IL282053B2 - Constructions of glut1-linked recombinant aav vectors, preparations and kits containing them and their use - Google Patents

Constructions of glut1-linked recombinant aav vectors, preparations and kits containing them and their use

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Publication number
IL282053B2
IL282053B2 IL282053A IL28205321A IL282053B2 IL 282053 B2 IL282053 B2 IL 282053B2 IL 282053 A IL282053 A IL 282053A IL 28205321 A IL28205321 A IL 28205321A IL 282053 B2 IL282053 B2 IL 282053B2
Authority
IL
Israel
Prior art keywords
glutl
seq
recombinant aav
vector
subject
Prior art date
Application number
IL282053A
Other languages
English (en)
Hebrew (he)
Other versions
IL282053B (en
IL282053A (en
Original Assignee
Univ Columbia
Univ Massachusetts
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Filing date
Publication date
Application filed by Univ Columbia, Univ Massachusetts filed Critical Univ Columbia
Publication of IL282053A publication Critical patent/IL282053A/en
Publication of IL282053B publication Critical patent/IL282053B/en
Publication of IL282053B2 publication Critical patent/IL282053B2/en

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K38/00—Medicinal preparations containing peptides
    • A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
    • A61K38/17—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
    • A61K38/177—Receptors; Cell surface antigens; Cell surface determinants
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N5/00—Undifferentiated human, animal or plant cells, e.g. cell lines; Tissues; Cultivation or maintenance thereof; Culture media therefor
    • C12N5/06—Animal cells or tissues; Human cells or tissues
    • C12N5/0602—Vertebrate cells
    • C12N5/069—Vascular Endothelial cells
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K38/00—Medicinal preparations containing peptides
    • A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K48/00—Medicinal preparations containing genetic material which is inserted into cells of the living body to treat genetic diseases; Gene therapy
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K48/00—Medicinal preparations containing genetic material which is inserted into cells of the living body to treat genetic diseases; Gene therapy
    • A61K48/0008—Medicinal preparations containing genetic material which is inserted into cells of the living body to treat genetic diseases; Gene therapy characterised by an aspect of the 'non-active' part of the composition delivered, e.g. wherein such 'non-active' part is not delivered simultaneously with the 'active' part of the composition
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K48/00—Medicinal preparations containing genetic material which is inserted into cells of the living body to treat genetic diseases; Gene therapy
    • A61K48/005—Medicinal preparations containing genetic material which is inserted into cells of the living body to treat genetic diseases; Gene therapy characterised by an aspect of the 'active' part of the composition delivered, i.e. the nucleic acid delivered
    • A61K48/0058—Nucleic acids adapted for tissue specific expression, e.g. having tissue specific promoters as part of a contruct
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A61P25/14—Drugs for disorders of the nervous system for treating abnormal movements, e.g. chorea, dyskinesia
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A61P25/28—Drugs for disorders of the nervous system for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
    • C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
    • C07K14/705—Receptors; Cell surface antigens; Cell surface determinants
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N15/00—Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
    • C12N15/09—Recombinant DNA-technology
    • C12N15/11—DNA or RNA fragments; Modified forms thereof; Non-coding nucleic acids having a biological activity
    • C12N15/113—Non-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
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N15/00—Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
    • C12N15/09—Recombinant DNA-technology
    • C12N15/63—Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
    • C12N15/79—Vectors or expression systems specially adapted for eukaryotic hosts
    • C12N15/85—Vectors or expression systems specially adapted for eukaryotic hosts for animal cells
    • C12N15/86—Viral vectors
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2310/00—Structure or type of the nucleic acid
    • C12N2310/10—Type of nucleic acid
    • C12N2310/14—Type of nucleic acid interfering nucleic acids [NA]
    • C12N2310/141—MicroRNAs, miRNAs
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2750/00—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA ssDNA viruses
    • C12N2750/00011—Details
    • C12N2750/14011—Parvoviridae
    • C12N2750/14111—Dependovirus, e.g. adenoassociated viruses
    • C12N2750/14141—Use of virus, viral particle or viral elements as a vector
    • C12N2750/14143—Use of virus, viral particle or viral elements as a vector viral genome or elements thereof as genetic vector

