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    • 10. 发明申请
    • METHOD FOR DETECTING AUTOPROCESSED, SECRETED PCSK9
    • 检测自动加工,分泌PCSK9的方法
    • WO2008118386A2
    • 2008-10-02
    • PCT/US2008/003800
    • 2008-03-21
    • MERCK & CO., INC.SITLANI, AyeshaFISHER, Timothy, S.SANTORO, Joseph, C.
    • SITLANI, AyeshaFISHER, Timothy, S.SANTORO, Joseph, C.
    • G01N33/53
    • C12Q1/37C12N9/6424
    • The present invention provides a method for detecting autoprocessed, secreted PCSK9, a protein involved in cholesterol homeostasis, and for effectively identifying compounds that inhibit autocleavage and secretion from cells. The disclosed method involves the insertion of an epitope tag into a PCSK9 expression construct immediately C-terminal to the pro domain ending at an amino acid residue corresponding to Q152 of human PCSK9. Upon autoprocessing, the epitope tag is exposed and capable of recognition by anti-epitope antibodies or other suitable identification system, allowing for the selective and exclusive identification and/or quantification of processed PCSK9. The present disclosure thus advances the goal of providing enabling technology to the art for the effective identification of therapeutics effective in combating coronary heart disease.
    • 本发明提供了用于检测自体处理的分泌型PCSK9(一种参与胆固醇稳态的蛋白质)并用于有效鉴定抑制自细胞分裂和分泌的化合物的方法。 所公开的方法涉及将表位标签插入PCSK9表达构建体中,紧邻C末端至前结构域,终止于对应于人PCSK9的Q152的氨基酸残基。 在自动处理后,表位标签暴露并且能够被抗表位抗体或其他合适的鉴定系统识别,从而允许选择性和排他地鉴定和/或定量处理的PCSK9。 本公开因此推进了为本领域提供有效识别有效治疗冠心病的治疗剂的技术的目标。