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    • 9. 发明公开
    • microRNA-143 DERIVATIVE
    • EP3444345A1
    • 2019-02-20
    • EP17782473.7
    • 2017-04-13
    • Shionogi & Co., Ltd.
    • AKAO, YukihiroKITADE, YukioSEKIGUCHI, MitsuakiMITSUOKA, YasunoriKUGIMIYA, AkiraSASAKI, Yasuo
    • C12N15/09A61K31/713A61K48/00A61P35/00C12N15/113
    • The purpose of the present invention is to provide novel miR-143 derivatives described herein that can be used as oligonucleotide therapeutics.
      A microRNA-143 derivative wherein
      the first strand is an oligonucleotide consisting of
      a sequence of SEQ ID NO: 3; or
      a sequence in which one or two bases are substituted, deleted, inserted or added to the sequence of SEQ ID NO: 3 and
      does not include a 3'-end modification, but may include a 5'-end modification; and
      the second strand is an oligonucleotide consisting of
      a sequence of SEQ ID NO: 4 or
      a sequence in which one or two bases are substituted, deleted or inserted to the sequence of SEQ ID NO: 4 and
      includes a 3'-end modification, and may include a 5'-end modification;
      or
      a sequence of SEQ ID NO: 5 or
      a sequence in which one or two bases are substituted or inserted to the sequence of SEQ ID NO: 5 and
      does not include a 3'-end modification, and may include a 5'-end modification;
      wherein
      the 3'-end modification is a 1 to 5-mer oligonucleotide derivative which may include a nucleoside derivative(s) and/or modified internucleoside linkage(s) or a benzene-pyridine derivative and
      the 5'-end modification is a phosphate ester moiety or a group of the formula: =CQ 1 - P(=O)(OH) 2 , wherein Q 1 is hydrogen, halogen, substituted or unsubstituted alkyl,
      substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl, or
      substituted or unsubstituted alkyloxy.