| Name | long intergenic non-protein coding RNA 346 |
| Summary |
{"type": "root", "children": [{"type": "p", "children": [{"type": "t", "text": "\n Long intergenic non‐protein coding RNA 00346 (LINC00346) has emerged as a multifunctional regulator in diverse human diseases, particularly in cancer. Elevated levels of LINC00346 have been detected in several malignancies—including breast cancer"}, {"type": "fg", "children": [{"type": "fg_f", "ref": "1"}]}, {"type": "t", "text": ", pancreatic cancer"}, {"type": "fg", "children": [{"type": "fg_f", "ref": "2"}]}, {"type": "t", "text": ", pancreatic ductal adenocarcinoma"}, {"type": "fg", "children": [{"type": "fg_f", "ref": "3"}]}, {"type": "t", "text": ", bladder cancer"}, {"type": "fg", "children": [{"type": "fg_f", "ref": "4"}]}, {"type": "t", "text": ", cutaneous squamous cell carcinoma"}, {"type": "fg", "children": [{"type": "fg_f", "ref": "5"}]}, {"type": "t", "text": ", non‐small cell lung cancer"}, {"type": "fg", "children": [{"type": "fg_f", "ref": "6"}]}, {"type": "t", "text": "and hepatocellular carcinoma."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "7"}]}, {"type": "t", "text": " In these tumors its upregulation often correlates with poor overall survival, advanced clinicopathological features, and chemoresistance.\n "}]}, {"type": "t", "text": "\n "}, {"type": "p", "children": [{"type": "t", "text": "\n In pancreatic cancer, for example, LINC00346 promotes cell proliferation, colony formation, tumorigenesis, and gemcitabine resistance by acting as a competing endogenous RNA (ceRNA) that sequesters microRNAs such as miR‐188‐3p—thereby upregulating targets like BRD4."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "2"}]}, {"type": "t", "text": " In another pancreatic study, elevated LINC00346 expression was associated with advanced clinical stage and reduced patient survival"}, {"type": "fg", "children": [{"type": "fg_f", "ref": "9"}]}, {"type": "t", "text": ", and it was also incorporated into a prognostic risk score system."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "10"}]}, {"type": "t", "text": "\n "}]}, {"type": "t", "text": "\n "}, {"type": "p", "children": [{"type": "t", "text": "\n In pancreatic ductal adenocarcinoma, LINC00346 facilitates tumor aggressiveness by interacting with the transcriptional repressor CTCF, which leads to de‐repression of c‐Myc."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "3"}]}, {"type": "t", "text": " In bladder cancer, knockdown of LINC00346 impairs cell proliferation and migration while inducing apoptosis, suggesting an oncogenic function."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "4"}]}, {"type": "t", "text": " Similarly, in non‐small cell lung cancer, LINC00346 overexpression promotes proliferation and survival via modulation of the JAK–STAT3 signaling pathway."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "6"}]}, {"type": "t", "text": "\n "}]}, {"type": "t", "text": "\n "}, {"type": "p", "children": [{"type": "t", "text": "\n Hepatocellular carcinoma (HCC) studies have revealed that LINC00346 functions within ceRNA networks—sponging microRNAs such as miR‑542‑3p and miR‑199a‑3p—to upregulate oncogenes involved in cell cycle progression (e.g. CDK1/CCNB1) and to activate pathways like Wnt/β‐catenin."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "7"}, {"type": "fg_f", "ref": "11"}]}, {"type": "t", "text": "\n "}]}, {"type": "t", "text": "\n "}, {"type": "p", "children": [{"type": "t", "text": "\n In breast cancer, beyond its association with poor outcome"}, {"type": "fg", "children": [{"type": "fg_f", "ref": "1"}]}, {"type": "t", "text": ", LINC00346 regulates tumor cell glycolysis by sponging miR‑148a/b, leading to upregulation of GLUT1 and increased glucose uptake and lactate production."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "13"}]}, {"type": "t", "text": " In cutaneous squamous cell carcinoma, LINC00346 (also referred to as PRECSIT) is negatively regulated by p53; its overexpression activates STAT3 signaling and matrix metalloproteinase expression to promote invasion and tumor growth."