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Mir-184
In molecular biology, miR-184 microRNA is a short non-coding RNA molecule. MicroRNAs (miRNAs) function as posttranscriptional regulators of expression levels of other genes by several mechanisms. Several targets for miR-184 have been described, including that of mediators of neurological development, apoptosis and it has been suggested that miR-184 plays an essential role in development. MicroRNAs can bind to the three prime untranslated region (3’UTR) of the target messenger RNA (mRNA). Binding of the miRNA can hinder translation of mRNA by promoting degradation or inducing deadenylation. ==Genomic location== miR-184 is a single copy gene and evolutionarily conserved at the nucleotide level from flies to humans. In humans, miR-184 is located within region 25.1 on the q-arm of chromosome 15, and its corresponding transcript is comparatively small (84bp) which is not encoded near other clustered miRNAs. In the mouse genome, miR-184 is located in an imprinted locus on mouse chromosome 9, and it is 55 kb away from the nearest coding gene. The genomic region immediately surrounding miR-184 does not contain a classic CpG island, but does contain several CpG-rich sequences that are suitable for MBD1 binding.
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