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    • 4. 发明申请
    • METHODS AND COMPOSITIONS FOR ASSAYING HOMOCYSTEINE
    • 用于测定半胱氨酸的方法和组合物
    • WO2009089106A1
    • 2009-07-16
    • PCT/US2009/030041
    • 2009-01-02
    • GENERAL ATOMICSYUAN, Chong-ShengDATTA, AbhijitDOU, Chao
    • YUAN, Chong-ShengDATTA, AbhijitDOU, Chao
    • C12Q1/00
    • C12Q1/34C12Q1/48G01N33/6815G01N2333/91011
    • This invention relates generally to the field of homocysteine detection. In particular, the invention provides a method for determining homocysteine presence or concentration in samples, which method comprises: contacting a sample containing or suspected of containing Hcy with a Hcy co-substrate and a Hcy converting enzyme in a Hcy conversion reaction to form a Hcy conversion product and a Hcy co-substrate conversion product; and assessing the Hcy co-substrate conversion product to determine the presence, absence and/or amount of the Hcy in the sample. The Hcy co-substrate conversion product may be assessed directly, or it may be assessed by further conversion of the Hcy co-substrate conversion product into another material by the action of one or more additional enzymes. A kit for assaying homocysteine based on the same principle is also provided.
    • 本发明一般涉及同型半胱氨酸检测领域。 特别地,本发明提供了一种测定样品中同型半胱氨酸存在或浓度的方法,该方法包括:在Hcy转化反应中使包含或怀疑含有Hcy的样品与Hcy共底物和Hcy转化酶接触以形成Hcy 转化产物和Hcy共底物转化产物; 并评估Hcy共底物转化产物以确定样品中Hcy的存在,不存在和/或量。 可以直接评估Hcy共底物转化产物,或者可以通过一种或多种另外的酶的作用将Hcy共底物转化产物进一步转化成另一种物质来评估。 还提供了用于基于相同原理测定同型半胱氨酸的试剂盒。