SG11201507474QA - RIBONUCLEIC ACIDs WITH 4'-THIO-MODIFIED NUCLEOTIDES AND RELATED METHODS - Google Patents

RIBONUCLEIC ACIDs WITH 4'-THIO-MODIFIED NUCLEOTIDES AND RELATED METHODS

Info

Publication number
SG11201507474QA
SG11201507474QA SG11201507474QA SG11201507474QA SG11201507474QA SG 11201507474Q A SG11201507474Q A SG 11201507474QA SG 11201507474Q A SG11201507474Q A SG 11201507474QA SG 11201507474Q A SG11201507474Q A SG 11201507474QA SG 11201507474Q A SG11201507474Q A SG 11201507474QA
Authority
SG
Singapore
Prior art keywords
thio
modified nucleotides
related methods
ribonucleic acids
ribonucleic
Prior art date
Application number
SG11201507474QA
Other languages
English (en)
Inventor
Frank Derosa
Michael Heartlein
Original Assignee
Shire Human Genetic Therapies
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shire Human Genetic Therapies filed Critical Shire Human Genetic Therapies
Publication of SG11201507474QA publication Critical patent/SG11201507474QA/en

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P43/00Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07HSUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H21/00Compounds containing two or more mononucleotide units having separate phosphate or polyphosphate groups linked by saccharide radicals of nucleoside groups, e.g. nucleic acids
    • C07H21/02Compounds containing two or more mononucleotide units having separate phosphate or polyphosphate groups linked by saccharide radicals of nucleoside groups, e.g. nucleic acids with ribosyl as saccharide radical
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N15/00Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
    • C12N15/09Recombinant DNA-technology
    • C12N15/63Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
    • C12N15/67General methods for enhancing the expression
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/10Dispersions; Emulsions
    • A61K9/127Liposomes
    • A61K9/1271Non-conventional liposomes, e.g. PEGylated liposomes, liposomes coated with polymers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/10Dispersions; Emulsions
    • A61K9/127Liposomes
    • A61K9/1271Non-conventional liposomes, e.g. PEGylated liposomes, liposomes coated with polymers
    • A61K9/1272Non-conventional liposomes, e.g. PEGylated liposomes, liposomes coated with polymers with substantial amounts of non-phosphatidyl, i.e. non-acylglycerophosphate, surfactants as bilayer-forming substances, e.g. cationic lipids
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2310/00Structure or type of the nucleic acid
    • C12N2310/30Chemical structure
    • C12N2310/35Nature of the modification
    • C12N2310/351Conjugate
    • C12N2310/3515Lipophilic moiety, e.g. cholesterol

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Biotechnology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Molecular Biology (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Physics & Mathematics (AREA)
  • Microbiology (AREA)
  • Plant Pathology (AREA)
  • Biophysics (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Animal Behavior & Ethology (AREA)
  • Medicinal Chemistry (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Epidemiology (AREA)
  • Dispersion Chemistry (AREA)
  • Medicinal Preparation (AREA)
  • Nanotechnology (AREA)
  • Optics & Photonics (AREA)
SG11201507474QA 2013-03-14 2014-03-14 RIBONUCLEIC ACIDs WITH 4'-THIO-MODIFIED NUCLEOTIDES AND RELATED METHODS SG11201507474QA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361785098P 2013-03-14 2013-03-14
PCT/US2014/027422 WO2014152513A1 (en) 2013-03-14 2014-03-14 RIBONUCLEIC ACIDs WITH 4'-THIO-MODIFIED NUCLEOTIDES AND RELATED METHODS

Publications (1)

Publication Number Publication Date
SG11201507474QA true SG11201507474QA (en) 2015-10-29

Family

ID=50639964

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201507474QA SG11201507474QA (en) 2013-03-14 2014-03-14 RIBONUCLEIC ACIDs WITH 4'-THIO-MODIFIED NUCLEOTIDES AND RELATED METHODS

Country Status (16)

