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Glossary Term
Glossary Term MicroRNA
Definition MicroRNAs (miRNAs) are a group of noncoding RNA molecules, generally 21 to 24 nucleotides in length, which are usually cleaved from a larger hairpin-containing RNA (itself often processed from some portion of mRNA). miRNAs are conserved through evolution, and their abundance and expression patterns are suggestive of diverse regulatory roles.
Contributing Projects:
Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB), Gene Ontology (GO)
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Send questions and comments to User Support. 		last database update
06/14/2022
MGI 6.19 		The Jackson Laboratory