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
Application number
PCT/US2005/011996
Other languages
French (fr)
Other versions
WO2005123780A2 (en
Inventor
Paul R Hinton
Naoya Tsurushita
Yun J Tso
Maximiliano Vasquez
Original Assignee
Protein Design Labs Inc
Paul R Hinton
Naoya Tsurushita
Yun J Tso
Maximiliano Vasquez
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, Paul R Hinton, Naoya Tsurushita, Yun J Tso, Maximiliano Vasquez filed Critical Protein Design Labs Inc
Publication of WO2005123780A2 publication Critical patent/WO2005123780A2/en
Publication of WO2005123780A3 publication Critical patent/WO2005123780A3/en

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K16/00—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K16/00—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
    • C07K16/18—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans
    • C07K16/24—Immunoglobulins [IGs], 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 [IGs], e.g. monoclonal or polyclonal antibodies
    • C07K16/18—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans
    • C07K16/28—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
    • C07K16/2803—Immunoglobulins [IGs], 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 [IGs], 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 [IGs], e.g. monoclonal or polyclonal antibodies
    • C07K16/18—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans
    • C07K16/28—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
    • C07K16/2803—Immunoglobulins [IGs], 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 [IGs], 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 [IGs], e.g. monoclonal or polyclonal antibodies
    • C07K16/18—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans
    • C07K16/28—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
    • C07K16/2866—Immunoglobulins [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 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]

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 WO2005123780A2 (en)

Applications Claiming Priority (4)

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

Publications (2)

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

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US9096651B2 (en) 2007-09-26 2015-08-04 Chugai Seiyaku Kabushiki Kaisha Method of modifying isoelectric point of antibody via amino acid substitution in CDR
US9475881B2 (en) 2010-01-19 2016-10-25 Xencor, Inc. Antibody variants with enhanced complement activity

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