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Relationship between microRNA and esophageal carcinoma

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Author:: No author available

Journal Title:: WORLD CHINESE JOURNAL OF DIGESTOLOGY

Issue:: 19

DOI:: 10.3969/j.issn.1009-3079.2007.19.011

Key Word:: MicroRNA;肿瘤;癌基因/抑癌基因;食管癌

Abstract：动植物中广泛存在着一大类小的非编码蛋白质的RNA,21-25个核苷酸长度,被命名为microRNA(miRNA). miRNA在物种进化中相当保守,其表达有组织特异性和时序特异性. 其功能为负调控基因表达,进而调节细胞的代谢,增殖,分化和凋亡等基本的生理过程. 因此,miRNA的改变必会导致一些严重的病理过程. 研究已证实miRNA在肿瘤的发生和发展起着癌基因或抑癌基因的作用,miRNA的表达谱可用于某些肿瘤的诊断、分期和判断预后,并且在肿瘤分类方面较mRNA有更大地优越性. 本文着重介绍miRNA的产生,作用机制,与肿瘤的关系,检测方法及其在食管癌的诊断、分期和生物治疗方面的潜在作用.

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