摘要:目的探讨Snail mRNA及E—cadherin mRNA在乳腺浸润性导管癌中的表达及其临床意义。方法应用原位杂交技术测30例乳腺单纯性增生、30例乳腺导管内癌和70例乳腺浸润性导管癌组织中Snail mRNA及E—cadherin mRNA的表达。结果Snail mRNA及E—cadherin mRNA在乳腺单纯性增生、乳腺导管内癌和乳腺浸润性导管癌组织中的阳性率分别为23.3%、46.7%、81.4%和96.7%、66.7%、35.7%,差异有统计学意义(P〈0.01);Snail mRNA及E-cadherin mRNA在同组间表达差异有统计学意义(P〈0.05);Snail mRNA表达与年龄、肿瘤大小和组织学分级无关(P〉0.05),淋巴结转移与否Snail mRNA表达差异有统计学意义(P〈0.01);E-cad mRNA表达与年龄、肿瘤大小无关(P〉0.05),淋巴结转移与否、不同组织学分级E-cad mRNA表达差异有统计学意义(P〈0.01);Snail mRNA与E-cadherin mRNA的表达呈负相关(r=-0.56,P=0.00)。结论Snail mRNA过表达与E-cadherin mRNA低表达可能参与乳腺癌浸润转移的发生,并与淋巴结转移密切相关,因而检测两者的表达对判断乳腺癌预后、转移有重要价值。
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