目的 探讨结直肠腺癌中Fascin-1、β-catenin蛋白的表达和K-ras基因突变状态,分析三者在结直肠腺癌侵袭转移过程中的相关性.方法 应用免疫组化En Vision两步法检测Fascin-1、β-catenin蛋白的表达,采用ARMS荧光定量PCR法检测Kras基因突变情况,分析Fascin-1、β-catenin蛋白的表达及K-ras基因突变与结直肠腺癌临床病理特征的关系,并对三者进行相关性分析.结果 112例结直肠腺癌中,Fascin-1蛋白高表达率为27.7％(31/112),显著高于癌旁正常组织(P 0.05); Fascin-1蛋白高表达、β-catenin蛋白核表达与K-ras基因突变存在相关性(rs=0.252,rs=0.258,P 0.05). There was a correlation between the overexpressison of Fascin-1 protein, the nuclear expression of β-catenin and the mutation of K-ras gene (rs= 0.252, rs= 0.258, P < 0.05). The overexpression of Fascin-1 protein positively correlated with the nuclear expression of β-catenin (rs= 0.213, P < 0.05). Conclusion Fascin-1 protein and β-catenin protein are involved in invasion and metastasis of colorectal cancer and are associated with K-ras gene mutation. K-ras may promote the overexpression of Fascin-1 by virtue of nuclear expression ofβ-catenin, which provided a new research direction on the treatment of K-ras gene mutated colorectal adenocarcinoma.
展开▼
