FI120376B - Förfarande för producering av en biomodifierad polypeptid med hög affinitet - Google Patents

Förfarande för producering av en biomodifierad polypeptid med hög affinitet Download PDF

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Publication number
FI120376B
FI120376B FI20075028A FI20075028A FI120376B FI 120376 B FI120376 B FI 120376B FI 20075028 A FI20075028 A FI 20075028A FI 20075028 A FI20075028 A FI 20075028A FI 120376 B FI120376 B FI 120376B
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Prior art keywords
seq
antigen
peptide
binding
library
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FI20075028A
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English (en)
Finnish (fi)
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FI20075028A0 (sv
FI20075028A (sv
Inventor
Kalle Saksela
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Next Biomed Technologies Nbt O
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Publication date
Application filed by Next Biomed Technologies Nbt O filed Critical Next Biomed Technologies Nbt O
Publication of FI20075028A0 publication Critical patent/FI20075028A0/sv
Priority to FI20075028A priority Critical patent/FI120376B/sv
Priority to CN200880002505A priority patent/CN101646944A/zh
Priority to US12/522,838 priority patent/US20100048407A1/en
Priority to EP08701712A priority patent/EP2109772A4/en
Priority to AU2008206881A priority patent/AU2008206881A1/en
Priority to PCT/FI2008/050012 priority patent/WO2008087254A2/en
Priority to JP2009545963A priority patent/JP2010516660A/ja
Priority to CA002675122A priority patent/CA2675122A1/en
Publication of FI20075028A publication Critical patent/FI20075028A/sv
Application granted granted Critical
Publication of FI120376B publication Critical patent/FI120376B/sv

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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K16/00Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
    • C07K16/08Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from viruses
    • C07K16/10Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from viruses from RNA viruses
    • C07K16/1036Retroviridae, e.g. leukemia viruses
    • C07K16/1045Lentiviridae, e.g. HIV, FIV, SIV
    • C07K16/1054Lentiviridae, e.g. HIV, FIV, SIV gag-pol, e.g. p17, p24
    • 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
    • C12N15/10Processes for the isolation, preparation or purification of DNA or RNA
    • C12N15/1034Isolating an individual clone by screening libraries
    • C12N15/1037Screening libraries presented on the surface of microorganisms, e.g. phage display, E. coli display
    • 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
    • C12N15/10Processes for the isolation, preparation or purification of DNA or RNA
    • C12N15/1034Isolating an individual clone by screening libraries
    • C12N15/1058Directional evolution of libraries, e.g. evolution of libraries is achieved by mutagenesis and screening or selection of mixed population of organisms
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/5306Improving reaction conditions, e.g. reduction of non-specific binding, promotion of specific binding
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/569Immunoassay; Biospecific binding assay; Materials therefor for microorganisms, e.g. protozoa, bacteria, viruses
    • G01N33/56983Viruses
    • G01N33/56988HIV or HTLV
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2333/00Assays involving biological materials from specific organisms or of a specific nature
    • G01N2333/005Assays involving biological materials from specific organisms or of a specific nature from viruses
    • G01N2333/08RNA viruses
    • G01N2333/15Retroviridae, e.g. bovine leukaemia virus, feline leukaemia virus, feline leukaemia virus, human T-cell leukaemia-lymphoma virus
    • G01N2333/155Lentiviridae, e.g. visna-maedi virus, equine infectious virus, FIV, SIV
    • G01N2333/16HIV-1, HIV-2
    • G01N2333/161HIV-1, HIV-2 gag-pol, e.g. p55, p24/25, p17/18, p.7, p6, p66/68, p51/52, p31/34, p32, p40

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Immunology (AREA)
  • Virology (AREA)
  • Molecular Biology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Organic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Biochemistry (AREA)
  • Urology & Nephrology (AREA)
  • Biotechnology (AREA)
  • Medicinal Chemistry (AREA)
  • AIDS & HIV (AREA)
  • Physics & Mathematics (AREA)
  • Microbiology (AREA)
  • Biophysics (AREA)
  • Analytical Chemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Pathology (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Food Science & Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Cell Biology (AREA)
  • General Engineering & Computer Science (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Tropical Medicine & Parasitology (AREA)
  • Oncology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Plant Pathology (AREA)
  • Ecology (AREA)
  • Bioinformatics & Computational Biology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Peptides Or Proteins (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)

Claims (6)

