Retinal Ganglion Cells in Alzheimer's Disease

Retinal Ganglion Cells in Alzheimer's Disease

Introduction

<table class="infobox infobox-cell">
<tr>
<th class="infobox-header" colspan="2">Retinal Ganglion Cells in Alzheimer's Disease</th>
</tr>
<tr>
<td class="label">Taxonomy</td>
<td>ID</td>
</tr>
<tr>
<td class="label">Cell Ontology (CL)</td>
<td>[CL:0000740](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_0000740)</td>
</tr>
<tr>
<td class="label">Database</td>
<td>ID</td>
</tr>
<tr>
<td class="label">Cell Ontology</td>
<td>[CL:0000740](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_0000740)</td>
</tr>
<tr>
<td class="label">Biomarker</td>
<td>AD Specificity</td>
</tr>
<tr>
<td class="label">RNFL thickness</td>
<td>Moderate</td>
</tr>
<tr>
<td class="label">Ganglion cell complex</td>
<td>High</td>
</tr>
<tr>
<td class="label">Drusen-like deposits</td>
<td>Moderate</td>
</tr>
<tr>
<td class="label">Vessel changes</td>
<td>Low</td>
</tr>
</table>

Retinal Ganglion Cells In Alzheimer'S Disease is a cell type relevant to neurodegenerative disease research. This page covers its role in brain function, involvement in disease processes, and significance for therapeutic strategies.

Overview

Retinal Ganglion Cells in Alzheimer's Disease

Introduction

<table class="infobox infobox-cell">
<tr>
<th class="infobox-header" colspan="2">Retinal Ganglion Cells in Alzheimer's Disease</th>
</tr>
<tr>
<td class="label">Taxonomy</td>
<td>ID</td>
</tr>
<tr>
<td class="label">Cell Ontology (CL)</td>
<td>[CL:0000740](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_0000740)</td>
</tr>
<tr>
<td class="label">Database</td>
<td>ID</td>
</tr>
<tr>
<td class="label">Cell Ontology</td>
<td>[CL:0000740](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_0000740)</td>
</tr>
<tr>
<td class="label">Biomarker</td>
<td>AD Specificity</td>
</tr>
<tr>
<td class="label">RNFL thickness</td>
<td>Moderate</td>
</tr>
<tr>
<td class="label">Ganglion cell complex</td>
<td>High</td>
</tr>
<tr>
<td class="label">Drusen-like deposits</td>
<td>Moderate</td>
</tr>
<tr>
<td class="label">Vessel changes</td>
<td>Low</td>
</tr>
</table>

Retinal Ganglion Cells In Alzheimer'S Disease is a cell type relevant to neurodegenerative disease research. This page covers its role in brain function, involvement in disease processes, and significance for therapeutic strategies.

Overview

Retinal ganglion cells (RGCs) undergo degeneration in Alzheimer's disease, providing a unique window into CNS pathology through the eye. The retina, as an extension of the brain, reflects many of the same pathological processes occurring in cortical and subcortical regions. [@kesler2011]

<!-- taxonomy-enrichment --> [@coppola2015]

<!-- multi-taxonomy-enrichment --> [@cheung2017]

Multi-Taxonomy Classification

Taxonomy Database Cross-References

PanglaoDB Marker Cross-References

• Unknown (PanglaoDB):

External Database Links

• [Cell Ontology (CL:0000740)](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_0000740)
• [OBO Foundry (CL:0000740)](http://purl.obolibrary.org/obo/CL_0000740)
• [Allen Brain Cell Atlas](https://portal.brain-map.org/atlases-and-data/bkp/abc-atlas)
• [CellxGene Census](https://cellxgene.cziscience.com/)
• [Human Cell Atlas](https://www.humancellatlas.org/)
• [PanglaoDB](https://panglaodb.se/)

Taxonomy & Classification

PanglaoDB Marker Cross-References

• Unknown (PanglaoDB):

External Database Links

• [Cell Ontology (CL:0000740)](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_0000740)
• [OBO Foundry (CL:0000740)](http://purl.obolibrary.org/obo/CL_0000740)
• [Allen Brain Cell Atlas](https://portal.brain-map.org/atlases-and-data/bkp/abc-atlas)
• [CellxGene Census](https://cellxgene.cziscience.com/)
• [PanglaoDB](https://panglaodb.se/)

Evidence for Retinal Involvement

Clinical Findings

• Reduced retinal nerve fiber layer (RNFL) thickness in AD
• Macular degeneration-like changes
• Visual field defects in early AD
• Contrast sensitivity impairment

Imaging Biomarkers

• Optical coherence tomography (OCT): RNFL thinning
• Fundus autofluorescence: Lipofuscin changes
• Adaptive optics: Cone and rod degeneration

Cell-Type Vulnerability

Intrinsically Photosensitive RGCs (ipRGCs)

• Melanopsin-containing ganglion cells
• Early involvement in AD pathology
• Pupillary light reflex abnormalities

Midget Ganglion Cells

• Parvocellular pathway
• Contrast sensitivity deficits
• Color vision changes

Parasol Ganglion Cells

• Magnocellular pathway
• Motion detection impairment
• Spatial resolution deficits

Bistratified Ganglion Cells

• Koniocellular pathway
• Blue-yellow color deficits
• Stereoacuity changes

Pathological Mechanisms

Amyloid-Beta in Retina

• Aβ plaques found in retinal layers
• Aβ42 accumulation in ganglion cell layer
• Vascular Aβ (amyloid angiopathy)

Tau Pathology

• p-tau in retinal neurons
• NFT-like structures observed
• Tau propagation from brain

Vascular Changes

Retinal vasculature → Choroidal circulation →
RGC hypoxia → Apoptosis

Diagnostic Potential

Retinal Biomarkers

Comparison to Brain Biomarkers

• Correlates with cortical thickness
• Predicts cognitive decline
• Non-invasive monitoring potential

Background

The study of Retinal Ganglion Cells In Alzheimer'S Disease 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.

• [/diseases/alzheimers-disease](/diseases/alzheimers-disease)
• [Amyloid Hypothesis](/mechanisms/amyloid-hypothesis)
• [/mechanisms/tau-pathology](/mechanisms/tau-pathology)
• [APP Processing](/mechanisms/app-processing)
• [Amyloid Aggregation](/mechanisms/amyloid-aggregation)

External Links

• [PubMed](https://pubmed.ncbi.nlm.nih.gov/) - Biomedical literature
• [Alzheimer's Disease Neuroimaging Initiative](https://adni.loni.usc.edu/) - Research data
• [Allen Brain Atlas](https://brain-map.org/) - Brain gene expression data

Cross-References

• [Retinal Ganglion Cells](/cell-types/retinal-ganglion-cells)
• [Alzheimer's Disease](/diseases/alzheimers-disease)
• [Optical Coherence Tomography](/diagnostics/optical-coherence-tomography)
• [Amyloid-Beta](/proteins/amyloid-beta)
• [Tau Pathology](/mechanisms/tau-pathology)
• [Visual Symptoms in Alzheimer's Disease](/symptoms/visual-symptoms-alzheimers)
• Retinal Ganglion Cells in Neurodegeneration

Pathway Diagram

The following diagram shows the key molecular relationships involving Retinal Ganglion Cells in Alzheimer's Disease discovered through SciDEX knowledge graph analysis: