Popis: |
Working flow chart for production and validation of the cPD-L1 antibody. A, Immunization of antigen, cPD-L1 protein. B, Establishment of hybridomas (over 2,000 clones). C, Evaluation of the cPD-L1 specific antibody by the live cell–based antibody binding assay. D, Therapeutic antibody selection by cPD-L1/cPD-1 blockade assay. E,In vivo validation of therapeutic efficacy of cPD-L1 antibodies in the caninized PD-L1 mice. F, Production of the cPD-L1 chimeric antibody. G, Validation of the cPD-L1 chimeric antibody. H, Initial safety profile and PK analysis. PK, pharmacokinetic. |