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Last Updated: July 30, 2021

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Patent: 5,356,804

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Summary for Patent: 5,356,804
Title: Cloning and expression of biologically active human .alpha.-galactosidase A
Abstract:The present invention involves the production of large quantities of human .alpha.-Gal A by cloning and expressing the .alpha.-Gal A coding sequence in eukaryotic host cell expression systems. The eukaryotic expression systems, and in particular the mammalian host cell expression system described herein provide for the appropriate cotranslational and posttranslational modifications required for proper processing, e.g., glycosylation, phosphorylation, etc. and sorting of the expression product so that an glycosylation, phosphorylation, etc. and sorting of the expression product so that an active enzyme is produced. In addition, the expression of fusion proteins which simplify purification is described. Using the methods described herein, the recombinant .alpha.-Gal A is secreted by the engineered host cells so that it is recovered from the culture medium in good yield. The .alpha.-Gal A produced in accordance with the invention may be used in the treatment in Fabry Disease; for the hydrolysis of .alpha.-galactosyl residues in glycoconjugates; and/or for the conversion of the blood group B antigen on erythrocytes to the blood group O antigen.
Inventor(s): Desnick; Robert J. (New York, NY), Bishop; David F. (New York, NY), Ioannou; Yiannis A. (New York, NY)
Assignee: Mount Sinai School of Medicine of the City of New York (New York, NY)
Application Number:07/602,824
Patent Claims:see list of patent claims

Details for Patent 5,356,804

Applicant Tradename Biologic Ingredient Dosage Form BLA Number Approval Date Patent No. Assignee Estimated Patent Expiration Status Orphan Source
Genzyme FABRAZYME agalsidase beta VIAL; INTRAVENOUS 103979 002 2003-04-24 ⤷  Free Forever Trial Mount Sinai School of Medicine of the City of New York (New York, NY) 2039-02-26 RX Orphan company
Genzyme FABRAZYME agalsidase beta VIAL; INTRAVENOUS 103979 001 2003-04-24 ⤷  Free Forever Trial Mount Sinai School of Medicine of the City of New York (New York, NY) 2039-02-26 RX Orphan company
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Number >Approval Date >Patent No. >Assignee >Estimated Patent Expiration >Status >Orphan >Source

International Patent Family for US Patent 5,356,804

Country Patent Number Estimated Expiration
World Intellectual Property Organization (WIPO) 9207936 ⤷  Free Forever Trial
World Intellectual Property Organization (WIPO) 9412628 ⤷  Free Forever Trial
United States of America 5382524 ⤷  Free Forever Trial
United States of America 5401650 ⤷  Free Forever Trial
United States of America 5491075 ⤷  Free Forever Trial
>Country >Patent Number >Estimated Expiration

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