[EN] POLYCONJUGATES FOR DELIVERY OF RNAI TRIGGERS TO TUMOR CELLS IN VIVO<br/>[FR] POLYCONJUGUÉS POUR L'ADMINISTRATION DE DÉCLENCHEURS D'ARNI À DES CELLULES TUMORALES IN VIVO
申请人:ARROWHEAD RES CORP
公开号:WO2015021092A1
公开(公告)日:2015-02-12
The present invention is directed compositions for delivery of RNA interference (RNAi) triggers to integrin positive tumor cells in vivo. The compositions comprise RGD ligand- targeted amphipathic membrane active polyamines reversibly modified with enzyme cleavable dipeptide-amidobenzyl-carbonate masking agents. Modification masks membrane activity of the polymer while reversibility provides physiological responsiveness. The reversibly modified polyamines (dynamic polyconjugate or conjugate) are further covalently linked to an RNAi trigger.
The present invention is directed compositions for targeted delivery of RNA interference (RNAi) polynucleotides to hepatocytes in vivo. Targeted RNAi polynucleotides are administered together with co-targeted delivery polymers. Delivery polymers provide membrane penetration function for movement of the RNAi polynucleotides from outside the cell to inside the cell. Reversible modification provides physiological responsiveness to the delivery polymers.
GALACTOSE CLUSTER-PHARMACOKINETIC MODULATOR TARGETING MOIETY FOR siRNA
申请人:Hadwiger Philipp
公开号:US20120157509A1
公开(公告)日:2012-06-21
The present invention is directed compositions for targeted delivery of RNA interference (RNAi) polynucleotides to cell in vivo. The pharmacokinetic modulator improve in vivo targeting compared to the targeting ligand alone. Targeting ligand-pharmacokinetic modulator targeting moiety targeted RNAi polynucleotides can be administered in vivo alone or together with co-targeted delivery polymers.
In Vivo Polynucleotide Delivery Conjugates Having Enzyme Sensitive Linkages
申请人:Rozema David B.
公开号:US20120172412A1
公开(公告)日:2012-07-05
The present invention is directed compositions for delivery of RNA interference (RNAi) polynucleotides to cells in vivo. The compositions comprise amphipathic membrane active polyamines reversibly modified with enzyme cleavable dipeptide-amidobenzyl-carbonate masking agents. Modification masks membrane activity of the polymer while reversibility provides physiological responsiveness. The reversibly modified polyamines (dynamic polyconjugate or DPC) are further covalently linked to an RNAi polynucleotide or co-administered with a targeted RNAi polynucleotide-targeting molecule conjugate.
CONJUGATES, PARTICLES, COMPOSITIONS, AND RELATED METHODS
申请人:CERULEAN PHARMA INC.
公开号:US20140037573A1
公开(公告)日:2014-02-06
Particles and conjugates for delivering nucleic acid agents. Compositions containing the particles, the conjugates, or both. Methods of using the particles, the conjugates, and the compositions.