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The anti-idiotypic response by cynomolgus monkeys to humanized anti-Tac is primarily directed to
W P Schneider1, S M Glaser, J A Kondas
1Protein Design Labs, Inc., Mountain View, CA 94043.
The anti-ld response developed by cynomolgus monkeys to the humanized anti-Tac antibody was analyzed by using 12 humanized anti-Tac variants differing in V region structure. The majority of the monkey response was directed against idiotopes composed wholly or in part of complementarity-determining regions H1, H2, and L3. There was no detectable response directed solely to five single complementarity-determining regions examined or solely to the modified human V region framework.
The anti-ld response developed by cynomolgus monkeys to the humanized anti-Tac antibody was analyzed by using 12 humanized anti-Tac variants differing in V region structure. The majority of the monkey response was directed against idiotopes composed wholly or in part of complementarity-determining regions H1, H2, and L3. There was no detectable response directed solely to five single complementarity-determining regions examined or solely to the modified human V region framework.