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公开(公告)号:US20170043033A1
公开(公告)日:2017-02-16
申请号:US15306481
申请日:2015-04-21
发明人: Pavel STROP , Katherine Anne DELARIA , Magdalena DORYWALSKA , Davide Luciano FOLETTI , Russell George DUSHIN , David Louis SHELTON , Arvind RAJPAL
IPC分类号: A61K47/48 , G01N33/574 , C07K16/30 , A61K31/427
CPC分类号: A61K31/427 , A61K47/65 , A61K47/6803 , A61K47/6849 , A61K47/6851 , A61K47/6889 , A61K2039/505 , C07K16/3076 , G01N33/57492 , G01N2333/705
摘要: The present invention provides transglutaminase-mediated antibody-drug conjugates with high anti-body-drug ratio (DAR) comprising 1) glutamine-containing tags, endogenous glutamines, and/or endogenous glutamines made reactive by antibody engineering or an engineered transglutaminase (e.g., with altered substrate specifity); and 2) amine donor agents comprising amine donor units, linkers, and agent moieties, wherein the DAR is at least about 5. The invention also provides methods of making and methods of using such higher drug loaded antibody-drug conjugates.
摘要翻译: 本发明提供了具有高抗体药物比例(DAR)的转谷氨酰胺酶介导的抗体 - 药物偶联物,其包含1)含有抗体工程或工程化转谷氨酰胺酶(例如,谷氨酰胺)的反应产生的含谷氨酰胺的标签,内源性谷氨酰胺和/或内源性谷氨酰胺, 改变底物特异性); 和2)包含胺供体单元,接头和试剂部分的胺供体试剂,其中DAR为至少约5.本发明还提供了制备方法和使用这种高加载药物的抗体 - 药物共轭物的方法。