EGR1 Gene
Introduction
Egr1 Gene is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
<div class="infobox infobox-gene">
<table>
<tr><th colspan="2" style="background:#f0f0f0; text-align:center;">EGR1 Gene</th></tr>
<tr><td><b>Full Name</b></td><td>Early Growth Response 1</td></tr>
<tr><td><b>Chromosome</b></td><td>5q31.2</td></tr>
<tr><td><b>NCBI Gene ID</b></td><td><a href="https://www.ncbi.nlm.nih.gov/gene/1958" target="_blank">1958</a></td></tr>
<tr><td><b>OMIM</b></td><td><a href="https://www.omim.org/entry/129500" target="_blank">129500</a></td></tr>
<tr><td><b>Ensembl ID</b></td><td><a href="https://www.ensembl.org/Homo_sapiens/Gene/Summary?g=ENSG00000120738" target="_blank">ENSG00000120738</a></td></tr>
<tr><td><b>UniProt ID</b></td><td><a href="https://www.uniprot.org/uniprot/P18146" target="_blank">P18146</a></td></tr>
<tr><td><b>Encoded Protein</b></td><td>[EGR1](/proteins/egr1)</td></tr>
<tr><td><b>Associated Diseases</b></td><td>[Alzheimer's disease](/diseases/alzheimers-disease), [Parkinson's disease](/diseases/parkinsons-disease), stroke, cancer</td></tr>
</table>
</div>
Pathway Diagram
...EGR1 Gene
Introduction
Egr1 Gene is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
<div class="infobox infobox-gene">
<table>
<tr><th colspan="2" style="background:#f0f0f0; text-align:center;">EGR1 Gene</th></tr>
<tr><td><b>Full Name</b></td><td>Early Growth Response 1</td></tr>
<tr><td><b>Chromosome</b></td><td>5q31.2</td></tr>
<tr><td><b>NCBI Gene ID</b></td><td><a href="https://www.ncbi.nlm.nih.gov/gene/1958" target="_blank">1958</a></td></tr>
<tr><td><b>OMIM</b></td><td><a href="https://www.omim.org/entry/129500" target="_blank">129500</a></td></tr>
<tr><td><b>Ensembl ID</b></td><td><a href="https://www.ensembl.org/Homo_sapiens/Gene/Summary?g=ENSG00000120738" target="_blank">ENSG00000120738</a></td></tr>
<tr><td><b>UniProt ID</b></td><td><a href="https://www.uniprot.org/uniprot/P18146" target="_blank">P18146</a></td></tr>
<tr><td><b>Encoded Protein</b></td><td>[EGR1](/proteins/egr1)</td></tr>
<tr><td><b>Associated Diseases</b></td><td>[Alzheimer's disease](/diseases/alzheimers-disease), [Parkinson's disease](/diseases/parkinsons-disease), stroke, cancer</td></tr>
</table>
</div>
Pathway Diagram
Mermaid diagram (expand to render)
Overview
The EGR1 gene (Early Growth Response 1) encodes a zinc-finger transcription factor that serves as an immediate-early gene induced by neuronal activity, growth factors, and cellular stress. EGR1 plays critical roles in synaptic plasticity, memory consolidation, and neuronal survival. Dysregulated EGR1 expression has been associated with Alzheimer's disease, Parkinson's disease, and Huntington's disease.
Function
EGR1 is an immediate-early transcription factor that regulates neuronal plasticity, learning, memory, and response to neural activity. It is induced by synaptic activity and regulates expression of genes involved in synaptic strength and neuronal survival.
Expression
Immediate-early gene induced in [neurons](/entities/neurons) by synaptic activity, calcium influx, and growth factors. Expressed throughout the brain, with high levels in [hippocampus](/brain-regions/hippocampus) and [cortex](/brain-regions/cortex).
Disease Associations
EGR1 is dysregulated in Alzheimer's disease and Parkinson's disease. It may have neuroprotective roles by regulating expression of neurotrophic factors and anti-apoptotic proteins. Reduced EGR1 activity may contribute to memory impairment in AD.
