Definitions for "MiRNA"
acronynm for MicroRNA a small noncoding ribonucleotide-based (RNA) regulators of gene expression.
See microRNA (miRNA)
microRNA. Naturally expressed small RNAs that interact with components shared by the RNA-induced silencing complex (RISC). It is increasingly believed that microRNAs play a central role in the regulation of gene expression in mammalian cells, and abnormalities in their function may play a role in human disease.