MIR1-2 Gene

HGNC Family Non-coding RNAs
Name microRNA 1-2
Description microRNAs (miRNAs) are short (20-24 nt) non-coding RNAs that are involved in post-transcriptional regulation of gene expression in multicellular organisms by affecting both the stability and translation of mRNAs. miRNAs are transcribed by RNA polymerase II as part of capped and polyadenylated primary transcripts (pri-miRNAs) that can be either protein-coding or non-coding. The primary transcript is cleaved by the Drosha ribonuclease III enzyme to produce an approximately 70-nt stem-loop precursor miRNA (pre-miRNA), which is further cleaved by the cytoplasmic Dicer ribonuclease to generate the mature miRNA and antisense miRNA star (miRNA*) products. The mature miRNA is incorporated into a RNA-induced silencing complex (RISC), which recognizes target mRNAs through imperfect base pairing with the miRNA and most commonly results in translational inhibition or destabilization of the target mRNA. The RefSeq represents the predicted microRNA stem-loop. [provided by RefSeq, Sep 2009]
Summary
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For instance, miR‐1 downregulation has been shown to promote oncogenic metabolic flux by enhancing the expression of pentose phosphate pathway genes, while its restoration decreases NADPH production, ribose synthesis, and in vivo tumor growth."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "1"}]}, {"type": "t", "text": " In addition, miR‐1 processing is perturbed in myotonic dystrophy, leading to dysregulation of key cardiac transcripts and contributing to heart dysfunction"}, {"type": "fg", "children": [{"type": "fg_f", "ref": "2"}]}, {"type": "t", "text": ", and its interaction with long non‐coding RNAs such as MALAT1 and UCA1 has been implicated in modulating cell migration, invasion, cancer stem cell activity, and radioresistance in breast, nasopharyngeal, gallbladder, bladder, and other cancers."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "3", "end_ref": "5"}]}, {"type": "t", "text": " Furthermore, miR‐1 suppresses breast cancer stem cell stemness via down‐regulation of components in the Wnt/β‐catenin pathway"}, {"type": "fg", "children": [{"type": "fg_f", "ref": "6"}]}, {"type": "t", "text": ", induces apoptosis in nasopharyngeal carcinoma"}, {"type": "fg", "children": [{"type": "fg_f", "ref": "7"}]}, {"type": "t", "text": ", and its consistent downregulation in colorectal, non–small cell lung, chordoma, mesothelioma, glioblastoma, ovarian cancer, osteosarcoma, renal cell carcinoma, hepatocellular carcinoma, uterine leiomyosarcoma, and esophageal cancer correlates with poor clinical outcome."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "8", "end_ref": "23"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nIn the cardiovascular system, miR‐1 plays a dual role. On one hand, altered miR‐1 expression modulates myocardial bioenergetics, electrical conduction, and cell survival, acting as a sensitive circulating biomarker for cardiac injury, acute myocardial infarction, and doxorubicin‐induced cardiotoxicity"}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "24", "end_ref": "26"}]}, {"type": "t", "text": " miR‐1 levels correlate with troponin rise and changes in left ventricular function during cardiopulmonary bypass as well as in postmortem myocardial samples, highlighting its clinical diagnostic value."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "27"}]}, {"type": "t", "text": " Moreover, miR‐1 dysregulation contributes to arrhythmogenesis by affecting ion channel expression and modifying gap junction proteins, and its aberrant expression is linked to postoperative atrial fibrillation and abnormal conduction"}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "29", "end_ref": "31"}]}, {"type": "t", "text": " miR‐1 is also implicated in the regulation of tumor endothelial cells in hepatocellular carcinoma and serves as a diagnostic adjunct in pediatric viral myocarditis, while altered miR‐1 expression due to myotonic dystrophy and its consequent impact on targets such as gap junction proteins further underscore its importance in cardiac structural and functional integrity."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "32", "end_ref": "35"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nBeyond its roles in cancer and the heart, miR‐1–2 is a key regulator of muscle differentiation, autophagy, and cellular stress responses. 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Synonyms MIRN1-2, HSA-MIR-1-2, MIR-1-2, MIRNA1-2
NCBI Gene ID 406905
API
Download Associations
Predicted Functions View MIR1-2's ARCHS4 Predicted Functions.
Co-expressed Genes View MIR1-2's ARCHS4 Predicted Functions.
Expression in Tissues and Cell Lines View MIR1-2's ARCHS4 Predicted Functions.

