Abstract:
The invention features a hybridized polynucleotide construct containing a passenger strand, a guide strand loadable into a RISC complex, and (i) a 3'-terminal or an internucleotide non-bioreversible group in the guide strand; or (ii) a 5'-terminal, a 3'-terminal, or an internucleotide non-bioreversible group in the passenger strand, and a 5'-terminal, a 3'-terminal, or an internucleotide disulfide bioreversible group in the guide strand or the passenger strand. The invention also features methods of delivering a polynucleotide to a cell using the hybridized polynucleotide construct. The invention further features methods of reducing the expression of a polypeptide in a cell using the hybridized polynucleotide construct.
Abstract:
The invention features a hybridized polynucleotide construct containing a passenger strand, a guide strand loadable into a RISC complex, and (i) a 3'-terminal or an internucleotide non-bioreversible group in the guide strand; or (ii) a 5'-terminal, a 3'-terminal, or an internucleotide non-bioreversible group in the passenger strand, and a 5'-terminal, a 3'-terminal, or an internucleotide disulfide bioreversible group in the guide strand or the passenger strand. The invention also features methods of delivering a polynucleotide to a cell using the hybridized polynucleotide construct. The invention further features methods of reducing the expression of a polypeptide in a cell using the hybridized polynucleotide construct.
Abstract:
Disclosed are polynucleotide constructs having a strand linked to a moiety carrying one or more auxiliary moieties. Also disclosed are polynucleotide constructs interrupted with a sugar analogue, and polynucleotide constructs with stereochemical^ enriched phosphorothioates. The polynucleotide constructs may be provided as hybridized polynucleotide constructs. Also featured are methods of delivery a polynucleotide construct to a cell and methods of reducing the expression of a protein in a cell by contacting the cell with the disclosed polynucleotide construct or hybridized polynucleotide construct.
Abstract:
The invention features polynucleotide constructs containing one or more components (i) containing a disulfide linkage, where each of the one or more components is attached to an internudeotide bridging group or a terminal group of the polynucleotide construct, and each of the one or more components (i) contains one or more bulky groups proximal to the disulfide group. The invention also features polynucleotide constructs containing one or more components (i) containing a disulfide linkage, where each of the one or more components (i) is attached to an internudeotide bridging group or a terminal group of the polynucleotide construct, and each of the one or more components (i) contains at least 4 atoms in a chain between the disulfide linkage and the phosphorus atom of the internudeotide bridging group or the terminal group; and where the chain does not contain a phosphate, an amide, an ester, or an alkenylene. The invention also features methods of delivering a polynucleotide to a cell using the polynucleotide constructs of the invention.
Abstract:
Disclosed are P-stereogenic groups that may be used in the synthesis of compounds including stereochemically enriched P-stereogenic phosphorothioates. P-stereogenic groups may be provided in nucleoside phosphoramidites including a sugar bonded to a nucleobase and to a stereochemically enriched phosphoramidite as well as methods of their use and methods of making them.
Abstract:
In one embodiment, the invention features a process for preparing ligand conjugated oligonucleotides comprising a step of contacting a nucleoside or oligonucleotide containing an alkyne moiety with ligand containing an azide moiety in the presence of a solid supported copper catalyst of formula A, B, C or D.
Abstract translation:在一个实施方案中,本发明的特征在于制备配体缀合的寡核苷酸的方法,其包括在式A,B,C的固体负载的铜催化剂存在下使含有炔部分的核苷或寡核苷酸与含有叠氮化物部分的配体接触的步骤,或 D.
Abstract:
In one embodiment, the invention features a process for preparing ligand conjugated oligonucleotides comprising a step of contacting a nucleoside or oligonucleotide containing an alkyne moiety with ligand containing an azide moiety in the presence of a solid supported copper catalyst of formula A, B, C or D.
Abstract translation:在一个实施方案中,本发明的特征在于制备配体缀合的寡核苷酸的方法,其包括在含有式A,B,C的固体负载型铜催化剂存在下,使含有炔部分的核苷或寡核苷酸与含有叠氮基部分的配体接触的步骤, D.
Abstract:
The invention features a hybridized polynucleotide construct including a passenger strand, a guide strand loadable into a RISC complex, and one or more auxiliary moieties. At least one of the auxiliary moieties is non-bioreversibly linked to an internucleoside phosphate or phosphorothioate in the passenger strand. The invention further features methods of delivery a polynucleotide construct to a cell and methods of reducing the expression of a protein in a cell. The methods typically involve contacting the cell with the hybridized polynucleotide construct.
Abstract:
The present invention provides lipids that are advantageously used in lipid particles for the in vivo delivery of therapeutic agents to cells. In particular, the invention provides lipids having the following structures: (Formula (I) or (XXXV))
Abstract:
The present invention provides lipids that are advantageously used in lipid particles for the in vivo delivery of therapeutic agents to cells. In particular, the invention provides lipids having the following structure (I) wherein R 1 and R 2 are each independently for each occurrence optionally substituted C 10 -C 30 alkyl, optionally substituted C 10 -C 30 alkenyl, optionally substituted C 10 -C 30 alkynyl, optionally substituted C 10 -C 30 acyl, or -linker-ligand; R 3 is H, optionally substituted C 1 -C 10 alkyl, optionally substituted C 2 -C 10 alkenyl, optionally substituted C 2 -C 10 alkynyl, alkylhetrocycle, alkylphosphate, alkylphosphorothioate, alkylphosphorodithioate, alkylphosphonates, alkylamines, hydroxyalkyls, ω-aminoalkyls, ω -(substituted)aminoalkyls, ω-phosphoalkyls, ω -thiophosphoalkyls, optionally substituted polyethylene glycol (PEG, mw 100-40K), optionally substituted mPEG (mw 120-40K), heteroaryl, heterocycle, or linker-ligand; E is O, S, N(Q), C(O), N(Q)C(O), C(O)N(Q), (Q)N(CO)O, O(CO)N(Q), S(O), NS(O)2N(Q), S(O)2, N(Q)S(O)2, SS, O=N, aryl, heteroaryl, cyclic or heterocycle; and, Q is H, alkyl, ω-aminoalkyl, ω-(substituted)aminoalky, ω-phosphoalkyl or ω-thiophosphoalkyl.