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AssigneeZymoGenetics, Inc.
InventorsKatherine E. Lewis, Scott R. Presnell, Steven D. Levin, Robert Mabry, Stephen R. Jaspers, Monica J. Huber
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The present invention relates to blocking, inhibiting, reducing, antagonizing or neutralizing the activity of IL-17A, IL-17F, and IL-23. Antagonists include antibodies and antibody fragments that bind IL-23 and that bind IL-17A or IL-17F, such as antibodies that are cross-reactive for IL-17A and Il-17F. Antagonists that include an antibody or antibody fragment that binds IL-23 and an antibody or antibody fragment that binds IL-17A or IL-17F on one molecule are also disclosed. Antibodies and antibody fragments that bind IL-23 and IL-17F but that do not bind IL-17A are also disclosed. IL-17 and IL-23 are cytokines that are involved in inflammatory processes and human disease.
An isolated nucleic acid molecule encoding a bispecific antibody comprising a cross-reactive IL-17A and IL-17F binding entity and an IL-23p19 binding entity, wherein the cross-reactive IL-17A and IL-17F binding entity is a humanized antibody derived from the antibody produced by the hybridoma deposited with the American Type Culture Collection having the ATCC Patent Deposit Designation PTA-7988, and the IL-23p19 binding entity comprises an antibody which specifically binds to the p19 subunit of IL-23.
Dependencies are inferred from the claim text.