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Last Updated: December 19, 2025

Claims for Patent: 10,851,174


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Summary for Patent: 10,851,174
Title:Core fucosylated glycopeptides and glycoproteins: chemoenzymatic synthesis and uses thereof
Abstract:A chemoenzymatic method for the preparation of a core-fucoslyated glycoprotein or glycopeptide, including (a) providing an acceptor selected from the group consisting of a fucosylated GlcNAc-protein and fucosylated GlcNAc-peptide; and (b) reacting the acceptor with a donor substrate including an activated oligosaccharide moiety, in the presence of an endoglycosidase (ENGase) selected from Endo;F1, Endo-F2, Endo-F3, Endo-D and related glycosynthase mutants to transfer the oligosaccharide moiety to the acceptor and yield the structure defined core-fucosylated glycoprotein or glycopeptide. The donor substrate includes, in a specific implementation, a synthetic oligosaccharide oxazoline. A related method of fucosylated glycoprotein or fucosylated glycopeptide remodeling with a predetermined natural N-glycan or a tailor-made oligosaccharide moiety, and a method of remodeling an antibody to include a predetermined sugar chain to replace a heterogeneous sugar chain, are also described.
Inventor(s):Wang Lai-Xi, Huang Wei, Giddens John
Assignee:UNIVERSITY OF MARYLAND, BALTIMORE
Application Number:US13411733
Patent Claims:

Details for Patent 10,851,174

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Janssen Biotech, Inc. REOPRO abciximab Injection 103575 December 22, 1994 10,851,174 2032-03-05
Hoffmann-la Roche Inc. ZENAPAX daclizumab Injection 103749 December 10, 1997 10,851,174 2032-03-05
Novartis Pharmaceuticals Corporation SIMULECT basiliximab For Injection 103764 May 12, 1998 10,851,174 2032-03-05
Novartis Pharmaceuticals Corporation SIMULECT basiliximab For Injection 103764 January 02, 2003 10,851,174 2032-03-05
Swedish Orphan Biovitrum Ab (publ) SYNAGIS palivizumab For Injection 103770 June 19, 1998 10,851,174 2032-03-05
Swedish Orphan Biovitrum Ab (publ) SYNAGIS palivizumab Injection 103770 July 23, 2004 10,851,174 2032-03-05
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

International Patent Family for US Patent 10,851,174

Country Patent Number Estimated Expiration
World Intellectual Property Organization (WIPO) 2013120066 ⤷  Get Started Free
United States of America 9850473 ⤷  Get Started Free
United States of America 9845360 ⤷  Get Started Free
United States of America 9434786 ⤷  Get Started Free
United States of America 9175326 ⤷  Get Started Free
United States of America 2021061868 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration

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