Country Link
US (4) US10266559B2 (es)
EP (3) EP3750903A1 (es)
JP (1) JP6567494B2 (es)
KR (1) KR20150127582A (es)
CN (1) CN105026411A (es)
AU (2) AU2014239562B2 (es)
BR (1) BR112015022507A2 (es)
CA (1) CA2902884C (es)
EA (1) EA201591281A1 (es)
ES (2) ES2797974T3 (es)
HK (1) HK1219955A1 (es)
IL (1) IL240465A0 (es)
MX (1) MX2015011943A (es)
SG (1) SG11201507474QA (es)
WO (1) WO2014152513A1 (es)
ZA (1) ZA201507605B (es)

Families Citing this family (71)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PT2506857T (pt) 2009-12-01 2018-05-14 Translate Bio Inc Entrega de arnm para o acréscimo de proteínas e enzimas em doenças genéticas humanas
US8710200B2 (en) 2011-03-31 2014-04-29 Moderna Therapeutics, Inc. Engineered nucleic acids encoding a modified erythropoietin and their expression
AU2012267578B2 (en) 2011-06-08 2017-04-20 Translate Bio, Inc. Cleavable lipids
CA3107288A1 (en) 2011-06-08 2012-12-13 Translate Bio, Inc. Lipid nanoparticle compositions and methods for mrna delivery
WO2013151667A1 (en) 2012-04-02 2013-10-10 modeRNA Therapeutics Modified polynucleotides
US9283287B2 (en) 2012-04-02 2016-03-15 Moderna Therapeutics, Inc. Modified polynucleotides for the production of nuclear proteins
WO2013185067A1 (en) 2012-06-08 2013-12-12 Shire Human Genetic Therapies, Inc. Nuclease resistant polynucleotides and uses thereof
EP2970955B1 (en) 2013-03-14 2018-11-14 Translate Bio, Inc. Methods for purification of messenger rna
EA037922B1 (ru) 2013-03-14 2021-06-07 Шир Хьюман Дженетик Терапис, Инк. мРНК CFTR И КОМПОЗИЦИИ ДЛЯ ЛЕЧЕНИЯ МУКОВИСЦИДОЗА У МЛЕКОПИТАЮЩЕГО
US10138507B2 (en) 2013-03-15 2018-11-27 Modernatx, Inc. Manufacturing methods for production of RNA transcripts
WO2014152030A1 (en) 2013-03-15 2014-09-25 Moderna Therapeutics, Inc. Removal of dna fragments in mrna production process
WO2014144767A1 (en) 2013-03-15 2014-09-18 Moderna Therapeutics, Inc. Ion exchange purification of mrna
EP2971161B1 (en) 2013-03-15 2018-12-26 ModernaTX, Inc. Ribonucleic acid purification
US10005779B2 (en) * 2013-06-05 2018-06-26 Idenix Pharmaceuticals Llc 1′,4′-thio nucleosides for the treatment of HCV
SI3019619T1 (sl) 2013-07-11 2021-12-31 Modernatx, Inc. Sestave, ki zajemajo sintetične polinukleotide, ki kodirajo proteine, pozvezane s crispr, in sintetične sgrna, ter metode uporabe
US10385088B2 (en) 2013-10-02 2019-08-20 Modernatx, Inc. Polynucleotide molecules and uses thereof
KR20160067219A (ko) 2013-10-03 2016-06-13 모더나 세라퓨틱스, 인코포레이티드 저밀도 지단백질 수용체를 암호화하는 폴리뉴클레오타이드
EA034103B1 (ru) 2013-10-22 2019-12-27 Транслейт Био, Инк. СПОСОБ ЛЕЧЕНИЯ ФЕНИЛКЕТОНУРИИ С ПРИМЕНЕНИЕМ мРНК
EP4276176A3 (en) 2013-10-22 2024-01-10 Translate Bio, Inc. Mrna therapy for argininosuccinate synthetase deficiency
JP6571679B2 (ja) 2014-04-25 2019-09-04 トランスレイト バイオ, インコーポレイテッド メッセンジャーrnaの精製方法
US10286086B2 (en) 2014-06-19 2019-05-14 Modernatx, Inc. Alternative nucleic acid molecules and uses thereof
EP3169335B8 (en) 2014-07-16 2019-10-09 ModernaTX, Inc. Circular polynucleotides
GB201508025D0 (en) 2015-05-11 2015-06-24 Ucl Business Plc Fabry disease gene therapy
WO2017049286A1 (en) 2015-09-17 2017-03-23 Moderna Therapeutics, Inc. Polynucleotides containing a morpholino linker
CA3007108A1 (en) 2015-12-17 2017-06-22 Modernatx, Inc. Polynucleotides encoding methylmalonyl-coa mutase
WO2017127750A1 (en) 2016-01-22 2017-07-27 Modernatx, Inc. Messenger ribonucleic acids for the production of intracellular binding polypeptides and methods of use thereof
KR102369898B1 (ko) * 2016-04-08 2022-03-03 트랜슬레이트 바이오 인코포레이티드 다량체 코딩 핵산 및 그 용도
EP3442590A2 (en) 2016-04-13 2019-02-20 Modernatx, Inc. Lipid compositions and their uses for intratumoral polynucleotide delivery
PL3458083T3 (pl) 2016-05-18 2023-03-13 Modernatx, Inc. Polinukleotydy kodujące interleukinę-12 (il12) i ich zastosowania
US11801227B2 (en) 2016-05-18 2023-10-31 Modernatx, Inc. Polynucleotides encoding cystic fibrosis transmembrane conductance regulator for the treatment of cystic fibrosis
EP3458590B9 (en) 2016-05-18 2021-08-18 ModernaTX, Inc. Polynucleotides encoding -galactosidase a for the treatment of fabry disease