1. Förfarande för producering av en biomodifierad polypcptid med hög affinitet, vilken polypeptid kan bindas specifikt tili en 2-7 successiva eller icke-successiva aminosyror 5 läng konserverad epitop av HIV: s p24-antigen, vilket förfarande omfattar stegen: a) en ätminstone tvä aminosyror läng konserverad region väljs frän p24-antigenen genom en datoranalys pä p24-antigenens kända aminosyrasekvenser; 10 b) en peptid som baserar sig pä p24-antigenens valda konserverade region produceras; c) ett bibliotek pä partiklar som uttrycker bindningsproteiner bringas i kontakt med den nämnda peptiden; 15 d) de partiklar som uttrycker bindningsproteiner med bindningsaktivitet mot den nämnda peptiden isoleras; e) en nukleinsyra som har erhällits eller härletts frän den i steg d) isolerade partikeln eller de i steg d) isolerade partiklarna utsätts för mutagenes; 20 f) ett bibliotek pä partiklar som uttrycker bindningsproteiner produceras pä basis av de i steg e) erhällna partiklarna; g) det i steg f) erhällna biblioteket bringas i kontakt med den nämnda peptiden eller ett 25 fragment därav; h) de partiklar som uttrycker bindningsproteiner med en förbättrad bindningsaktivitet mot den nämnda peptiden eller ett fragment därav isoleras; 30 i) stegen e) - h) upprepas en eller Hera gänger; j) en biomodifierad polypeptid med hög affinitet som kan bindas specifikt till en 2-7 successiva eller icke-successiva aminosyror läng konserverad epitop av HIV:s p24-antigen tas frän de i steg i) erhällna partiklarna. 5
2. Förfarande enligt patentkrav 1, varvid det nämnda biblioteket är ett fagbibliotek pä enkelkedjiga antikroppar.
3. Förfarande enligt patentkrav 1, varvid den nämnda biomodifierade polypeptiden med hög affinitet har en affinitet pä 10"12 -10'15 M i förhällande tili epitopen. 10
4. Förfarande enligt patentkrav 1, varvid den nämnda peptiden har valts frän en grupp som bestär av följande peptider: RTLNAWVK (SEQ ID NO:l),
15 VGGHQAAMQ (SEQ ID NO:2), WDRLHP (SEQ ID NO:3), P R G S D IA G (SEQ ID NO:4), G L N KIV (SEQ ID NO:5), V R M Y S P (SEQ ID NO:6),
20. G P K E (SEQ ID NO:7), FRDYVDRF (SEQ ID NO:8), L R A E Q (SEQ ID NO:9), WMTETLL (SEQ ID NO:10), WMTDTLL (SEQ ID NO:ll),
25 QN A N P D C (SEQ ID NO: 12), E E M M T A C (SEQ ID NO:13), och ACQGVGGP (SEQ ID NO:14).
5. Förfarande enligt patentkrav 4, varvid epitopen bestär av 2 - 3, 2 - 4, 2 - 5, 2 - 6, 3 - 4, 30 3-5 eller 3-6 successiva eller icke-successiva aminosyrarester.
6. Förfarande enligt patentkrav 4, varvid epitopen bestär av 2, 3, 4, 5 eller 6 successiva eller icke-successiva aminosyrarester.
FI20075028A 2007-01-17 2007-01-17 Förfarande för producering av en biomodifierad polypeptid med hög affinitet FI120376B (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FI20075028A FI120376B (sv) 2007-01-17 2007-01-17 Förfarande för producering av en biomodifierad polypeptid med hög affinitet
AU2008206881A AU2008206881A1 (en) 2007-01-17 2008-01-17 Method for detection of human immunodeficiency virus
US12/522,838 US20100048407A1 (en) 2007-01-17 2008-01-17 Method for detection of human immunodeficiency virus
EP08701712A EP2109772A4 (en) 2007-01-17 2008-01-17 METHOD FOR DETECTING HUMAN IMMUNE DISEASE VIRUS
CN200880002505A CN101646944A (zh) 2007-01-17 2008-01-17 检测人免疫缺陷病毒的方法
PCT/FI2008/050012 WO2008087254A2 (en) 2007-01-17 2008-01-17 Method for detection of human immunodeficiency virus
JP2009545963A JP2010516660A (ja) 2007-01-17 2008-01-17 ヒト免疫不全ウイルスの検出方法
CA002675122A CA2675122A1 (en) 2007-01-17 2008-01-17 Method for detection of human immunodeficiency virus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20075028A FI120376B (sv) 2007-01-17 2007-01-17 Förfarande för producering av en biomodifierad polypeptid med hög affinitet
FI20075028 2007-01-17

Publications (3)

Publication Number Publication Date
FI20075028A0 FI20075028A0 (sv) 2007-01-17
FI20075028A FI20075028A (sv) 2008-07-18
FI120376B true FI120376B (sv) 2009-09-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
FI20075028A FI120376B (sv) 2007-01-17 2007-01-17 Förfarande för producering av en biomodifierad polypeptid med hög affinitet

Country Status (8)

Country Link
US (1) US20100048407A1 (sv)
EP (1) EP2109772A4 (sv)
JP (1) JP2010516660A (sv)
CN (1) CN101646944A (sv)
AU (1) AU2008206881A1 (sv)
CA (1) CA2675122A1 (sv)
FI (1) FI120376B (sv)
WO (1) WO2008087254A2 (sv)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO314588B1 (no) * 2000-09-04 2003-04-14 Bionor Immuno As HIV-peptider, antigener, vaksinesammensetning, immunoassay- testsett og en fremgangsmåte for å påvise antistoffer indusert av HIV
US6818392B2 (en) * 2000-12-06 2004-11-16 Abbott Laboratories Monoclonal antibodies to human immunodeficiency virus and uses thereof
US6833441B2 (en) * 2001-08-01 2004-12-21 Abmaxis, Inc. Compositions and methods for generating chimeric heteromultimers

Also Published As

Publication number Publication date
WO2008087254A2 (en) 2008-07-24
FI20075028A0 (sv) 2007-01-17
JP2010516660A (ja) 2010-05-20
FI20075028A (sv) 2008-07-18
AU2008206881A1 (en) 2008-07-24
EP2109772A1 (en) 2009-10-21
US20100048407A1 (en) 2010-02-25
CN101646944A (zh) 2010-02-10
CA2675122A1 (en) 2008-07-24
EP2109772A4 (en) 2010-09-29
WO2008087254A8 (en) 2009-07-30

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