Patent application number | Description | Published |
20080261904 | Chimeric Gapped Oligomeric Compounds - The present invention provides double stranded compositions wherein the first strand comprises three different regions and the second strand is native RNA. Each region has native or modified ribofuranosyl sugar moieties that are different than those of the other two regions. At least a portion of the first oligomeric compound is complementary to and hybridizes to a nucleic acid target. The present invention also provides methods for modulating gene expression using the modified oligomeric compounds and compositions of oligomeric compounds. | 10-23-2008 |
20090048192 | Double Strand Compositions Comprising Differentially Modified Strands for Use in Gene Modulation - The present invention provides double stranded compositions wherein each strand is modified to have a motif defined by positioning of β-D-ribonucleosides and sugar modified nucleosides. More particularly, the present compositions comprise one strand having an alternating motif and another strand having a hemimer motif, a blockmer motif, a fully modified motif or a positionally modified motif. At least one of the strands has complementarity to a nucleic acid target. The compositions are useful for targeting selected nucleic acid molecules and modulating the expression of one or more genes. In preferred embodiments the compositions of the present invention hybridize to a portion of a target RNA resulting in loss of normal function of the target RNA. The present invention also provides methods for modulating gene expression. | 02-19-2009 |
20090092981 | TETRAHYDROPYRAN NUCLEIC ACID ANALOGS - The present disclosure describes tetrahydropyran nucleoside analogs, oligomeric compounds prepared therefrom and methods of using the oligomeric compounds. More particularly, tetrahydropyran nucleoside analogs are provided, having one or more chiral substituents, that are useful for enhancing properties of oligomeric compounds including nuclease resistance and binding affinity. In some embodiments, the oligomeric compounds provided herein hybridize to a portion of a target RNA resulting in loss of normal function of the target RNA. | 04-09-2009 |
20090203132 | PYRROLIDINYL GROUPS FOR ATTACHING CONJUGATES TO OLIGOMERIC COMPOUNDS - The present invention provides pyrrolidinyl compounds that are useful for preparing conjugated oligomeric compounds. The conjugated pyrrolidinyl compounds can be attached to support medium and provide a free hydroxyl for oligomer synthesis to prepare an oligmeric compound having a 3′-conjugate. Alternatively, the pyrrolidinyl compound can be prepared as a phosphoramidite which can be placed internally or at the 5′-position of an oligomeric compound. These two strategies can be used together to prepare oligomeric compounds having 2 or more conjugates at any selected positions. The present invention also provides methods for modulating gene expression using the conjugated oligomeric compounds. | 08-13-2009 |
20090306178 | CONJUGATED DOUBLE STRAND COMPOSITIONS FOR USE IN GENE MODULATION - The present invention provides conjugated double stranded compositions wherein each strand is modified to have a motif defined by positioning of β-D-ribonucleosides and/or sugar modified nucleosides. More particularly, the present compositions comprise a linked conjugate group on one strand and a non hybridizing region of 2′-modified nucleosides on the other strand. Each strand further comprises one or more phosphorothioate internucleoside linkage. The compositions are useful for targeting selected nucleic acid molecules and modulating the expression of one or more genes. In preferred embodiments the compositions of the present invention hybridize to a portion of a target RNA resulting in loss of normal function of the target RNA. The present invention also provides methods for modulating gene expression. | 12-10-2009 |
20100216982 | POLYCYCLIC SUGAR SURROGATE-CONTAINING OLIGOMERIC COMPOUNDS AND COMPOSITIONS FOR USE IN GENE MODULATION - Compositions comprising first and second oligomers are provided wherein at least a portion of the first oligomer is capable of hybridizing with at least a portion of the second oligomer, at least a portion of the first oligomer is complementary to and capable of hybridizing to a selected target nucleic acid, and at least one of the first or second oligomers includes a modification comprising a polycyclic sugar surrogate. Oligomer/protein compositions are also provided comprising an oligomer complementary to and capable of hybridizing to a selected target nucleic acid and at least one protein comprising at least a portion of an RNA-induced silencing complex (RISC), wherein at least one nucleoside of the oligomer has a polycyclic sugar surrogate modification. | 08-26-2010 |
20100324277 | OLIGOMERIC COMPOUNDS COMPRISING 4'-THIONUCLEOSIDES FOR USE IN GENE MODULATION - The present invention provides modified oligomeric compounds and compositions of oligomeric compounds for use in the RNA interference pathway of gene modulation. The modified oligomeric compounds include siRNA and asRNA having at least one affinity modification. | 12-23-2010 |
