Nucleus Accumbens in Parkinson's Disease

Nucleus Accumbens in Parkinson's Disease

Introduction

<table class="infobox infobox-cell">
<tr>
<th class="infobox-header" colspan="2">Nucleus Accumbens in Parkinson's Disease</th>
</tr>
<tr>
<td class="label">Database</td>
<td>ID</td>
</tr>
<tr>
<td class="label">Cell Ontology</td>
<td>[CL:4030051](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_4030051)</td>
</tr>
<tr>
<td class="label">Cell Ontology</td>
<td>[CL:4030052](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_4030052)</td>
</tr>
<tr>
<td class="label">Taxonomy</td>
<td>ID</td>
</tr>
<tr>
<td class="label">Cell Ontology (CL)</td>
<td>[CL:4030051](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_4030051)</td>
</tr>
<tr>
<td class="label">Compartment</td>
<td>Connectivity</td>
</tr>
<tr>
<td class="label">Core</td>
<td>Motor cortex, pallidum</td>
</tr>
<tr>
<td class="label">Shell</td>
<td>Limbic structures</td>
</tr>
</table>

Nucleus Accumbens In Parkinson'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

Nucleus Accumbens in Parkinson's Disease

Introduction

<table class="infobox infobox-cell">
<tr>
<th class="infobox-header" colspan="2">Nucleus Accumbens in Parkinson's Disease</th>
</tr>
<tr>
<td class="label">Database</td>
<td>ID</td>
</tr>
<tr>
<td class="label">Cell Ontology</td>
<td>[CL:4030051](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_4030051)</td>
</tr>
<tr>
<td class="label">Cell Ontology</td>
<td>[CL:4030052](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_4030052)</td>
</tr>
<tr>
<td class="label">Taxonomy</td>
<td>ID</td>
</tr>
<tr>
<td class="label">Cell Ontology (CL)</td>
<td>[CL:4030051](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_4030051)</td>
</tr>
<tr>
<td class="label">Compartment</td>
<td>Connectivity</td>
</tr>
<tr>
<td class="label">Core</td>
<td>Motor cortex, pallidum</td>
</tr>
<tr>
<td class="label">Shell</td>
<td>Limbic structures</td>
</tr>
</table>

Nucleus Accumbens In Parkinson'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

The nucleus accumbens (NAc), a key component of the ventral striatum and mesolimbic dopamine system, is significantly affected in Parkinson's disease. Its involvement contributes to both motor and non-motor symptoms, particularly anhedonia and motivational deficits. [@carriere2015]

<!-- multi-taxonomy-enrichment --> [@haber2010]

<!-- taxonomy-enrichment --> [@balleine2010]

Taxonomy & Classification

External Database Links

• [Cell Ontology (CL:4030051)](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_4030051)
• [OBO Foundry (CL:4030051)](http://purl.obolibrary.org/obo/CL_4030051)
• [Allen Brain Cell Atlas](https://portal.brain-map.org/atlases-and-data/bkp/abc-atlas)
• [CellxGene Census](https://cellxgene.cziscience.com/)

Multi-Taxonomy Classification

Taxonomy Database Cross-References

Morphology & Electrophysiology

• Morphology: nucleus accumbens shell and olfactory tubercle D1 medium spiny neuron (source: Cell Ontology)
• Morphology can be inferred from Cell Ontology classification

External Database Links

• [Cell Ontology (CL:4030051)](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_4030051)
• [OBO Foundry (CL:4030051)](http://purl.obolibrary.org/obo/CL_4030051)
• [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/)

Anatomical Organization

Core vs. Shell

Dopaminergic Innervation

• VTA inputs: Dense dopaminergic projections
• Mesolimbic pathway: Reward signaling
• Modulatory effects on motivation

Changes in PD

Dopamine Depletion

• 50-70% loss in NAc dopamine
• Reduced tyrosine hydroxylase
• Compensatory receptor changes

Pathological Involvement

• Lewy body formation
• Alpha-synuclein pathology
• Functional connectivity changes

Clinical Manifestations

Non-Motor Symptoms

Anhedonia

• Loss of pleasure perception
• Motivational deficits
• Depression comorbidity

Apathy

• Reduced initiative
• Loss of goal-directed behavior
• Independent of depression

Motor Contributions

• Sensorimotor integration deficits
• Movement timing impairment
• Reward-based learning changes

Therapeutic Implications

Dopaminergic Therapy

• Levodopa effects on motivation
• Dopamine agonist benefits
• Anhedonia response variable

Deep Brain Stimulation

• NAc as target: Depression/anxiety
• VTA stimulation: Mood effects
• NAcc-DBS: OCD, addiction crossover

Background

The study of Nucleus Accumbens In Parkinson'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.

• [Parkinson's Disease](/diseases/parkinsons-disease)
• [/mechanisms/alpha-synuclein](/mechanisms/alpha-synuclein-aggregation-pathway)
• /diseases
• /mechanisms
• /all-pages

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

• [Nucleus Accumbens](/brain-regions/nucleus-accumbens)
• [Parkinson's Disease](/diseases/parkinsons-disease)
• [Ventral Tegmental Area](/brain-regions/ventral-tegmental-area)
• [Mesolimbic Pathway](/mechanisms/mesolimbic-pathway)
• [Anhedonia in Parkinson's Disease](/symptoms/anhedonia-parkinsons)
• [Apathy](/symptoms/apathy)
• [Dopamine](/entities/dopamine)

See Also

• [amygdala-circuits](/wiki/circuits-amygdala-circuits) — associated_with
• [Cerebral Cortex](/wiki/brain-regions-cortex) — associated_with
• [Interneurons](/wiki/cell-types-interneurons) — associated_with
• [Interneurons](/wiki/cell-types-interneurons) — interacts_with
• [temporal-lobe](/wiki/brain-regions-temporal-lobe) — associated_with

Pathway Diagram

The following diagram shows the key molecular relationships involving Nucleus Accumbens in Parkinson's Disease discovered through SciDEX knowledge graph analysis: