Abstract: This invention provides UNA oligomers for regulating the expression of a target gene. The UNA oligomers contain UNA monomer linkers, and may contain one or more nucleotides modified with a 2?-O-methyl group, one or more nucleotides modified with a 2?-deoxy-2?-fluoro group, and one or more phosphorothioate or chiral phosphorothioate intermonomer linkages. UNA oligomers can be used as active agents for preventing or treating disease.

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 —L1—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 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: This invention provides a range of translatable messenger UNA (mUNA) molecules. The mUNA molecules can be translated in vitro and in vivo to provide an active polypeptide or protein, or to provide an immunization agent or vaccine component. The mUNA molecules can be used as an active agent to express an active polypeptide or protein in cells or subjects. Among other things, the mUNA molecules are useful in methods for treating rare diseases.

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 12 to 20 carbons, R2 is a branched alkyl with 12 to 20 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.

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: What is described is a compound wherein R1 and R2 are the same or different, each a linear or branched alkyl with 1-9 carbons, or an alkenyl or alkynyl with 2 to 11 carbons; L1 and L2 are the same or different, each a linear alkyl having 3 to 18 carbons; X1 and X3 are —CO—O—; X3 is S or O; L3 is a lower alkyl; R3 is a lower alkyl; and R4 and R5 are the same or different, each a lower alkyl; or a pharmaceutically acceptable salt thereof.

Abstract: What is described is a compound of formula I wherein X is an ethene, or an unsubstituted or substituted arene or heteroarene; Y is a bond, an ethene, or an unsubstituted or substituted arene or heteroarene; Z is S or O; L is a linear or branched alkylene of 1 to 6 carbons; R1 and R2 are independently a linear or branched alkyl or alkenyl of 1 to 18 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 of formula I wherein R1 is a linear alkyl, alkenyl, or alkynyl of 2 to 12 carbons, or a branched alkyl with 12 to 20 carbons, R2 is a branched alkyl with 12 to 20 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.

Abstract: What is described is a compound of formula I wherein X is an ethene, or an unsubstituted or substituted arene or heteroarene; Y is a bond, an ethene, or an unsubstituted or substituted arene or heteroarene; Z is S or O; L is a linear or branched alkylene of 1 to 6 carbons; R1 and R2 are independently a linear or branched alkyl or alkenyl of 1 to 18 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 of formula I wherein R is a linear alkyl of 1 to 12 carbons, or a linear alkenyl or alkynyl of 2 to 12 carbons; L is a linear alkylene or alkenylene of 5 to 18 carbons; X is —CO—O— or —O—CO—; Y is S or O; R1 is a linear or branched alkylene consisting of 1 to 6 carbons; and R2 and R3 are the same or different, consisting of a hydrogen or a linear or branched alkyl consisting of 1 to 6 carbons; and n is 1-6; or a salt, a solvate, or a pharmaceutical formulation thereof.

Abstract: What is described is a lipid particle comprising the compound of formula I wherein R1 consists of alkyl, alkenyl, alkynyl, or cholesteryl; R2 consists of alkyl or alkenyl; L1 consists of alkyl, alkylene or alkenyl; X1 consists of —O—(CO)— or —(CO)—O; X2 consists of S or O; L2 consists of a bond or alkylene; R3 consists of alkylene; and R4 and R5 are the same or different, each consisting of alkyl; or a pharmaceutical preparation thereof.

Abstract: What is described is a compound wherein R1 and R2 are the same or different, each a linear or branched alkyl with 1-9 carbons, or an alkenyl or alkynyl with 2 to 11 carbons; L1 and L2 are the same or different, each a linear alkyl having 3 to 18 carbons; X1 and X3 are —CO—O—; X3 is S or O; L3 is a lower alkyl; R3 is a lower alkyl; and R4 and R5 are the same or different, each a lower alkyl; or a pharmaceutically acceptable salt thereof.

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: What is described is a compound of formula III or IV wherein R1 is a branched alkyl with 12 to 20 carbons; R2 is a linear alkyl with 5 to 10 carbons or a branched alkyl with 12 to 20 carbons; L1 and L2 are each a bond or a linear alkylene having 1 to 3 carbon atoms, when L3 is a bond; L1 and L2 are each a linear alkylene or alkenylene 5 to 18 carbon atoms, when L3 is an alkylene of 5 to 18 carbons; X is S or O; R3 is of a lower alkyl; and R4 and R5 are the same or different, each a lower alkyl; or a pharmaceutically acceptable salt thereof.

Abstract: What is described is a compound of formula I wherein R is a linear alkyl of 1 to 12 carbons, or a linear alkenyl or alkynyl of 2 to 12 carbons; L is a linear alkylene or alkenylene of 5 to 18 carbons; X is —CO—O— or —O—CO—; Y is S or O; R1 is a linear or branched alkylene consisting of 1 to 6 carbons; and R2 and R3 are the same or different, consisting of a hydrogen or a linear or branched alkyl consisting of 1 to 6 carbons; and n is 1-6; or a salt, a solvate, or a pharmaceutical formulation 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 (1) wherein R1 and R2 are the same or different, each a linear or branched alkyl with 1-9 carbons, or an alkenyl or alkynyl with 2 to 11 carbon atoms; L1 and L2 are the same or different, each a linear alkyl having 5 to 18 carbon atoms, or form a heterocycle with N; X1 is a bond, or is —CO—O— whereby L2-CO—O—R2 is formed; X2 is S or O; L3 is a bond or a lower alkyl, or form a heterocycle with N; R3 is a lower alkyl; and R4 and R5 are the same or different, each a lower alkyl; or a pharmaceutically acceptable salt thereof.

Abstract: What is described is a lipid particle comprising the compound of formula I wherein R1 consists of alkyl, alkenyl, alkynyl, or cholesteryl; R2 consists of alkyl or alkenyl; L1 consists of alkyl, alkylene or alkenyl; X1 consists of —O—(CO)— or —(CO)—O—; X2 consists of S or O; L2 consists of a bond or alkylene; R3 consists of alkylene; and R4 and R5 are the same or different, each consisting of alkyl; or a pharmaceutical preparation thereof.

Abstract: What are described are compounds of formula II. The compound of formula II consists of a compound in which R1 and R2 are both a linear alkyl consisting of 1 to 12 carbons, an alkenyl or alkynyl consisting of 2 to 12 carbons; L1 and L2 both consist of a linear alkylene or alkenylene consisting of 5 to 18 carbons; X is S; L3 consists of a bond; R3 consists of a linear or branched alkylene consisting of 1 to 6 carbons; and R4 and R5 are the same or different, each consisting of hydrogen or a linear or branched alkyl consisting of 1 to 6 carbons; or a pharmaceutically acceptable salt thereof.