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    • 5. 发明申请
    • Human chondroitinase glycoprotein (chasegp), process for preparing the same, and pharmaceutical compositions comprising thereof
    • 人类软骨素酶糖蛋白(chasegp),其制备方法和由其组成的药物组合物
    • US20070148156A1
    • 2007-06-28
    • US10539110
    • 2003-12-15
    • Gregory FrostAnirban KunduLouis Bookbinder
    • Gregory FrostAnirban KunduLouis Bookbinder
    • A61K38/47C12N9/24
    • C12N9/88A61K38/47C12Y402/02004
    • The invention relates to the discovery of a novel Chondroitinase Glycoproteins (CHASEGP's), methods of manufacture, and potential uses in conditions where removal of chondroitin sulfates may be of therapeutic benefit. Chondroitinase Glycoproteins require both a substantial portion of the catalytic domain of the CHASEGP polypeptide and asparagine-linked glycosylation for optimal chondroitinase activity. The invention also includes carboxy-terminal deletion variants of CHASEGP that result in secreted variants of the protein to facilitate manufacture of a recombinant CHASEGP. Further described are suitable formulations of a substantially purified recombinant CHASEGP glycoprotein derived from a eukaryotic cell that generate the proper glycosylation required for its optimal activity. CHASEGP is useful for the degradation of glycosaminoglycans and chondroitin sulfate proteoglycans under clinical conditions where their removal is of therapeutic value.
    • 本发明涉及新型软骨素酶糖蛋白(CHASEGP)的发现,其制备方法和潜在用途,其中去除硫酸软骨素可具有治疗益处。 软骨素酶糖蛋白需要CHASEGP多肽的大部分催化结构域和天冬酰胺连接的糖基化以获得最佳的软骨素酶活性。 本发明还包括CHASEGP的羧基末端缺失变体,其导致蛋白质的分泌型变体以促进重组CHASEGP的制备。 进一步描述了衍生自真核细胞的基本上纯化的重组CHASEGP糖蛋白的合适制剂,其产生其最佳活性所需的适当糖基化。 CHASEGP可用于在其去除具有治疗价值的临床条件下降解糖胺聚糖和硫酸软骨素蛋白聚糖。