Over the last decade, a growing number of non-coding transcripts have been found to have roles in gene regulation and RNA processing. The most well known small non-coding RNAs are the miRNAs/miRs (microRNAs), which have been found to be involved in human tumorigenesis, revealing a new layer in the molecular architecture of cancer. Gene expression studies have shown that hundreds of miRNAs are deregulated in cancer cells, and functional studies have clarified that miRNAs are involved in all the molecular and biologic processes th...
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