申请人:——
公开号:US20040157230A1
公开(公告)日:2004-08-12
A method for measuring DNA-dependent DNA polymerisation in a biological sample, is described. The method comprises the steps of providing a primer with a single stranded short specific sequence, which is unable to base pair internally, bound to a solid phase; contacting the primer construct with a reaction mixture containing a single stranded deoxynucleotide template with a part of the sequence complementary to the primer and the four deoxynucleoside triphosphates, one of which is modified so that it is specifically recognized by a labeled antibody; adding a biological sample comprising the DNA polymerase, such as retrovirus reverse transcriptase (RT), to the mixture; allowing the polymerase reaction to proceed; incubating the immobilized reaction product with the labeled antibody; detecting the amount of bound labeled antibody; and measuring the amount of incorporated modified deoxynucleoside triphosphate, as a measure of the DNA polymerisation, which may be used drug susceptibility testing. A commercial package is also disclosed.
描述了一种测量生物样本中依赖 DNA 的 DNA 聚合的方法。该方法包括以下步骤:提供与固相结合的具有单链短特异序列的引物,该引物内部不能进行碱基配对;将引物构建体与含有单链脱氧核苷酸模板的反应混合物接触,该模板具有与引物互补的部分序列和四种脱氧核苷三磷酸,其中一种脱氧核苷三磷酸经过修饰,可被标记的抗体特异性识别;将包含 DNA 聚合酶(如逆转录病毒逆转录酶 (RT))的生物样本加入混合物中;使聚合酶反应继续进行;将固定化的反应产物与标记抗体孵育;检测结合的标记抗体的量;测量结合的修饰脱氧核苷三磷酸的量,作为 DNA 聚合的量度,可用于药敏试验。此外,还公开了一种商业包装。