Abstract: One aspect of the present invention relates to a small circular interfering RNA (sciRNA) comprising a sense strand and an antisense strand, each of said sense and antisense strands comprising at least one nucleic acid modification, optionally wherein the sense strand has a circular or substantially circular structure. Other aspects of the invention relate a pharmaceutical composition and a method for inhibiting the expression of a target gene in a subject using the sciRNA.

Abstract: The present invention relates to chirally controlled oligonucleotides, chirally controlled oligonucleotide compositions, and the method of making and using the same. The invention specifically encompasses the identification of the source of certain problems with prior methodologies for preparing chiral oligonucleotides, including problems that prohibit preparation of fully chirally controlled compositions, particularly compositions comprising a plurality of oligonucleotide types. In some embodiments, the present invention provides chirally controlled oligonucleotide compositions. In some embodiments, the present invention provides methods of making chirally controlled oligonucleotides and chirally controlled oligonucleotide compositions.

Abstract: The present invention relates, in general to agents that modulate the pharmacological activity of siRNAs. In addition, the invention relates generally to methods and systems for use in assessing the efficacy and safety of a pharmaceutical composition for use in the treatment or prophylaxis of a disease.

Abstract: One aspect of the present invention relates to a compound comprising an antisense strand which is complementary to a target gene; a sense strand which is complementary to said antisense strand; and one or more lipophilic monomers, containing one or more lipophilic moieties, conjugated to one or more positions on at least one strand, optionally via a linker or carrier. Another aspect of the invention relates to a method of gene silencing, comprising administering to a cell or a subject in need thereof a therapeutically effective amount of the lipophilic monomer-conjugated compound.

Abstract: The present invention relates, in general to agents that modulate the pharmacological activity of conjugated siRNAs.

Abstract: The present disclosure relates generally to cleavable linkers and uses thereof.

Abstract: The present invention relates, in general to agents that modulate the pharmacological activity of conjugated siRNAs.

Abstract: The present invention relates, in general to, compounds, compositions and methods useful for modulating gene expression of multiple target nucleic acids by a single chemical entity.

Abstract: The present disclosure relates generally to cleavable linkers and uses thereof.

Abstract: The present invention relates, in general to, compounds, compositions and methods useful for modulating gene expression of multiple target nucleic acids by a single chemical entity.

Abstract: The present invention relates to chirally controlled oligonucleotides, chirally controlled oligonucleotide compositions, and the method of making and using the same. The invention specifically encompasses the identification of the source of certain problems with prior methodologies for preparing chiral oligonucleotides, including problems that prohibit preparation of fully chirally controlled compositions, particularly compositions comprising a plurality of oligonucleotide types. In some embodiments, the present invention provides chirally controlled oligonucleotide compositions. In some embodiments, the present invention provides methods of making chirally controlled oligonucleotides and chirally controlled oligonucleotide compositions.

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.

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.

Abstract: The present invention relates to chirally controlled oligonucleotides, chirally controlled oligonucleotide compositions, and the method of making and using the same. The invention specifically encompasses the identification of the source of certain problems with prior methodologies for preparing chiral oligonucleotides, including problems that prohibit preparation of fully chirally controlled compositions, particularly compositions comprising a plurality of oligonucleotide types. In some embodiments, the present invention provides chirally controlled oligonucleotide compositions. In some embodiments, the present invention provides methods of making chirally controlled oligonucleotides and chirally controlled oligonucleotide compositions.

Abstract: The present disclosure relates generally to cleavable linkers and uses thereof.

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.

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.

Abstract: The present invention provides nucleosides and oligonucleotides comprising a 5? phosphate mimics of formula (IVc) or (Vc), One aspect of the present invention relates to modified nucleosides and oligonucleotides comprising such dinucleotide of formula (Ia). Another aspect of the invention relates to a method of inhibiting the expression of a gene in call, the method comprising (a) contacting an oligonucleotide of the invention with the cell; and (b) maintaining the cell from step (a) for a time sufficient to obtain degradation of the mRNA of the target gene.

Abstract: One aspect of the present invention relates to double-stranded RNAi (dsRNA) duplex agent capable of inhibiting the expression of a target gene in vivo. The dsRNA duplex comprises one or more 4?-modifications in one or both strand. Other aspects of the invention relates to pharmaceutical compositions comprising these dsRNA agents suitable for in vivo therapeutic use, and methods of inhibiting the expression of a target gene by administering these dsRNA agents, e.g., for the treatment of various disease conditions.

Abstract: The present invention relates, in general to, compounds, compositions and methods useful for modulating gene expression of multiple target nucleic acids by a single chemical entity.