MicroRNA 212 (miR-212)

MicroRNA 212 (miR-212) is a short, non-coding RNA of the microRNA (miRNA) family that regulates gene expression at the post-transcriptional level, primarily by binding complementary sequences in target mRNAs and promoting their degradation or inhibiting their translation[1][3]. miR-212 is transcribed as part of the miR-132/212 cluster, is highly conserved among vertebrates, and plays pleiotropic roles across several tissues[4]. Its biological roles include modulation of cell proliferation, differentiation, apoptosis, neuronal development and function, immune regulation, and epigenetic silencing[2][4][5]. miR-212 acts as a tumor suppressor in many cancers, such as prostate, non-small cell lung, gastric, and hepatocellular carcinoma, though it may have oncogenic roles in others, such as pancreatic and esophageal cancers[2][5]. In the nervous system, miR-212 is implicated in neuronal plasticity, synaptic transmission, and is reduced in neurodegenerative diseases such as Alzheimer’s disease[4][6]. Therapeutic manipulation of miR-212 is being investigated for oncology and neurodegeneration, but challenges include its dual role in cancers and broad gene regulatory impact[2][5][6].

Other names

hsa-mir-212MIRN212mir-212MIR212miR-212

Modulation of target messenger RNA expression via RNA-induced silencing complex (RISC); Downregulation of oncogenes (e.g., MAPK1, SOX4, PXN, PTCH1, SGK3); Interference with key signaling pathways (e.g., Hedgehog pathway, MAP kinase pathway)