| HGNC Family | G protein-coupled receptors |
| Name | olfactory receptor, family 4, subfamily C, member 46 |
| Description | Olfactory receptors interact with odorant molecules in the nose, to initiate a neuronal response that triggers the perception of a smell. The olfactory receptor proteins are members of a large family of G-protein-coupled receptors (GPCR) arising from single coding-exon genes. Olfactory receptors share a 7-transmembrane domain structure with many neurotransmitter and hormone receptors and are responsible for the recognition and G protein-mediated transduction of odorant signals. The olfactory receptor gene family is the largest in the genome. [provided by RefSeq, Jul 2008] |
| Summary |
{"type": "root", "children": [{"type": "p", "children": [{"type": "t", "text": "\nAlthough none of the provided abstracts directly mention OR4C46, a review of these studies reveals a unifying theme: the critical regulation of intercellular barrier integrity by key tight junction proteins—most notably claudin‐5, occludin, and other barrier‐associated components—and their dynamic regulation in health and disease. In diverse pathological states ranging from neurodegeneration and neuroinflammation to acute vascular injury and metabolic dysfunction, disruptions in tight junction organization drive leakage across barriers such as the blood–brain barrier, blood–spinal cord barrier, blood–testis barrier, and vascular endothelium. These studies demonstrate that factors including pathogenic mutant proteins, pro‐inflammatory cytokines, matrix metalloproteinases, and altered intracellular signaling cascades can precipitate degradation or mislocalization of junctional proteins, triggering barrier compromise and subsequent tissue injury and inflammation."}, {"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": "\nAt the molecular level, detailed investigations have elucidated how alterations in signaling pathways—such as those mediated by NF‑κB, AKT/FOXO1, SMAD3, and even circadian regulators like BMAL1—influence the expression, phosphorylation, and cellular localization of barrier-forming proteins. In parallel, extracellular mediators including transforming growth factor β1, tumor necrosis factor α, and matrix metalloproteinases have been shown to drive internalization or direct proteolysis of claudin‐5 and occludin. Such changes impair barrier function and ultimately contribute to edema formation, increased permeability to inflammatory mediators, and disrupted cellular homeostasis in organs ranging from the brain to the heart and kidneys."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "11", "end_ref": "22"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nFurthermore, these investigations extend to advanced models that link barrier dysregulation to inflammatory leukocyte trafficking, neuronal dysfunction, and even cardiac and retinal pathology. Through integrative proteomic, genetic, and in vivo imaging techniques, researchers have highlighted that restoring junctional protein expression can alleviate barrier leakage, providing promising therapeutic avenues. While none of these reports specifically address OR4C46, one may speculate—by analogy with the modulatory roles observed for other membrane proteins—that if OR4C46 were involved in similar cellular contexts, its function might relate to the regulation of barrier integrity and intercellular signaling. Collectively, these studies offer a broad perspective on the molecular determinants of barrier function that could serve as a framework for future inquiry into the roles of less well‐characterized proteins, such as OR4C46, within this complex regulatory network."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "23", "end_ref": "39"}]}, {"type": "t", "text": "\n"}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "Kazumasa Morita, Hiroyuki Sasaki, Kyoko Furuse, et al. 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| Proteins | O4C46_HUMAN |
| NCBI Gene ID | 119749 |
| 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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OR4C46 has 671 functional associations with biological entities spanning 8 categories (molecular profile, organism, functional term, phrase or reference, disease, phenotype or trait, chemical, structural feature, cell line, cell type or tissue, gene, protein or microRNA) extracted from 42 datasets.
Click the + buttons to view associations for OR4C46 from the datasets below.
If available, associations are ranked by standardized value
| Dataset | Summary | |
|---|---|---|
| Allen Brain Atlas Aging Dementia and Traumatic Brain Injury Tissue Sample Gene Expression Profiles | tissue samples with high or low expression of OR4C46 gene relative to other tissue samples from the Allen Brain Atlas Aging Dementia and Traumatic Brain Injury Tissue Sample Gene Expression Profiles dataset. | |
| BioGPS Mouse Cell Type and Tissue Gene Expression Profiles | cell types and tissues with high or low expression of OR4C46 gene relative to other cell types and tissues from the BioGPS Mouse Cell Type and Tissue Gene Expression Profiles dataset. | |
| CCLE Cell Line Gene CNV Profiles | cell lines with high or low copy number of OR4C46 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 OR4C46 gene from the CHEA Transcription Factor Binding Site Profiles dataset. | |
| ChEA Transcription Factor Targets | transcription factors binding the promoter of OR4C46 gene in low- or high-throughput transcription factor functional studies from the CHEA Transcription Factor Targets dataset. | |
| ChEA Transcription Factor Targets 2022 | transcription factors binding the promoter of OR4C46 gene in low- or high-throughput transcription factor functional studies from the CHEA Transcription Factor Targets 2022 dataset. | |
| COMPARTMENTS Curated Protein Localization Evidence Scores | cellular components containing OR4C46 protein from the COMPARTMENTS Curated Protein Localization Evidence Scores dataset. | |
