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    • 2. 发明公开
    • GENE EXPRESSION SYSTEM USING STEALTHY RNA, AND GENE INTRODUCTION/EXPRESSION VECTOR INCLUDING SAID RNA
    • 使用STEALTHY RNA的基因表达系统,以及包含SAID RNA的基因导入/表达载体
    • EP3246406A1
    • 2017-11-22
    • EP16737476.8
    • 2016-01-18
    • National Institute of Advanced Industrial Science and TechnologyTokiwa-bio Inc.
    • NAKANISHI, MahitoIIJIMA, Minoru
    • C12N15/09C12N5/14C12N7/00
    • C12N15/86C07K16/2863C07K16/32C07K16/468C07K2317/14C07K2317/21C07K2317/31C12N5/0696C12N5/14C12N9/127C12N15/09C12N2506/02C12N2510/00C12N2760/18843C12N2800/22C12N2800/70C12N2820/60C12N2830/60C12Y207/07048
    • The present invention enables simultaneous and stable expression of a plurality of foreign genes by using a stealthy RNA gene expression system that is a complex that does not activate the innate immune mechanism and is formed from an RNA-dependent RNA polymerase, a single-strand RNA binding protein, and negative-sense single-strand RNAs including the following (1) to (8): (1) a target RNA sequence that codes for any protein or functional RNA; (2) an RNA sequence forming a noncoding region and derived from mRNA expressed in animal cells; (3) a transcription initiation signal sequence recognized by the RNA-dependent RNA polymerase; (4) a transcription termination signal sequence recognized by the polymerase; (5) an RNA sequence containing a replication origin recognized by the polymerase; (6) an RNA sequence that codes for the polymerase and of which codons are optimized for the species from which an introduction target cell is derived; (7) an RNA sequence that codes for a protein for regulating the activity of the polymerase and of which codons are optimized for the species from which the introduction target cell is derived; and (8) an RNA sequence that codes for the single-strand RNA binding protein and of which codons are optimized for the species from which the introduction target cell is derived.
    • 本发明通过使用隐身RNA基因表达系统能够同时且稳定地表达多种外源基因,所述隐性RNA基因表达系统是不激活先天免疫机制并由RNA依赖性RNA聚合酶,单链RNA形成的复合体 (1)〜(8)的负链单链RNA:(1)编码任何蛋白质或功能性RNA的靶RNA序列; (2)形成非编码区并源自动物细胞中表达的mRNA的RNA序列; (3)由RNA依赖性RNA聚合酶识别的转录起始信号序列; (4)由聚合酶识别的转录终止信号序列; (5)含有由聚合酶识别的复制起点的RNA序列; (6)编码聚合酶的RNA序列,以及针对导入靶细胞来源的物种优化哪些密码子的RNA序列; (7)编码用于调节聚合酶活性的蛋白质的RNA序列,以及针对引入靶细胞来源的物种优化哪些密码子的RNA序列; 和(8)编码单链RNA结合蛋白的RNA序列,以及针对导入靶细胞来源的物种优化了哪些密码子。