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Genetics & Genomics (AREA)
  • General Health & Medical Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Organic Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Zoology (AREA)
  • Biotechnology (AREA)
  • Molecular Biology (AREA)
  • Wood Science & Technology (AREA)
  • Epidemiology (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Immunology (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Gastroenterology & Hepatology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Neurology (AREA)
  • Neurosurgery (AREA)
  • Biophysics (AREA)
  • Cell Biology (AREA)
  • Microbiology (AREA)
  • Physics & Mathematics (AREA)
  • Plant Pathology (AREA)
  • Virology (AREA)
  • Toxicology (AREA)
  • Psychology (AREA)
  • Hospice & Palliative Care (AREA)
  • Psychiatry (AREA)
  • Vascular Medicine (AREA)
IL282053A 2015-03-10 2016-03-10 Constructions of glut1-linked recombinant aav vectors, preparations and kits containing them and their use IL282053B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201562130899P 2015-03-10 2015-03-10
PCT/US2016/021810 WO2016145217A1 (en) 2015-03-10 2016-03-10 Recombinant glut1 adeno-associated viral vector constructs and related methods for restoring glut1 expression

Publications (3)

Publication Number Publication Date
IL282053A IL282053A (en) 2021-05-31
IL282053B IL282053B (en) 2022-11-01
IL282053B2 true IL282053B2 (en) 2023-03-01

Family

ID=56879055

Family Applications (2)

Application Number Title Priority Date Filing Date
IL282053A IL282053B2 (en) 2015-03-10 2016-03-10 Constructions of glut1-linked recombinant aav vectors, preparations and kits containing them and their use
IL254286A IL254286B (en) 2015-03-10 2017-09-03 Constructions of glut1-linked recombinant aav vectors and methods relating to restoration of glut1 expression

Family Applications After (1)

Application Number Title Priority Date Filing Date
IL254286A IL254286B (en) 2015-03-10 2017-09-03 Constructions of glut1-linked recombinant aav vectors and methods relating to restoration of glut1 expression

Country Status (18)

