humanized antibody by Creative Biolabs

bellasmithPublished: November 27, 2017
Published: November 27, 2017

To reduce the immunogenicity of CDR-grafted humanized antibodies, the murine content in the CDR-grafted humanized antibodies is minimized through SDR grafting. Within each CDR, there are more variable positions that are directly involved in the interaction with antigen, i.e., specificity-determining residues (SDRs), whereas there are more conserved residues that maintain the conformations of CDRs loops. SDRs may be identified from the 3D structure of the antigen antibody complex and/or the mutational analysis of the CDRs. An SDR-grafted humanized antibody is constructed by grafting the SDRs and the residues maintaining the conformations of the CDRs onto human template, and its immunogenic potential is evaluated by measuring the reactivity to the sera from patients who had been immunized with the parental antibody.

http://www.creative-biolabs.com/antibody-humanization.html

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