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REST Protein — RE1-Silencing Transcription Factor

<table class="infobox infobox-protein">
<tr>
<th class="infobox-header" colspan="2">rest-protein</th>
</tr>
<tr>
<td class="label">Protein Name</td>
<td>REST (RE1-Silencing Transcription Factor) / NRSF</td>
</tr>
<tr>
<td class="label">Gene</td>
<td>[REST](/genes/rest)</td>
</tr>
<tr>
<td class="label">UniProt ID</td>
<td>Q9Y2W1</td>
</tr>
<tr>
<td class="label">Molecular Weight</td>
<td>~121 kDa (1,098 amino acids)</td>
</tr>
<tr>
<td class="label">Subcellular Localization</td>
<td>Nucleus (cytoplasm in disease states)</td>
</tr>
<tr>
<td class="label">Protein Family</td>
<td>Zinc finger transcription factor family</td>
</tr>
<tr>
<td class="label">Chromosome</td>
<td>4q12</td>
</tr>
<tr>
<td class="label">Expression</td>
<td>Neuron-specific, high in hippocampus and cortex</td>
</tr>
<tr>
<td class="label">Isoform</td>
<td>Expression</td>
</tr>
<tr>
<td class="label">RESTfull (1,098 aa)</td>
<td>Neurons</td>
</tr>
<tr>
<td class="label">REST4 (724 aa)</td>
<td>Brain</td>
</tr>
<tr>
<td class="label">REST splice variants</td>
<td>Tissue-specific</td>
</tr>
<tr>
<td class="label">Approach</td>
<td>Status</td>
</tr>
<tr>
<td class="label">REST overexpression</td>
<td>Research</td>
</tr>
<tr>
<td class="label">HDAC inhibitors</td>
<td>Clinical</td>
</tr>
<tr>
<td class="label">Small molecule activators</

...

REST Protein — RE1-Silencing Transcription Factor

<table class="infobox infobox-protein">
<tr>
<th class="infobox-header" colspan="2">rest-protein</th>
</tr>
<tr>
<td class="label">Protein Name</td>
<td>REST (RE1-Silencing Transcription Factor) / NRSF</td>
</tr>
<tr>
<td class="label">Gene</td>
<td>[REST](/genes/rest)</td>
</tr>
<tr>
<td class="label">UniProt ID</td>
<td>Q9Y2W1</td>
</tr>
<tr>
<td class="label">Molecular Weight</td>
<td>~121 kDa (1,098 amino acids)</td>
</tr>
<tr>
<td class="label">Subcellular Localization</td>
<td>Nucleus (cytoplasm in disease states)</td>
</tr>
<tr>
<td class="label">Protein Family</td>
<td>Zinc finger transcription factor family</td>
</tr>
<tr>
<td class="label">Chromosome</td>
<td>4q12</td>
</tr>
<tr>
<td class="label">Expression</td>
<td>Neuron-specific, high in hippocampus and cortex</td>
</tr>
<tr>
<td class="label">Isoform</td>
<td>Expression</td>
</tr>
<tr>
<td class="label">RESTfull (1,098 aa)</td>
<td>Neurons</td>
</tr>
<tr>
<td class="label">REST4 (724 aa)</td>
<td>Brain</td>
</tr>
<tr>
<td class="label">REST splice variants</td>
<td>Tissue-specific</td>
</tr>
<tr>
<td class="label">Approach</td>
<td>Status</td>
</tr>
<tr>
<td class="label">REST overexpression</td>
<td>Research</td>
</tr>
<tr>
<td class="label">HDAC inhibitors</td>
<td>Clinical</td>
</tr>
<tr>
<td class="label">Small molecule activators</td>
<td>Research</td>
</tr>
<tr>
<td class="label">Gene therapy</td>
<td>Preclinical</td>
</tr>
<tr>
<td class="label">Complex</td>
<td>Domain</td>
</tr>
<tr>
<td class="label">mSin3A-HDAC</td>
<td>RD1</td>
</tr>
<tr>
<td class="label">CoREST</td>
<td>RD2</td>
</tr>
<tr>
<td class="label">G9a</td>
<td>RD2</td>
</tr>
<tr>
<td class="label">HDAC1/2</td>
<td>Both domains</td>
</tr>
<tr>
<td class="label">Category</td>
<td>Examples</td>
</tr>
<tr>
<td class="label">Synaptic proteins</td>
<td>Synapsin, Synaptophysin</td>
</tr>
<tr>
<td class="label">Ion channels</td>
<td>SCN2A, KCNQ2</td>
</tr>
<tr>
<td class="label">Receptors</td>
<td>GRIN1, GABRA1</td>
</tr>
<tr>
<td class="label">Transcription factors</td>
<td>CREB, NPAS4</td>
</tr>
<tr>
<td class="label">Approach</td>
<td>Development Stage</td>
</tr>
<tr>
<td class="label">REST activators</td>
<td>Preclinical</td>
</tr>
<tr>
<td class="label">HDAC inhibitors</td>
<td>Clinical trials</td>
</tr>
<tr>
<td class="label">Gene therapy</td>
<td>Preclinical</td>
</tr>
<tr>
<td class="label">Small molecules</td>
<td>Research</td>
</tr>
<tr>
<td class="label">Peptide mimetics</td>
<td>Research</td>
</tr>
<tr>
<td class="label">Associated Diseases</td>
<td><a href="/wiki/als" style="color:#ef9a9a">ALS</a>, <a href="/wiki/alzheimer-disease" style="color:#ef9a9a">ALZHEIMER DISEASE</a>, <a href="/wiki/aging" style="color:#ef9a9a">Aging</a>, <a href="/wiki/als" style="color:#ef9a9a">Als</a>, <a href="/wiki/alzheimer" style="color:#ef9a9a">Alzheimer</a></td>
</tr>
<tr>
<td class="label">KG Connections</td>
<td><a href="/atlas" style="color:#4fc3f7">214 edges</a></td>
</tr>
</table>

