Exploring Mechanisms of MicroRNA Downregulation in Cancer.

Abstract excerpt

MicroRNAs (miRNAs) are short, non-coding RNAs that regulate gene expression at a posttranscriptional level. Each miRNA controls the expression of multiple messenger RNAs (mRNAs) and their dysregulation has been implicated in multiple cancer phenotypes. While some miRNAs are upregulated, global downregulation of miRNA expression is often the rule in cancer. A multitude of potential mechanisms drive aberrant miRNA...

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