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    • 3. 发明申请
    • IMMUNOSTIMULATORY VIRAL RNA OLIGONUCLEOTIDES
    • 免疫原性病毒RNA寡核苷酸
    • WO2005097993A2
    • 2005-10-20
    • PCT/US2005/005420
    • 2005-02-18
    • COLEY PHARMACEUTICAL GROUP, INC.COLEY PHARMACEUTICAL GMBHLIPFORD, Grayson, B.FORSBACH, Alexandra
    • LIPFORD, Grayson, B.FORSBACH, Alexandra
    • C12N15/11
    • A61K39/39A61K2039/55561
    • Immunostimulatory sequence-specific RNA oligonucleotides corresponding to 3' terminal sequences of single-stranded minus-sense RNA genomic RNAs are provided. Also provided are compositions and methods relating to an immunostimulatory 4-mer RNA motif provided as 5'-C/U-U-G/U-U-3'. Incorporation of this short RNA motif is sufficient to confer new and altered immunostimulatory properties in new and existing oligonucleotides, including CpG oligodeoxynucleotides. Also provided are methods for use of the immunostimulatory RNA oligonucleotides and DNA:RNA chimeric oligonucleotides of the invention to induce an immune response in vitro and in vivo, as well as to treat allergy, asthma, infection, and cancer in a subject. Single-stranded oligoribonucleotides of the invention are believed to signal through a Toll-like receptor (TLR) chosen from TLR9, TLR8, TLR7, and TLR3. The oligoribonucleotides can also be used in a method to screen for TLR antagonists.
    • 提供了对应于单链负义RNA基因组RNA的3'末端序列的免疫刺激序列特异性RNA寡核苷酸。 还提供了与作为5'-C / U-U-G-U-U-3'提供的免疫刺激性4聚体RNA基序有关的组合物和方法。 引入这种短RNA基序足以在新的和现有的寡核苷酸(包括CpG寡脱氧核苷酸)中赋予新的和改变的免疫刺激性质。 还提供了使用本发明的免疫刺激性RNA寡核苷酸和DNA:RNA嵌合寡核苷酸在体外和体内诱导免疫应答以及治疗受试者中的过敏,哮喘,感染和癌症的方法。 据信本发明的单链寡核糖核苷酸通过选自TLR9,TLR8,TLR7和TLR3的Toll样受体(TLR)发出信号。 寡核糖核苷酸也可用于筛选TLR拮抗剂的方法中。