| HGNC Family | Non-coding RNAs |
| Name | microRNA 219a-1 |
| 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 |
{"type": "root", "children": [{"type": "p", "children": [{"type": "t", "text": "\nMiR‐219A1 has emerged as a critical regulator in the central nervous system. In experimental epilepsy models, reduced miR‐219 levels lead to disinhibition of the CaMKIIγ/NMDA receptor pathway, resulting in increased seizure activity; conversely, supplementing miR‐219 alleviates seizures."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "1"}]}, {"type": "t", "text": " In neural stem cells, miR‐219 processing is inhibited by the nuclear receptor TLX, thereby dampening proliferation and implicating its dysregulation in neurodevelopmental disorders such as schizophrenia."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "2"}]}, {"type": "t", "text": " Moreover, reduced miR‐219 expression in spinal neurons contributes to chronic inflammatory pain via upregulation of CaMKIIγ"}, {"type": "fg", "children": [{"type": "fg_f", "ref": "3"}]}, {"type": "t", "text": ", and its altered levels in cerebrospinal fluid serve as a potential biomarker for multiple sclerosis."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "4"}]}, {"type": "t", "text": " In traumatic brain injury models, miR‐219 upregulation modulates cell cycle regulators and apoptosis, further underscoring its role in controlling neuronal survival."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "5"}]}, {"type": "t", "text": " Finally, epigenetic studies reveal that abnormal methylation of miR‐219 target genes is linked to hippocampal volume changes and psychiatric manifestations in schizophrenia"}, {"type": "fg", "children": [{"type": "fg_f", "ref": "6"}]}, {"type": "t", "text": ", while altered miR‐219 expression in mesial temporal lobe epilepsy patients supports its involvement in regulating excitatory neurotransmission."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "7"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nIn diverse cancers, miR‐219A1 functions predominantly as a tumor suppressor. In hepatocellular carcinoma, diminished miR‐219‐5p levels correlate with increased glypican‐3 expression and enhanced cellular proliferation."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "8"}]}, {"type": "t", "text": " In triple‐negative breast cancer, miR‐219a-5p is sponged by lncRNA HCP5, thereby relieving repression of apoptotic and proliferation pathways."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "9"}]}, {"type": "t", "text": " In glioblastoma, it directly targets components such as EGFR"}, {"type": "fg", "children": [{"type": "fg_f", "ref": "10"}]}, {"type": "t", "text": "and, in papillary thyroid carcinoma, its downregulation is associated with tumor progression."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "11"}]}, {"type": "t", "text": " In pancreatic ductal adenocarcinoma, miR‐219-1-3p negatively regulates the MUC4 oncomucin to impede tumor growth"}, {"type": "fg", "children": [{"type": "fg_f", "ref": "12"}]}, {"type": "t", "text": ", and in colon cancer, it suppresses carcinogenesis by targeting the oncogene Sall4."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "13"}]}, {"type": "t", "text": " Genetic polymorphisms in the miR‐219-1 precursor are linked to colorectal cancer risk and patient prognosis"}, {"type": "fg", "children": [{"type": "fg_f", "ref": "14"}]}, {"type": "t", "text": ", while in esophageal squamous cell carcinoma, miR‐219-5p exerts similar regulatory functions."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "15"}]}, {"type": "t", "text": " Furthermore, alterations in promoter methylation of miR‐219 have been associated with immunomodulatory and carcinogenic processes in breast cancer among night shift workers"}, {"type": "fg", "children": [{"type": "fg_f", "ref": "16"}]}, {"type": "t", "text": ", and in epithelial ovarian cancer, overexpression of miR‐219-5p suppresses proliferation and invasion by targeting Twist and attenuating Wnt/β‐catenin signaling."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "17"}]}, {"type": "t", "text": " Similar tumor‐suppressive roles have been observed in melanoma by targeting Bcl‐2"}, {"type": "fg", "children": [{"type": "fg_f", "ref": "18"}]}, {"type": "t", "text": ", in medulloblastoma by inhibiting proliferation and migration via downregulation of CD164"}, {"type": "fg", "children": [{"type": "fg_f", "ref": "19"}]}, {"type": "t", "text": ", and in glioblastoma through repression of ROBO1."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "20"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nAdditional studies have further illuminated the multifaceted regulatory and clinical implications of miR‐219A1. In inflammatory bowel disease, miR‐219a-5p suppresses Th1/Th17 responses by targeting ETV5, thereby ameliorating intestinal inflammation."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "21"}]}, {"type": "t", "text": " In ovarian cancer, the MEG3/miR‐219a-5p/EGFR axis is critical for modulating cell viability and motility"}, {"type": "fg", "children": [{"type": "fg_f", "ref": "22"}]}, {"type": "t", "text": ", while in gastric cancer, miR‐219-1 is negatively regulated by lncRNA CCAT1 to promote tumorigenesis."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "23"}]}, {"type": "t", "text": " In non‐small cell lung cancer, miR‐219a-5p enhances chemosensitivity to cisplatin by targeting FGF9"}, {"type": "fg", "children": [{"type": "fg_f", "ref": "24"}]}, {"type": "t", "text": "and its upregulation suppresses epithelial–mesenchymal transition by targeting MRTF-A."