RAGE (Receptor for Advanced Glycation End Products)

RAGE (Receptor for Advanced Glycation End Products)

Overview

[Rage](/genes/rage) (Receptor For Advanced Glycation End Products) plays an important role in the study of neurodegenerative diseases. This page provides comprehensive information about this topic, including its mechanisms, significance in disease processes, and therapeutic implications.

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<div class="infobox infox-protein">
<div class="infobox-header">RAGE (Receptor for Advanced Glycation End Products)</div>
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RAGE (Receptor for Advanced Glycation End Products)

Overview

[Rage](/genes/rage) (Receptor For Advanced Glycation End Products) plays an important role in the study of neurodegenerative diseases. This page provides comprehensive information about this topic, including its mechanisms, significance in disease processes, and therapeutic implications.

{{#vardefine:wikiId|}}
{{#vardefine:pageId|2199}}

<div class="infobox infox-protein">
<div class="infobox-header">RAGE (Receptor for Advanced Glycation End Products)</div>
<div class="infobox-image">

</div>
<table class="infobox-table">
<tr><th>Protein Name</th><td>RAGE</td></tr>
<tr><th>Gene Symbol</th><td>[AGER](/genes/ager)</td></tr>
<tr><th>UniProt ID</th><td><a href="https://www.uniprot.org/uniprot/Q15120" target="_blank">Q15120</a></td></tr>
<tr><th>PDB Structures</th><td>1DWU, 2B2T, 4O9U</td></tr>
<tr><th>Molecular Weight</th><td>~45 kDa (secreted form)</td></tr>
<tr><th>Subcellular Localization</th><td>Cell surface (membrane), cytoplasm, nucleus</td></tr>
<tr><th>Protein Family</th><td>Immunoglobulin superfamily</td></tr>
<tr><th>Aliases</th><td>AGER, SCARJ1, DAME, Emfor</td></tr>
<tr>
<td class="label">Associated Diseases</td>
<td><a href="/wiki/als" style="color:#ef9a9a">ALS</a>, <a href="/wiki/alzheimer" style="color:#ef9a9a">ALZHEIMER</a>, <a href="/wiki/alzheimer's-disease" style="color:#ef9a9a">ALZHEIMER'S DISEASE</a>, <a href="/wiki/aging" style="color:#ef9a9a">Aging</a>, <a href="/wiki/als" style="color:#ef9a9a">Als</a></td>
</tr>
<tr>
<td class="label">KG Connections</td>
<td><a href="/atlas" style="color:#4fc3f7">622 edges</a></td>
</tr>
</table>
</div>

Introduction

[RAGE](/genes/rage) (Receptor for Advanced Glycation End Products) is a pattern recognition receptor that binds advanced glycation end products (AGEs), damage-associated molecular patterns (DAMPs), and other pro-inflammatory ligands. [RAGE](/entities/rage-receptor) plays a critical role in chronic inflammation and oxidative stress that contribute to neurodegenerative diseases including Alzheimer's disease (AD) and Parkinson's disease (PD).

Structure

RAGE is a multi-ligand receptor belonging to the immunoglobulin superfamily. It consists of:

• Extracellular domain: One V-type immunoglobulin domain (responsible for ligand binding) and two C-type domains
• Transmembrane domain: Single-pass transmembrane helix
• Intracellular domain: Cytoplasmic tail required for signal transduction

Normal Function

In the healthy nervous system, RAGE participates in:

• Development: Neuronal differentiation and migration during embryonic development
• Repair: Tissue repair and regeneration following injury
• Inflammation: Acute inflammatory responses

Role in Disease

Alzheimer's Disease

RAGE contributes to AD pathogenesis through multiple mechanisms:

Parkinson's Disease

In PD, RAGE mediates:

• Dopaminergic [Neuron](/entities/neurons) Vulnerability: RAGE expression is elevated in substantia nigra of PD patients
• α-Synuclein Aggregation: RAGE can bind α-synuclein and promote its aggregation
• Neuroinflammation: Chronic activation of [microglia](/entities/microglia) via RAGE-NF-κB pathway
• Mitochondrial Dysfunction: RAGE signaling impairs mitochondrial complex I activity

