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食管鳞癌TβRⅠ、Ⅱ基因启动子区甲基化及其mRNA表达的开题报告

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精品文档---下载后可任意编辑食管鳞癌 TβRⅠ、Ⅱ基因启动子区甲基化及其 mRNA表达的开题报告【摘要】随着生活方式和饮食习惯的改变,食管癌的发病率近年来呈上升趋势。其中,食管鳞癌是最常见的类型。本讨论旨在探究食管鳞癌患者TβRⅠ、Ⅱ基因启动子区的甲基化情况以及其 mRNA 表达水平。通过对食管鳞癌组织和正常食管组织进行病理学、分子生物学实验,发现 TβRⅠ、Ⅱ基因启动子区在食管鳞癌组织中存在甲基化,在正常组织中不表现出甲基化现象。同时,TβRⅠ、Ⅱ基因的 mRNA 表达在食管鳞癌组织中明显下调。表明 TβRⅠ、Ⅱ基因的甲基化和 mRNA 表达水平与食管鳞癌的发生有关。加强 TβRⅠ、Ⅱ基因的讨论,对于食管鳞癌的治疗和预防具有重要的参考价值。【关键词】食管鳞癌;甲基化;TβRⅠ;TβRⅡ;mRNA【Abstract】With changes in lifestyle and dietary habits, the incidence of esophageal cancer has been on the rise in recent years. Among them, esophageal squamous cell carcinoma is the most common type. This study aimed to explore the methylation status of the TβRⅠ and Ⅱ gene promoter regions and their mRNA expression levels in patients with esophageal squamous cell carcinoma. Pathological and molecular biology experiments were conducted on esophageal squamous cell carcinoma tissues and normal esophageal tissues. It was found that the TβRⅠ and Ⅱ gene promoter regions were methylated in esophageal squamous cell carcinoma tissues but did not show methylation in normal tissues. At the same time, the mRNA expression of TβRⅠ and Ⅱ genes was significantly down-regulated in esophageal squamous cell carcinoma tissues. It indicates that the methylation and mRNA expression levels of TβRⅠ and Ⅱ genes are related to the occurrence of esophageal squamous cell carcinoma. Strengthening research on TβRⅠ and Ⅱ genes is of great reference value for the treatment and prevention of esophageal squamous cell carcinoma.【Keywords】Esophageal squamous cell carcinoma; Methylation; TβRⅠ; TβRⅡ; mRNA

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食管鳞癌TβRⅠ、Ⅱ基因启动子区甲基化及其mRNA表达的开题报告

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