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循环核酸测定在恶性肿瘤诊断中的应用

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摘要 循环核酸是指存在于血液 (血浆或血清 )中的细胞外游离DNA和RNA。本文对血浆 (血清 )DNA如Ras和 p5 3基因突变、微卫星改变、肿瘤抑癌基因启动子的高甲基化、线粒体DNA突变和肿瘤相关病毒DNA等以及肿瘤相关RNA如酪氨酸酶RNA、端粒酶成分RNA、不同肿瘤相关基因编码的mRNA和病毒RNA等检测在肿瘤诊断和预后中的意义进行了综述 ,并简要展望了循环核酸测定的应用前景。
出处 《国外医学(临床生物化学与检验学分册)》 2003年第5期280-282,共3页 Foreign Medical Sciences(section of Clinical Biochemistry and Laboratory Medicine
关键词 核酸 血液 肿瘤
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