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良恶性病变食管组织及其邻近组织中HOXA5 蛋白 和mRNA的表达
Authors
Publication date
1 January 2009
Publisher
Editorial Office of Journal of Sun Yat-sen University
Abstract
【目的】 探讨食管鳞癌组织中同源异型盒基因(HOX)HOXA5蛋白和mRNA的表达情况,分析HOXA5表达与食管癌患者年龄?性别及其他临床病理学特征的关系。【方法】 选择31例择期手术的食管癌患者,手术切除的标本均在离体30 min内分别于癌灶、癌旁3 cm以内及手术残端食管黏膜组织3处取材;对各部分标本作HE染色进行病理学诊断及分型,用免疫组织化学染色方法检测HOXA5蛋白的表达,用荧光定量PCR法检测HOXA5 mRNA的表达。 【结果】 ①HE病理组织学检测证实31例癌组织标本均为鳞癌,癌旁3 cm以内的标本呈中-重度不典型增生,手术残端食管黏膜组织均为正常鳞状上皮。②在正常食管黏膜组织、癌旁不典型增生组织及食管鳞癌组织中HOXA5蛋白阳性表达率分别为32.3%、58.1%和64.5%(P 0.05)。④HOXA5 蛋白表达与其mRNA的表达一致性程度良好(Kappa = 0.718, P < 0.05)。【结论】 HOXA5 蛋白和mRNA的表达在癌旁不典型增生组织、食管鳞癌组织中明显升高,它可能是食管鳞癌发生过程中的早期事件
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Last time updated on 15/10/2024