Glossary Term
MicroRNA
PCR TermsEN
Definition
A sequence of single-stranded RNA, that is 20-25 nucleotides in length, which is transcribed from DNA but is not translated into a protein. This nucleic acid may regulate the transcription or translation of other genes.
Extended Notes
Source: National Cancer Institute, NCI Thesaurus 26.09d, C25966. NCI definition, reproduced without modification under CC BY 4.0. Source identity and definition checked automatically on 2026-10-18. No individual clinical interpretation or human reviewer is asserted.
Also Known As
Micro RNAmicro-RNAMicroRNAMIRMIRNmiRNASmall Temporal RNA
References
- NCI Thesaurus 26.09d — MicroRNA (C25966)
- Source: National Cancer Institute, NCI Thesaurus 26.09d, C25966. NCI definition, reproduced without modification under CC BY 4.0.
- MicroRNA-26a-5p inhibits high glucose-induced Müller cells apoptosis by mediating PTEN/PI3K/Akt pathway. — Int J Ophthalmol, 2026-10-18 (PMID 42761654; literature)
- Corrigendum to "Anti-cancer effect of microRNA-139-3p on laryngeal squamous cell carcinoma by targeting rab5a: In vitro and in vivo studies" [Pathol.-Res. Pract., 216(2020)153194]. — Pathol Res Pract, 2026-10-09 (PMID 42855324; literature)
- Molecular stratification of ovarian insufficiency via novel MicroRNA signatures and target gene suppression. — Life Sci, 2026-10-09 (PMID 42855122; literature)
- MicroRNA miR-219 is required for neural border and neural crest development in Xenopus neurulas. — Dev Biol, 2026-10-09 (PMID 42855113; literature)
- Advances in MicroRNA-mediated Regulation of Pyroptosis in Osteoarthritis: A Central Hub in Inflammation-driven Cartilage Degeneration and Its Crosstalk with Apoptosis. — J Physiol Investig, 2026-10-15 (PMID 42873109; literature)
- Spatiotemporal regulation of microRNA-mediated gene silencing in cells. — Cell Struct Funct, 2026-10-14 (PMID 42875194; literature)
- MicroRNA 160 controls the auxin response factor-class III peroxidase module and couples salicylic acid and redox signaling networks in the potato hypersensitive response to potato virus Y. — New Phytol, 2026-10-17 (PMID 42892734; literature)
- Oxycodone self-administration induces microRNA and gene expression changes in the rat nucleus accumbens. — Eur J Pharmacol, 2026-10-17 (PMID 42892506; literature)
- MicroRNA-cytokine interplay and treg dysregulation in pediatric immune thrombocytopenia: implications for disease chronicity. — Eur J Pediatr, 2026-10-21 (PMID 42905215; literature)
- miR2Meth: An R package for dissecting DNA methylation heterogeneity at microRNA promoters. — Quant Biol, 2026-10-19 (PMID 42903533; literature)
- Prognostic value of microRNA expression in pancreatic ductal adenocarcinoma: a systematic review and meta-analysis. — EBioMedicine, 2026-10-23 (PMID 42914928; literature)
- Persistent postnatal alterations in microRNA expression in neonatal encephalopathy. — Pediatr Res, 2026-10-22 (PMID 42918830; literature)
- Plasma microRNA dysregulation in treatment-naïve primary progressive multiple sclerosis: an exploratory case-control study. — Mol Biol Rep, 2026-10-25 (PMID 42927560; literature)
- Analysis of mRNA and microRNA profiles in ischemic cardiomyopathy with LVAD support. — Mol Biol Rep, 2026-10-25 (PMID 42927537; literature)
- Editorial Expression of Concern: MicroRNA-133 controls cardiac hypertrophy. — Nat Med, 2026-10-28 (PMID 42951927; literature)
- Circulating MicroRNA-146a-5p and MicroRNA-143-3p in Atopic Dermatitis-Atopic Comorbidities Matter. — Allergy, 2026-10-27 (PMID 42946675; literature)