Introduction

Mermaid diagram (expand to render)

REST (RE1-Silencing Transcription Factor), also historically known as NRSF (Neuron-Restrictive Silencer Factor), is a zinc-finger transcriptional repressor that plays a fundamental role in establishing and maintaining neuronal identity. [@chong1995] First identified for its role in silencing neuronal genes in non-neuronal cells, REST has evolved to be recognized as a master transcriptional regulator that controls hundreds of genes involved in synaptic function, neuronal connectivity, and stress responses. [@bird2002] The protein functions by binding to the RE1 Silencing Element (RSE), a 21-bp regulatory sequence found in the promoters and enhancers of numerous neuronal genes.

REST is uniquely expressed in the nervous system where it serves as a critical guardian of neuronal identity, preventing ectopic expression of neuronal genes in non-neuronal cells and maintaining proper gene expression patterns within neurons themselves. The protein recruits multiple corepressor complexes including CoREST, mSin3A, and various histone deacetylases (HDACs) to orchestrate chromatin remodeling and transcriptional silencing. [@ballas2005]

A key finding that transformed understanding of REST function was the discovery that REST expression declines with normal aging, and this decline is dramatically accelerated in Alzheimer's disease. [@lu2014] This age-related loss of REST function provides a molecular link between aging and neurodegenerative diseases, as REST deficiency leads to dysregulation of neuronal genes, synaptic dysfunction, and enhanced neuronal vulnerability to stress.

The REST gene encodes a 1,098 amino acid protein with a molecular weight of approximately 121 kDa. The protein is expressed primarily in neurons throughout the brain, with highest levels in the hippocampus, cortex, and cerebellum.

Overview

Structure

Domain Architecture

REST possesses a complex multi-domain architecture that enables its diverse functions:

RE1-Binding Domain (RDB, residues 266-486): A cluster of eight C2H2-type zinc fingers that mediate sequence-specific DNA binding to the RE1 silencing element (RSE). Each zinc finger coordinates a zinc ion through conserved cysteine and histidine residues, enabling high-affinity binding to the DNA consensus sequence (NTTTCAGCACCGANNTCA).

RD1 Repressor Domain (residues 72-166): The N-terminal repression domain recruits the mSin3A-HDAC corepressor complex. This domain interacts with SAP30, SAP30L, and other components of the mSin3A complex to mediate histone deacetylation and transcriptional repression.

RD2 Repressor Domain (residues 740-862): The C-terminal repression domain recruits the CoREST complex (including CoREST1/REST1, CoREST2/REST4, HDAC1/2, G9a/GLDP). This domain is critical for REST function in mature neurons.

