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    • 10. 发明申请
    • Soluble glycosaminoglycanases and methods of preparing and using soluble glycosaminoglycanases
    • 可溶性糖胺聚糖酶和制备和使用可溶性糖胺聚糖酶的方法
    • US20110008309A1
    • 2011-01-13
    • US12802864
    • 2010-06-15
    • Louis H. BookbinderAnirban KunduGregory I. Frost
    • Louis H. BookbinderAnirban KunduGregory I. Frost
    • A61K38/47A61P29/00
    • A61K38/47A61K39/395A61K39/3955A61K45/06A61K2039/505C12N9/2408C12Y302/01035A61K2300/00
    • 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.
    • 本发明涉及新型可溶性中性活性透明质酸酶糖蛋白(sHASEGPs)的发现,其制备方法及其用于促进其它分子的施用或减轻糖胺聚糖相关病理学的用途。 描述了可溶性中性活性sHASEGP结构域的微活性多肽结构域,其包括功能性中性活性透明质酸酶结构域所需的天冬酰胺连接的糖部分。 包括改进的氨基末端前导肽,其增强sHASEGP的分泌。 本发明还包含重组sHASEGP的唾液酸化和聚乙二醇化形式,以增强天然存在的屠宰酶的稳定性和血清药代动力学。 进一步描述了衍生自真核细胞的基本上纯化的重组sHASEGP糖蛋白的合适制剂,其产生其最佳活性所需的适当糖基化。