| mir-632 | |
|---|---|
| Identifiers | |
| Symbol | mir-632 |
| Rfam | RF01010 |
| miRBase family | MIPF0000527 |
| Other data | |
| RNA type | microRNA |
| Domain | Eukaryota; |
| PDB structures | PDBe |
In molecular biology mir-632 microRNA is a short RNA molecule. MicroRNAs function to regulate the expression levels of other genes by several mechanisms.
miR-632 has been identified as one of three key miRNAs associated with the anti-ageing myelodysplastic syndromes (MDS). In particular, its levels show high discrimination between MDS and normal controls, and expression is decreased in MDS.[1] In this way it can be used as a potential diagnostic marker for MDS.
miR-632 targets the coding region of the DNAJB6 protein, a member of the Heat Shock Protein 40 (HSP40) family which shows constitutive expression. DNAJB6 is known to be a negative regulator of tumour progression in breast cancer and its levels are compromised in advanced tumour progression. miR-632 has been linked to be downregulation of DNAJB6 and is capable of silencing both spliced variants of this protein.[2] It is currently unknown whether miR-632 may be just one of many negative regulators controlling DNAJB6 levels.
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