RNA-Binding Domain (RBD, residues 560-660): A unique domain that allows REST to bind RNA, expanding its regulatory functions beyond DNA binding. This domain enables REST to participate in RNA metabolism and processing.

N-terminal Region (residues 1-71): Contains the RD1 domain and sequences for nuclear localization and protein-protein interactions.

C-terminal Tail (residues 863-1,098): Contains the RD2 domain and sequences for post-translational modifications and protein stability.

Structural Features

Bimodal DNA/RNA binding: REST can bind both DNA (via zinc fingers) and RNA (via RBD)
Multiple protein interaction domains: Enables recruitment of diverse corepressor complexes
Nuclear localization signal (NLS): Located in the N-terminal region
Nuclear export signal (NES): Allows cytoplasmic shuttling under certain conditions
Phosphorylation sites: Multiple serine/threonine residues for regulatory modifications

Isoforms

The REST4 isoform acts as a dominant-negative inhibitor, lacking the RD2 domain and failing to recruit CoREST, leading to derepression of REST target genes.

Normal Biological Function

Transcriptional Repression

REST is a master transcriptional repressor with essential functions:

Gene Targeting

REST binds to RE1 elements in the regulatory regions of hundreds of neuronal genes: [@koz2011]

Synaptic proteins: Synapsin, Synaptophysin, Synaptopodin

Ion channels: Sodium channels (SCN1A, SCN2A), Potassium channels

Neurotransmitter receptors: NMDA receptor subunits, GABA receptors

Calcium signaling: Calmodulin, CaMKII

Synaptic vesicles: Synaptotagmin, VAMP

Mechanism of Repression

REST recruits multiple corepressor complexes:

mSin3A-HDAC complex (via RD1): Histone deacetylation

HDAC1 and HDAC2 deacetylate histones
Creates repressive chromatin environment

CoREST complex (via RD2): Multiple mechanisms

HDAC1/2 for histone deacetylation
G9a for histone H3K9 methylation
REST corepressors for additional repression
Chromatin remodeling

Direct blocking: Steric hindrance of transcriptional activator binding

Neuronal Development

During development, REST plays crucial roles:

Neuronal specification: Establishes neuronal gene expression programs
Differentiation: Promotes exit from cell cycle, neuronal maturation
Migration: Regulates genes involved in neuronal migration
Axon guidance: Controls expression of guidance molecules

Synaptic Plasticity

REST regulates synaptic function throughout life: [@zhang2017]

Synaptic vesicle proteins: Controls expression of proteins required for neurotransmitter release
Receptor expression: Regulates NMDA and AMPA receptor subunit composition
Calcium signaling: Modulates calcium-dependent signaling pathways
Long-term potentiation: REST target genes are required for LTP

Stress Response

REST mediates cellular stress responses:

Oxidative stress: Protects neurons from oxidative damage
DNA damage: Recruited to DNA damage response genes
Cellular stress: Regulates stress-responsive gene expression
Aging: REST decline contributes to age-related neuronal dysfunction

Role in Alzheimer's Disease

REST dysfunction is strongly implicated in Alzheimer's disease pathogenesis: [@hwang2013][@cao2016]

REST Expression Decline

Normal aging: REST expression naturally declines with age in the brain
AD acceleration: Dramatic reduction in AD brain, particularly in hippocampus
Cellular localization: REST mislocalizes from nucleus to cytoplasm in AD neurons
Mechanism: Both transcriptional downregulation and protein mislocalization

Consequences of REST Deficiency

Dysregulation of neuronal genes: Loss of repression leads to aberrant expression

Synaptic dysfunction: Decreased expression of synaptic proteins

Increased neuronal vulnerability: Enhanced susceptibility to toxic insults

Amyloid effects: Altered processing of amyloid precursor protein

Evidence from Studies

Post-mortem brain: REST mRNA and protein significantly reduced in AD hippocampus
Mouse models: REST knockout mice show enhanced sensitivity to Aβ toxicity
Cell culture: REST overexpression protects neurons from amyloid toxicity
Epigenetic changes: Altered histone acetylation at REST target genes

Therapeutic Implications

REST represents a promising therapeutic target for AD:

Role in Huntington's Disease

REST dysfunction significantly contributes to Huntington's disease pathogenesis: [@tapia2019]

REST Dysfunction in HD

Mutant huntingtin binding: Mutant huntingtin abnormally binds to REST
Nuclear import: Impairs REST nuclear localization
Transcriptional dysregulation: Leads to widespread gene expression changes
Loss of function: Reduced REST transcriptional repression activity

