ANTI-CD40 ANTIBODY MUTANTS

摘要

FIELD: pharmacology. ^ SUBSTANCE: present invention refers to immunology and biotechnology. There are antibody-antagonist to CD40 with their variable areas derived from an antibody produced of hybridoma 4D11 (FERM BP-7758). The constant areas of antibodies are derived from human IgG4 with mutations S228P and L235E. There are described related coding polynucleotides and the based expression vector. There is disclosed host-cell containing said vector. There is described method for preparing monoclonal antibody and application thereof in the pharmaceutical composition. ^ EFFECT: application of the invention provides reduced ADCC and CDC activity that can find application in therapy of autoimmune diseases and graft rejection. ^ 10 cl, 26 dwg, 2 tbl, 22 ex