80 results about "Dystrophin" patented technology

Aspects of the disclosure relate to complexes comprising a muscle-targeting agent covalently linked to a molecular payload. In some embodiments, the muscle-targeting agent specifically binds to an internalizing cell surface receptor on muscle cells. In some embodiments, the molecular payload promotes the expression or activity of a functional dystrophin protein. In some embodiments, the molecular payload is an oligonucleotide, such as an antisense oligonucleotide, e.g., an oligonucleotide that causes exon skipping in a mRNA expressed from a mutant DMD allele.

Aspects of the disclosure relate to complexes comprising a muscle-targeting agent covalently linked to a molecular payload. In some embodiments, the muscle-targeting agent specifically binds to an internalizing cell surface receptor on muscle cells. In some embodiments, the molecular payload promotes the expression or activity of a functional dystrophin protein. In some embodiments, the molecular payload is an oligonucleotide, such as an antisense oligonucleotide, e.g., an oligonucleotide that causes exon skipping in a mRNA expressed from a mutant DMD allele.

Aspects of the disclosure relate to complexes comprising a muscle-targeting agent covalently linked to a molecular payload. In some embodiments, the muscle-targeting agent specifically binds to an internalizing cell surface receptor on muscle cells. In some embodiments, the molecular payload promotes the expression or activity of a functional dystrophin protein. In some embodiments, the molecular payload is an oligonucleotide, such as an antisense oligonucleotide, e.g., an oligonucleotide that causes exon skipping in a mRNA expressed from a mutant DMD allele.

Aspects of the disclosure relate to complexes comprising a muscle-targeting agent covalently linked to a molecular payload. In some embodiments, the muscle-targeting agent specifically binds to an internalizing cell surface receptor on muscle cells. In some embodiments, the molecular payload promotes the expression or activity of a functional dystrophin protein. In some embodiments, the molecular payload is an oligonucleotide, such as an antisense oligonucleotide, e.g., an oligonucleotide that causes exon skipping in a mRNA expressed from a mutant DMD allele.

Aspects of the disclosure relate to complexes comprising a muscle-targeting agent covalently linked to a molecular payload. In some embodiments, the muscle-targeting agent specifically binds to an internalizing cell surface receptor on muscle cells. In some embodiments, the molecular payload promotes the expression or activity of a functional dystrophin protein. In some embodiments, the molecular payload is an oligonucleotide, such as an antisense oligonucleotide, e.g., an oligonucleotide that causes exon skipping in a mRNA expressed from a mutant DMD allele.

The present disclosure provides gene constructs that encode a truncated dystrophin protein. The present disclosure also provides systems and methods for delivering a truncated dystrophin protein in a subject, and methods for treating a subject having a dystrophin-associated disease or disorder, e.g., muscular dystrophy, e.g., Duchenne muscular dystrophy (DMD).

Disclosed herein are antibody oligonucleotide conjugates and pharmaceutical compositions that induce an alteration in an incorrectly spliced dystrophin mRNA transcript to induce exon 44 skipping. Also described herein include methods for treating muscle dystrophy including Duchenne muscular dystrophy that comprises administering antibody oligonucleotide conjugates or a pharmaceutical composition that induces alteration in an incorrectly spliced dystrophin mRNA transcript to induce exon 44 skipping.

Aspects of the disclosure relate to complexes comprising a muscle-targeting agent covalently linked to a molecular payload. In some embodiments, the muscle-targeting agent specifically binds to an internalizing cell surface receptor on muscle cells. In some embodiments, the molecular payload promotes the expression or activity of a functional dystrophin protein. In some embodiments, the molecular payload is an oligonucleotide, such as an antisense oligonucleotide, e.g., an oligonucleotide that causes exon skipping in a mRNA expressed from a mutant DMD allele.

The present invention concerns a quasidystrophin (QD) having the structure CH1CH2H1R1R2R3H2R8R9 in its N-terminal part and advantageously further comprising the R16 and R17 rod domains, as well as the dual AAV vector system which allows producing it.

This invention relates to oligonucleotide compositions and methods for using the same. [Solution] In particular, this disclosure provides designed oligonucleotides, compositions thereof and methods of use. In some embodiments, this disclosure provides techniques useful for reducing transcript levels. In some embodiments, this disclosure provides techniques useful for modulating transcript splicing. In some embodiments, the techniques provided can alter the splicing of dystrophin (DMD) transcripts. In some embodiments, this disclosure provides methods for treating diseases such as Duchenne muscular dystrophy and Becker muscular dystrophy.

