MicroRNAs of the immune system: roles in inflammation and cancer.

MicroRNAs of the immune system: roles in inflammation and cancer.
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DOI:
10.1111/j.1749-6632.2009.05121.x
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发表时间:
2010-01
影响因子:
5.2
通讯作者:
Tam W
Tam W
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Davidson-Moncada J;Papavasiliou FN;Tam W

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microRNA(miRNAs)是一类小的非编码RNA,通过与互补的靶mRNA结合,促进其降解或抑制其翻译来调节基因表达。研究的大多数真核基因组编码miRNA,其通过从真菌到植物再到动物的保守途径从较长的非编码转录物加工而成。现在人们认为,miRNAs是许多模式生物中发育转变的关键介质。关于免疫系统,miRNA影响免疫系统发育的所有方面,从造血到响应感染的激活,在先天性和适应性免疫应答期间。同时,miRNA失调是许多免疫系统癌症的发展和病理生理学中的中心事件。在这里,我们将讨论我们目前的理解,这种一般的调节机制,重点是它在炎症和肿瘤发生的参与。
MicroRNAs (miRNAs) are small non-coding RNAs that regulate gene expression by binding to complementary target mRNAs and either promoting their decay or inhibiting their translation. Most eukaryotic genomes studied encode miRNAs, which are processed from longer, non-coding transcripts through pathways conserved from fungi to plants to animals. MiRNAs are now understood to be key mediators of developmental transitions in a number of model organisms. With respect to the immune system, miRNAs affect all facets of immune system development, from hematopoiesis to activation in response to infection, both during the innate and the adaptive immune response. At the same time, miRNA dysregulation is a central event in the development and pathophysiology of a number of cancers of the immune system. Here we will discuss our current understanding of this general regulatory mechanism focusing on its involvement in inflammation and in oncogenesis.
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