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "5"}]}, {"type": "t", "text": "\n "}]}, {"type": "t", "text": "\n "}, {"type": "p", "children": [{"type": "t", "text": "\n In glioma, multiple reports indicate that LINC00346 acts as an oncogenic ceRNA. It sponges microRNAs such as miR‑128‑3p and miR‑340‑5p to upregulate targets including SZRD1, ROCK1, and, via additional mechanisms, modulate angiogenesis through STAU1-mediated degradation of ZNF655 mRNA."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "14", "end_ref": "16"}]}, {"type": "t", "text": "\n "}]}, {"type": "t", "text": "\n "}, {"type": "p", "children": [{"type": "t", "text": "\n Furthermore, in nasopharyngeal carcinoma, LINC00346 contributes to cisplatin resistance by targeting miR‑342‑5p"}, {"type": "fg", "children": [{"type": "fg_f", "ref": "17"}]}, {"type": "t", "text": ", and in gastric cancer, its amplification and overexpression correlate with advanced stage and poor prognosis via sponging of miR‑34a‑5p to modulate oncogenic proteins such as CD44, NOTCH1 and AXL."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "18"}]}, {"type": "t", "text": "\n "}]}, {"type": "t", "text": "\n "}, {"type": "p", "children": [{"type": "t", "text": "\n Additional studies have implicated LINC00346 in colorectal cancer stem cell maintenance through the miR‑509‑5p/WBSCR22 axis"}, {"type": "fg", "children": [{"type": "fg_f", "ref": "19"}]}, {"type": "t", "text": "and in lung adenocarcinoma where it acts as an oncogenic ceRNA to accelerate tumor progression."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "20"}]}, {"type": "t", "text": " Beyond oncogenesis, LINC00346 has also been linked to pathological processes in non‐malignant conditions. For instance, it participates in a KLF5/LINC00346/miR‑148a‑3p regulatory loop that exacerbates endothelial inflammation and injury in atherosclerosis"}, {"type": "fg", "children": [{"type": "fg_f", "ref": "21"}]}, {"type": "t", "text": ", and its dysregulated expression in schizophrenia suggests a potential role in neuropsychiatric conditions."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "22"}]}, {"type": "t", "text": "\n "}]}, {"type": "t", "text": "\n "}, {"type": "p", "children": [{"type": "t", "text": "\n Collectively, these findings highlight that LINC00346 functions predominantly as an oncogenic lncRNA—modulating cell proliferation, migration, invasion, apoptosis, metabolism and chemoresistance—through diverse molecular mechanisms that mainly involve acting as a competing endogenous RNA to deregulate tumor‐promoting genes. This multifaceted regulatory capacity makes LINC00346 a promising prognostic biomarker and a potential therapeutic target in a wide range of human cancers."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "23"}]}, {"type": "t", "text": "\n "}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "Hairong Liu, Juan Li, Pratirodh Koirala, et al. 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"}, {"type": "b", "children": [{"type": "t", "text": "New Insights into LINC00346 and its Role in Disease."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Front Cell Dev Biol (2022)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.3389/fcell.2021.819785"}], "href": "https://doi.org/10.3389/fcell.2021.819785"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "35096842"}], "href": "https://pubmed.ncbi.nlm.nih.gov/35096842"}]}]}]}
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| Synonyms | C13ORF29, NCRNA00346 |
| Proteins | CM029_HUMAN |
| NCBI Gene ID | 283487 |
| 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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LINC00346 has 2,264 functional associations with biological entities spanning 5 categories (molecular profile, chemical, functional term, phrase or reference, cell line, cell type or tissue, gene, protein or microRNA) extracted from 24 datasets.
Click the + buttons to view associations for LINC00346 from the datasets below.