To provide exon-skipping oligomer conjugates for muscular dystrophy.SOLUTION: Disclosed is an antisense oligomer conjugate that is complementary to a selected target site of the human dystrophin gene and induces exon 45 skipping. The disclosure relates to a novel antisense oligomer conjugate suitable for exon 45 skipping of the human dystrophin gene and a pharmaceutical composition thereof. The disclosure also provides a method for inducing exon 45 skipping using the novel antisense oligomer conjugate, a method for enabling a subject having a mutation of the dystrophin gene that is amenable to exon 45 skipping to produce dystrophin, and a method for treating a subject having a mutation of the dystrophin gene amenable to exon 45 skipping.SELECTED DRAWING: None

Provided is an invention based, in part, on novel gene constructs that encode a microdystrophin protein for use in gene therapy. The microdystrophin gene constructs and expression cassettes were engineered for improved therapy with respect to efficacy, potency and safety to the subject when expressed by a viral vector in muscle cells and / or CNS cells.

Nucleotide sequences including a micro-dystrophin gene are provided. The micro-dystrophin genes may be operatively linked to a regulatory cassette. Methods of treating a subject having, or at risk of developing, muscular dystrophy, sarcopenia, heart disease, or cachexia are also provided. The methods may include administering a pharmaceutical composition including the micro-dystrophin gene and a delivery vehicle to a subject. Further, the methods may include administering the pharmaceutical composition a subject having Duchenne muscular dystrophy or Becker muscular dystrophy.

We provide gene therapy for the treatment of muscular dystrophy, including but not limited to Duchenne muscular dystrophy (DMD). [Solution] This disclosure provides a recombinant adeno-associated virus (rAAV) comprising a nucleic acid molecule that delivers a nucleic acid encoding a U7-based snRNA, which is a nucleic acid that induces exon skipping for use in the treatment of muscular dystrophy, including but not limited to DMD, resulting from any mutation suitable for skipping exon 44 of the DMD gene (DMD exon 44), including but not limited to mutations involved in or affecting DMD exon 44.

Disclosed herein are antibody-oligonucleotide conjugates and pharmaceutical compositions comprising the antibody-oligonucleotide conjugates that induce an alteration in an incorrectly spliced dystrophin mRNA transcript to induce DMD exon 52 skipping. Also described herein include methods for treating muscle dystrophy including Duchenne muscular dystrophy by administering antibody-oligonucleotide conjugates or a pharmaceutical composition comprising the antibody-oligonucleotide conjugates that induce an alteration in an incorrectly spliced dystrophin mRNA transcript to induce DMD exon 52 skipping.

An optimized AAV vector for gene therapy of muscular dystrophy is provided. The optimized AAV vector includes a plurality of mutant AAV9 vectors and a microdystrophin transgene (p.AAV-CBA-kozak-μDys). The optimized AAV vector demonstrate increased transduction efficiency, gene expression levels, and can potentially achieve optimal therapeutic efficacy in humans at lower vector doses. The optimized AAV vector also demonstrate improved transduction and dystrophin gene expression in a mice model of Duchenne muscular dystrophy.

The present invention relates to medium-sized muscular dystrophin comprising at least the rod-like domains R1, R8, R9, R10, R11, R12, R16, R17 and R24 of the muscular dystrophin, and their use in the treatment of muscular dystrophy, in particular Duchenne muscular dystrophy (DMD).

Provided herein are dual adeno-associated virus (AAV) particle compositions for delivering a mid-length dystrophin coding sequence over two AAV vectors resulting in reconstitution of mid-length dystrophin protein in a cell. This method results in the expression of a larger dystrophin protein that cannot be expressed using a traditional single AAV strategy. Such methods can be used for the treatment of Duchenne muscular dystrophy.

Embodiments of the disclosure include methods and compositions for the renewal of cardiomyocytes by targeting the Hippo pathway. In particular embodiments, an individual with a need for cardiomyocyte renewal is provided an effective amount of a shRNA molecule that targets the Sav1 gene. Particular shRNA sequences are disclosed.

The invention features methods of treating a subject having Duchenne muscular dystrophy by administering an activin A and myostatin signaling inhibitor in combination with a dystrophin exon skipping therapy. The activin A and myostatin signaling inhibitor may be an activin A antibody or an antigen binding fragment thereof and an anti-myostatin protein (e.g., a myostatin antibody or an antigen binding fragment thereof or an anti-myostatin adnectin recombinant protein), an ActRII antibody or an antigen binding fragment thereof, or an extracellular ActRII ligand trap.

