Roles of small RNAs in tumor formation.
Roles of small RNAs in tumor formation.
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DOI:
10.1016/j.molmed.2010.04.001
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发表时间:
2010-06
影响因子:
13.6
通讯作者:
Croce CM
中科院分区:
文献类型:
--
作者:
Di Leva G;Croce CM
MicroRNAs (miRNAs) are small noncoding RNAs that act as post-transcriptional repressors of gene expression in organisms ranging from plants to humans. A widespread role for miRNAs in diverse molecular processes driving initiation and progression of various tumor types has recently been described. In this review, we discuss the etiology of aberrant expression of miRNAs in human cancers and their role in tumor metastasis, which may define miRNAs as oncogenes or tumor suppressors. Moreover, we highlight the genomic/epigenetic alterations and transcriptional/post-transcriptional mechanisms associated with misexpression of miRNAs in cancer. A better understanding of miRNA biology may ultimately yield further insight into the molecular mechanisms of tumorigenesis and new therapeutic strategies against cancer.
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