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Somatic transgenesis by immunoglobulin genes

机译:免疫球蛋白基因的体细胞转基因

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In this chapter we describe and discuss somatic transgenesis produced in adult immunocompetent mice using plasmid DNA containing immunoglobulin genes under control of tissue-specific regulatory elements. We review our experience to date and discuss the findings in relation to the known rules for intracellular usage of immunoglobulin genes in activated and differentiated B cells. Because immunoglobulin genes are controlled by B lymphocytes specific promoter and enhancer elements, somatic transgenesis is a new approach to selective targeting of B lymphocytes in vivo for transcription and long-term expression of exogenous immunoglobulin genes. Owing to the fact that transgenic immunoglobulins synthesized and secreted in vivo are immunogenic for the host and that immunoglobulin genes can be engineered to code for heterologous epitopes, ligands or receptors, somatic transgenesis offers unique features for the development of new strategies of DNA-based immunization and gene therapy.
机译:在本章中,我们描述和讨论在成年免疫能力强的小鼠中使用组织特异性调节元件控制下的含有免疫球蛋白基因的质粒DNA产生的体细胞转基因。我们回顾了迄今为止的经验,并讨论了有关激活和分化B细胞中免疫球蛋白基因在细胞内使用的已知规则的发现。因为免疫球蛋白基因受B淋巴细胞特异性启动子和增强子元件的控制,所以体细胞转基因是在体内选择性靶向B淋巴细胞以转录和长期表达外源性免疫球蛋白基因的新方法。由于体内合成和分泌的转基因免疫球蛋白对宿主具有免疫原性,并且可以对免疫球蛋白基因进行改造以编码异源表位,配体或受体,因此体细胞转基因为开发基于DNA的免疫新策略提供了独特的功能和基因疗法。

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