PROTEIN DETECTION METHOD USING MASS SPECTROMETRY
    35.
    发明公开
    PROTEIN DETECTION METHOD USING MASS SPECTROMETRY 审中-公开
    蛋白酶MITENSPEKTROMETRIE

    公开(公告)号:EP3109630A1

    公开(公告)日:2016-12-28

    申请号:EP14882930.2

    申请日:2014-02-18

    IPC分类号: G01N27/62 C12P21/06 C12Q1/34

    摘要: The present invention provides: a method of pretreating a serum or plasma sample for detection of a protein or a plurality of proteins of interest in a serum or plasma sample via mass spectrometry and a method of detecting such a protein or proteins, wherein proteins such as albumin present in abundance in a sample are removed in a convenient manner, thereby making it possible to collect digested peptides from the protein of interest. Specifically, the present invention provides a method of pretreating a sample for detecting proteins in a serum or plasma sample via mass spectrometry, comprising a step of adding a protease to the sample under non-denaturing conditions to digest proteins and a step of separating the obtained peptides from undigested proteins, and a method of detecting proteins, comprising subjecting the obtained peptides to mass spectrometry.

    摘要翻译: 本发明提供:一种通过质谱法检测血清或血浆样品中的蛋白质或多种目标蛋白质的血清或血浆样品的方法,以及检测这种蛋白质或蛋白质的方法,其中蛋白质如 以方便的方式除去样品中丰富的白蛋白,从而可以从目标蛋白中收集消化的肽。 具体地说,本发明提供了一种通过质谱法预处理血清或血浆样品中的蛋白质检测样品的方法,包括在非变性条件下向样品中加入蛋白酶以消化蛋白质的步骤,以及分离所获得的 来自未消化的蛋白质的肽,以及检测蛋白质的方法,包括使得到的肽进行质谱分析。