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结直肠癌组织TGF-β_1表达水平与肿瘤细胞免疫逃逸的关系 被引量:3

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摘要 目的探讨结直肠癌组织转化生长因子β_1(TGF-β_1)表达水平与肿瘤细胞免疫逃逸的关系。方法应用免疫组化法对139例结直肠癌和60例正常癌旁组织进行染色,运用HIPAS100图像分析软件定量计算细胞负性免疫调节因子TGF-β_1表达水平;比较TGF-β_1在结直肠癌与癌旁组织、术后复发与未复患者中的表达差异,分析复发患者TGF-β_1表达与无瘤生存期的相关性。结果 TGF-β_1在结直肠癌组织中表达量为22.53±5.98,高于癌旁组织中的14.58±3.19(P<0.05);复发者TGF-β_1表达量为26.19±6.05,高于未复发者的20.80±5.03(P<0.05);TGF-β_1表达水平与无瘤生存期呈显著负相关(r=-0.419,P<0.05)。结论结直肠癌组织中TGF-β_1表达水平上调导致肿瘤细胞免疫逃逸,可能是结直肠肿瘤复发转移的主要机制之一。
出处 《山东医药》 CAS 2018年第2期40-42,共3页 Shandong Medical Journal
基金 山东省自然科学基金资助项目(ZR2013HM43) 山东省中医药科技发展计划项目(2013ZDZK-029)
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