mir-103/107 microRNA precursor
| mir-103/107 microRNA precursor | |
|---|---|
 |
|
| Predicted secondary structure and sequence conservation of mir-103 | |
| Identifiers | |
| Symbol | mir-103 |
| Rfam | RF00129 |
| miRBase | MI0000109 |
| miRBase family | MIPF0000024 |
| Other data | |
| RNA type | Gene; miRNA |
| Domain(s) | Eukaryota |
| GO | 0035195 0035068 |
| SO | 0001244 |
The miR-103 microRNA precursor (homologous to miR-107), is a short non-coding RNA gene involved in gene regulation. miR-103 and miR-107 have now been predicted or experimentally confirmed in human.[1][2]
microRNAs are transcribed as ~70 nucleotide precursors and subsequently processed by the Dicer enzyme to give a ~22 nucleotide product. In this case the mature sequence comes from the 5' arm of the precursor. The mature products are thought to have regulatory roles through complementarity to mRNA.[3]
mir-103 and mir-107 were noted as being upregulated in obese mice and were subsequently found to have a key role in insulin sensitivity. This led to a suggestion that these microRNAs represent potential targets for the treatment of type 2 diabetes.[4]
mir-103 has also been linked with chronic pain[5] and intestinal cell proliferation.[6]
Recently, miR-103-3p was shown to target the 5' untranslated region (5' UTR) of GPRC5A's mRNA in pancreatic cancer.[7] This is one of only a handful of known instances where a miRNA targets the 5' UTR of a mRNA.
References
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External links
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