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乳腺癌中Id3基因mRNA的表达及其与临床病理的关系

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摘要 目的观察乳腺癌组织中的分化/DNA结合抑制因子3(Id3)mRNA的表达情况,并探讨其与临床病理及其他分子指标的关系。方法应用实时荧光定量逆转录-聚合酶链反应对48例乳腺癌组织、20例乳腺纤维腺瘤组织及乳腺癌MCF-7细胞系中Id3 mRNA进行检测。以免疫组化SABC法检测Id3蛋白在乳腺癌、乳腺纤维腺瘤组织中的表达及与乳腺癌中血管内皮生长因子(VEGF)蛋白表达的关系。结果经实时荧光定量PCR法检测,乳腺癌组织、乳腺纤维腺瘤组织中的2-△CT值分别为5.775 7±1.566 4、1.109 6±0.014 5。乳腺癌组织的Id3 mRNA阳性表达率均显著高于乳腺纤维腺瘤组织(P<0.05),Spearman等级相关分析表明其与VEGF表达呈正相关(rs=0.379,P=0.008),而与患者的年龄、淋巴结转移、肿块大小、组织学分级、pTNM分期等临床病理因素无关(P>0.05)。结论 Id3在乳腺癌中高表达,与VEGF表达呈正相关,可能与血管形成有关。
出处 《广东医学》 CAS CSCD 北大核心 2011年第22期2953-2956,共4页 Guangdong Medical Journal
基金 河北省唐山市科学技术研究与发展计划资助项目(编号:09130202A-3-35)
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