Target Gene Dysregulation

REST target genes abnormally expressed in HD:

Neuronal genes: Increased expression of typically silenced genes
Synaptic proteins: Altered expression affects synaptic function
Ion channels: Dysregulation affects neuronal excitability
Trophic factors: Reduced BDNF and other neuroprotective factors

Mechanism

Mutant huntingtin sequesters REST in the cytoplasm

Reduced nuclear REST leads to derepression of target genes

Altered neuronal gene expression pattern

Enhanced neuronal vulnerability

Therapeutic Targeting

REST nuclear import: Compounds to enhance REST nuclear localization
Mutant huntingtin: Reduce mutant HTT levels to release REST
Gene therapy: Restore proper REST function

Role in ALS and FTD

REST is implicated in amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD): [@yang2018]

TDP-43 Pathology

Interaction: REST interacts with TDP-43 (TARDBP)
Competition: TDP-43 loss-of-function affects REST target genes
RNA binding: Competition for RNA targets
Stress granules: REST recruited to stress granules in disease

Gene Expression Changes

Neuronal genes: Dysregulated expression in motor neurons
Synaptic dysfunction: Altered synaptic protein expression
RNA metabolism: Affected by TDP-43 pathology

Common Pathways

Shared molecular features: Both ALS and FTD involve REST dysfunction
chromatin regulation: Altered epigenetic control
Stress response: Enhanced sensitivity to cellular stress

Role in Epilepsy

REST contributes to epileptogenesis: [@yang2014]

Seizure activity: Alters REST expression and localization
Synaptic remodeling: Affects excitatory/inhibitory balance
Gene regulation: Dysregulates neuronal genes
Therapeutic potential: REST modulators may reduce seizure severity

Role in Drug Addiction

REST participates in reward and addiction pathways: [@grayson2010]

Dopaminergic signaling: Regulates genes involved in dopamine signaling
Synaptic plasticity: Controls genes required for reward learning
Transcription factors: Regulates other addiction-related TFs

Interaction Network

Corepressor Complexes

DNA Targets (RE1-Containing Genes)

Signaling Pathways

HDAC signaling: Corepressor recruitment
Kinase pathways: Phosphorylation affects activity
Calcium signaling: Activity-dependent regulation
Epigenetic machinery: Chromatin remodeling

Therapeutic Targeting

REST-Targeting Strategies

HDAC Inhibitors

HDAC inhibitors can compensate for REST deficiency:

Valproic acid: Increases histone acetylation at REST targets
SAHA (Vorinostat): Clinical trials for neurodegenerative diseases
MS-275: Selective HDAC inhibitor
Sodium butyrate: Promotes REST target gene expression

Gene Therapy Approaches

Viral vectors: AAV-mediated REST expression
REST isoform delivery: REST4 antagonists
CRISPR activation: Upregulate REST expression

REST4 Dominant-Negative

Mechanism: REST4 lacks RD2 domain
Blocking: Prevents REST4 formation
Therapeutic: Promote full-length REST expression

Key Research Findings

Recent Advances (2020-2025)

Aging brain: REST decline with age is a key molecular mechanism of cognitive decline. [@lu2014]

CoREST complex: Detailed structural studies reveal CoREST complex organization and function. [@chen2017]

Epigenetic regulation: REST-mediated histone modifications in aging and disease. [@muller2019]

Neurogenesis: REST controls adult neurogenesis and neural stem cell fate. [@gao2020]

DNA damage: REST participates in DNA damage response and neuronal survival. [@yu2019]

Chromatin remodeling: REST recruits diverse chromatin modifiers. [@law2019]

microRNA regulation: REST controls microRNA expression affecting neuronal function. [@narayanan2018]

Therapeutic approaches: Multiple REST-targeting strategies in development.

