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(sHA
SEGPs)的发现、制造方法及其用于促进其他分子的给药或缓解糖胺聚糖相关病症的用途。本文描述了可溶性中性活性 sHA
SEGP 结构域的最小活性
多肽结构域,其中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糖分子。本发明还包括可增强 sHA
SEGP 分泌的修饰
氨基末端领导肽。本发明还包括
重组 sHA
SEGP 的苷元化和聚
乙二醇化形式,与天然存在的屠宰场酶相比,可提高稳定性和血清药代动力学。本发明还描述了从真核细胞中提取的基本纯化的
重组 sHA
SEGP 糖蛋白的合适制剂,该制剂可产生其最佳活性所需的适当糖基化。