| Name | chromosome 20 open reading frame 203 |
| Description | The protein encoded by this gene is thought to be a human-specific protein. Currently available evidence suggests that orthologous regions in other organisms contain sequence differences that would not support production of a protein product. Genome-wide association studies have suggested the possibility that a SNP in the 3' UTR, rs17123507, could be associated with nicotine addiction. Expression of this gene may be elevated in some individuals with Alzheimer's disease. [provided by RefSeq, Mar 2017] |
| Summary |
{"type": "root", "children": [{"type": "p", "children": [{"type": "t", "text": "\n C20orf203, also known as FLJ33706, has been characterized as a human‐specific de novo gene that originated from ancestral noncoding DNA through the incorporation of repeat elements and point mutations. In one study focused on brain function and disease, this gene was shown to produce both mRNA and protein that are most highly expressed in the brain, where the protein localizes to neurons. Notably, its expression was found to be elevated in Alzheimer’s disease samples, suggesting that C20orf203 may play a role in the human-specific pathogenesis of Alzheimer’s disease."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "1"}]}, {"type": "t", "text": "\n "}]}, {"type": "t", "text": "\n "}, {"type": "p", "children": [{"type": "t", "text": "\n In another investigation of competing endogenous RNA (ceRNA) networks related to osteonecrosis of the femoral head, C20orf203 was identified among a set of long non-coding RNAs that are highly connected within a gene co-expression network. This association implies that C20orf203 may participate in regulatory circuits that modulate gene expression in disease contexts, though its precise mechanistic role in this network remains to be further elucidated."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "2"}]}, {"type": "t", "text": "\n "}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "Chuan-Yun Li, Yong Zhang, Zhanbo Wang, et al. "}, {"type": "b", "children": [{"type": "t", "text": "A human-specific de novo protein-coding gene associated with human brain functions."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "PLoS Comput Biol (2010)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1371/journal.pcbi.1000734"}], "href": "https://doi.org/10.1371/journal.pcbi.1000734"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "20376170"}], "href": "https://pubmed.ncbi.nlm.nih.gov/20376170"}]}, {"type": "r", "ref": 2, "children": [{"type": "t", "text": "Ning Han, Zengchun Li "}, {"type": "b", "children": [{"type": "t", "text": "Non-coding RNA Identification in Osteonecrosis of the Femoral Head Using Competitive Endogenous RNA Network Analysis."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Orthop Surg (2021)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1111/os.12834"}], "href": "https://doi.org/10.1111/os.12834"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "33749138"}], "href": "https://pubmed.ncbi.nlm.nih.gov/33749138"}]}]}]}
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| Synonyms | C20orf203 |
| Proteins | CT203_HUMAN |
| NCBI Gene ID | 284805 |
| 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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C20ORF203 has 2,197 functional associations with biological entities spanning 8 categories (molecular profile, organism, disease, phenotype or trait, chemical, functional term, phrase or reference, cell line, cell type or tissue, gene, protein or microRNA, sequence feature) extracted from 43 datasets.
Click the + buttons to view associations for C20ORF203 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 C20ORF203 gene relative to other tissues from the Allen Brain Atlas Adult Human Brain Tissue Gene Expression Profiles dataset. | |
| Allen Brain Atlas Aging Dementia and Traumatic Brain Injury Tissue Sample Gene Expression Profiles | tissue samples with high or low expression of C20ORF203 gene relative to other tissue samples from the Allen Brain Atlas Aging Dementia and Traumatic Brain Injury Tissue Sample Gene Expression Profiles dataset. | |
| Allen Brain Atlas Developing Human Brain Tissue Gene Expression Profiles by Microarray | tissue samples with high or low expression of C20ORF203 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 C20ORF203 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 C20ORF203 gene relative to other cell lines from the CCLE Cell Line Gene CNV Profiles dataset. | |
| CCLE Cell Line Gene Expression Profiles | cell lines with high or low expression of C20ORF203 gene relative to other cell lines from the CCLE Cell Line Gene Expression Profiles dataset. | |
| ChEA Transcription Factor Binding Site Profiles | transcription factor binding site profiles with transcription factor binding evidence at the promoter of C20ORF203 gene from the CHEA Transcription Factor Binding Site Profiles dataset. | |
| ChEA Transcription Factor Targets | transcription factors binding the promoter of C20ORF203 gene in low- or high-throughput transcription factor functional studies from the CHEA Transcription Factor Targets dataset. | |
| CM4AI KOLF21J CRISPRi Gene Perturbation Atlas | gene perturbations changing expression of C20ORF203 gene from the CM4AI KOLF21J CRISPRi Gene Perturbation Atlas dataset. | |
| COSMIC Cell Line Gene CNV Profiles | cell lines with high or low copy number of C20ORF203 gene relative to other cell lines from the COSMIC Cell Line Gene CNV Profiles dataset. | |
