MicroRNA 3921 (MIR3921)

MicroRNA 3921 is a small, non-coding RNA molecule belonging to the microRNA family. Like other microRNAs, MIR3921 regulates gene expression primarily through sequence-specific binding to complementary sites, usually in the 3’ untranslated region (UTR) of target messenger RNAs, leading to translational repression or mRNA degradation[3][4]. Recent studies have identified MIR3921 as a microRNA that is significantly downregulated in gastric cancer tissues compared to corresponding normal tissue, suggesting it may play a role in tumorigenesis and could serve as a biomarker for disease detection[5]. The target gene network regulated by MIR3921 is still being elucidated, with predicted involvement in cellular metabolism and carcinogenic pathways[5]. No current therapies specifically target MIR3921, but microRNAs in general are under investigation as potential therapeutic targets and biomarkers in oncology and other diseases[2][4].

Other names

hsa-mir-3921mir-3921microRNA-3921

No specific mechanism of drug action documented for MIR3921; generally, miRNAs modulate target gene networks via translation repression and mRNA degradation.