Country Link
US (2) US20180042991A1 (https=)
EP (1) EP3268024B1 (https=)
JP (3) JP2018509164A (https=)
KR (2) KR20240119152A (https=)
CN (1) CN107635575A (https=)
AU (1) AU2016229000B2 (https=)
CL (1) CL2017002282A1 (https=)
CO (1) CO2017010149A2 (https=)
DK (1) DK3268024T3 (https=)
EA (1) EA036051B1 (https=)
ES (1) ES2836258T3 (https=)
HU (1) HUE052577T2 (https=)
IL (2) IL282053B2 (https=)
MX (2) MX2017011615A (https=)
PT (1) PT3268024T (https=)
SG (1) SG11201707116QA (https=)
UA (1) UA128249C2 (https=)
WO (1) WO2016145217A1 (https=)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2716991C2 (ru) 2014-11-05 2020-03-17 Вояджер Терапьютикс, Инк. Полинуклеотиды aadc для лечения болезни паркинсона
JP6996728B2 (ja) * 2016-01-07 2022-01-17 学校法人自治医科大学 グルコーストランスポーター１発現用アデノ随伴ウイルスベクター
HUE055862T2 (hu) 2016-04-20 2021-12-28 Centro De Investig Energeticas Készítmények és eljárások PKLR fokozott génexpressziójára
JOP20190200A1 (ar) 2017-02-28 2019-08-27 Univ Pennsylvania تركيبات نافعة في معالجة ضمور العضل النخاعي
JOP20190269A1 (ar) 2017-06-15 2019-11-20 Voyager Therapeutics Inc بولي نوكليوتيدات aadc لعلاج مرض باركنسون
AU2018338728B2 (en) * 2017-09-29 2025-01-02 Centre National De La Recherche Scientifique (Cnrs) Rescue of central and peripheral neurological phenotype of Friedreich's Ataxia by intravenous delivery
US12441998B2 (en) 2017-10-12 2025-10-14 The Trustees Of Columbia University In The City Of New York SLC2A1 lncRNA as a biologic and related treatments and methods
SG11202002263TA (en) 2017-10-16 2020-04-29 Centro De Investigaciones Energeticas Medioambientales Y Tecnologicas Lentiviral vectors for delivery of pklr to treat pyruvate kinase deficiency
WO2019200167A1 (en) 2018-04-11 2019-10-17 Rocket Pharmaceuticals, Ltd. Compositions and methods for stem cell transplant
MX2020011386A (es) 2018-04-27 2021-01-29 Spacecraft Seven Llc Terapia genica para la degeneracion del snc.
AU2019265663B2 (en) * 2018-05-08 2024-06-13 Rutgers, The State University Of New Jersey AAV-compatible laminin-linker polymerization proteins
KR20210019996A (ko) 2018-05-15 2021-02-23 보이저 테라퓨틱스, 인크. 파킨슨병의 치료를 위한 조성물 및 방법
EP3856762A1 (en) 2018-09-28 2021-08-04 Voyager Therapeutics, Inc. Frataxin expression constructs having engineered promoters and methods of use thereof
US11162102B2 (en) 2019-05-13 2021-11-02 Dna Twopointo Inc. Modifications of mammalian cells using artificial micro-RNA to alter their properties and the compositions of their products
AU2020346062A1 (en) * 2019-09-13 2022-03-24 Rutgers, The State University Of New Jersey AAV-compatible laminin-linker polymerization proteins
US20230302104A1 (en) * 2020-05-01 2023-09-28 Atlas Biotechnology S.A. Treatment and/or prevention of a disease or a syndrome related to a virus infection
CA3185234A1 (en) * 2020-07-09 2022-01-13 Dorota Danuta KLYSZ Immune cells with increased glycolytic flux
CN116113700A (zh) * 2020-08-05 2023-05-12 太空飞船七有限责任公司 用于glut1表达的腺相关病毒载体及其用途
KR20230043869A (ko) 2020-08-07 2023-03-31 스페이스크래프트 세븐, 엘엘씨 Aav 벡터를 사용한 플라코필린-2(pkp2) 유전자 요법
WO2022051627A2 (en) * 2020-09-04 2022-03-10 Dna Twopointo Inc. Modifications of mammalian cells using artificial micro-rna to alter their properties and the compositions of their products
IL314602A (en) * 2022-02-08 2024-09-01 Spacecraft Seven Llc Adeno-associated viral vector for GLUT1 expression and uses thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100199362A1 (en) * 2007-04-26 2010-08-05 President And Fellows Of Harvard College Wnt ligands involved in blood-brain barrier development and uses therefor
US20120177605A1 (en) * 2008-12-19 2012-07-12 Nationwide Children's Hospital Inc. Delivery of Polynucleotides Across the Blood-Brain-Barrier Using Recombinant AAV9
US20120232130A1 (en) * 2009-04-16 2012-09-13 Cepko Constance L Methods for inhibiting starvation of a cell

