MicroRNA Functions in Stress Responses

被引:704
作者
Leung, Anthony K. L. [1 ]
Sharp, Phillip A. [1 ,2 ]
机构
[1] MIT, Koch Inst Integrat Canc Res, Cambridge, MA 02139 USA
[2] MIT, Dept Biol, Cambridge, MA 02139 USA
基金
美国国家卫生研究院;
关键词
RNA-BINDING PROTEIN; MESSENGER-RNAS; HUMAN-CELLS; CAENORHABDITIS-ELEGANS; SIGNAL-TRANSDUCTION; GENE-EXPRESSION; HUMAN CANCERS; TARGET SITES; P-BODIES; LOCALIZATION;
D O I
10.1016/j.molcel.2010.09.027
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
MicroRNAs (miRNAs) are a class of 22 nucleotide short noncoding RNAs that play key roles in fundamental cellular processes, including how cells respond to changes in environment or, broadly defined, stresses. Responding to stresses, cells either choose to restore or reprogram their gene expression patterns. This decision is partly mediated by miRNA functions, in particular by modulating the amount of miRNAs, the amount of mRNA targets, or the activity/mode of action of miRNA-protein complexes. In turn, these changes determine the specificity, timing, and concentration of gene products expressed upon stresses. Dysregulation of these processes contributes to chronic diseases, including cancers.
引用
收藏
页码:205 / 215
页数:11
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