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "25"}]}, {"type": "t", "text": " Under hypoxic conditions in hepatocellular carcinoma, reduced miR‐219 augments SMC4 expression and supports tumor progression"}, {"type": "fg", "children": [{"type": "fg_f", "ref": "26"}]}, {"type": "t", "text": ", whereas in gastric cancer, specific miR‐219-1 polymorphisms are associated with disease susceptibility."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "27"}]}, {"type": "t", "text": " Epigenetic silencing of the miR‐219-1 promoter correlates with increased cyclin A2 and MUC4 levels in glioblastoma"}, {"type": "fg", "children": [{"type": "fg_f", "ref": "28"}]}, {"type": "t", "text": ", and genetic variants of miR‐219-1 have been linked to non‐small cell lung cancer prognosis."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "29"}]}, {"type": "t", "text": " In liver cancer stem cells, elevated miR‐219 promotes self‐renewal and tumorigenicity via downregulation of E-cadherin"}, {"type": "fg", "children": [{"type": "fg_f", "ref": "30"}]}, {"type": "t", "text": ", while in colon cancer, miR‐219a-1 exerts antitumor effects by directly targeting MEMO1."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "31"}]}, {"type": "t", "text": " In prostate cancer, altered miR‐219-5p expression impacts cellular proliferation"}, {"type": "fg", "children": [{"type": "fg_f", "ref": "32"}]}, {"type": "t", "text": ", and its modulation enhances radiosensitivity in non‐small cell lung cancer by targeting CD164."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "33"}]}, {"type": "t", "text": " Additionally, in glioblastoma, the oncogenic lncRNA HOTAIR exerts part of its effect by downregulating miR‐219"}, {"type": "fg", "children": [{"type": "fg_f", "ref": "34"}]}, {"type": "t", "text": ", whereas in wound healing, miR‐219-5p modulates keratinocyte migration via targeting TMEM98."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "35"}]}, {"type": "t", "text": " Finally, in papillary thyroid carcinoma, regulation of miR‐219 is integral to controlling tumor cell proliferation"}, {"type": "fg", "children": [{"type": "fg_f", "ref": "36"}]}, {"type": "t", "text": ", and aberrant methylation of its promoter in glioblastoma further underscores its tumor-suppressive role."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "37"}]}, {"type": "t", "text": "\n"}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "Honghua Zheng, Rong Tang, Yi Yao, et al. 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| Synonyms | MIR-219A-1, MIR219-1, MIRN219-1, MIR-219, MRI219-1, HSA-MIR-219A-1 |
| NCBI Gene ID | 407002 |
| API | |
| Download Associations | |
| Predicted Functions |
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| Co-expressed Genes |
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| Expression in Tissues and Cell Lines |
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MIR219A1 has 448 functional associations with biological entities spanning 6 categories (molecular profile, disease, phenotype or trait, functional term, phrase or reference, chemical, cell line, cell type or tissue, gene, protein or microRNA) extracted from 16 datasets.
Click the + buttons to view associations for MIR219A1 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 MIR219A1 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 MIR219A1 gene from the CHEA Transcription Factor Binding Site Profiles dataset. | |
| ChEA Transcription Factor Targets | transcription factors binding the promoter of MIR219A1 gene in low- or high-throughput transcription factor functional studies from the CHEA Transcription Factor Targets dataset. | |
| CTD Gene-Disease Associations | diseases associated with MIR219A1 gene/protein from the curated CTD Gene-Disease Associations dataset. | |
| ENCODE Histone Modification Site Profiles | histone modification site profiles with high histone modification abundance at MIR219A1 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 MIR219A1 gene from the ENCODE Transcription Factor Binding Site Profiles dataset. | |
| ENCODE Transcription Factor Targets | transcription factors binding the promoter of MIR219A1 gene in ChIP-seq datasets from the ENCODE Transcription Factor Targets dataset. | |
| GAD Gene-Disease Associations | diseases associated with MIR219A1 gene in GWAS and other genetic association datasets from the GAD Gene-Disease Associations dataset. | |
| GeneRIF Biological Term Annotations | biological terms co-occuring with MIR219A1 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 MIR219A1 from the GeneSigDB Published Gene Signatures dataset. | |
| GEO Signatures of Differentially Expressed Genes for Gene Perturbations | gene perturbations changing expression of MIR219A1 gene from the GEO Signatures of Differentially Expressed Genes for Gene Perturbations dataset. | |
| GEO Signatures of Differentially Expressed Genes for Small Molecules | small molecule perturbations changing expression of MIR219A1 gene from the GEO Signatures of Differentially Expressed Genes for Small Molecules dataset. | |
| GTEx Tissue Gene Expression Profiles | tissues with high or low expression of MIR219A1 gene relative to other tissues from the GTEx Tissue Gene Expression Profiles dataset. | |
| HuGE Navigator Gene-Phenotype Associations | phenotypes associated with MIR219A1 gene by text-mining GWAS publications from the HuGE Navigator Gene-Phenotype Associations dataset. | |
| JASPAR Predicted Transcription Factor Targets | transcription factors regulating expression of MIR219A1 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 MIR219A1 gene relative to other cell lines from the Klijn et al., Nat. Biotechnol., 2015 Cell Line Gene CNV Profiles dataset. | |