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1. WO2020076892 - REGULATED GENE EDITING SYSTEM

Publication Number WO/2020/076892
Publication Date 16.04.2020
International Application No. PCT/US2019/055310
International Filing Date 09.10.2019
IPC
C12N 15/86 2006.01
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15Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
09Recombinant DNA-technology
63Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
79Vectors or expression systems specially adapted for eukaryotic hosts
85for animal cells
86Viral vectors
C12N 9/22 2006.01
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9Enzymes, e.g. ligases (6.); Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating, or purifying enzymes
14Hydrolases (3.)
16acting on ester bonds (3.1)
22Ribonucleases
C12N 15/10 2006.01
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15Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
09Recombinant DNA-technology
10Processes for the isolation, preparation or purification of DNA or RNA
C12N 15/113 2010.01
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15Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
09Recombinant DNA-technology
11DNA or RNA fragments; Modified forms thereof
113Non-coding nucleic acids modulating the expression of genes, e.g. antisense oligonucleotides
C12N 15/90 2006.01
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15Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
09Recombinant DNA-technology
87Introduction of foreign genetic material using processes not otherwise provided for, e.g. co-transformation
90Stable introduction of foreign DNA into chromosome
A61K 31/7088 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
31Medicinal preparations containing organic active ingredients
70Carbohydrates; Sugars; Derivatives thereof
7088Compounds having three or more nucleosides or nucleotides
CPC
A61K 31/7088
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
31Medicinal preparations containing organic active ingredients
70Carbohydrates; Sugars; Derivatives thereof
7088Compounds having three or more nucleosides or nucleotides
C12N 15/10
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15Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
09Recombinant DNA-technology
10Processes for the isolation, preparation or purification of DNA or RNA
C12N 15/113
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15Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
09Recombinant DNA-technology
11DNA or RNA fragments; Modified forms thereof
113Non-coding nucleic acids modulating the expression of genes, e.g. antisense oligonucleotides; Antisense DNA or RNA; Triplex- forming oligonucleotides; Catalytic nucleic acids, e.g. ribozymes; Nucleic acids used in co-suppression or gene silencing
C12N 15/86
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15Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
09Recombinant DNA-technology
63Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
79Vectors or expression systems specially adapted for eukaryotic hosts
85for animal cells
86Viral vectors
C12N 15/90
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12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
15Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
09Recombinant DNA-technology
87Introduction of foreign genetic material using processes not otherwise provided for, e.g. co-transformation
90Stable introduction of foreign DNA into chromosome
C12N 9/22
CCHEMISTRY; METALLURGY
12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
9Enzymes; Proenzymes; Compositions thereof
14Hydrolases (3)
16acting on ester bonds (3.1)
22Ribonucleases ; RNAses, DNAses
Applicants
  • THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL [US]/[US]
Inventors
  • SAMULSKI, Richard Jude
Agents
  • SCHWARTZMAN, Robert A.
Priority Data
62/743,31709.10.2018US
62/870,42703.07.2019US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) REGULATED GENE EDITING SYSTEM
(FR) SYSTÈME D'ÉDITION DE GÈNES RÉGULÉ
Abstract
(EN)
The present invention provides a gene editing system having reduced off target effects comprising (a) a vector comprising a nucleic acid sequence encoding a nuclease, wherein the nucleic acid encoding the nuclease contains within its sequence a regulatory nucleic acid sequence having a first and second set of splice elements defining a first and second intron, wherein the first and second intron flank a sequence encoding a non-naturally occurring exon sequence containing an in-frame stop codon sequence, and wherein the first and second intron are spliced from the mRNA message to produce an mRNA encoding a non-functional nuclease that contains an amino acid sequence encoded by the non-naturally occurring exon; and (b) an oligonucleotide that binds to the regulatory sequence. Further provided are methods of using the gene editing system of this invention to regulate transgene expression.
(FR)
Système d'édition de gènes ayant des effets hors cible réduits comprenant (a) un vecteur comportant une séquence d'acide nucléique codant pour une nucléase, l'acide nucléique codant pour la nucléase contenant dans sa séquence une séquence d'acide nucléique régulatrice ayant un premier et un second ensemble d'éléments d'épissage délimitant un premier et un second intron, le premier et le second intron flanquant une séquence codant pour une séquence d'exon d'origine non naturelle contenant une séquence de codon stop respectant le cadre de lecture, et le premier et le second intron étant épissés à partir du message d'ARNm pour produire un ARNm codant pour une nucléase non fonctionnelle qui contient une séquence d'acides aminés codée par l'exon non naturel; et (b) un oligonucléotide qui se lie à la séquence régulatrice. L'invention concerne en outre des procédés d'utilisation du système d'édition de gènes de la présente invention pour réguler l'expression transgénique.
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