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    • 1. 发明申请
    • MODIFIED SMALL INTERFERING RNA MOLECULES AND METHODS OF USE
    • 改良的小干扰RNA分子及其使用方法
    • WO2006039656A3
    • 2007-02-01
    • PCT/US2005035493
    • 2005-09-30
    • CHIRON CORPHAN JANGHOUGHTON MICHAEL
    • HAN JANGHOUGHTON MICHAEL
    • A61K48/00A61K31/22A61K31/7105C12N15/113C12Q1/70
    • C12N15/1131A61K38/00C12N2310/14C12N2310/322C12N2310/334C12N2310/335C12N2310/3515
    • The present invention provides double-stranded RNA molecules that mediate RNA interference in target cells, preferably hepatic cells. The invention also provides double-stranded RNA (dsRNA) molecules that are modified to be resistant to nuclease degradation, which inactivates a virus, and more specifically, hepatitis C virus (HCV). The invention also provides a method of using these modified RNA molecules to inactivate virus in mammalian cells and a method of making modified small interfering RNAs (siRNAs) using human Dicer. The invention provides modified RNA molecules that are modified to include a dsRNA or siRNA wherein one or more of the pyrimidines in the RNA molecule are modified to include 2'-Fluorine. The invention also provides dsRNA or siRNA in which all pyrimidines are modified to include a 2'-Fluorine. The invention provides that the 2'-Fluorine dsRNA or siRNA molecule is further modified to include a two base deoxynucleotide "TT" sequence at the 3' end of the molecule.
    • 本发明提供了介导靶细胞,优选肝细胞中的RNA干扰的双链RNA分子。 本发明还提供被修饰为对核酸酶降解具有抗性的双链RNA(dsRNA)分子,其使病毒失活,更具体地,丙型肝炎病毒(HCV)。 本发明还提供了使用这些修饰的RNA分子来灭活哺乳动物细胞中的病毒的方法和使用人Dicer制备修饰的小干扰RNA(siRNA)的方法。 本发明提供经修饰以包括dsRNA或siRNA的修饰的RNA分子,其中RNA分子中的一个或多个嘧啶被修饰为包括2'-氟。 本发明还提供dsRNA或siRNA,其中所有嘧啶被修饰以包括2'-氟。 本发明提供了2'-氟dsRNA或siRNA分子被进一步修饰,以在分子的3'端包括两碱基脱氧核苷酸“TT”序列。
    • 4. 发明申请
    • MODIFIED SMALL INTERFERING RNA MOLECULES AND METHODS OF USE
    • 改良的小干扰RNA分子及其使用方法
    • WO2006039656A9
    • 2006-06-22
    • PCT/US2005035493
    • 2005-09-30
    • CHIRON CORPHAN JANGHOUGHTON MICHAEL
    • HAN JANGHOUGHTON MICHAEL
    • C12N15/113
    • C12N15/1131A61K38/00C12N2310/14C12N2310/322C12N2310/334C12N2310/335C12N2310/3515
    • The present invention provides double-stranded RNA molecules that mediate RNA interference in target cells, preferably hepatic cells. The invention also provides double-stranded RNA (dsRNA) molecules that are modified to be resistant to nuclease degradation, which inactivates a virus, and more specifically, hepatitis C virus (HCV). The invention also provides a method of using these modified RNA molecules to inactivate virus in mammalian cells and a method of making modified small interfering RNAs (siRNAs) using human Dicer. The invention provides modified RNA molecules that are modified to include a dsRNA or siRNA wherein one or more of the pyrimidines in the RNA molecule are modified to include 2'-Fluorine. The invention also provides dsRNA or siRNA in which all pyrimidines are modified to include a 2'-Fluorine. The invention provides that the 2'-Fluorine dsRNA or siRNA molecule is further modified to include a two base deoxynucleotide "TT" sequence at the 3' end of the molecule.
    • 本发明提供了介导靶细胞,优选肝细胞中的RNA干扰的双链RNA分子。 本发明还提供被修饰为对核酸酶降解具有抗性的双链RNA(dsRNA)分子,其使病毒失活,更具体地,丙型肝炎病毒(HCV)。 本发明还提供了使用这些修饰的RNA分子来灭活哺乳动物细胞中的病毒的方法和使用人Dicer制备修饰的小干扰RNA(siRNA)的方法。 本发明提供经修饰以包括dsRNA或siRNA的修饰的RNA分子,其中RNA分子中的一个或多个嘧啶被修饰为包括2'-氟。 本发明还提供dsRNA或siRNA,其中所有嘧啶被修饰以包括2'-氟。 本发明提供了2'-氟dsRNA或siRNA分子被进一步修饰,以在分子的3'端包括两碱基脱氧核苷酸“TT”序列。