MicroRNAs are short noncoding RNAs that play critical roles in regulating gene expression in normal physiology and disease. Despite having tightly controlled expression levels, little is known about how miRNAs themselves are regulated because their genes are poorly defined. In a recent study, researchers devised a strategy for genome-wide annotation of primary miRNA transcripts, providing extensive new annotations in human and mouse, and shedding light on mechanisms of regulation of microRNA gene expression.
http://www.sciencedaily.com/releases/2015/08/150819134853.htm
Genome-wide annotation of primary miRNAs reveals novel mechanisms
19 agosto 2015
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