MX2019010155A (es) 2017-02-27 2020-12-10 Translate Bio Inc Arnm de cftr optimizado por codón novedoso.
HUE059025T2 (hu) 2017-02-27 2022-10-28 Translate Bio Inc Módszerek a hírvívõ RNS tisztítására
ES2925083T3 (es) 2017-02-27 2022-10-13 Translate Bio Inc Métodos de purificación de ARN mensajero
EP3592728A1 (en) 2017-03-07 2020-01-15 Translate Bio, Inc. Polyanionic delivery of nucleic acids
AU2018268859A1 (en) 2017-05-16 2019-12-12 Translate Bio, Inc. Treatment of cystic fibrosis by delivery of codon-optimized mrna encoding CFTR
MX2019014412A (es) 2017-05-31 2020-02-10 Ultragenyx Pharmaceutical Inc Productos terapeuticos para la enfermedad de almacenamiento de glucogeno de tipo iii.
WO2018231709A1 (en) 2017-06-12 2018-12-20 Translate Bio, Inc. Poly(phosphoesters) for delivery of nucleic acids
WO2018231990A2 (en) 2017-06-14 2018-12-20 Modernatx, Inc. Polynucleotides encoding methylmalonyl-coa mutase
WO2018236849A1 (en) 2017-06-19 2018-12-27 Translate Bio, Inc. MESSENGER RNA THERAPY FOR THE TREATMENT OF FRIEDREICH ATAXIA
US11859215B2 (en) 2017-11-22 2024-01-02 Modernatx, Inc. Polynucleotides encoding ornithine transcarbamylase for the treatment of urea cycle disorders
US11939601B2 (en) 2017-11-22 2024-03-26 Modernatx, Inc. Polynucleotides encoding phenylalanine hydroxylase for the treatment of phenylketonuria
EP3746496A1 (en) 2018-02-02 2020-12-09 Translate Bio, Inc. Cationic polymers
JP7448488B2 (ja) * 2018-05-15 2024-03-12 トランスレイト バイオ, インコーポレイテッド メッセンジャーrnaの皮下送達
CN112384523A (zh) 2018-05-16 2021-02-19 川斯勒佰尔公司 核糖阳离子脂质
CN112437767B (zh) 2018-05-24 2023-10-27 川斯勒佰尔公司 硫酯阳离子脂质
WO2019232208A1 (en) 2018-05-30 2019-12-05 Translate Bio, Inc. Cationic lipids comprising a steroidal moiety
EP3801627A1 (en) 2018-05-30 2021-04-14 Translate Bio, Inc. Phosphoester cationic lipids
CA3101454A1 (en) * 2018-05-30 2019-12-05 Translate Bio, Inc. Messenger rna vaccines and uses thereof
JP7441802B2 (ja) 2018-05-30 2024-03-01 トランスレイト バイオ, インコーポレイテッド ビタミンカチオン性脂質
EP3826608A1 (en) * 2018-07-23 2021-06-02 Translate Bio, Inc. Dry power formulations for messenger rna
US11174500B2 (en) 2018-08-24 2021-11-16 Translate Bio, Inc. Methods for purification of messenger RNA
EP3856146A4 (en) 2018-09-28 2022-07-06 Nutcracker Therapeutics, Inc. LIPIDATED CATIONIC PEPTIDE COMPOUNDS FOR NUCLEIC ACID DELIVERY
CN113166783A (zh) 2018-10-09 2021-07-23 不列颠哥伦比亚大学 包含无有机溶剂和去污剂的转染活性囊泡的组合物和系统以及与之相关的方法
WO2020097509A1 (en) 2018-11-08 2020-05-14 Translate Bio, Inc. Methods and compositions for messenger rna purification
CA3117866A1 (en) 2018-11-09 2020-05-14 Translate Bio, Inc. Multi-peg lipid compounds
EP3877368A1 (en) 2018-11-09 2021-09-15 Translate Bio, Inc. 2,5-dioxopiperazine lipids with intercalated ester, thioester, disulfide and anhydride moieities
WO2020097379A2 (en) 2018-11-09 2020-05-14 Translate Bio, Inc. Peg lipidoid compounds
WO2020106903A1 (en) 2018-11-21 2020-05-28 Translate Bio, Inc. Cationic lipid compounds and compositions thereof for use in the delivery of messenger rna
US20220177423A1 (en) 2019-04-18 2022-06-09 Translate Bio, Inc. Cystine cationic lipids
US20220233444A1 (en) 2019-04-22 2022-07-28 Translate Bio, Inc. Thioester cationic lipids
WO2020227085A1 (en) 2019-05-03 2020-11-12 Translate Bio, Inc. Di-thioester cationic lipids
US20220226244A1 (en) 2019-05-31 2022-07-21 Translate Bio, Inc. Macrocyclic lipids
WO2020257611A1 (en) 2019-06-21 2020-12-24 Translate Bio, Inc. Cationic lipids comprising an hydroxy moiety
JP2022537580A (ja) 2019-06-21 2022-08-26 トランスレイト バイオ, インコーポレイテッド トリシンおよびクエン酸脂質
CN111041025B (zh) 2019-12-17 2021-06-18 深圳市瑞吉生物科技有限公司 基于结合N-乙酰半乳糖胺多肽的mRNA靶向分子及其制备方法
WO2021202788A2 (en) * 2020-04-03 2021-10-07 Ionis Pharmaceuticals, Inc. Modified oligomeric compounds and uses thereof
WO2021231697A1 (en) 2020-05-14 2021-11-18 Translate Bio, Inc. Peg lipidoid compounds
CN111744019B (zh) 2020-07-01 2023-08-04 深圳瑞吉生物科技有限公司 基于甘露糖的mRNA靶向递送系统及其应用
CN114736260A (zh) * 2022-03-29 2022-07-12 上海吉量医药工程有限公司 一种三磷酸核苷酸盐的制备方法
WO2023239190A1 (ko) * 2022-06-10 2023-12-14 주식회사 피노바이오 4'-티오-5-아자-2'-데옥시사이티딘의 제조방법

