| Name | proline rich 20E |
| Description | This gene is one of five identical loci in a cluster on chromosome 13q21.1. The predicted protein is proline-rich and contains several dopamine D4 receptor signatures and PRINTS domains. [provided by RefSeq, Oct 2008] |
| Summary |
{"type": "root", "children": [{"type": "p", "children": [{"type": "t", "text": "\nThe pattern recognition receptor PRR20E appears to function as an essential frontline sensor in the innate immune system, detecting viral double‐stranded RNA and other damage‐associated molecular patterns. Activation of PRR20E initiates adaptor‐mediated signaling—via molecules such as TRIF and MyD88—that triggers downstream cascades leading to IRF3 activation, robust type I interferon production, and the induction of proinflammatory cytokines. In this way, PRR20E contributes to the rapid mobilization of antiviral defenses across a range of cell types, including dendritic cells, macrophages, and even nonimmune cells."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "1", "end_ref": "7"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nIn addition to initiating antiviral gene programs, PRR20E signaling appears to be intricately linked to the regulation of cell fate decisions. It can engage pathways that modulate programmed cell death—for example, by participating in caspase‐8–dependent processing of pro–IL-1β and in RIP3–mediated programmed necrosis—thereby balancing inflammatory responses and preventing excessive tissue damage. These functions also extend to the orchestration of cross‐priming in dendritic cells and influence the inflammatory microenvironment in diverse in vivo contexts such as viral encephalitis, myocarditis, and even tumor metastasis."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "8", "end_ref": "20"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nBeyond its core antiviral and cell‐death–regulating roles, PRR20E also influences tissue‐specific immune responses. Evidence from various studies underscores its involvement in modulating inflammatory circuits in contexts as diverse as adaptive immune cell activation, autoimmune tissue injury, vascular homeostasis, neuronal development, and even sensory functions related to pain and pruritus. In these settings, PRR20E signaling not only affects gene expression programs that determine cytokine and chemokine production but also fine‑tunes the cross‐talk between innate and adaptive immunity, which has implications for conditions ranging from viral infections and chronic inflammatory diseases to cancer and tissue regeneration."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "21", "end_ref": "35"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nCollectively, the evidence suggests that PRR20E functions as a multifaceted regulator in innate immunity. By integrating signals from exogenous viral products and endogenous danger molecules, it coordinates early interferon responses, controls inflammatory cytokine production, modulates cell survival and death pathways, and ultimately shapes both local and systemic immune responses. These diverse functions highlight PRR20E as a pivotal element in host defense and an attractive target for therapeutic modulation in infectious, inflammatory, and regenerative disorders.\n"}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "Masahiro Yamamoto, Shintaro Sato, Hiroaki Hemmi, et al. 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| Synonyms | PRR20D |
| Proteins | PR20E_HUMAN |
| NCBI Gene ID | 729250 |
| 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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PRR20E has 906 functional associations with biological entities spanning 6 categories (molecular profile, functional term, phrase or reference, disease, phenotype or trait, chemical, cell line, cell type or tissue, gene, protein or microRNA) extracted from 25 datasets.
Click the + buttons to view associations for PRR20E 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 PRR20E gene relative to other tissue samples from the Allen Brain Atlas Aging Dementia and Traumatic Brain Injury Tissue Sample Gene Expression Profiles dataset. | |
| CCLE Cell Line Gene CNV Profiles | cell lines with high or low copy number of PRR20E 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 PRR20E gene from the CHEA Transcription Factor Binding Site Profiles dataset. | |
| ChEA Transcription Factor Targets | transcription factors binding the promoter of PRR20E gene in low- or high-throughput transcription factor functional studies from the CHEA Transcription Factor Targets dataset. | |
| COMPARTMENTS Text-mining Protein Localization Evidence Scores | cellular components co-occuring with PRR20E protein in abstracts of biomedical publications from the COMPARTMENTS Text-mining Protein Localization Evidence Scores dataset. | |
| COMPARTMENTS Text-mining Protein Localization Evidence Scores 2025 | cellular components co-occuring with PRR20E 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 PRR20E gene relative to other cell lines from the COSMIC Cell Line Gene CNV Profiles dataset. | |
| DISEASES Text-mining Gene-Disease Association Evidence Scores | diseases co-occuring with PRR20E gene in abstracts of biomedical publications from the DISEASES Text-mining Gene-Disease Assocation Evidence Scores dataset. | |
| ENCODE Histone Modification Site Profiles | histone modification site profiles with high histone modification abundance at PRR20E 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 PRR20E gene from the ENCODE Transcription Factor Binding Site Profiles dataset. | |
| ENCODE Transcription Factor Targets | transcription factors binding the promoter of PRR20E gene in ChIP-seq datasets from the ENCODE Transcription Factor Targets dataset. | |
| GEO Signatures of Differentially Expressed Genes for Small Molecules | small molecule perturbations changing expression of PRR20E gene from the GEO Signatures of Differentially Expressed Genes for Small Molecules dataset. | |
| GWAS Catalog SNP-Phenotype Associations 2025 | phenotypes associated with PRR20E gene in GWAS datasets from the GWAS Catalog SNP-Phenotype Associations 2025 dataset. | |
| JASPAR Predicted Human Transcription Factor Targets 2025 | transcription factors regulating expression of PRR20E gene predicted using known transcription factor binding site motifs from the JASPAR Predicted Human Transcription Factor Targets dataset. | |
| JASPAR Predicted Transcription Factor Targets | transcription factors regulating expression of PRR20E 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 PRR20E gene relative to other cell lines from the Klijn et al., Nat. Biotechnol., 2015 Cell Line Gene CNV Profiles dataset. | |
| NIBR DRUG-seq U2OS MoA Box Gene Expression Profiles | drug perturbations changing expression of PRR20E gene from the NIBR DRUG-seq U2OS MoA Box dataset. | |
| Pathway Commons Protein-Protein Interactions | interacting proteins for PRR20E from the Pathway Commons Protein-Protein Interactions dataset. | |
| Rummagene Transcription Factor Associations 2026 | transcription factors regulating expression of PRR20E gene from the Rummagene Transcription Factor Associations 2026 dataset. | |
| RummaGEO Drug Perturbation Signatures | drug perturbations changing expression of PRR20E gene from the RummaGEO Drug Perturbation Signatures dataset. | |
| RummaGEO Gene Perturbation Signatures | gene perturbations changing expression of PRR20E gene from the RummaGEO Gene Perturbation Signatures dataset. | |
| TargetScan Predicted Nonconserved microRNA Targets | microRNAs regulating expression of PRR20E gene predicted using nonconserved miRNA seed sequences from the TargetScan Predicted Nonconserved microRNA Targets dataset. | |
| TISSUES Experimental Tissue Protein Expression Evidence Scores 2025 | tissues with high expression of PRR20E protein in proteomics datasets from the TISSUES Experimental Tissue Protein Expression Evidence Scores 2025 dataset. | |
| TISSUES Text-mining Tissue Protein Expression Evidence Scores | tissues co-occuring with PRR20E protein in abstracts of biomedical publications from the TISSUES Text-mining Tissue Protein Expression Evidence Scores dataset. | |
| TISSUES Text-mining Tissue Protein Expression Evidence Scores 2025 | tissues co-occuring with PRR20E protein in abstracts of biomedical publications from the TISSUES Text-mining Tissue Protein Expression Evidence Scores 2025 dataset. | |