Posttranscriptional regulation of cancer traits by HuR.

Posttranscriptional regulation of cancer traits by HuR.
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DOI:
10.1002/wrna.4
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发表时间:
2010-09
影响因子:
7.3
通讯作者:
Gorospe, Myriam
Gorospe, Myriam
中科院分区:
生物学2区
文献类型:
--
作者:
Abdelmohsen, Kotb;Gorospe, Myriam

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癌症相关基因表达程序受到转录后机制的强烈影响。rna结合蛋白HuR在许多癌症中含量很高。许多hr调控的mrna编码与癌变有关的蛋白质。在这里,我们回顾了HuR靶mrna的集合,这些mrna编码负责实现五种主要癌症特征的蛋白质。通过与特定mRNA亚群的相互作用,HuR提高了以下蛋白质水平:1)促进细胞增殖,2)提高细胞存活率,3)促进局部血管生成,4)帮助癌细胞逃避免疫识别,5)促进癌细胞侵袭和转移。我们提出HuR通过使这些癌症表型发挥致瘤功能。我们讨论了将HuR与几种特定癌症联系起来的证据,并建议其在癌症诊断、预后和治疗方面的潜在用途。
Cancer-related gene expression programs are strongly influenced by post-transcriptional mechanisms. The RNA-binding protein HuR is highly abundant in many cancers. Numerous HuR-regulated mRNAs encode proteins implicated in carcinogenesis. Here, we review the collections of HuR target mRNAs that encode proteins responsible for implementing five major cancer traits. By interacting with specific mRNA subsets, HuR enhances the levels of proteins that 1) promote cell proliferation, 2) increase cell survival, 3) elevate local angiogenesis, 4) help the cancer cell evade immune recognition, and 5) facilitate cancer cell invasion and metastasis. We propose that HuR exerts a tumorigenic function by enabling these cancer phenotypes. We discuss evidence that links HuR to several specific cancers and suggests its potential usefulness in cancer diagnosis, prognosis, and therapy.
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发表时间: 2009-07-01
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