If available, associations are ranked by standardized value
| Dataset | Summary | |
|---|---|---|
| Allen Brain Atlas Adult Human Brain Tissue Gene Expression Profiles | tissues with high or low expression of LINC00346 gene relative to other tissues from the Allen Brain Atlas Adult Human Brain Tissue Gene Expression Profiles dataset. | |
| Allen Brain Atlas Developing Human Brain Tissue Gene Expression Profiles by Microarray | tissue samples with high or low expression of LINC00346 gene relative to other tissue samples from the Allen Brain Atlas Developing Human Brain Tissue Gene Expression Profiles by Microarray dataset. | |
| Allen Brain Atlas Prenatal Human Brain Tissue Gene Expression Profiles | tissues with high or low expression of LINC00346 gene relative to other tissues from the Allen Brain Atlas Prenatal Human Brain Tissue Gene Expression Profiles dataset. | |
| CCLE Cell Line Gene CNV Profiles | cell lines with high or low copy number of LINC00346 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 LINC00346 gene from the CHEA Transcription Factor Binding Site Profiles dataset. | |
| ChEA Transcription Factor Targets | transcription factors binding the promoter of LINC00346 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 LINC00346 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 LINC00346 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 LINC00346 gene from the ENCODE Transcription Factor Binding Site Profiles dataset. | |
| ENCODE Transcription Factor Targets | transcription factors binding the promoter of LINC00346 gene in ChIP-seq datasets from the ENCODE Transcription Factor Targets dataset. | |
| GEO Signatures of Differentially Expressed Genes for Gene Perturbations | gene perturbations changing expression of LINC00346 gene from the GEO Signatures of Differentially Expressed Genes for Gene Perturbations dataset. | |
| GEO Signatures of Differentially Expressed Genes for Kinase Perturbations | kinase perturbations changing expression of LINC00346 gene from the GEO Signatures of Differentially Expressed Genes for Kinase Perturbations dataset. | |
| GEO Signatures of Differentially Expressed Genes for Small Molecules | small molecule perturbations changing expression of LINC00346 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 LINC00346 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 LINC00346 gene relative to other tissue samples from the GTEx Tissue Sample Gene Expression Profiles dataset. | |
| HPA Tissue Gene Expression Profiles | tissues with high or low expression of LINC00346 gene relative to other tissues from the HPA Tissue Gene Expression Profiles dataset. | |
| HPA Tissue Protein Expression Profiles | tissues with high or low expression of LINC00346 protein relative to other tissues from the HPA Tissue Protein Expression Profiles dataset. | |
| HPA Tissue Sample Gene Expression Profiles | tissue samples with high or low expression of LINC00346 gene relative to other tissue samples from the HPA Tissue Sample Gene Expression Profiles dataset. | |
| Klijn et al., Nat. Biotechnol., 2015 Cell Line Gene CNV Profiles | cell lines with high or low copy number of LINC00346 gene relative to other cell lines from the Klijn et al., Nat. Biotechnol., 2015 Cell Line Gene CNV Profiles dataset. | |
| Klijn et al., Nat. Biotechnol., 2015 Cell Line Gene Expression Profiles | cell lines with high or low expression of LINC00346 gene relative to other cell lines from the Klijn et al., Nat. Biotechnol., 2015 Cell Line Gene Expression Profiles dataset. | |
| LOCATE Predicted Protein Localization Annotations | cellular components predicted to contain LINC00346 protein from the LOCATE Predicted Protein Localization Annotations dataset. | |
| Roadmap Epigenomics Cell and Tissue DNA Methylation Profiles | cell types and tissues with high or low DNA methylation of LINC00346 gene relative to other cell types and tissues from the Roadmap Epigenomics Cell and Tissue DNA Methylation Profiles dataset. | |
| Roadmap Epigenomics Histone Modification Site Profiles | histone modification site profiles with high histone modification abundance at LINC00346 gene from the Roadmap Epigenomics Histone Modification Site Profiles dataset. | |
| TCGA Signatures of Differentially Expressed Genes for Tumors | tissue samples with high or low expression of LINC00346 gene relative to other tissue samples from the TCGA Signatures of Differentially Expressed Genes for Tumors dataset. | |