MIR125B2 Gene

HGNC Family Non-coding RNAs
Name microRNA 125b-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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This oncogenic influence has been further linked to promotion of epithelial–mesenchymal transition (EMT) and increased invasive behavior in malignancies such as glioma and acute lymphoblastic leukemia."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "1", "end_ref": "10"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nIn contrast, several studies report that miR‐125b is significantly underexpressed in malignancies such as ovarian, breast, gastric, hepatocellular, and Ewing’s sarcoma cancers. In these settings, restoration of miR‐125b levels leads to cell cycle arrest, reduced proliferation, diminished invasive potential, and enhanced chemosensitivity. Mechanistically, its tumor‐suppressive actions are mediated by targeting a range of oncogenic transcripts—including BCL3, MCL1, hexokinase II, and Sema4C—thereby impairing survival pathways and sensitizing cells to drugs like 5‐fluorouracil."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "11", "end_ref": "20"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nBeyond its direct effects on tumor cell proliferation and survival, miR‐125b is a key regulator of inflammation and differentiation. In macrophages, for example, miR‐125b destabilizes TNF messenger RNA—thereby contributing to immune evasion by pathogens such as Mycobacterium tuberculosis. It also facilitates neural lineage commitment by targeting SMAD4 and modulates cellular autophagy in hepatocellular carcinoma via EVA1A. Moreover, in chondrocytes, miR‐125b targets TRAF6 to attenuate MAPK and NF‑κB signaling, thereby reducing inflammatory cytokine production."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "21", "end_ref": "29"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nFinally, aberrant circulating levels of miR‐125b have shown promise as noninvasive biomarkers for diagnostic and prognostic applications across a range of disorders—including various cancers (glioma, breast, colorectal) as well as age‐related cataract. The consistent inverse or positive correlations between miR‐125b levels and clinical outcomes underscore its potential clinical utility in predicting chemotherapeutic response and disease progression."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "30", "end_ref": "37"}]}, {"type": "t", "text": "\n"}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "Ming Zhou, Zixing Liu, Yuhua Zhao, et al. 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Synonyms MIR-125B-2, MIRN125B2
NCBI Gene ID 406912
API
Download Associations
Predicted Functions View MIR125B2's ARCHS4 Predicted Functions.
Co-expressed Genes View MIR125B2's ARCHS4 Predicted Functions.
Expression in Tissues and Cell Lines View MIR125B2's ARCHS4 Predicted Functions.

Functional Associations

MIR125B2 has 604 functional associations with biological entities spanning 5 categories (molecular profile, disease, phenotype or trait, functional term, phrase or reference, cell line, cell type or tissue, gene, protein or microRNA) extracted from 16 datasets.

Click the + buttons to view associations for MIR125B2 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 MIR125B2 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 MIR125B2 gene from the CHEA Transcription Factor Binding Site Profiles dataset.
ChEA Transcription Factor Targets transcription factors binding the promoter of MIR125B2 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 MIR125B2 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 MIR125B2 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 MIR125B2 gene from the ENCODE Transcription Factor Binding Site Profiles dataset.
ENCODE Transcription Factor Targets transcription factors binding the promoter of MIR125B2 gene in ChIP-seq datasets from the ENCODE Transcription Factor Targets dataset.
GAD Gene-Disease Associations diseases associated with MIR125B2 gene in GWAS and other genetic association datasets from the GAD Gene-Disease Associations dataset.
GeneRIF Biological Term Annotations biological terms co-occuring with MIR125B2 gene in literature-supported statements describing functions of genes from the GeneRIF Biological Term Annotations dataset.
GeneSigDB Published Gene Signatures PubMedIDs of publications reporting gene signatures containing MIR125B2 from the GeneSigDB Published Gene Signatures dataset.
GEO Signatures of Differentially Expressed Genes for Kinase Perturbations kinase perturbations changing expression of MIR125B2 gene from the GEO Signatures of Differentially Expressed Genes for Kinase Perturbations dataset.
HuGE Navigator Gene-Phenotype Associations phenotypes associated with MIR125B2 gene by text-mining GWAS publications from the HuGE Navigator Gene-Phenotype Associations dataset.
Klijn et al., Nat. Biotechnol., 2015 Cell Line Gene CNV Profiles cell lines with high or low copy number of MIR125B2 gene relative to other cell lines from the Klijn et al., Nat. Biotechnol., 2015 Cell Line Gene CNV Profiles dataset.
MotifMap Predicted Transcription Factor Targets transcription factors regulating expression of MIR125B2 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 MIR125B2 gene from the Roadmap Epigenomics Histone Modification Site Profiles dataset.
WikiPathways Pathways 2014 pathways involving MIR125B2 protein from the Wikipathways Pathways 2014 dataset.