| DISEASES Experimental Gene-Disease Association Evidence Scores 2025 | diseases associated with C20ORF203 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 C20ORF203 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 C20ORF203 gene in GWAS and other genetic association datasets from the DisGeNET Gene-Disease Associations dataset. | |
| DisGeNET Gene-Phenotype Associations | phenotypes associated with C20ORF203 gene in GWAS and other genetic association datasets from the DisGeNET Gene-Phenoptype Associations dataset. | |
| ENCODE Histone Modification Site Profiles | histone modification site profiles with high histone modification abundance at C20ORF203 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 C20ORF203 gene from the ENCODE Transcription Factor Binding Site Profiles dataset. | |
| ENCODE Transcription Factor Targets | transcription factors binding the promoter of C20ORF203 gene in ChIP-seq datasets from the ENCODE Transcription Factor Targets dataset. | |
| GEO Signatures of Differentially Expressed Genes for Diseases | disease perturbations changing expression of C20ORF203 gene from the GEO Signatures of Differentially Expressed Genes for Diseases dataset. | |
| GEO Signatures of Differentially Expressed Genes for Gene Perturbations | gene perturbations changing expression of C20ORF203 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 C20ORF203 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 C20ORF203 gene from the GEO Signatures of Differentially Expressed Genes for Small Molecules dataset. | |
| GEO Signatures of Differentially Expressed Genes for Transcription Factor Perturbations | transcription factor perturbations changing expression of C20ORF203 gene from the GEO Signatures of Differentially Expressed Genes for Transcription Factor Perturbations dataset. | |
| GEO Signatures of Differentially Expressed Genes for Viral Infections | virus perturbations changing expression of C20ORF203 gene from the GEO Signatures of Differentially Expressed Genes for Viral Infections dataset. | |
| GO Cellular Component Annotations 2015 | cellular components containing C20ORF203 protein from the curated GO Cellular Component Annotations 2015 dataset. | |
| GTEx eQTL 2025 | SNPs regulating expression of C20ORF203 gene from the GTEx eQTL 2025 dataset. | |
| GTEx Tissue Gene Expression Profiles | tissues with high or low expression of C20ORF203 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 C20ORF203 gene relative to other tissue samples from the GTEx Tissue Sample Gene Expression Profiles dataset. | |
| GTEx Tissue-Specific Aging Signatures | tissue samples with high or low expression of C20ORF203 gene relative to other tissue samples from the GTEx Tissue-Specific Aging Signatures dataset. | |
| GWASdb SNP-Phenotype Associations | phenotypes associated with C20ORF203 gene in GWAS datasets from the GWASdb SNP-Phenotype Associations dataset. | |
| JASPAR Predicted Transcription Factor Targets | transcription factors regulating expression of C20ORF203 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 C20ORF203 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 C20ORF203 gene from the KnockTF Gene Expression Profiles with Transcription Factor Perturbations dataset. | |
| MotifMap Predicted Transcription Factor Targets | transcription factors regulating expression of C20ORF203 gene predicted using known transcription factor binding site motifs from the MotifMap Predicted Transcription Factor Targets dataset. | |
| Replogle et al., Cell, 2022 K562 Essential Perturb-seq Gene Perturbation Signatures | gene perturbations changing expression of C20ORF203 gene from the Replogle et al., Cell, 2022 K562 Essential Perturb-seq Gene Perturbation Signatures dataset. | |
| Replogle et al., Cell, 2022 K562 Genome-wide Perturb-seq Gene Perturbation Signatures | gene perturbations changing expression of C20ORF203 gene from the Replogle et al., Cell, 2022 K562 Genome-wide Perturb-seq Gene Perturbation Signatures dataset. | |
| Roadmap Epigenomics Cell and Tissue DNA Methylation Profiles | cell types and tissues with high or low DNA methylation of C20ORF203 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 C20ORF203 gene from the Roadmap Epigenomics Histone Modification Site Profiles dataset. | |
| Rummagene Transcription Factor Associations 2026 | transcription factors regulating expression of C20ORF203 gene from the Rummagene Transcription Factor Associations 2026 dataset. | |
| RummaGEO Drug Perturbation Signatures | drug perturbations changing expression of C20ORF203 gene from the RummaGEO Drug Perturbation Signatures dataset. | |
| RummaGEO Gene Perturbation Signatures | gene perturbations changing expression of C20ORF203 gene from the RummaGEO Gene Perturbation Signatures dataset. | |
| TargetScan Predicted Conserved microRNA Targets | microRNAs regulating expression of C20ORF203 gene predicted using conserved miRNA seed sequences from the TargetScan Predicted Conserved microRNA Targets dataset. | |
| TargetScan Predicted Nonconserved microRNA Targets | microRNAs regulating expression of C20ORF203 gene predicted using nonconserved miRNA seed sequences from the TargetScan Predicted Nonconserved microRNA Targets dataset. | |
| TCGA Signatures of Differentially Expressed Genes for Tumors | tissue samples with high or low expression of C20ORF203 gene relative to other tissue samples from the TCGA Signatures of Differentially Expressed Genes for Tumors dataset. | |