MicroRNA-892b (MIR892B)

MicroRNA-892b (MIR892B) is a short non-coding RNA molecule, approximately 20-24 nucleotides in length, that functions as a post-transcriptional regulator of gene expression in multicellular organisms, including humans[1][2]. MIR892B, like other microRNAs, is generated from a primary transcript processed sequentially by Drosha and Dicer enzymes, resulting in a mature miRNA that is loaded into the RNA-induced silencing complex (RISC). Through partial base-pairing, MIR892B binds to specific mRNA targets and primarily leads to translational inhibition or destabilization of these mRNAs[1][4]. In the context of human disease, MIR892B has been shown to influence the proliferation, migration, and invasion of bladder cancer cells, potentially through modulation of pathways involving p19ARF/cyclin D1/CDK6 and Sp1/MMP-9[1]. MicroRNAs are not receptors, enzymes, or conventional therapeutic "targets," but are essential gene expression regulators and increasingly investigated as biomarkers or therapeutic modulators in diseases such as cancer[1][4].

Other names

hsa-mir-892bMIRN892BMIR892B