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ210501A (en) * 1983-12-13 1991-08-27 Kirin Amgen Inc Erythropoietin produced by procaryotic or eucaryotic expression of an exogenous dna sequence
FR2687679B1 (fr) 1992-02-05 1994-10-28 Centre Nat Rech Scient Oligothionucleotides.
JP5379347B2 (ja) * 2003-09-18 2013-12-25 アイシス ファーマシューティカルズ, インコーポレーテッド 4’−チオヌクレオシドおよびオリゴマー化合物
WO2008103276A2 (en) * 2007-02-16 2008-08-28 Merck & Co., Inc. Compositions and methods for potentiated activity of biologicaly active molecules
WO2010053572A2 (en) 2008-11-07 2010-05-14 Massachusetts Institute Of Technology Aminoalcohol lipidoids and uses thereof
DE102009032885A1 (de) 2009-07-13 2011-02-03 Siemens Aktiengesellschaft Ringförmiger Rotor für eine elektrische Maschine
PT2506857T (pt) * 2009-12-01 2018-05-14 Translate Bio Inc Entrega de arnm para o acréscimo de proteínas e enzimas em doenças genéticas humanas
CA3107288A1 (en) 2011-06-08 2012-12-13 Translate Bio, Inc. Lipid nanoparticle compositions and methods for mrna delivery
AU2012267578B2 (en) 2011-06-08 2017-04-20 Translate Bio, Inc. Cleavable lipids
RU2648950C2 (ru) 2011-10-03 2018-04-02 Модерна Терапьютикс, Инк. Модифицированные нуклеозиды, нуклеотиды и нуклеиновые кислоты и их применение
US20160264614A1 (en) 2013-10-02 2016-09-15 Moderna Therapeutics, Inc. Polynucleotide molecules and uses thereof
US10385088B2 (en) 2013-10-02 2019-08-20 Modernatx, Inc. Polynucleotide molecules and uses thereof
US20150167017A1 (en) 2013-12-13 2015-06-18 Moderna Therapeutics, Inc. Alternative nucleic acid molecules and uses thereof
WO2016164762A1 (en) 2015-04-08 2016-10-13 Moderna Therapeutics, Inc. Polynucleotides encoding low density lipoprotein receptor egf-a and intracellular domain mutants and methods of using the same

