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乳腺癌中的Twist检测及其临床意义 被引量:7

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摘要 目的通过研究乳腺癌细胞中Twist基因及蛋白的表达情况,以进一步探讨Twist基因与乳腺癌转移性的关系。方法分别采用RT-PCR法、链霉亲和素-生物素酶复合物(Strept avidin biotincomplex,SABC)免疫组织化学方法和Western blot法检测在三种乳腺癌细胞株[非转移性乳腺癌细胞株(MCF-7)、低转移性乳腺癌细胞株(MDA-MB-453)、高转移性乳腺癌细胞株(MDA-MB-231)]中介导EMT发生的转录因子Twist、上皮性标记基因E-钙黏素(E-cadherin)和间质性标记基因N-钙黏素(N-cadherin)表达的改变情况。结果 (1)MCF-7细胞中,E-cadherin mRNA的表达和蛋白的表达为阳性,Twist、N-cadherin表达为阴性。(2)MDA-MB-453细胞中Twist、N-cadherin表达为阳性,E-cadherin表达为阴性。(3)MDA-MB-231细胞中Twist、N-cadherin表达为阳性,E-cadherin表达为阴性。结论检测乳腺癌组织中Twist基因和蛋白表达水平有助于判断乳腺癌细胞的恶性程度及转移性,为临床正确判断乳腺癌的转移、分期和选择综合治疗方案提供佐证。
出处 《广东医学》 CAS CSCD 北大核心 2010年第18期2351-2354,共4页 Guangdong Medical Journal
基金 广东省湛江市科技局基金资助项目(编号:湛科[2006]94号)
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同被引文献102

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