种类为English。资料选择:对资料进行初审,选取包括上述Fas和Bcl-2与重症肌无力的文献,以及有关Fas和Bcl-2基因及基因治疗方面的文献,并且查找全文。资料提炼:搜集到大量介绍Fas和Bcl-2基因的文献,21篇有关Fas和Bcl-2与重症肌无力的文献以及32篇重症肌无力有关基因治疗方面的文献,选取有代表性的20篇文章纳入分析。资料综合:20篇文献中有8篇关于Fas基因及重症肌无力,5篇关于Bcl-2基因及重症肌无力,7篇关于基因手段治疗重症肌无力及免疫性疾病。结论:Fas和Bcl-2基因调节异常、表达失控与T淋巴细胞、胸腺细胞凋亡缺陷密切相关,与重症肌无力发病密切相关,从基因水平揭示重症肌无力的发病机制在基因水平诱导细胞凋亡以抑制自身抗体产生,将为重症肌无力的治疗提供新的手段。更多还原

【Abstract】 OBJECTIVE: At present the function of Fas and Bcl-2 gene in the pathogenesis of myasthenia gravis has gained more attention and more studies have been extensively made inside and outside, to investigate the modulation of Fas and Bcl-2 gene expression is of extremely significance for exploring the pathogenesis and treatment of myasthenia gravis. DATA SOURCE: The related articles published in English from January 1990 to December 2004 were computer searched in Medline database using the terms of "Fas", "Bcl-2", "Myasthenia Gravis" and "gene". STUDY SELECTION: The data were identified preliminarily and literatures on the relationship between Fas and Bcl-2 gene and myasthenia gravis, as well as on Fas and Bcl-2 gene and genotherapy were remained for searching the full content. DATA EXTRACTION: A great deal of literatures about Fas and Bcl-2 gene were searched, 21 of which were studies on Fas and Bcl-2 gene and myasthenia gravis, and 32 on myasthenia gravis related genotherapy. A total of 20 representative articles were selected for analysis in this study. DATA SYNTHESIS: Eight out of 20 literatures were about the relationship between Fas gene and myasthenia gravis, 5 about the Bcl-2 gene and myasthenia gravis, 7 about the genotherapy in the treatment of myasthenia gravis and immune diseases. CONCLUSION: Abnormal Fas and Bcl-2 gene modulation and uncontrollable expression were closely associated with apoptosis defect of T lymphocyte and thymocytes, and even closely related to the pathogenesis of myasthenia gravis. To explore pathogenesis of myasthenia gravis at gene level by inducing cell apoptosis and depressing self-antibody production, would provide new means for the treatment of myasthenia gravis.更多还原