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Generated: September 22, 2019

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Patent: 5,580,757

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Summary for Patent: 5,580,757
Title: Cloning and expression of biologically active .alpha.-galactosidase A as a fusion protein
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 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, but is not limited to, 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: The Mount Sinai School of Medicine of the City University of New York (New York, NY)
Application Number:08/261,577
Patent Claims:see list of patent claims

Details for Patent 5,580,757

Applicant Tradename Biologic Ingredient Dosage Form BLA Number Approval Date Patent No. Assignee Estimated Patent Expiration Status Orphan Source
Advance Biofactures SANTYL collagenase VIAL 101995 001 1965-06-04   Try a Free Trial The Mount Sinai School of Medicine of the City University of New York (New York, NY) 2013-12-03 RX search
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Number >Approval Date >Patent No. >Assignee >Estimated Patent Expiration >Status >Orphan >Source

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