Abstract: What is described herein are cationic lipids that facilitate the intracellular delivery of biologically active molecules, comprising a compound of formula I wherein R1 is a linear alkyl, alkenyl, or alkynyl of 2 to 12 carbons, or a branched alkyl with 7-25 R2 is a branched alkenyl with 7-25 carbons, L1 and L2 are independently a linear alkenylene with 2-18 carbons, X is S or O, L3 is a bond, and R3 R4, and R5 are each a linear or branched alkylene with 1-6 carbons.

Abstract: What is described is a compound of formula I consisting of a compound in which R1 is a branched chain alkyl consisting of 10 to 31 carbons; R2 is a linear alkyl, alkenyl, or alkynyl consisting of 2 to 20 carbons; L1 and L2 are the same or different, each a linear alkylene of 1 to 20 carbons or a linear alkenylene of 2 to 20 carbons; X1 is S or O; R3 is a linear or branched alkylene consisting of 1 to 6 carbons; and R4 and R5 are the same or different, each a hydrogen or a linear or branched alkyl consisting of 1 to 6 carbons; or a pharmaceutically acceptable salt thereof.

Abstract: This invention encompasses compounds, structures, compositions and methods for therapeutic guide molecules that direct CRISPR gene editing. A guide molecule for directing gene editing can be allele selective, or disease allele selective, and can exhibit reduced off target activity. A guide molecule can be composed of monomers, including UNA monomers, nucleic acid monomers, and modified nucleotides, wherein the compound is targeted to a genomic DNA. The guide molecules of this invention can be used as active ingredients for editing or disrupting a gene in vitro, ex vivo, or in vivo.

Abstract: What is described is a compound of formula I wherein X is an alkylene or an alkenylene; Y is a monocyclic, bicyclic, or tricyclic arene or heteroarene; Z is S or O; L is a linear or branched alkylene of 1 to 6 carbons; R1 is a branched alkyl or alkenyl of 1 to 25 carbons; R2 is a alkyl or alkenyl of 1 to 20 carbons; R3 and R4 are independently a linear or branched alkyl of 1 to 6 carbons; n is 0 to 6; and m, p, q, and r are independently 1-18; or a pharmaceutically acceptable salt thereof.

Abstract: What is described is a compound wherein R1 and R2 are the same or different, each a linear or branched alkyl consisting of 1 to 20 carbons, or a linear or branched alkenyl or alkynyl consisting of 2 to 20 carbons; L1 and L2 are the same or different, each a bond, a linear alkylene of 1-18 carbons, or a linear alkenylene consisting of 2 to 18 carbons; L3 is a bond or a linear or branched alkylene consisting of 1 to 6 carbons; L4 is a bond or a methylene; X is S or O, R3 is a linear or branched alkylene consisting of 1 to 6 carbons, and R4 and R5 are the same or different, each a hydrogen or a linear or branched alkyl consisting of 1 to 6 carbons; or a pharmaceutically acceptable salt thereof.

Abstract: This invention provides expressible polynucleotides, which can express a target protein or polypeptide. Synthetic mRNA constructs for producing a protein or polypeptide can contain one or more 5? UTRs, where a 5? UTR may be expressed by a gene of a plant. In some embodiments, a 5? UTR may be expressed by a gene of a member of Arabidopsis genus. The synthetic mRNA constructs can be used as pharmaceutical agents for expressing a target protein or polypeptide in vivo.

Abstract: This invention encompasses compounds and compositions useful in methods for medical therapy, in general, for inhibiting Hepatitis B virus in a subject. The compounds have a first strand and a second strand, each of the strands being 19-29 monomers in length, the monomers comprising UNA monomers and nucleic acid monomers, and the compounds are targeted to a sequence of an HBV genome.

Abstract: This invention provides UNA oligomers for gene silencing with reduced off-target effects. The UNA oligomers can have a first strand and a second strand, each of the strands being 19-29 monomers in length, the monomers being UNA monomers and various nucleic acid monomers. Embodiments include pharmaceutical compositions and methods for treating or preventing TTR-related amyloidosis with reduced off-target effects by administering a UNA oligomer to a subject.

Abstract: A range of therapeutic mRNA molecules expressible to provide a target polypeptide or protein. The RNA molecules can contain one or more 5-methoxyuridines and 5-methylcytidines. Further provided are DNA templates, which can be transcribed to provide a target mRNA, and can have altered nucleotides, such as reduced deoxyadenosines. This invention also provides processes for making the therapeutic mRNA molecules. The RNA molecules can be translated in vitro or in vivo to provide an active polypeptide or protein.

Abstract: What is described is a compound wherein R1 and R2 are the same or different, each a linear or branched alkyl consisting of 1 to 20 carbons, or a linear or branched alkenyl or alkynyl consisting of 2 to 20 carbons; L1 and L2 are the same or different, each a bond, a linear alkylene of 1-18 carbons, or a linear alkenylene consisting of 2 to 18 carbons; L3 is a bond or a linear or branched alkylene consisting of 1 to 6 carbons; L4 is a bond or a methylene; X is S or O, R3 is a linear or branched alkylene consisting of 1 to 6 carbons, and R4 and R5 are the same or different, each a hydrogen or a linear or branched alkyl consisting of 1 to 6 carbons; or a pharmaceutically acceptable salt thereof.

