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Abstract

An antibody has an antagonistic effect against IL-33. In particular an isolated human anti-IL-33 neutralizing monoclonal antibody has framework regions with amino acid sequences from a germline, including combinations and fragments of such sequences. The epitopes for a plurality of anti-IL-33 monoclonal antibodies were identified, human anti-IL-33 neutralizing monoclonal antibodies were obtained, and the complementarity-determining regions that achieve high binding ability to IL-33 was specified by introducing mutations in the complementarity-determining regions. The identified complementarity-determining regions were used to produce the foregoing human anti-IL-33 neutralizing monoclonal antibodies having framework regions.

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First Claim