CHIRAL DESIGN
    21.
    发明申请

    公开(公告)号:US20210115444A1

    公开(公告)日:2021-04-22

    申请号:US17016313

    申请日:2020-09-09

    Abstract: The present invention relates to chirally controlled oligonucleotides of select designs, chirally controlled oligonucleotide compositions, and methods of making and using the same. In some embodiments, a provided chirally controlled oligonucleotide composition provides different cleavage patterns of a nucleic acid polymer than a reference oligonucleotide composition. In some embodiments, a provided chirally controlled oligonucleotide composition provides single site cleavage within a complementary sequence of a nucleic acid polymer.

    OLIGONUCLEOTIDE COMPOSITIONS AND METHODS THEREOF

    公开(公告)号:US20210032620A1

    公开(公告)日:2021-02-04

    申请号:US16636902

    申请日:2018-08-07

    Abstract: Among other things, the present disclosure provides oligonucleotides, compositions, and methods thereof. Among other things, the present disclosure encompasses the recognition that structural elements of oligonucleotides, such as base sequence, chemical modifications (e.g., modifications of sugar, base, and/or internucleotidic linkages) or patterns thereof, conjugation with additional chemical moieties, and/or stereochemistry [e.g., stereochemistry of backbone chiral centers (chiral internucleotidic linkages)], and/or patterns thereof, can have significant impact on oligonucleotide properties and activities, e.g., knockdown ability, stability, delivery, etc. In some embodiments, the oligonucleotides decrease the expression, activity and/or level of a C9orf72 gene, including but not limited to, one comprising a repeat expansion, or a gene product thereof. In some embodiments, the present disclosure provides methods for treatment of diseases using provided oligonucleotide compositions, for example, in treatment of C9orf72-related disorders.

    Chiral design
    23.
    发明授权

    公开(公告)号:US10815482B2

    公开(公告)日:2020-10-27

    申请号:US16109638

    申请日:2018-08-22

    Abstract: The present invention relates to chirally controlled oligonucleotides of select designs, chirally controlled oligonucleotide compositions, and methods of making and using the same. In some embodiments, a provided chirally controlled oligonucleotide composition provides different cleavage patterns of a nucleic acid polymer than a reference oligonucleotide composition. In some embodiments, a provided chirally controlled oligonucleotide composition provides single site cleavage within a complementary sequence of a nucleic acid polymer.

    OLIGONUCLEOTIDE COMPOSITIONS AND METHODS THEREOF

    公开(公告)号:US20200080083A1

    公开(公告)日:2020-03-12

    申请号:US16551503

    申请日:2019-08-26

    Abstract: Among other things, the present disclosure relates to chirally controlled oligonucleotides of select designs, chirally controlled oligonucleotide compositions, and methods of making and using the same. In some embodiments, a provided chirally controlled oligonucleotide composition provides different cleavage patterns of a nucleic acid polymer than a reference oligonucleotide composition. In some embodiments, a provided chirally controlled oligonucleotide composition provides single site cleavage within a complementary sequence of a nucleic acid polymer. In some embodiments, a chirally controlled oligonucleotide composition has any sequence of bases, and/or pattern or base modifications, sugar modifications, backbone modifications and/or stereochemistry, or combination of these elements, described herein.

    Methods for the synthesis of functionalized nucleic acids

    公开(公告)号:US10280192B2

    公开(公告)日:2019-05-07

    申请号:US15941494

    申请日:2018-03-30

    Abstract: The present application, among other things, provides technologies, e.g., reagents, methods, etc. for preparing oligonucleotides comprising phosphorothiotriesters linkages. In some embodiments, provided methods comprise reacting an H-phosphonate of structure Ia or Ib with a silylating reagent to provide a silyloxyphosphonate, and reacting the silyloxyphosphonate with a thiosulfonate reagent of structure IIa or IIb to provide an oligonucleotide of structure IIIa or IIIb. In some embodiments, provided methods comprise reacting an H-phosphonate of structure Ic with a silylating reagent to provide a silyloxyphosphonate, reacting the silyloxyphosphonate with a bis(thiosulfonate) reagent of structure IVc to provide a phosphorothiotriester comprising a thiosulfonate group of structure Vc, and then reacting the phosphorothiotriester comprising a thiosulfonate group of structure Vc with a nucleophile of structure VIc to provide an oligonucleotide of structure IIIc. In some embodiments, the present application provides a thiosulfonate reagent of structure IIa:

    CHIRAL DESIGN
    30.
    发明申请
    CHIRAL DESIGN 审中-公开

    公开(公告)号:US20190106696A1

    公开(公告)日:2019-04-11

    申请号:US16109638

    申请日:2018-08-22

    Abstract: The present invention relates to chirally controlled oligonucleotides of select designs, chirally controlled oligonucleotide compositions, and methods of making and using the same. In some embodiments, a provided chirally controlled oligonucleotide composition provides different cleavage patterns of a nucleic acid polymer than a reference oligonucleotide composition. In some embodiments, a provided chirally controlled oligonucleotide composition provides single site cleavage within a complementary sequence of a nucleic acid polymer.

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