Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jacob Bongers0
Cheryl A. Janson0
Robert B. Kirkpatrick0
Xianyang Qiu0
Zdenka Jonak0
Kyung Johanson0
Narendra Bam0
Ping Yeh0
Date of Patent
December 25, 2007
0Patent Application Number
108239640
Date Filed
April 14, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Human interleukin-18 (IL-18) polypeptides and substitution mutants thereof were conjugated to water-soluble polymers at specific sites on the human IL-18 protein. These conjugated human IL-18 and substitution mutants thereof retain biological activity. These conjugated cytokines demonstrate enhanced and unexpected biological properties when compared to the corresponding unconjugated cytokines.
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