GENE THERAPY OF USH2A-ASSOCIATED DISEASES

The disclosure describes the discovery of a dual targeting recombinant U7 RNA comprising at least two covalently linked USH2A-specific antisense sequences that act in synergy to disrupt the splicing of USH2A exon 13 and induce exon 13 skipping. Because the most prevalent pathogenic mutations causing...

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Hauptverfasser: GRIDNEV, Lizaveta, WU, Zhijian, JOE, Myungkuk, XUE, Xiaojiao
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creator GRIDNEV, Lizaveta
WU, Zhijian
JOE, Myungkuk
XUE, Xiaojiao
description The disclosure describes the discovery of a dual targeting recombinant U7 RNA comprising at least two covalently linked USH2A-specific antisense sequences that act in synergy to disrupt the splicing of USH2A exon 13 and induce exon 13 skipping. Because the most prevalent pathogenic mutations causing USH2A retinitis pigmentosa reside in exon 13, for example, c.2299delG, removal of exon 13 from USH2A pre-mRNA not only deletes these mutations but also restores the open reading frame of USH2A, translation of USH2A exon13 translation and consequently the function of USH2A. Therefore, the AAV USH2A-specific recombinant U7 snRNA vector disclosed herein provides a gene therapy approach for the treatment of USH2A-associated retinal degeneration and hearing loss. L'invention concerne la découverte d'un ARN U7 recombinant à double ciblage comprenant au moins deux séquences antisens spécifiques de USH2A liées de manière covalente qui agissent en synergie pour perturber l'épissage de l'exon 13 de USH2A et induire un saut d'exon 13. Étant donné que les mutations pathogènes les plus prévalentes provoquant la rétinite pigmentaire USH2A résident dans l'exon 13, par exemple c.2299delG, l'élimination de l'exon 13 du pré-ARNm USH2A supprime non seulement ces mutations mais restaure également la trame de lecture ouverte de USH2A, la traduction de la traduction USH2A exon13 et par conséquent la fonction de USH2A. Par conséquent, le vecteur d'ARNsn recombinant spécifique d'AAV USH2A selon l'invention fournit une approche de thérapie génique pour le traitement de la dégénérescence rétinienne et de la perte d'audition associée à USH2A.
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Étant donné que les mutations pathogènes les plus prévalentes provoquant la rétinite pigmentaire USH2A résident dans l'exon 13, par exemple c.2299delG, l'élimination de l'exon 13 du pré-ARNm USH2A supprime non seulement ces mutations mais restaure également la trame de lecture ouverte de USH2A, la traduction de la traduction USH2A exon13 et par conséquent la fonction de USH2A. Par conséquent, le vecteur d'ARNsn recombinant spécifique d'AAV USH2A selon l'invention fournit une approche de thérapie génique pour le traitement de la dégénérescence rétinienne et de la perte d'audition associée à USH2A.</abstract><oa>free_for_read</oa></addata></record>
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subjects BEER
BIOCHEMISTRY
CHEMISTRY
COMPOSITIONS THEREOF
CULTURE MEDIA
ENZYMOLOGY
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
MICROBIOLOGY
MICROORGANISMS OR ENZYMES
MUTATION OR GENETIC ENGINEERING
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS
SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
SPIRITS
VINEGAR
WINE
title GENE THERAPY OF USH2A-ASSOCIATED DISEASES
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