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分子信标连接体系用于核酶切割产物的超灵敏检测 被引量:1

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摘要 建立了一种新的核酶切割产物的超灵敏检测方法.利用分子信标作为核酶切割产物的连接模板和检测分子,在RNA/DNA核酸杂合体连接过程中,核酶切割产物的信息被实时转换为荧光信号.该方法实现了在不标记核酶或RNA底物的情况下,高灵敏、高特异性地检测核酶切割产物,检测下限可达0.05 nmol/L.为真实准确地反映核酶切割反应提供了一种简便快捷的非同位素分析方法,也为核酶基因药物的快速筛选、核酶动力学、核酶在基因治疗中的深入研究提供了全新的思路和技术.应用该方法对丙型肝炎病毒锤头核酶的切割产物进行了检测.
出处 《科学通报》 EI CAS CSCD 北大核心 2006年第23期2733-2737,共5页 Chinese Science Bulletin
基金 国家重点基础研究发展计划(批准号:2002CB513110) 国家自然科学基金(批准号:20505007,20475015)资助项目 湖南省科技厅重点项目(批准号:02JEY2004.0399Y1006)
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