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ERK-1和p27在三阴乳腺癌中的表达及意义

Journal of Modern Oncology(2013)

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Abstract
目的:检测三阴乳腺癌(TNBC)组织中ERK-1和p27的表达并探讨其意义.方法:采用免疫组织化学SP法检测56例TNBC组织和30例癌旁正常乳腺组织ERK-1和p27的表达情况.结果:TNBC组织中ERK-1和p27表达定位于细胞核,其表达率分别为55.36% (31/56)和30.36% (17/56),分别高于和低于癌旁正常组织(P <0.05);56例TNBC组织中,ERK-1和p27蛋白在组织学分级G3级表达率高于G1+G2级(P<0.05),ERK-1的病理分期Ⅲ期的表达率高于Ⅰ-Ⅱ期(P<0.05),ERK-1的表达与淋巴结转移、病理组织类型无关(P>0.05),而p27与淋巴结转移有关(P<0.05).相关性分析显示,二者之间呈负相关(P<0.05).结论:ERK-1和p27在TNBC中分别呈高表达和低表达,提示ERK-1、p27与TNBC的发生、发展和转移密切相关.
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Key words
human breast cancer,ERK-1,p27,immunohistochemistry,triple-negative breast cancer (TNBC)
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