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荧光染料直接染色法检测血浆游离DNA对肺癌诊断的价值

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摘要 目的:探讨荧光染料直接染色法检测血浆游离DNA含量在肺癌诊断和预后判断中的价值。方法:选取郑州市中医院2015年1月至2017年1月收治的54例肺癌患者为观察组,同时选取同期在本院进行健康体检的体检者为对照组,两组均取新鲜血浆,利用picogreen荧光染料直接染色法对血浆游离DNA进行染色,并对其含量进行检测;对比两组检测结果。结果:与对照组比较,观察组患者血浆游离DNA含量水平明显升高,差异具有统计学意义(P <0.05);且肿瘤直径> 3 cm者血浆游离DNA水平明显高于肿瘤直径≤3 cm者,临床分期为Ⅲ~Ⅳ者,血浆游离DNA水平明显高于临床分期为Ⅰ~Ⅱ者,差异具有统计学意义(P <0.05);且观察组患者经手术治疗后,患者血浆游离DNA水平较治疗前明显下降,差异具有统计学意义(P <0.05);经化疗治疗有效者其血浆游离DNA水平明显低于无效者,差异具有统计学意义(P <0.05)。结论:血浆游离DNA属于特异性生物学标志物的一种,其在肺癌诊断及疗效评价中具有一定的参考价值。
作者 高强
机构地区 郑州市中医院
出处 《深圳中西医结合杂志》 2018年第19期74-75,共2页 Shenzhen Journal of Integrated Traditional Chinese and Western Medicine
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