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5399363A (en) 1991-01-25 1995-03-21 Eastman Kodak Company Surface modified anticancer nanoparticles
US5478745A (en) 1992-12-04 1995-12-26 University Of Pittsburgh Recombinant viral vector system
US5543158A (en) 1993-07-23 1996-08-06 Massachusetts Institute Of Technology Biodegradable injectable nanoparticles
IE80468B1 (en) 1995-04-04 1998-07-29 Elan Corp Plc Controlled release biodegradable nanoparticles containing insulin
US6001650A (en) 1995-08-03 1999-12-14 Avigen, Inc. High-efficiency wild-type-free AAV helper functions
EP0931158A1 (en) 1996-09-06 1999-07-28 The Trustees Of The University Of Pennsylvania An inducible method for production of recombinant adeno-associated viruses utilizing t7 polymerase
US6156303A (en) 1997-06-11 2000-12-05 University Of Washington Adeno-associated virus (AAV) isolates and AAV vectors derived therefrom
MX359371B (es) 2001-11-13 2018-09-25 Univ Pennsylvania Un metodo para detectar y/o identificar secuencias del virus adeno-asociado y aislamiento de secuencias novedosas identificadas de ese modo.
ES2740827T3 (es) * 2003-05-02 2020-02-06 Centre Nat Rech Scient GLUT-1 como receptor de envolturas del HTLV y sus usos
JP2006345703A (ja) * 2003-09-09 2006-12-28 Osaka Industrial Promotion Organization 高発現型汎用哺乳動物宿主細胞
EP2345731B1 (en) 2003-09-30 2015-10-21 The Trustees of the University of Pennsylvania Adeno-associated virus (AAV) clades, sequences, vectors containing same, and uses thereof
ES2525067T3 (es) 2005-04-07 2014-12-17 The Trustees Of The University Of Pennsylvania Método de incremento de la función de un vector de AAV
EP2561073B1 (en) * 2010-04-23 2016-08-24 University of Massachusetts Cns targeting aav vectors and methods of use thereof
EP2394667A1 (en) * 2010-06-10 2011-12-14 Laboratorios Del Dr. Esteve, S.A. Vectors and sequences for the treatment of diseases

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100199362A1 (en) * 2007-04-26 2010-08-05 President And Fellows Of Harvard College Wnt ligands involved in blood-brain barrier development and uses therefor
US20120177605A1 (en) * 2008-12-19 2012-07-12 Nationwide Children's Hospital Inc. Delivery of Polynucleotides Across the Blood-Brain-Barrier Using Recombinant AAV9
US20120232130A1 (en) * 2009-04-16 2012-09-13 Cepko Constance L Methods for inhibiting starvation of a cell

Also Published As

Publication number Publication date
JP2021097689A (ja) 2021-07-01
NZ735046A (en) 2024-11-29
JP2023144087A (ja) 2023-10-06
CA2978917A1 (en) 2016-09-15
KR20240119152A (ko) 2024-08-06
HUE052577T2 (hu) 2021-05-28
MX2017011615A (es) 2018-04-11
SG11201707116QA (en) 2017-09-28
JP2018509164A (ja) 2018-04-05
CL2017002282A1 (es) 2018-04-13
US20210069292A1 (en) 2021-03-11
BR112017019294A2 (pt) 2018-05-02
EP3268024B1 (en) 2020-09-09
UA128249C2 (uk) 2024-05-22
CN107635575A (zh) 2018-01-26
AU2016229000A1 (en) 2017-09-21
EP3268024A4 (en) 2018-08-01
IL254286A0 (en) 2017-10-31
CO2017010149A2 (es) 2018-02-28
WO2016145217A1 (en) 2016-09-15
AU2016229000B2 (en) 2021-11-04
PT3268024T (pt) 2020-12-09
ES2836258T3 (es) 2021-06-24
IL282053B (en) 2022-11-01
EA201791936A1 (ru) 2018-01-31
IL282053A (en) 2021-05-31
IL254286B (en) 2021-04-29
DK3268024T3 (da) 2020-12-07
MX2023001213A (es) 2023-03-03
US20180042991A1 (en) 2018-02-15
KR20180016722A (ko) 2018-02-19
EA201791936A8 (ru) 2018-11-30
EP3268024A1 (en) 2018-01-17
EA036051B1 (ru) 2020-09-18

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