Abstract: What is described is a method of synthesis of the compound of formula 1A, or a salt thereof, wherein R3 is a linear or branched alkene of 1, 2, 3, 4, 5 or 6 carbons; R4 and R5 are the same or different, each a hydrogen, or a linear or branched alkyl of 1, 2, 3, 4, 5 or 6 carbons; and L3 is a bond or an alkane of 1, 2, 3, 4, 5 or 6 carbons.

Abstract: What is described is a compound of formula I consisting of a compound in which R1 is a branched chain alkyl consisting of 10 to 31 carbons; R2 is a linear alkyl, alkenyl, or alkynyl consisting of 2 to 20 carbons, or a branched chain alkyl consisting of 10 to 31 carbons; L1 and L2 are the same or different, each a linear alkane of 1 to 20 carbons or a linear alkene of 2 to 20 carbons; X1 is S or O; R3 is a linear or branched alkylene consisting of 1 to 6 carbons; and R4 and R5 are the same or different, each a hydrogen or a linear or branched alkyl consisting of 1 to 6 carbons; or a pharmaceutically acceptable salt thereof.

Abstract: What is described is a compound of formula I wherein R1 is a linear alkyl, alkenyl, or alkynyl of 2 to 12 carbons, or a branched alkyl with 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, or 7 carbons, R2 is a branched alkyl with 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, or 7 carbons, L1 and L2 are independently a linear alkylene with 1-18 carbons or alkenylene with 2-18 carbons, X is S or O, L3 is a bond or an alkylene with 1 to 6 carbons, R3 is an alkylene with 1 to 6 carbons, and R4 and R5 are the same or different, each a linear or branched alkyl with 1 to 6 carbons; or a pharmaceutically acceptable salt thereof.

Abstract: What is described is a compound of formula I consisting of a compound in which R1 is a branched chain alkyl consisting of 10 to 31 carbons; R2 is a linear alkyl, alkenyl, or alkynyl consisting of 2 to 20 carbons; L1 and L2 are the same or different, each a linear alkylene of 1 to 20 carbons or a linear alkenylene of 2 to 20 carbons; X1 is S or O; R3 is a linear or branched alkylene consisting of 1 to 6 carbons; and R4 and R5 are the same or different, each a hydrogen or a linear or branched alkyl consisting of 1 to 6 carbons; or a pharmaceutically acceptable salt thereof.

Abstract: This invention encompasses compounds and compositions useful in methods for medical therapy, in general, for inhibiting expression of a TTR gene in a subject. The compounds have a first strand and a second strand, the monomers comprising UNA monomers and nucleic acid monomers, and the compounds are targeted to a sequence of a TTR gene.

Abstract: This invention provides UNA oligomers for selectively inhibiting V30M TTR expression, which can be used in treating amyloidosis. The UNA oligomers can have a first strand and a second strand, each of the strands being 19-29 monomers in length, the monomers being UNA monomers and nucleic acid monomers. Embodiments include pharmaceutical compositions and methods for treating or preventing TTR-related amyloidosis by administering a UNA oligomer to a subject.

Abstract: This invention provides pharmaceutical compositions containing a UNA oligomer targeted to TTR and a pharmaceutically acceptable carrier. The compositions can be used in methods for treating or preventing TTR-related amyloidosis in a primate. The compositions, upon administering a single dose to the primate, can reduce TTR protein in the primate for a period of days to weeks.

Abstract: Described herein is a compound having the structure of formula I, II, or III, wherein R comprises a double stranded RNA molecule, and L1, L2, and L3 independently for each occurrence comprise a ligand selected from the group consisting of a carbohydrate, a cholesteryl, or a peptide; a pharmaceutically accepted salt or pharmaceutical composition thereof; and a method of making the compound.

Abstract: What is described is a compound having the formula wherein R1 is branched alkyl of the structure (CH3(CH2)m)2CH—, wherein m is 2 or 3; R2 is a linear alkyl of 1, 2, 3, 4, 5, 6, 7, 8, or 9 carbons, a branched alkyl of 3, 4, 5, 6, 7, 8, or 9 carbons, or an alkenyl or alkynyl of 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11 carbons; R3 is —(CH2)p—, wherein p is 2, 3, 4, 5 or 6; R4 and R5 are the same or different, each a hydrogen, or a linear or branched alkyl of 1, 2, 3, 4, 5 or 6 carbons; L1 and L2 are the same or different, of the structure —(CH2)n—, wherein n is 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, or 18; L3 is a bond; X1 is —CO—O— whereby -L2-CO—O—R2 is formed; X2 is S or O; and X3 is —CO—O— whereby -L1-CO—O—R1 is formed; and wherein m+n+p is 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, or 27; or a pharmaceutically acceptable salt thereof.

Abstract: What is described is a trinucleotide cap analog comprising m7G(5?)p3-N1pN2 for increased efficiency of in vitro transcription of m7G(5?)p3-RNA, wherein m7G is N7-methylguanosine or analog, (5?)p3 is a 5?,5?-triphosphate bridge, and N1 or N2 or both ribonucleotide analogs linked to each other by a phosphate, p, and wherein the trinucleotide cap analog increases the efficiency of in vitro transcription.