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地高辛素标记乙型肝炎病毒DNA探针的制备及应用
Authors
Publication date
1 January 1991
Publisher
Editorial Office of Journal of Sun Yat-sen University
Abstract
采用随机引物法以地高辛素标记的脱氧尿嘧啶核苷三磷酸(dig-II-dUTP)标记克隆的乙型肝炎病毒(HBV)DNA adw/pAM6,制得高特异性和高敏感性的HBV DNA探针。用于斑点杂交检测HBV DNA,最大敏感度为0.lpg。用于检测HBsAg阳性血清,HBV DNA阳性率为82.7%(91/110),与市售同类药盒相比,阴阳结果一致,与缺口翻译的生物索探针相比,检出率有显著提高(P<0.01)。用于肝癌组织与血清HBV DNA研究,与既往用~32P探针所得结果相符。该探针操作简单、使用方便、出结果快速、价格便宜又无需特殊设备,故适于在临床单位尤其是基层医疗单位应用推广
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Last time updated on 15/10/2024