Soluble glycosaminoglycanases and methods of preparing and using soluble glycosaminoglycanases

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United States of America Patent

SERIAL NO

13998058

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Abstract

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The invention relates to the discovery of novel soluble neutral active Hyaluronidase Glycoproteins (sHASEGPs), methods of manufacture, and their use to facilitate administration of other molecules or to alleviate glycosaminoglycan associated pathologies. Minimally active polypeptide domains of the soluble, neutral active sHASEGP domains are described that include asparagine-linked sugar moieties required for a functional neutral active hyaluronidase domain. Included are modified amino-terminal leader peptides that enhance secretion of sHASEGP. The invention further comprises sialated and pegylated form of a recombinant sHASEGP to enhance stability and serum pharmacokinetics over naturally occurring slaughterhouse enzymes. Further described are suitable formulations of a substantially purified recombinant sHASEGP glycoprotein derived from a eukaryotic cell that generate the proper glycosylation required for its optimal activity.

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Patent Owner(s)

Patent OwnerAddress
HALOZYME THERAPEUTICS INC11388 SORRENTO VALLEY ROAD SAN DIEGO CA 92121

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bookbinder, Louis H San Diego, US 32 2420
Frost, Gregory I Del Mar, US 67 4300
Kundu, Anirban San Diego, US 72 2742

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