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    • 6. 发明申请
    • POLYPEPTIDES RELATED TO NATRIURETIC PEPTIDES AND METHODS OF THEIR IDENTIFICATION AND USE
    • 与NATRIURETIC PEPDES相关的多肽及其鉴定和使用方法
    • WO2004094460A2
    • 2004-11-04
    • PCT/US2004012067
    • 2004-04-19
    • CIPHERGEN BIOSYSTEMS INCBIOSITE INCBUECHLER KENNETH FFUNG ERIC THOMASYIP TAI-TUNG
    • BUECHLER KENNETH FFUNG ERIC THOMASYIP TAI-TUNG
    • C07K20060101G01N33/53G01N33/74C07K
    • G01N33/74G01N2500/04
    • The present invention relates to the identification and use of polypeptides that bind to antibodies directed to a desired polypeptide of interest. Using natriuretic peptides and their precursors, and in particular BNP, as an example, the present invention describes a number of natriuretic peptides fragments produced in biological samples, most preferably blood-derived samples, that bind to antibodies directed to BNP. Because production of such fragments is an ongoing process that may be a function of, inter alia, the elapsed time between onset of an event triggering natriuretic peptide release into the tissues and the time the sample is obtained or analyzed; the elapsed time between sample acquisition and the time the sample is analyzed; the type of tissue sample at issue; the storage conditions; the quantity of proteolytic enzymes present; etc., such fragments may be used when both designing an assay for one or more natriuretic peptides, and when performing such an assay, in order to provide an accurate prognostic or diagnostic result.
    • 本发明涉及与靶向所需感兴趣的多肽的抗体结合的多肽的鉴定和使用。 使用利尿钠肽及其前体,特别是BNP作为实例,本发明描述了与生物样品中产生的许多利钠肽片段,最优选血液衍生的样品,其结合针对BNP的抗体。 因为这样的片段的产生是一个持续的过程,其可以是尤其是引发利钠肽释放到组织中的事件发生之间经过的时间与获得或分析样品的时间的函数; 样品采集与样品分析时间之间的经过时间; 有关组织样本的类型; 储存条件; 存在蛋白水解酶的数量; 当设计用于一种或多种利钠肽的测定法和进行这样的测定时,可以使用这样的片段,以便提供准确的预后或诊断结果。