20110046206 | DOUBLE STRAND COMPOSITIONS COMPRISING DIFFERENTIALLY MODIFIED STRANDS FOR USE IN GENE MODULATION - The present invention provides double stranded compositions wherein the first strand is modified to have a particular motif and the second strand is modified a selected motif. The motifs are defined by positioning of differentially modified nucleosides wherein at least the sugar moieties are different. More particularly, the present compositions comprise an antisense strand that is modified to have a positional/full motif and the sense strand is modified to have an alternating motif, a hemimer motif, a blockmer motif, a gapped motif, a positional motif, a positional/full motif or a fully modified motif. Each strand further comprises one or more phosphorothioate internucleoside linkage. The compositions are useful for targeting selected nucleic acid molecules and modulating the expression of one or more genes. In preferred embodiments the compositions of the present invention hybridize to a portion of a target RNA resulting in loss of normal function of the target RNA. The present invention also provides methods for modulating gene expression. | 02-24-2011 |
20120021515 | OLIGOMERIC COMPOUNDS AND METHODS - The present invention provides oligomeric compounds and uses thereof. In certain embodiments, such oligomeric compounds are useful as antisense compounds. Certain such antisense compounds are useful as RNase H antisense compounds, as RNAi compounds, and/or as modulators of splicing. | 01-26-2012 |
20120071645 | TETRAHYDROPYRAN NUCLEIC ACID ANALOGS - The present disclosure describes tetrahydropyran nucleoside analogs, oligomeric compounds prepared therefrom and methods of using the oligomeric compounds. More particularly, tetrahydropyran nucleoside analogs are provided, having one or more chiral substituents, that are useful for enhancing properties of oligomeric compounds including nuclease resistance and binding affinity. In some embodiments, the oligomeric compounds provided herein hybridize to a portion of a target RNA resulting in loss of normal function of the target RNA. | 03-22-2012 |
20130035369 | DOUBLE STRAND COMPOSITIONS COMPRISING DIFFERENTIALLY MODIFIED STRANDS FOR USE IN GENE MODULATION - The present invention provides double stranded compositions wherein the first strand is modified to have a particular motif and the second strand is modified a selected motif. More particularly, the present compositions comprise an antisense strand that is modified to have a positional/full motif and the sense strand is modified to have an alternating motif, a hemimer motif, a blockmer motif, a gapped motif, a positional motif, a positional/full motif or a fully modified motif. Each strand further comprises one or more phosphorothioate internucleoside linkage. The compositions are useful for targeting selected nucleic acid molecules and modulating the expression of one or more genes. | 02-07-2013 |
20130041011 | BASE MODIFIED BICYCLIC NUCLEOSIDES AND OLIGOMERIC COMPOUNDS PREPARED THEREFROM - Provided herein are novel base modified bicyclic nucleosides, oligomeric compounds prepared therefrom and methods of using the oligomeric compounds. More particularly, novel pyrimidine bicyclic nucleosides are provided wherein each pyrimidine base is substituted at the 5 position with an optionally substituted, aromatic or heteroaromatic ring system comprising from 5 to 7 ring atoms selected from C, N, O and S. In certain embodiments, the oligomeric compounds provided herein hybridize to a portion of a target RNA resulting in loss of normal function of the target RNA. | 02-14-2013 |
20130041144 | 5'-SUBSTITUTED BICYCLIC NUCLEOSIDES AND OLIGOMERIC COMPOUNDS PREPARED THEREFROM - Provided herein are novel 5′-(S)—CH | 02-14-2013 |
20130211064 | TETRAHYDROPYRAN NUCLEIC ACID ANALOGS - The present disclosure describes tetrahydropyran nucleoside analogs, oligomeric compounds prepared therefrom and methods of using the oligomeric compounds. More particularly, tetrahydropyran nucleoside analogs are provided, having one or more chiral substituents, that are useful for enhancing properties of oligomeric compounds including nuclease resistance and binding affinity. In some embodiments, the oligomeric compounds provided herein hybridize to a portion of a target RNA resulting in loss of normal function of the target RNA. | 08-15-2013 |
20140315979 | TETRAHYDROPYRAN NUCLEIC ACID ANALOGS - The present disclosure describes tetrahydropyran nucleoside analogs, oligomeric compounds prepared therefrom and methods of using the oligomeric compounds. More particularly, tetrahydropyran nucleoside analogs are provided, having one or more chiral substituents, that are useful for enhancing properties of oligomeric compounds including nuclease resistance and binding affinity. In some embodiments, the oligomeric compounds provided herein hybridize to a portion of a target RNA resulting in loss of normal function of the target RNA. | 10-23-2014 |