microRNA 4689 (miR-4689)

microRNA 4689 (miR-4689) is a small, endogenous non-coding RNA involved in the post-transcriptional regulation of gene expression through the RNA interference pathway[2]. It acts by binding to complementary sequences in the 3' untranslated regions (3'UTRs) of target mRNAs, leading to mRNA degradation or translational repression with the RNA-induced silencing complex (RISC)[2]. miR-4689 has been identified as differentially expressed in human serum, particularly in liver disease, where it acts as a potential diagnostic biomarker for biliary atresia, regulating genes involved in key signaling pathways such as FoxO, mTOR, and PI3K/Akt[1]. Its target genes include ROCK1 and SGK1, implicating it in various cellular processes and diseases, especially certain cancers and liver disorders[1]. Note: miR-4689 is not a classic druggable "target" like a protein receptor or enzyme but is considered a functional target in RNA-based or gene expression-modifying therapeutic strategies; there are currently no approved drugs that specifically target this miRNA, but miRNA mimics and inhibitors are under experimental study[4].

Other names

hsa-miR-4689MIR4689mir-4689hsa-mir-4689

Gene expression inhibition by mRNA silencing or translational repression via the RNA-induced silencing complex (RISC); Down-regulation of target genes (e.g., ROCK1, SGK1)