WO2005123780A3 - Alteration of fcrn binding affinities or serum half-lives of antibodies by mutagenesis - Google Patents

Alteration of fcrn binding affinities or serum half-lives of antibodies by mutagenesis Download PDF

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Publication number
WO2005123780A3
WO2005123780A3 PCT/US2005/011996 US2005011996W WO2005123780A3 WO 2005123780 A3 WO2005123780 A3 WO 2005123780A3 US 2005011996 W US2005011996 W US 2005011996W WO 2005123780 A3 WO2005123780 A3 WO 2005123780A3
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WO
WIPO (PCT)
Prior art keywords
serum half
mutagenesis
lives
alteration
antibodies
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/US2005/011996
Other languages
French (fr)
Other versions
WO2005123780A2 (en
Inventor
Paul R Hinton
Naoya Tsurushita
Yun J Tso
Maximiliano Vasquez
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PDL Biopharma Inc
Original Assignee
Protein Design Labs 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
Priority claimed from US10/822,300 external-priority patent/US7361740B2/en
Priority claimed from PCT/US2004/011213 external-priority patent/WO2004092219A2/en
Application filed by Protein Design Labs Inc filed Critical Protein Design Labs Inc
Publication of WO2005123780A2 publication Critical patent/WO2005123780A2/en
Anticipated expiration legal-status Critical
Publication of WO2005123780A3 publication Critical patent/WO2005123780A3/en
Ceased legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K16/00—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K16/00—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies
    • C07K16/18—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans
    • C07K16/24—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans against cytokines, lymphokines or interferons
    • C07K16/249—Interferons
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K16/00—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies
    • C07K16/18—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans
    • C07K16/28—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
    • C07K16/2803—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants against the immunoglobulin superfamily
    • C07K16/2809—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants against the immunoglobulin superfamily against the T-cell receptor (TcR)-CD3 complex
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K16/00—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies
    • C07K16/18—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans
    • C07K16/28—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
    • C07K16/2803—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants against the immunoglobulin superfamily
    • C07K16/2833—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants against the immunoglobulin superfamily against MHC-molecules, e.g. HLA-molecules
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K16/00—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies
    • C07K16/18—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans
    • C07K16/28—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
    • C07K16/2866—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants against receptors for cytokines, lymphokines, interferons
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/20—Immunoglobulins specific features characterized by taxonomic origin
    • C07K2317/21—Immunoglobulins specific features characterized by taxonomic origin from primates, e.g. man
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/30—Immunoglobulins specific features characterized by aspects of specificity or valency
    • C07K2317/34—Identification of a linear epitope shorter than 20 amino acid residues or of a conformational epitope defined by amino acid residues
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/50—Immunoglobulins specific features characterized by immunoglobulin fragments
    • C07K2317/52—Constant or Fc region; Isotype
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/70—Immunoglobulins specific features characterized by effect upon binding to a cell or to an antigen
    • C07K2317/73—Inducing cell death, e.g. apoptosis, necrosis or inhibition of cell proliferation
    • C07K2317/732—Antibody-dependent cellular cytotoxicity [ADCC]

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Organic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Biophysics (AREA)
  • Biochemistry (AREA)
  • Genetics & Genomics (AREA)
  • Medicinal Chemistry (AREA)
  • Molecular Biology (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Peptides Or Proteins (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)

Abstract

The present invention provides for a modified antibody of class IgG, in which at least one amino acid from the heavy chain constant region selected from the group consisting of amino acid residues 250, 314, and 428 is substituted with another amino acid which is different from that present in the unmodified antibody, thereby altering the binding affinity for FcRn and/or the serum half-life in comparison to the unmodified antibody.
PCT/US2005/011996 2004-04-09 2005-04-08 Alteration of fcrn binding affinities or serum half-lives of antibodies by mutagenesis Ceased WO2005123780A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US10/822,300 2004-04-09
USPCT/US2004/011213 2004-04-09
US10/822,300 US7361740B2 (en) 2002-10-15 2004-04-09 Alteration of FcRn binding affinities or serum half-lives of antibodies by mutagenesis
PCT/US2004/011213 WO2004092219A2 (en) 2003-04-10 2004-04-09 Alteration of fcrn binding affinities or serum half-lives of antibodies by mutagenesis

Publications (2)

Publication Number Publication Date
WO2005123780A2 WO2005123780A2 (en) 2005-12-29
WO2005123780A3 true WO2005123780A3 (en) 2007-11-15

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PCT/US2005/011996 Ceased WO2005123780A2 (en) 2004-04-09 2005-04-08 Alteration of fcrn binding affinities or serum half-lives of antibodies by mutagenesis

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WO (1) WO2005123780A2 (en)

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US8969526B2 (en) 2011-03-29 2015-03-03 Roche Glycart Ag Antibody Fc variants
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US9475881B2 (en) 2010-01-19 2016-10-25 Xencor, Inc. Antibody variants with enhanced complement activity
US9695233B2 (en) 2012-07-13 2017-07-04 Roche Glycart Ag Bispecific anti-VEGF/anti-ANG-2 antibodies and their use in the treatment of ocular vascular diseases
US12624089B2 (en) 2012-02-24 2026-05-12 Chugai Seiyaku Kabushiki Kaisha Antigen-binding molecule for promoting disappearance of antigen via FcγRIIB

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