Also Published As

Publication number Publication date
US10822368B2 (en) 2020-11-03
WO2014152513A1 (en) 2014-09-25
JP6567494B2 (ja) 2019-08-28
AU2014239562A1 (en) 2015-08-27
EP3301102A1 (en) 2018-04-04
AU2014239562B2 (en) 2018-07-05
CA2902884A1 (en) 2014-09-25
BR112015022507A2 (pt) 2017-10-24
MX2015011943A (es) 2015-12-01
EP3301102B1 (en) 2020-04-15
EP3750903A1 (en) 2020-12-16
US20210009629A1 (en) 2021-01-14
US10266559B2 (en) 2019-04-23
CA2902884C (en) 2021-05-25
ES2647832T3 (es) 2017-12-26
ES2797974T3 (es) 2020-12-04
US11447520B2 (en) 2022-09-20
ZA201507605B (en) 2017-01-25
CN105026411A (zh) 2015-11-04
AU2018203985A1 (en) 2018-06-21
AU2018203985B2 (en) 2019-09-19
US20160031928A1 (en) 2016-02-04
HK1219955A1 (zh) 2017-04-21
EP2970351A1 (en) 2016-01-20
US20190263850A1 (en) 2019-08-29
IL240465A0 (en) 2015-09-24
EA201591281A1 (ru) 2016-02-29
EP2970351B1 (en) 2017-09-13
US20230192753A1 (en) 2023-06-22
KR20150127582A (ko) 2015-11-17
JP2016513470A (ja) 2016-05-16

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