This disclosure relates to modified guide RNAs having improved in vitro and in vivo activity in gene editing methods.

The present disclosure provides compositions and methods that inhibit the activity of microRNAs, for example miR-22.

The disclosure relates to double stranded ribonucleic acid (dsRNAi) agents and compositions targeting a SOD1 gene, as well as methods of inhibiting expression of a SOD1 gene and methods of treating subjects having a SOD1-associated neurodegenerative disease or disorder, e.g., Amyotrophic Lateral Sclerosis (ALS), Alzheimer's disease (AD), Parkinson's disease (PD), and Down's syndrome (DS), using such dsRNAi agents and compositions.

The present invention is related to a nucleic acid molecule capable of binding to human C5a, wherein the nucleic acid molecule comprises a central stretch of nucleotides, wherein the central stretch of nucleotides comprises a nucleotide sequence of 5′ AUGn.sub.1GGUGKUn.sub.2n.sub.3RGGGHUGUKGGGn.sub.4Gn.sub.5CGACGCA 3′ [SEQ ID NO: 61], wherein n.sub.1 is U or dU, n.sub.2 is G or dG, n.sub.3 is A or dA, n.sub.4 is U or dU, n.sub.5 is U or dU and G, A, U, C, H, K, and R are ribonucleotides, and dU, dG and dA are 2′-deoxyribonucleotides.

Therapeutic oligonucleotides comprising pharmacokinetic (PK)-modifying anchors are provided. Methods for treating diseases or disorders comprising administering to a subject a therapeutic oligonucleotide comprising one or more PK-modifying anchors are provided.

The present disclosure provides antisense compounds, methods, and compositions for silencing ADAM33 mRNA. The present disclosure provides antisense compounds, methods, and compositions for the treatment, prevention, or amelioration of diseases, disorders, and conditions associated with ADAM33 in a subject in need thereof. Also contemplated are antisense compounds and methods for the preparation of a medicament for the treatment, prevention, or amelioration of a disease, disorder, or condition associated with ADAM33.

Compositions and methods for editing, e.g., introducing double-stranded breaks, within the TTR gene in combination with administration of a corticosteroid are provided. Compositions and methods for treating subjects having amyloidosis associated with transthyretin (ATTR), in which a guide RNA and a corticosteroid are administered, are provided.

The invention relates to a double-stranded ribonucleic acid (dsRNA) targeting a G-alpha q subunit (GNAQ) of a heterotrimeric G gene, and methods of using the dsRNA to inhibit expression of GNAQ.

The present invention relates to RNAi agents, e.g., double stranded RNA (dsRNA) agents, targeting the Angiopoietin-like 3 (ANGPTL3) gene. The invention also relates to methods of using such RNAi agents to inhibit expression of an ANGPTL3 gene and to methods of preventing and treating an ANGPTL3-associated disorder, e.g., a disorder of lipid metabolism, such as hyperlipidemia or hypertriglyceridemia.

The disclosure relates, in some aspects, to methods and compositions for targeting chemically-modified double stranded nucleic acid molecules to a site of interest, such as the liver. In some embodiments, compositions and methods described by the disclosure are useful for treating hepatic cancers or other liver diseases.