sICAM-1和GPC-3mRNA对对肝癌诊断与转移监测的临床价值

World Chinese Journal of Digestology(2012)

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Abstract
目的:定量分析肝病患者血可溶性细胞间粘附分子-1(sICAM-1)浓度和外周血单核细胞磷脂酰肌醇蛋白多糖-3(GPC-3)mRNA,探讨对肝癌(HCC)诊断与预后的价值.方法:收集住院肝病患者外周血,分离单核细胞,制备总RNA,经逆转录合成GPC-3 cDNA,以荧光定量PCR扩增;并以酶联免疫吸附法(ELISA)定量分析血ICAM-1水平.结果:肝病发展过程中血ICAM-1表达呈梯度增加,HCC患者血ICAM-1表达显著高于肝硬化(t=3.184,P=0.002)和慢性肝炎患者t=3.962,P<0.001),与伴门脉癌栓(t=2.941,P=0.005)及肝外转移(t=3.282,P=0.002)明显相关,与患者年龄、性别、HBsAg阳性与否、AFP浓度及肿瘤大小间未见明显相关.GPC-3mRNA阳性仅见肝癌患者(70.9%);肝硬化、慢性肝炎患者及正常对照组中未检出(x2=26.773,P<0.001).GPC-3 mRNA阳性表达与HBsAg阳性(x2=14.601,P<0.001)、肝癌TNM分期(x2=17.732,P<0.001)、伴门脉癌栓及肝外转移(x2=22.271,P<0.001)显著相关,与瘤体直径、数目、AFP浓度及分化程度未见明显相关;两者可互补诊断,提高诊断肝癌阳性率.结论:sICAM-1和GPC-3 mRNA检测是肝癌诊断和转移监测的良好标志物,且对AFP阴性肝癌具有互补诊断价值. .
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Key words
Diagnosis,Soluble intercellular adhesion molecule-1,Glypican-3 mRNA,Metastasis,Hepatocellular carcinoma
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