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MicroRNA在肿瘤方面的研究进展 被引量:3

Advance in the Research of microRNA in Cancer
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摘要 MicroRNAs(miRNAs)是一类含有大约22(18-24)个核苷酸的单链RNAs,属于非蛋白编码RNA。一般通过碱基互补与靶mRNA的3’端非翻译区(3’UTR)结合。根据碱基互补程度的不同,具有降解靶mRNA或抑制靶mRNA翻译的功能。miRNA对细胞的增殖、分化和凋亡有重要的调节作用,其在正常组织和肿瘤组织中的表达显著不同,参与了肿瘤的发生、发展和预后。该文主要讨论miRNA在肿瘤方面的研究进展。 MicroRNAs ( miRNAs ) are a class of about 22 ( 18 - 24 ) nucleotide non-coding, single-stranded RNA (ssRNA). According to the degree of base pairing to complementary sites within its 3'- untranslated region (3 'UTR ) , miRNA can degrade or negatively regulate the translation of target mRNA and can contribute to cell proliferation, cell differentiation and cell apoptosis. Between normal tissues and cancers , there are markedly different expressions of miRNAs that participate in cancer development, progression and prognosis. In this review,we will discuss the progress on the study of microRNA in cancer.
出处 《国际遗传学杂志》 CAS 2007年第4期290-294,共5页 International Journal of Genetics
关键词 微小RNA 肿瘤 增殖 凋亡 microRNA(miRNA) Cancer Proliferation Apoptosis
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