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微卫星DNA不稳定性与遗传性非息肉病性大肠癌的相关性研究 被引量:5

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摘要 目的:探讨微卫星DNA不稳定性(microsatelliteinstability,MSI)与遗传性非息肉病性大肠癌(hereditarynonpolysiscolorectalcancer,HNPCC)的关系。方法:采用PCR-SSCP方法,检测2例遗传性非息肉病性大肠癌、11例散发性大肠癌的2、17号染色体的2个位点的MSI。结果:2例遗传性非息肉病性大肠癌均存在一个位点的MSI,11例散发性大肠癌中1个有MSI。结论:MSI是HNPCC常见的分子学事件,HNPCC有其特有的分子生物学特性。
出处 《实用医学杂志》 CAS 2005年第19期2157-2158,共2页 The Journal of Practical Medicine
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