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应用表面增强激光解析电离-飞行时间质谱对结肠癌组织蛋白质的初步分析

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摘要 [目的]检测结肠癌组织与正常结肠黏膜组织中差异蛋白质的表达,寻找与结肠癌相关的肿瘤标记物。[方法]采用表面增强激光解析电离-飞行时间质谱仪(SELDI-TOF MS)对42例结肠癌组织及其配对的正常结肠黏膜组织进行蛋白质指纹图谱检测。[结果]结肠癌与正常对照共有38种蛋白质质谱峰强度差异有统计学意义(P<0.01),有分类意义的蛋白质有7种,质核比(M/Z)为M1678.47、M2182.19、M3358.44的蛋白质在大肠癌组织中低表达,M/Z为M1688.43、M2718.72、M3241.60、M3893.13的蛋白质在大肠癌组织中高表达。[结论]利用SELDI-TOF MS技术筛选出的具有分类意义的7种蛋白质,有可能成为大肠癌诊断及预后判断的一组生物学指标。
出处 《中国中西医结合消化杂志》 CAS 2014年第5期269-271,共3页 Chinese Journal of Integrated Traditional and Western Medicine on Digestion
基金 山西省自然科学基金(No:2012011038-7) 山西省科技攻关计划项目(No:20090311060-2)
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