Key Publications
[Gene information](https://www.ncbi.nlm.nih.gov/gene/1958) - NCBI Gene Database
[UniProt entry](https://www.uniprot.org/uniprot/P18146) - UniProt Protein KnowledgebaseMolecular Mechanisms
EGR1 (Early Growth Response 1) is an immediate early gene that acts as a zinc-finger transcription factor. Upon neuronal activation, EGR1 is rapidly induced and regulates downstream target genes involved in:
- Synaptic plasticity: Controls expression of AMPA and [NMDA](/entities/nmda-receptor) receptor subunits
- Neuroprotection: Activates anti-apoptotic genes and antioxidant response
- Memory consolidation: Regulates genes involved in [long-term potentiation](/mechanisms/long-term-potentiation)
- Neuroinflammation: Modulates cytokine and chemokine expression
EGR1 interacts with CREB and other transcription factors to coordinate activity-dependent gene expression. It also participates in epigenetic regulation by recruiting histone acetyltransferases to target gene promoters.
Therapeutic Implications
EGR1-based therapeutic strategies include:
EGR1 enhancers: Compounds that promote EGR1 expression for neuroprotection
Gene therapy: AAV-mediated EGR1 delivery for traumatic brain injury
Target validation: EGR1 downstream targets as biomarkers for cognitive decline
Combination approaches: EGR1 modulators with existing AD/PD therapeuticsResearch Directions
Current research areas:
- EGR1 in Alzheimer's disease: [amyloid-beta](/proteins/amyloid-beta) effects on EGR1-mediated transcription
- EGR1 in Parkinson's disease: dopaminergic neuron survival mechanisms
- EGR1 as a biomarker for traumatic brain injury severity
- Epigenetic therapies targeting EGR1 in aging and neurodegeneration
Background
The study of Egr1 Gene has evolved significantly over the past decades. Research in this area has revealed important insights into the underlying mechanisms of neurodegeneration and continues to drive therapeutic development.
Historical context and key discoveries in this field have shaped our current understanding and will continue to guide future research directions.
Brain Atlas Resources
- [Allen Human Brain Atlas - EGR1 Gene Expression](https://human.brain-map.org/microarray/search/show?search_term=egr1)
- [Allen Cell Type Atlas - EGR1 Gene](https://celltypes.brain-map.org/)
- [Allen Mouse Brain Atlas - EGR1 Gene](https://mouse.brain-map.org/)
- [BrainSpan - EGR1 Gene Developmental Expression](https://brainspan.org/)
Molecular Mechanisms
EGR1 (Early Growth Response 1) is an immediate early gene that acts as a zinc-finger transcription factor. Upon neuronal activation, EGR1 is rapidly induced and regulates downstream target genes involved in:
- Synaptic plasticity: Controls expression of AMPA and NMDA receptor subunits
- Neuroprotection: Activates anti-apoptotic genes and antioxidant response
- Memory consolidation: Regulates genes involved in long-term potentiation
- Neuroinflammation: Modulates cytokine and chemokine expression
EGR1 interacts with CREB and other transcription factors to coordinate activity-dependent gene expression. It also participates in epigenetic regulation by recruiting histone acetyltransferases to target gene promoters.
Therapeutic Implications
EGR1-based therapeutic strategies include:
Current- EGR1 in Alzheimer's disease: amyloid-b- EGR1 in Parkinson's disease: dopaminergic neuron survival mechanisms
- EGR1 as a biomarker for traumatic brain injury severity
- Epigenetic therapies targeting EGR1 in aging and neurodegeneration
Brain Atlas Resources
- [Allen Human Brain Atlas - EGR1 Gene Expression](https://human.brain-map.org/microarray/search/show?search_term=egr1)
- [Allen Cell Type Atlas - EGR1 Gene](https://celltypes.brain-map.org/)
- [Allen Mouse Brain Atlas - EGR1 Gene](https://mouse.brain-map.org/)
- [BrainSpan - EGR1 Gene Developmental Expression](https://brainspan.org/)
References
See Also
- [Proteins Index](/proteins)
- [G- [Alzheimer's Disease](/diseases/alzheimers-disease)
- [Parkinson's Disease](/diseases/parkinsons-disease)
- [Huntington's Disease](/diseases/huntingtons-disease)
- [Synaptic Dysfunction Pathway](/mechanisms/synaptic-dysfunction)
External Links
- [NCBI- [UniPr- [Ensembl: EGR1](https://www.ensembl.org/Homo_sapiens/Gene/Summary?g=ENSG00000120738)
Pathway Diagram
The following diagram shows the key molecular relationships involving EGR1 Gene discovered through SciDEX knowledge graph analysis:
Mermaid diagram (expand to render)