Other Neurodegenerative Diseases

• Amyotrophic Lateral Sclerosis (ALS): RAGE contributes to motor neuron injury
• Multiple Sclerosis: RAGE mediates demyelination and axonal loss
• Traumatic Brain Injury: RAGE upregulation exacerbates secondary brain injury

Signaling Pathways

RAGE activates multiple downstream signaling cascades:

Key molecules activated:

• NF-kappaB: Central transcription factor for inflammatory genes
• MAPK: ERK, JNK, and p38 kinases
• PI3K/Akt: Cell survival pathway
• Rho GTPases: Cytoskeletal dynamics

Therapeutic Targeting

RAGE represents a therapeutic target for neurodegenerative diseases:

| Strategy | Compound | Status | Notes |
|----------|----------|--------|-------|
| RAGE inhibitors | FPS-ZM1 | Preclinical | Blocks RAGE-V-type domain |
| Anti-RAGE antibodies | Various | Research | Neutralize RAGE signaling |
| sRAGE mimetics | Synthetic sRAGE | Research | Decoy receptor approach |
| Signal transduction | Small molecule inhibitors | Research | Block downstream pathways |

Other approaches include:

• AGE inhibitors: Prevent AGE formation
• Antioxidants: Reduce oxidative stress
• Anti-inflammatory drugs: Dampen NF-κB activation

Biomarker Potential

Soluble RAGE (sRAGE) levels in cerebrospinal fluid (CSF) and blood are being investigated as:

• Diagnostic biomarkers for AD and PD
• Prognostic markers for disease progression
• Indicators of treatment response

Key Publications

Cross-Links

• [Alzheimer's Disease](/diseases/alzheimers-disease)
• [Parkinson's Disease](/diseases/parkinsons-disease)
• [Neuroinflammation Pathway](/mechanisms/neuroinflammation-pathway)
• [Oxidative Stress](/mechanisms/oxidative-stress-neurodegeneration)
• [AGER Gene](/proteins/ager-protein)
• ["NF-κB"](/nf-kb-signaling-pathway-in-neurodegeneration)
• [Tau Protein](/proteins/tau)

Overview

Rage (Receptor For Advanced Glycation End Products) plays an important role in the study of neurodegenerative diseases. This page provides comprehensive information about this topic, including its mechanisms, significance in disease processes, and therapeutic implications.

Background

The study of Rage (Receptor For Advanced Glycation End Products) 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: [RAGE (RECEPTOR FOR ADVANCED GLYCATION END PRODUCTS) expression](https://human.brain-map.org/microarray/search/show?search_term=RAGE (RECEPTOR FOR ADVANCED GLYCATION END PRODUCTS))
• Allen Cell Type Atlas: [RAGE (RECEPTOR FOR ADVANCED GLYCATION END PRODUCTS) cell type expression](https://celltypes.brain-map.org/)
• BrainSpan: [RAGE (RECEPTOR FOR ADVANCED GLYCATION END PRODUCTS) developmental expression](https://brainspan.org/)

See Also

• [Amyloid Cascade Pathway](/mechanisms/amyloid-cascade-hypothesis)
• [Alpha-Synuclein Aggregation](/proteins/alpha-synuclein)
• [ALS](/diseases/amyotrophic-lateral-sclerosis)

External Links

• [UniProt: RAGE](https://www.uniprot.org/uniprot/Q15120)
• [RAGE in Neurodegeneration Review](https://pubmed.ncbi.nlm.nih.gov/)

Additional Content (merged from /entities/rage-receptor)

RAGE[@search] (Receptor for Advanced Glycation End Products)

References

Pathway Diagram

The following diagram shows the key molecular relationships involving RAGE (Receptor for Advanced Glycation End Products) discovered through SciDEX knowledge graph analysis: