SG11201705820UA - Gene expression system using stealthy rna, and gene introduction/expression vector including said rna - Google Patents

Gene expression system using stealthy rna, and gene introduction/expression vector including said rna

Info

Publication number
SG11201705820UA
SG11201705820UA SG11201705820UA SG11201705820UA SG11201705820UA SG 11201705820U A SG11201705820U A SG 11201705820UA SG 11201705820U A SG11201705820U A SG 11201705820UA SG 11201705820U A SG11201705820U A SG 11201705820UA SG 11201705820U A SG11201705820U A SG 11201705820UA
Authority
SG
Singapore
Prior art keywords
rna
gene
stealthy
vector including
expression vector
Prior art date
Application number
SG11201705820UA
Other languages
English (en)
Inventor
Mahito Nakanishi
Minoru Iijima
Original Assignee
Nat Inst Advanced Ind Science & Tech
Tokiwa-Bio Inc
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 Nat Inst Advanced Ind Science & Tech, Tokiwa-Bio Inc filed Critical Nat Inst Advanced Ind Science & Tech
Publication of SG11201705820UA publication Critical patent/SG11201705820UA/en

Links

Classifications

    • 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
    • C12N15/79Vectors or expression systems specially adapted for eukaryotic hosts
    • C12N15/85Vectors or expression systems specially adapted for eukaryotic hosts for animal cells
    • C12N15/86Viral vectors
    • 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
    • C12N15/79Vectors or expression systems specially adapted for eukaryotic hosts
    • C12N15/85Vectors or expression systems specially adapted for eukaryotic hosts for animal cells
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K16/00Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
    • C07K16/18Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans
    • C07K16/28Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
    • C07K16/2863Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants against receptors for growth factors, growth regulators
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K16/00Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
    • C07K16/18Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans
    • C07K16/32Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against translation products of oncogenes
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K16/00Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
    • C07K16/46Hybrid immunoglobulins
    • C07K16/468Immunoglobulins having two or more different antigen binding sites, e.g. multifunctional antibodies
    • 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
    • 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
    • C12N5/00Undifferentiated human, animal or plant cells, e.g. cell lines; Tissues; Cultivation or maintenance thereof; Culture media therefor
    • C12N5/06Animal cells or tissues; Human cells or tissues
    • C12N5/0602Vertebrate cells
    • C12N5/0696Artificially induced pluripotent stem cells, e.g. iPS
    • 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
    • C12N5/00Undifferentiated human, animal or plant cells, e.g. cell lines; Tissues; Cultivation or maintenance thereof; Culture media therefor
    • C12N5/10Cells modified by introduction of foreign genetic material
    • C12N5/12Fused cells, e.g. hybridomas
    • C12N5/14Plant cells
    • 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
    • C12N7/00Viruses; Bacteriophages; Compositions thereof; Preparation or purification thereof
    • 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
    • C12N9/00Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
    • C12N9/10Transferases (2.)
    • C12N9/12Transferases (2.) transferring phosphorus containing groups, e.g. kinases (2.7)
    • C12N9/1241Nucleotidyltransferases (2.7.7)
    • C12N9/127RNA-directed RNA polymerase (2.7.7.48), i.e. RNA replicase
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/10Immunoglobulins specific features characterized by their source of isolation or production
    • C07K2317/14Specific host cells or culture conditions, e.g. components, pH or temperature
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/20Immunoglobulins specific features characterized by taxonomic origin
    • C07K2317/21Immunoglobulins specific features characterized by taxonomic origin from primates, e.g. man
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/30Immunoglobulins specific features characterized by aspects of specificity or valency
    • C07K2317/31Immunoglobulins specific features characterized by aspects of specificity or valency multispecific
    • 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
    • C12N2506/00Differentiation of animal cells from one lineage to another; Differentiation of pluripotent cells
    • C12N2506/02Differentiation of animal cells from one lineage to another; Differentiation of pluripotent cells from embryonic cells
    • 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
    • C12N2510/00Genetically modified cells
    • 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
    • C12N2760/00MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA ssRNA viruses negative-sense
    • C12N2760/00011Details
    • C12N2760/18011Paramyxoviridae
    • C12N2760/18811Sendai virus
    • 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
    • C12N2760/00MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA ssRNA viruses negative-sense
    • C12N2760/00011Details
    • C12N2760/18011Paramyxoviridae
    • C12N2760/18811Sendai virus
    • C12N2760/18841Use of virus, viral particle or viral elements as a vector
    • C12N2760/18843Use of virus, viral particle or viral elements as a vector viral genome or elements thereof as genetic vector
    • 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
    • C12N2800/00Nucleic acids vectors
    • C12N2800/22Vectors comprising a coding region that has been codon optimised for expression in a respective host
    • 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
    • C12N2800/00Nucleic acids vectors
    • C12N2800/70Vectors containing special elements for cloning, e.g. topoisomerase, adaptor sites
    • 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
    • C12N2820/00Vectors comprising a special origin of replication system
    • C12N2820/60Vectors comprising a special origin of replication system from viruses
    • 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
    • C12N2830/00Vector systems having a special element relevant for transcription
    • C12N2830/60Vector systems having a special element relevant for transcription from viruses
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12YENZYMES
    • C12Y207/00Transferases transferring phosphorus-containing groups (2.7)
    • C12Y207/07Nucleotidyltransferases (2.7.7)
    • C12Y207/07048RNA-directed RNA polymerase (2.7.7.48), i.e. RNA replicase

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Zoology (AREA)
  • Biomedical Technology (AREA)
  • Biotechnology (AREA)
  • General Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Microbiology (AREA)
  • Biophysics (AREA)
  • Immunology (AREA)
  • Medicinal Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plant Pathology (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Cell Biology (AREA)
  • Virology (AREA)
  • Botany (AREA)
  • Oncology (AREA)
  • Developmental Biology & Embryology (AREA)
  • Transplantation (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
SG11201705820UA 2015-01-16 2016-01-18 Gene expression system using stealthy rna, and gene introduction/expression vector including said rna SG11201705820UA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015007288 2015-01-16
PCT/JP2016/051336 WO2016114405A1 (ja) 2015-01-16 2016-01-18 ステルス性を有するrnaを使った遺伝子発現系および当該rnaを含む遺伝子導入・発現ベクター

Publications (1)

Publication Number Publication Date
SG11201705820UA true SG11201705820UA (en) 2017-08-30

Family

ID=56405944

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201705820UA SG11201705820UA (en) 2015-01-16 2016-01-18 Gene expression system using stealthy rna, and gene introduction/expression vector including said rna

Country Status (9)

Country Link
US (3) US10544431B2 (de)
EP (1) EP3246406B1 (de)
JP (3) JP6770224B2 (de)
KR (1) KR102459458B1 (de)
CN (1) CN107109400B (de)
CA (1) CA2973943A1 (de)
SG (1) SG11201705820UA (de)
TW (1) TWI696700B (de)
WO (1) WO2016114405A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108363904B (zh) * 2018-02-07 2019-06-28 南京林业大学 一种用于木本植物遗传密码子优化的CodonNX系统及其优化方法
CN110331165B (zh) * 2019-05-13 2021-05-11 深圳市瑞亚再生医学科技有限责任公司 用于人体细胞重编程的重组仙台病毒的制备方法及其应用
WO2021194672A1 (en) 2020-03-23 2021-09-30 Hdt Bio Corp. Compositions and methods for delivery of rna
CN110804627B (zh) * 2019-11-22 2022-12-13 中国科学院深圳先进技术研究院 一种表达E2-crimson的重组伪狂犬病毒及其制备方法和应用
WO2022165085A1 (en) * 2021-01-29 2022-08-04 Academia Sinica Kits and methods for nucleic acid delivery
WO2023049753A2 (en) * 2021-09-22 2023-03-30 Hdt Bio Corp. Compositions and methods for enhanced antigen binding proteins

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2407710A1 (en) 2000-04-26 2001-11-01 Zymogenetics, Inc. Methods for enhancing the expression of a protein of interest by recombinant host cells
EP2133428A1 (de) * 2004-03-09 2009-12-16 Eidgenössische Technische Hochschule Zürich Neue Baculovirusvektoren zur verbesserten Proteinproduktion
EP2208786B1 (de) 2005-12-13 2018-08-01 Kyoto University Nukleärer Reprogrammierungsfaktor
WO2008007581A1 (fr) * 2006-07-13 2008-01-17 Dnavec Corporation Vecteur de virus paramyxoviridae non répliquant
CN101743306A (zh) 2007-03-23 2010-06-16 威斯康星校友研究基金会 体细胞重编程
US8530233B2 (en) 2007-10-02 2013-09-10 Genetai Inc Expression vector with enhanced gene expression capacity and method for using the same
US7561973B1 (en) 2008-07-31 2009-07-14 Dna Twopointo, Inc. Methods for determining properties that affect an expression property value of polynucleotides in an expression system
US8401798B2 (en) 2008-06-06 2013-03-19 Dna Twopointo, Inc. Systems and methods for constructing frequency lookup tables for expression systems
CN104962583B (zh) 2008-07-16 2019-11-01 株式会社爱迪药业 使用染色体非整合型病毒载体制造经初始化的细胞的方法
JP5633075B2 (ja) * 2009-05-18 2014-12-03 独立行政法人産業技術総合研究所 多能性幹細胞作成用ベクター材料及びこれを用いた多能性幹細胞作成方法
US8496941B2 (en) 2009-06-03 2013-07-30 National Institute Of Advanced Industrial Science And Technology Vectors for generating pluripotent stem cells and methods of producing pluripotent stem cells using the same
US8326547B2 (en) 2009-10-07 2012-12-04 Nanjingjinsirui Science & Technology Biology Corp. Method of sequence optimization for improved recombinant protein expression using a particle swarm optimization algorithm
CN103189508B (zh) 2010-08-30 2016-08-10 生物载体株式会社 用于诱导多能性干细胞的组合物及其用途
JP5963309B2 (ja) * 2010-11-09 2016-08-03 国立研究開発法人産業技術総合研究所 末梢血単球由来多能性幹細胞作製方法

Also Published As

Publication number Publication date
JPWO2016114405A1 (ja) 2017-10-19
JP6770224B2 (ja) 2020-10-14
US20200190537A1 (en) 2020-06-18
US11834667B2 (en) 2023-12-05
CN107109400A (zh) 2017-08-29
EP3246406A1 (de) 2017-11-22
US20200157571A1 (en) 2020-05-21
US10544431B2 (en) 2020-01-28
JP2021006032A (ja) 2021-01-21
JP7174958B2 (ja) 2022-11-18
EP3246406B1 (de) 2022-03-09
TWI696700B (zh) 2020-06-21
CA2973943A1 (en) 2016-07-21
US20170369903A1 (en) 2017-12-28
EP3246406A4 (de) 2018-07-04
TW201636426A (zh) 2016-10-16
US11926840B2 (en) 2024-03-12
WO2016114405A1 (ja) 2016-07-21
KR20170101926A (ko) 2017-09-06
JP2022141733A (ja) 2022-09-29
CN107109400B (zh) 2021-06-08
KR102459458B1 (ko) 2022-10-25

Similar Documents

Publication Publication Date Title
IL291100A (en) RNA replicon for diverse and efficient gene expression
IL274442A (en) RNA sequence alignment
IL261327A (en) Trans duplication of RNA
EP3313989A4 (de) Modifizierte crispr-rna und modifizierte single-crispr-rna und verwendungen davon
SG10202106750YA (en) Mission-based, game-implemented cyber training system and method
GB201519584D0 (en) Nucleic acids, peptides and methods
EP3359691A4 (de) Vorrichtungen, systeme und verfahren zur nukleinsäuresequenzierung
SG11201705220YA (en) Novel communication and messaging system
HUE056009T2 (hu) DNS vektorok, transzpozonok és transzpozázok eukarióta genom módosítására
SI3265571T1 (sl) Več vektorski sistem in njegove uporabe
SG11201705820UA (en) Gene expression system using stealthy rna, and gene introduction/expression vector including said rna
EP3126506A4 (de) Genexpressionssystem und regulierung davon
SG11201808538QA (en) Trans-splicing rna (tsrna)
ZA202001649B (en) Rna molecules
EP3373938A4 (de) Neuartiges rna-basiertes vektorsystem zur vorübergehenden und stabilen genexpression
EP3216868A4 (de) Virusvektor, zelle und konstrukt
EP3377635A4 (de) T7-alpha-virusvektorsystem
EP3173482A4 (de) Rna-protein-komplex und rna- und proteinabgabesystem damit
ZA201803096B (en) Axmi554 delta-endotoxin gene and methods for its use
EP3481419A4 (de) Dai und ripk3 tragende rna-virusvektoren
EP3308789A4 (de) Nukleinsäurefreisetzungsträger, nukleinsäurefreisetzungskit und nukleinsäurefreisetzungsverfahren
GB201719895D0 (en) Dna, methods etc
GB201719896D0 (en) Dna, methods etc
SG10202008046UA (en) Nucleic acid oligomers and uses therefor
AU2015905380A0 (en) “nucleic acid oligomers and uses therefor”