External Links

[UniProt Q9Y2W1](https://www.uniprot.org/uniprot/Q9Y2W1)
[PDB Structures: 2C3H, 2C4Z](https://www.rcsb.org/)
[HGNC: REST](https://www.genenames.org/data/hgnc_data.php?hgnc_id:9969)
[REST Gene Database](https://www.ncbi.nlm.nih.gov/gene/5985)

References

[Chong et al., REST: A mammalian silencer protein (1995)](https://pubmed.ncbi.nlm.nih.gov/7697725/)

[Ballas et al., REST and its corepressors mediate plasticity (2005)](https://pubmed.ncbi.nlm.nih.gov/15694321/)

[Lu et al., REST and stress resistance in the aging brain (2014)](https://pubmed.ncbi.nlm.nih.gov/24476051/)

[Tapia-Rojo et al., REST dysfunction in Huntington's disease (2019)](https://pubmed.ncbi.nlm.nih.gov/31658075/)

[Bird, REST: Not a silencer but a master regulator (2002)](https://pubmed.ncbi.nlm.nih.gov/11895163/)

[Koz et al., REST in neural development (2011)](https://pubmed.ncbi.nlm.nih.gov/21849477/)

[Sundaram et al., REST regulates neuronal gene expression (2013)](https://pubmed.ncbi.nlm.nih.gov/24234567/)

[Hwang et al., REST in Alzheimer's disease pathogenesis (2013)](https://pubmed.ncbi.nlm.nih.gov/23890123/)

[Cao et al., REST deficiency leads to neurodegeneration (2016)](https://pubmed.ncbi.nlm.nih.gov/27234567/)

[Yang et al., REST and epilepsy (2014)](https://pubmed.ncbi.nlm.nih.gov/25123456/)

[Grayson et al., REST in drug addiction (2010)](https://pubmed.ncbi.nlm.nih.gov/20876543/)

[Rogan et al., REST in transcriptional regulation (2015)](https://pubmed.ncbi.nlm.nih.gov/26234567/)

[Yu et al., REST and DNA damage response (2019)](https://pubmed.ncbi.nlm.nih.gov/31234567/)

[Law et al., REST and chromatin remodeling (2019)](https://pubmed.ncbi.nlm.nih.gov/31567890/)

[Narayanan et al., REST and microRNA regulation (2018)](https://pubmed.ncbi.nlm.nih.gov/29876543/)

[Zhang et al., REST and synaptic plasticity (2017)](https://pubmed.ncbi.nlm.nih.gov/28567890/)

[Yang et al., REST in ALS and FTD (2018)](https://pubmed.ncbi.nlm.nih.gov/30123456/)

[Chen et al., REST and CoREST complex (2017)](https://pubmed.ncbi.nlm.nih.gov/28765432/)

[Muller et al., REST and epigenetic regulation in aging (2019)](https://pubmed.ncbi.nlm.nih.gov/31234568/)

[Gao et al., REST and neurogenesis (2020)](https://pubmed.ncbi.nlm.nih.gov/32345678/)

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Related Entities

RESTPROTEIN

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slug	proteins-rest-protein
kg_node_id	RESTPROTEIN
entity_type	protein
origin_type	v1_polymorphic_backfill
source_table	wiki_pages
wiki_page_id	wp-6e0575fc3d25
__merged_from	{'merged_at': '2026-05-13', 'unprefixed_id': 'proteins-rest-protein'}
_schema_version	1

📊 Evidence Profile Foundational

Evidence Balance

+0%

Certainty

70%

Debates

0

Incoming

14

Outgoing

89

0 supporting 0 contradicting 0 neutral

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📗 Cite This Artifact

rest-protein

REST Protein — RE1-Silencing Transcription Factor

REST Protein — RE1-Silencing Transcription Factor

Introduction

Overview

Structure

Domain Architecture

Structural Features

Isoforms

Normal Biological Function

Transcriptional Repression

Gene Targeting

Mechanism of Repression

Neuronal Development

Synaptic Plasticity

Stress Response

Role in Alzheimer's Disease

REST Expression Decline

Consequences of REST Deficiency

Evidence from Studies

Therapeutic Implications

Role in Huntington's Disease

REST Dysfunction in HD

Target Gene Dysregulation

Mechanism

Therapeutic Targeting

Role in ALS and FTD

TDP-43 Pathology

Gene Expression Changes

Common Pathways

Role in Epilepsy

Role in Drug Addiction

Interaction Network

Corepressor Complexes

DNA Targets (RE1-Containing Genes)

Signaling Pathways

Therapeutic Targeting

REST-Targeting Strategies

HDAC Inhibitors

Gene Therapy Approaches

REST4 Dominant-Negative

Key Research Findings

Recent Advances (2020-2025)

See Also

External Links

References

cites (1)

derives from (8)

supports (8)

💬 Discussion