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Nested PCR检测HBV DNA技术的建立与应用
Authors
Publication date
1 January 1992
Publisher
Editorial Office of Journal of Sun Yat-sen University
Abstract
本研究建立一种Nested PCR技术检测HBV DNA,即采用内外两对引物分别进行连续两次扩增,使检测极限由一次PCR的10-2Pg提高到10-5Pg;经32P标记寡核苷酸探针作Southern转移杂交以及BgIⅡ作酶切分析证实两次扩增均为特异性扩增。通过抗-HBe阳性、单项抗一HBc阳性和单项抗-HBs阳性三种血清的HBV DNA的检测,表明该方法确能检出标准PCR所不能检出的极低水平的HBV感染,对提高乙型肝炎的诊断水平及更准确地评价药物疗效有重要意义
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Last time updated on 15/10/2024