CREB1 Gene
Introduction
Pathway Diagram
Mermaid diagram (expand to render)
Creb1 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.
--- [@silva1998]
title: CREB1 Gene [@saura2011]
description: Gene information for cAMP Response Element Binding Protein 1 and its role in neurodegenerative diseases [@nih]
--- [@barco2022]
<div class="infobox infobox-gene">
<table>
<tr><th colspan="2" style="background:#f0f0f0; text-align:center;">CREB1 Gene</th></tr>
<tr><td><b>Full Name</b></td><td>cAMP Response Element Binding Protein 1</td></tr>
<tr><td><b>Chromosome</b></td><td>2q33.3</td></tr>
<tr><td><b>NCBI Gene ID</b></td><td><a href="https://www.ncbi.nlm.nih.gov/gene/1385" target="_blank">1385</a></td></tr>
<tr><td><b>OMIM</b></td><td><a href="https://www.omim.org/entry/123810" target="_blank">123810</a></td></tr>
<tr><td><b>Ensembl ID</b></td><td><a href="https://www.ensembl.org/Homo_sapiens/Gene/Summary?g=ENSG00000108748" target="_blank">ENSG00000108748</a></td></tr>
<tr><td><b>UniProt ID</b></td><td><a href="https://www.uniprot.org/uniprot/P16220" target="_blank">P16220</a></td></tr>
<tr><td><b>Encoded Protein</b></td><td>[CREB1](/proteins/creb1)</td></tr>
<tr><td><b>Associated Diseases</b></td><td>[Alzheimer's disease](/diseases/alzheimers-disease), Huntington's disease, depression, addiction</td></tr>
</table>
</div>
Overview
The CREB1 gene (cAMP Response Element-Binding Protein 1) encodes a leucine-zipper transcription factor that is a central regulator of neuronal plasticity, learning, memory, and cell survival. CREB1-mediated transcription is essential for [long-term potentiation](/mechanisms/long-term-potentiation) and memory formation. CREB1 dysfunction contributes to neurodegeneration in Alzheimer's disease, [Parkinson's disease](/diseases/parkinsons-disease), and Huntington's disease.
Function
CREB1 is a transcription factor that regulates gene expression in response to cAMP and calcium signaling. It plays essential roles in learning, memory, synaptic plasticity, cell survival, and neurogenesis through phosphorylation-dependent activation.
Expression
Widely expressed in brain, with high levels in [hippocampus](/brain-regions/hippocampus), [cortex](/brain-regions/cortex), and striatum. Activity-dependent expression in [neurons](/entities/neurons).
Disease Associations
CREB-mediated transcription is impaired in Alzheimer's disease and Huntington's disease. CREB dysfunction contributes to memory deficits in AD and transcriptional dysregulation in HD. CREB activators are being explored as therapeutic agents.
Key Publications
[Gene information](https://www.ncbi.nlm.nih.gov/gene/1385) - NCBI Gene Database
[UniProt entry](https://www.uniprot.org/uniprot/P16220) - UniProt Protein KnowledgebaseMolecular Mechanisms
CREB (cAMP Response Element-Binding protein) is a transcription factor that plays a central role in neuronal plasticity, memory formation, and cell survival. CREB is activated by phosphorylation at Ser133 through multiple signaling pathways including cAMP/PKA, Ca²⁺/CaM, and MAPK/ERK pathways.
Key CREB mechanisms include:
- Transcriptional activation: Binds to CRE (TGACGTCA) elements to regulate gene expression
- Synaptic plasticity: Controls AMPA receptor trafficking and [LTP](/mechanisms/long-term-potentiation)/LTD
- Neuroprotection: Activates anti-apoptotic genes (Bcl-2, BDNF)
- Metabolism: Regulates glucose metabolism and mitochondrial biogenesis
Therapeutic Implications
CREB-based therapeutic strategies:
CREB activators: Phosphodiesterase inhibitors (e.g., rolipram) to enhance cAMP
BDNF mimetics: Compounds that activate CREB-BDNF signaling
Gene therapy: AAV-CREB for memory enhancement in AD
Cognitive enhancers: CREB-modulating drugs for age-related cognitive declineResearch Directions
Current research focuses on:
- CREB dysfunction in Alzheimer's disease: [amyloid-beta](/proteins/amyloid-beta) impairs CREB signaling
- CREB in Parkinson's disease: dopaminergic neuron survival mechanisms
- CREB and memory consolidation: epigenetic modifications affecting CREB
- Targeting CREB for therapeutic intervention in neurodegeneration
Background
The study of Creb1 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 - CREB1 Gene Expression](https://human.brain-map.org/microarray/search/show?search_term=creb1)
- [Allen Cell Type Atlas - CREB1 Gene](https://celltypes.brain-map.org/)
- [Allen Mouse Brain Atlas - CREB1 Gene](https://mouse.brain-map.org/)
- [BrainSpan - CREB1 Gene Developmental Expression](https://brainspan.org/)
Molecular Mechanisms
CREB (cAMP Response Element-Binding protein) is a transcription factor that plays a central role in neuronal plasticity, memory formation, and cell survival. CREB is activated by phosphorylation at Ser133 through multiple signaling pathways including cAMP/PKA, Ca²⁺/CaM, and MAPK/ERK pathways.
Key CREB mechanisms include:
- Transcriptional activation: Binds to CRE (TGACGTCA) elements to regulate gene expression
- Synaptic plasticity: Controls AMPA receptor trafficking and LTP/LTD
- Neuroprotection: Activates anti-apoptotic genes (Bcl-2, BDNF)
- Metabolism: Regulates glucose metabolism and mitochondrial biogenesis
Therapeutic Implications
CREB-based therapeutic strategies:
Current research foc- CREB d- CREB in Parkinson's disease: dopaminergic neuron survival mechanisms
- CREB and memory consolidation: epigenetic modifications affecting CREB
- Targeting CREB for therapeutic intervention in neurodegeneration
Brain Atlas Resources
- [Allen Human Brain Atlas - CREB1 Gene Expression](https://human.brain-map.org/microarray/search/show?search_term=creb1)
- [Allen Cell Type Atlas - CREB1 Gene](https://celltypes.brain-map.org/)
- [Allen Mouse Brain Atlas - CREB1 Gene](https://mouse.brain-map.org/)
- [BrainSpan - CREB1 Gene Developmental Expression](https://brainspan.org/)
References
[@barco2022]: Barco A, et al. (2022). "CREB activation in models of Alzheimer's dis## See Also
- [Proteins Index](/proteins)
- [Genes- Parkinson's Disease
- [Huntington's Disease](/diseases/huntingtons-disease)
- [Synaptic Dysfunction Pathway](/mechanisms/synaptic-dysfunction-pathway)
External Links
- [NCBI Gene: CREB1](https:- [UniProt: CREB1](https://www.uniprot.org/uniprot/P16220)
- [Ensembl: CREB1](https://www.ensembl.org/Homo_sapiens/Gene/Summary?g=ENSG00000108748)
From the [SciDEX Exchange](/exchange) — scored by multi-agent debate
- [Epigenetic Memory Reprogramming for Alzheimer's Disease](/hypothesis/h-29ef94d5) — <span style="color:#ffd54f;font-weight:600">0.55</span> · Target: BDNF, CREB1, synaptic plasticity genes
Pathway Diagram
The following diagram shows the key molecular relationships involving CREB1 Gene discovered through SciDEX knowledge graph analysis:
Mermaid diagram (expand to render)