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石蜡包埋宫颈组织中三种DNA提取方法的比较 被引量:1

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摘要 目的:通过比较了三种不同的DNA提取方法对DNA质量的影响,旨在寻找一种高效、简便、实用的石蜡组织中DNA提取方法。方法:取10%甲醛固定石蜡包埋的宫颈组织标本(宫颈癌及宫颈上皮内瘤变标本),分别以二甲苯脱蜡及酚氯仿法提纯DNA(方法1)、TES水浴脱蜡及酚氯仿提纯DNA(方法2)、TES水浴脱蜡及试剂盒提纯DNA(方法3),然后进行电泳和聚合酶链反应扩增分析。结果:TES水浴脱蜡及酚氯仿法提纯DNA所得样本·DNA的0D260/0D280比值为1.85±0.22,TES水浴脱蜡及试剂盒提纯DNA法为1.81±0.12,两者比较无显著差异(P>0.05);桓分别和二甲苯脱蜡及酚氯仿提纯DNA法相比较有显著差异(P>0.01)。DNA电泳和PGR扩增结果示TES水浴脱蜡及酚氯仿提纯DNA、TES水浴脱蜡及试剂盒提纯DNA所得DNA质量均高于二甲苯脱蜡酚氯仿提纯DNA法。结论:TES水浴脱蜡及试剂盒提纯DNA法简便快捷,是理想的石蜡包埋组织DNA提纯方法。
出处 《新疆医学》 2009年第3期15-17,共3页 Xinjiang Medical Journal
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参考文献10

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共引文献39

同被引文献23

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