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    • 5. 发明申请
    • METHOD FOR ANALYSING METABOLITES
    • 分析代谢物的方法
    • WO2005059556A1
    • 2005-06-30
    • PCT/EP2004/014450
    • 2004-12-17
    • MAX PLANCK GESELLLSCHAFT ZUR FÖRDERUNG DER WISSENSCHAFTEN E.V.LÜDEMANN, AlexanderERBAN, AlexanderWAGNER, CorneliaKOPKA, Joachim
    • LÜDEMANN, AlexanderERBAN, AlexanderWAGNER, CorneliaKOPKA, Joachim
    • G01N33/58
    • G01N33/6851G01N33/58G01N33/6848G01N2458/15Y10T436/13Y10T436/144444Y10T436/24Y10T436/25625
    • Described is a method for analysing the metabolites of a biological sample which comprises quantitatively determining one or more metabolites in said sample in a way that said quantitative determination resolves isotopic mass differences within one metabolite, said method being characterized in that the sample comprises or is derived from a cell which has been maintained under conditions allowing the uptake of an isotopically labeled metabolizable compound so that the metabolites in said cell are saturated with the isotope with which said metabolizable compound is labeled. This method may further comprise, prior to quantitative determining the metabolites, combining the biological sample (i.e. the first biological sample) with a second biological sample in which the metabolites are not isotopically labeled or are isotopically labeled differently from the first biological sample; and determining in said biological samples the relative quantity of metabolites which differ by their isotopical label. Furthermore described is a set of isotopically labeled metabolites obtainable by applying this method, as well as kits facilitating the application of this method and corresponding uses.
    • 描述了一种用于分析生物样品的代谢物的方法,其包括以所述定量测定解决一种代谢物内的同位素质量差异的方式定量测定所述样品中的一种或多种代谢物,所述方法的特征在于样品包含或衍生 从已经保持在允许摄取同位素标记的可代谢化合物的条件下的细胞,使得所述细胞中的代谢物被所述可代谢化合物标记的同位素饱和。 该方法可以进一步包括在定量测定代谢物之前,将生物样品(即第一生物样品)与第二生物样品结合,其中代谢物不同位素标记或与第一生物样品不同的同位素标记; 并且在所述生物样品中确定由它们的同位素标记不同的代谢物的相对量。 此外,还描述了通过应用该方法可获得的一组同位素标记的代谢物,以及促进该方法的应用和相应用途的试剂盒。