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    • 1. 发明授权
    • Method for determining the methylation pattern of a polynucleic acid
    • 确定多核酸甲基化模式的方法
    • US07932027B2
    • 2011-04-26
    • US11355417
    • 2006-02-16
    • Anne FassbenderRalf LescheJuergen DistlerChristian PiepenbrockTamas RujanKurt BerlinThomas Koenig
    • Anne FassbenderRalf LescheJuergen DistlerChristian PiepenbrockTamas RujanKurt BerlinThomas Koenig
    • C12Q1/68
    • C12Q1/6827C12Q2531/113C12Q2525/191C12Q2521/331
    • Particular aspects relate to a method for determining the methylation pattern of a polynucleic acid, comprising: a) preparing a solution comprising a mixture of fragments of the polynucleic acid; b) coupling the fragments with a substance being detectable with a detection method; c) contacting a solution comprising the fragments of b) with a DNA microarray having a plurality of different immobilized oligonucleotides, each comprising at least one methylation site, at respectively assigned different locations thereon, the contacting under conditions affording hybridization of fragments with correlated immobilized oligonucleotides under defined stringency, and wherein the immobilized oligonucleotides have a length of less than 200 bases; d) optionally performing a a washing step; and e) detecting, using the physical detection method, such immobilized nucleic acids to which solution fragments are hybridized and/or to which solution fragments are not hybridized.
    • 具体方面涉及确定多核酸的甲基化模式的方法,其包括:a)制备包含所述多核酸的片段的混合物的溶液; b)将片段与可用检测方法检测的物质偶联; c)使包含b)的片段的溶液与分别具有多个不同的固定化寡核苷酸的DNA微阵列接触,所述多个不同的固定化寡核苷酸分别包含至少一个甲基化位点,分别在其上指定了不同的位置,在提供相关的固定化寡核苷酸的片段杂交的条件下进行接触 在限定的严格性下,并且其中所述固定的寡核苷酸具有小于200个碱基的长度; d)任选地执行洗涤步骤; 以及e)使用所述物理检测方法检测将所述固定化的核酸与所述溶液片段杂交并且/或所述溶液片段未杂交的固定化核酸。