The invention described herein provides a method of treatment for a disease in a human in need thereof, comprising administering to the human an rAAV viral particle comprising a polynucleotide encoding a therapeutic gene-of-interest, as described herein. The method can be used for delivering a gene of interest (GOI), such as a microdystrophin-encoding polynucleotide sequence, for the treatment of a disease, e.g., muscular dystrophy such as Duchenne muscular dystrophy (DMD).

Disclosed herein are antibody oligonucleotide conjugates and pharmaceutical compositions that induce an alteration in an incorrectly spliced dystrophin mRNA transcript to induce exon 44 skipping. Also described herein include methods for treating muscle dystrophy including Duchenne muscular dystrophy that comprises administering antibody oligonucleotide conjugates or a pharmaceutical composition that induces alteration in an incorrectly spliced dystrophin mRNA transcript to induce exon 44 skipping.

Among other things, the present disclosure provides oligonucleotide compositions and methods thereof. In some embodiments, oligonucleotides comprise various chemical modifications of sugars, nucleobases, and / or mtemucleotidic linkages and patterns thereof and are useful for exon skipping. In some embodiments, the present disclosure provides technologies useful for skipping exon 45 of dystrophin (DMD) transcripts. In some embodiments, the present disclosure provides technologies useful for modulating DMD transcript splicing. In some embodiments, the present disclosure provides methods for preventing or treating conditions, disorders or diseases including Duchenne muscular dystrophy.

Disclosed are compositions and methods for treating Duchenne muscular dystrophy. The compositions include a micro-dystrophin having a dystrophin N-terminal domain, a dystrophin R16 domain, a dystrophin R17 domain, a dystrophin R18 domain, a dystrophin R19 domain, and a dystrophin CR domain. The compositions are particularly useful for treating Duchenne muscular dystrophy and for treating cardiac arrhythmia in subjects having or suspected of having Duchenne muscular dystrophy.

The present disclosure provides methods and compositions concerning the disclosed genetic constructs, including those that target mutated portions of a dystrophin gene for excision, thereby restoring functional dystrophin protein expression. The disclosure further provides methods and compositions for treating Duchenne muscular dystrophy.

Disclosed herein are antibody-oligonucleotide conjugates and pharmaceutical compositions comprising the antibody-oligonucleotide conjugates that induce an alteration in an incorrectly spliced dystrophin mRNA transcript to induce DMD exon 50 skipping. Also described herein include methods for treating muscle dystrophy including Duchenne muscular dystrophy by administering antibody-oligonucleotide conjugates or a pharmaceutical composition comprising the antibody-oligonucleotide conjugates that induce an alteration in an incorrectly spliced dystrophin mRNA transcript to induce DMD exon 50 skipping.

The invention described herein provides methods and reagents to treat muscular dystrophy (such as DMD), using an nNOS-binding domain containing microdystrophin coding sequence delivered by a modified AAV capsid (SLB-101) having superior expression profile in target tissues.

The present invention provides a novel linkage-type antisense oligomer that induces exon skipping by targeting base sequences at two different sites in the same exon of the dystrophin gene, and a therapeutic agent for muscular dystrophy comprising the oligomer.SOLUTION: It has been found that an antisense oligomer obtained by linking oligomers targeting two different sites of exon 45 of the human dystrophin gene can induce skipping of the exon.SELECTED DRAWING: None

This disclosure covers engineered macronucleases that bind to and cleave recognition sequences within the dystrophin gene. This disclosure also covers methods for preparing genetically modified cells using such engineered macronucleases. Furthermore, this disclosure covers pharmaceutical compositions comprising engineered macronuclease proteins or polynucleotides encoding engineered macronucleases of this disclosure, and the use of such compositions for modifying the dystrophin gene in a subject or for treating Duchenne muscular dystrophy.

Herein disclosed are compositions comprising synthetic chromosomes and methods of their use to treat diseases and disorders (e.g., cancers, genetic and autoimmune diseases). Specifically described are methods of constructing synthetic chromosome compositions bearing one or multiple genes as well as regulatory sequences that control expression of the gene(s) such that, when these are expressed from the synthetic chromosome in an animal cell, at least one medicinal gene product is reliably, faithfully and indefinitely produced by the animal cells. As an example, the presently disclosed compositions and methods are used to bioengineer cells to enable them to express the entire dystrophin gene and additional regulatory nucleic acid sequences under tightly controlled conditions, allowing the present methods and compositions to be used as cellular medicines for treatment of diseases such as muscular dystrophies.