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    • 5. 发明申请
    • DELIVERY OF RNAI CONSTRUCTS TO OLIGODENDROCYTES
    • 将RNAI结构递送到寡糖脱乙酰壳多糖
    • US20110118340A1
    • 2011-05-19
    • US12866444
    • 2009-02-06
    • Muthiah ManoharanKallanthottathil G. RajeevDinah SahWilliam QuerbesPamela TanQingmin Chen
    • Muthiah ManoharanKallanthottathil G. RajeevDinah SahWilliam QuerbesPamela TanQingmin Chen
    • A61K31/7088A61P31/12A61P25/00A61P25/18A61P25/16A61P25/28
    • C12N15/1131A61K47/551A61K47/554C12N15/111C12N2310/14C12N2310/315C12N2310/321C12N2310/3515C12N2320/11C12N2320/32C12N2310/3521
    • The invention provides methods for delivering a double-stranded nbonucleic acid (dsRNA) to the central nervous system of a subject, and particularly, to oligodendrocytes of a subject by localized delivery to the brain, e.g., to the corpus caïlosum. For example, the dsRNA molecules can include a first sequence that is selected from the Sroup consisting of the sense sequences of Tables 8, 10, 13-16, and a second sequence selected from the group consisting of the antisense sequences of Tables 8, 10, and 13-16. The dsRNA molecules can include naturally occurring nucleotides or can include at least one modified nucleotide, such as a 2′-O-methyl modified nucleotide, a nucleotide comprising a 5′-phosphorothioate group, or a terminal nucleotide linked to a conjugate group, such as to a cholesteryl derivative or a vitamin E group. Alternatively, the modified nucleotide may be chosen from the group consisting of a 2f-deoxy-2′-fliιioro modified nucleotide, a 2′-de-oxy-modified nucleotide, a locked nucleotide, an abasic nucleotide, 2′-amino-modified nucleotide, 2′-alkyl-modified nucleotide, morpholino nucleotide, a phosphoramidate, and a non-natural bas comprising nucleotide. Generally, such modified sequences will be based on a first sequence of a dsRNA selected from the group consisting of the sense sequences of Tables 8, 10, and 13-16, and a second sequence selected from the group consisting of the antisense sequences of Tables 8 10, and 13-16.
    • 本发明提供了将双链核糖核酸(dsRNA)递送到受试者的中枢神经系统,特别是通过局部递送至脑的例如对胼the体的受试者的少突胶质细胞的方法。 例如,dsRNA分子可以包括选自由表8,10,13-16的有义序列组成的组的第一序列和选自表8,10的反义序列的第二序列 ,和13-16。 dsRNA分子可以包括天然存在的核苷酸,或者可以包括至少一个修饰的核苷酸,例如2'-O-甲基修饰的核苷酸,包含5'-硫代磷酸酯基团的核苷酸或与缀合物连接的末端核苷酸, 关于胆固醇衍生物或维生素E组。 或者,修饰的核苷酸可以选自2f-脱氧-2'-氟修饰的核苷酸,2'-脱氧修饰的核苷酸,锁定的核苷酸,无碱基的核苷酸,2'-氨基修饰的 核苷酸,2'-烷基修饰的核苷酸,吗啉代核苷酸,氨基磷酸酯和包含核苷酸的非天然碱基。 通常,这样的修饰序列将基于选自表8,10和13-16的有义序列的dsRNA的第一序列和选自下表的反义序列的第二序列 8 10和13-16。