Functional Associations

MIR1-2 has 961 functional associations with biological entities spanning 5 categories (molecular profile, functional term, phrase or reference, disease, phenotype or trait, cell line, cell type or tissue, gene, protein or microRNA) extracted from 20 datasets.

Click the + buttons to view associations for MIR1-2 from the datasets below.

If available, associations are ranked by standardized value

Dataset Summary
CCLE Cell Line Gene CNV Profiles cell lines with high or low copy number of MIR1-2 gene relative to other cell lines from the CCLE Cell Line Gene CNV Profiles dataset.
ChEA Transcription Factor Binding Site Profiles transcription factor binding site profiles with transcription factor binding evidence at the promoter of MIR1-2 gene from the CHEA Transcription Factor Binding Site Profiles dataset.
ChEA Transcription Factor Targets transcription factors binding the promoter of MIR1-2 gene in low- or high-throughput transcription factor functional studies from the CHEA Transcription Factor Targets dataset.
COSMIC Cell Line Gene CNV Profiles cell lines with high or low copy number of MIR1-2 gene relative to other cell lines from the COSMIC Cell Line Gene CNV Profiles dataset.
ENCODE Histone Modification Site Profiles histone modification site profiles with high histone modification abundance at MIR1-2 gene from the ENCODE Histone Modification Site Profiles dataset.
ENCODE Transcription Factor Binding Site Profiles transcription factor binding site profiles with transcription factor binding evidence at the promoter of MIR1-2 gene from the ENCODE Transcription Factor Binding Site Profiles dataset.
ENCODE Transcription Factor Targets transcription factors binding the promoter of MIR1-2 gene in ChIP-seq datasets from the ENCODE Transcription Factor Targets dataset.
ESCAPE Omics Signatures of Genes and Proteins for Stem Cells PubMedIDs of publications reporting gene signatures containing MIR1-2 from the ESCAPE Omics Signatures of Genes and Proteins for Stem Cells dataset.
GeneRIF Biological Term Annotations biological terms co-occuring with MIR1-2 gene in literature-supported statements describing functions of genes from the GeneRIF Biological Term Annotations dataset.
GEO Signatures of Differentially Expressed Genes for Kinase Perturbations kinase perturbations changing expression of MIR1-2 gene from the GEO Signatures of Differentially Expressed Genes for Kinase Perturbations dataset.
GTEx Tissue Gene Expression Profiles tissues with high or low expression of MIR1-2 gene relative to other tissues from the GTEx Tissue Gene Expression Profiles dataset.
GTEx Tissue Sample Gene Expression Profiles tissue samples with high or low expression of MIR1-2 gene relative to other tissue samples from the GTEx Tissue Sample Gene Expression Profiles dataset.
HuGE Navigator Gene-Phenotype Associations phenotypes associated with MIR1-2 gene by text-mining GWAS publications from the HuGE Navigator Gene-Phenotype Associations dataset.
JASPAR Predicted Transcription Factor Targets transcription factors regulating expression of MIR1-2 gene predicted using known transcription factor binding site motifs from the JASPAR Predicted Transcription Factor Targets dataset.
Klijn et al., Nat. Biotechnol., 2015 Cell Line Gene CNV Profiles cell lines with high or low copy number of MIR1-2 gene relative to other cell lines from the Klijn et al., Nat. Biotechnol., 2015 Cell Line Gene CNV Profiles dataset.
KnockTF Gene Expression Profiles with Transcription Factor Perturbations transcription factor perturbations changing expression of MIR1-2 gene from the KnockTF Gene Expression Profiles with Transcription Factor Perturbations dataset.
MGI Mouse Phenotype Associations 2023 phenotypes of transgenic mice caused by MIR1-2 gene mutations from the MGI Mouse Phenotype Associations 2023 dataset.
MotifMap Predicted Transcription Factor Targets transcription factors regulating expression of MIR1-2 gene predicted using known transcription factor binding site motifs from the MotifMap Predicted Transcription Factor Targets dataset.
Roadmap Epigenomics Histone Modification Site Profiles histone modification site profiles with high histone modification abundance at MIR1-2 gene from the Roadmap Epigenomics Histone Modification Site Profiles dataset.
WikiPathways Pathways 2014 pathways involving MIR1-2 protein from the Wikipathways Pathways 2014 dataset.