| COMPARTMENTS Text-mining Protein Localization Evidence Scores 2025 | cellular components co-occuring with OR4C46 protein in abstracts of biomedical publications from the COMPARTMENTS Text-mining Protein Localization Evidence Scores 2025 dataset. | |
| COSMIC Cell Line Gene CNV Profiles | cell lines with high or low copy number of OR4C46 gene relative to other cell lines from the COSMIC Cell Line Gene CNV Profiles dataset. | |
| COSMIC Cell Line Gene Mutation Profiles | cell lines with OR4C46 gene mutations from the COSMIC Cell Line Gene Mutation Profiles dataset. | |
| CTD Gene-Disease Associations | diseases associated with OR4C46 gene/protein from the curated CTD Gene-Disease Associations dataset. | |
| DepMap CRISPR Gene Dependency | cell lines with fitness changed by OR4C46 gene knockdown relative to other cell lines from the DepMap CRISPR Gene Dependency dataset. | |
| DISEASES Experimental Gene-Disease Association Evidence Scores 2025 | diseases associated with OR4C46 gene in GWAS datasets from the DISEASES Experimental Gene-Disease Assocation Evidence Scores 2025 dataset. | |
| DISEASES Text-mining Gene-Disease Association Evidence Scores 2025 | diseases co-occuring with OR4C46 gene in abstracts of biomedical publications from the DISEASES Text-mining Gene-Disease Assocation Evidence Scores 2025 dataset. | |
| DisGeNET Gene-Disease Associations | diseases associated with OR4C46 gene in GWAS and other genetic association datasets from the DisGeNET Gene-Disease Associations dataset. | |
| ENCODE Histone Modification Site Profiles | histone modification site profiles with high histone modification abundance at OR4C46 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 OR4C46 gene from the ENCODE Transcription Factor Binding Site Profiles dataset. | |
| ENCODE Transcription Factor Targets | transcription factors binding the promoter of OR4C46 gene in ChIP-seq datasets from the ENCODE Transcription Factor Targets dataset. | |
| GeneSigDB Published Gene Signatures | PubMedIDs of publications reporting gene signatures containing OR4C46 from the GeneSigDB Published Gene Signatures dataset. | |
| GEO Signatures of Differentially Expressed Genes for Gene Perturbations | gene perturbations changing expression of OR4C46 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 OR4C46 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 OR4C46 gene from the GEO Signatures of Differentially Expressed Genes for Small Molecules dataset. | |
| GEO Signatures of Differentially Expressed Genes for Viral Infections | virus perturbations changing expression of OR4C46 gene from the GEO Signatures of Differentially Expressed Genes for Viral Infections dataset. | |
| GO Biological Process Annotations 2015 | biological processes involving OR4C46 gene from the curated GO Biological Process Annotations 2015 dataset. | |
| GO Cellular Component Annotations 2015 | cellular components containing OR4C46 protein from the curated GO Cellular Component Annotations 2015 dataset. | |
| GO Molecular Function Annotations 2015 | molecular functions performed by OR4C46 gene from the curated GO Molecular Function Annotations 2015 dataset. | |
| GO Molecular Function Annotations 2025 | molecular functions performed by OR4C46 gene from the curated GO Molecular Function Annotations 2025 dataset. | |
| GTEx Tissue Gene Expression Profiles | tissues with high or low expression of OR4C46 gene relative to other tissues from the GTEx Tissue Gene Expression Profiles dataset. | |
| GWAS Catalog SNP-Phenotype Associations 2025 | phenotypes associated with OR4C46 gene in GWAS datasets from the GWAS Catalog SNP-Phenotype Associations 2025 dataset. | |
| Heiser et al., PNAS, 2011 Cell Line Gene Expression Profiles | cell lines with high or low expression of OR4C46 gene relative to other cell lines from the Heiser et al., PNAS, 2011 Cell Line Gene Expression Profiles dataset. | |
| InterPro Predicted Protein Domain Annotations | protein domains predicted for OR4C46 protein from the InterPro Predicted Protein Domain Annotations dataset. | |
| JASPAR Predicted Human Transcription Factor Targets 2025 | transcription factors regulating expression of OR4C46 gene predicted using known transcription factor binding site motifs from the JASPAR Predicted Human Transcription Factor Targets dataset. | |
| JASPAR Predicted Mouse Transcription Factor Targets 2025 | transcription factors regulating expression of OR4C46 gene predicted using known transcription factor binding site motifs from the JASPAR Predicted Mouse Transcription Factor Targets 2025 dataset. | |
| JASPAR Predicted Transcription Factor Targets | transcription factors regulating expression of OR4C46 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 OR4C46 gene relative to other cell lines from the Klijn et al., Nat. Biotechnol., 2015 Cell Line Gene CNV Profiles dataset. | |
| LOCATE Predicted Protein Localization Annotations | cellular components predicted to contain OR4C46 protein from the LOCATE Predicted Protein Localization Annotations dataset. | |
| MotifMap Predicted Transcription Factor Targets | transcription factors regulating expression of OR4C46 gene predicted using known transcription factor binding site motifs from the MotifMap Predicted Transcription Factor Targets dataset. | |
| Reactome Pathways 2014 | pathways involving OR4C46 protein from the Reactome Pathways dataset. | |
| Reactome Pathways 2024 | pathways involving OR4C46 protein from the Reactome Pathways 2024 dataset. | |
| Roadmap Epigenomics Histone Modification Site Profiles | histone modification site profiles with high histone modification abundance at OR4C46 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 OR4C46 gene relative to other tissue samples from the TCGA Signatures of Differentially Expressed Genes for Tumors dataset. | |
| TISSUES Text-mining Tissue Protein Expression Evidence Scores 2025 | tissues co-occuring with OR4C46 protein in abstracts of biomedical publications from the TISSUES Text-mining Tissue Protein Expression Evidence Scores 2025 dataset. | |