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CONSTRUCTION AND CHARACTERIZATION OF MULTIMERIC IL-15-BASED MOLECULES WITH CD3 BINDING DOMAINS
专利权人:
Altor Bioscience Corporation
发明人:
Bai Liu,Peter Rhode,Hing C. Wong
申请号:
US15606552
公开号:
US20170342119A1
申请日:
2017.05.26
申请国别(地区):
US
年份:
2017
代理人:
摘要:
The invention features soluble fusion protein complexes comprising at least two soluble fusion proteins. For example, the first fusion protein is an anti-CD3 antibody covalently linked to an interleukin-15 (IL-15) polypeptide or functional fragment thereof. The second fusion protein comprises a binding domain that recognizes disease antigens, wherein this domain is covalently linked to a soluble interleukin-15 receptor alpha (IL-15Rα) polypeptide or a functional fragment thereof. One or both of the first and second fusion proteins further includes an immunoglobulin Fc domain or a functional fragment thereof, and the IL-15 domain of first fusion protein binds to the soluble IL-15Rα domain of the second fusion protein to form a soluble fusion protein complex. The invention further provides methods for making and using the complexes of the invention.
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