Nicotinic Acetylcholine Alpha-4/Beta-2 Receptor Neurons
Introduction
<table class="infobox infobox-cell">
<tr>
<th class="infobox-header" colspan="2">Nicotinic Acetylcholine Alpha-4/Beta-2 Receptor Neurons</th>
</tr>
<tr>
<td class="label">Taxonomy</td>
<td>ID</td>
</tr>
<tr>
<td class="label">Cell Ontology (CL)</td>
<td>[CL:0000169](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_0000169)</td>
</tr>
<tr>
<td class="label">Database</td>
<td>ID</td>
</tr>
<tr>
<td class="label">Cell Ontology</td>
<td>[CL:0000169](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_0000169)</td>
</tr>
<tr>
<td class="label">Cell Ontology</td>
<td>[CL:0000197](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_0000197)</td>
</tr>
<tr>
<td class="label">Cell Ontology</td>
<td>[CL:0000789](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_0000789)</td>
</tr>
<tr>
<td class="label">Receptor Type</td>
<td>nAChR α4β2</td>
</tr>
<tr>
<td class="label">Family</td>
<td>Nicotinic acetylcholine</td>
</tr>
<tr>
<td class="label">Signaling Mechanism</td>
<td>Ligand-gated ion channel, Na+ and Ca2+ influx</td>
</tr>
<tr>
<td class="label">Primary Location</td>
<td>Hippocampus, cortex, VTA, basal forebrain</td>
</tr>
</table>
[Nicotinic acetylcholine receptor](/mechanisms/cholinergic-hypothesis) (nAChR) α4β2 receptor neurons are important in the neurobiology of [Alzheimer's disease](/diseases/alzheimers-disease), [Parkinson's disease](/diseases/parkinsons-disease), and [ nicotine addiction](/diseases/nicotine-addiction). This page provides detailed information about their structure, function, and role in disease processes.
Overview
Mermaid diagram (expand to render)
Nicotinic Acetylcholine Alpha-4/Beta-2 Receptor Neurons express the nAChR alpha4beta2 receptor, a [ligand-gated ion channel](/proteins/nicotinic-receptors) that plays crucial roles in:
- [Cognitive function](/mechanisms/cognitive-decline)
- [Attention](/mechanisms/attention-systems)
- [Reward processing](/mechanisms/dopamine-pathway)
- [Neuroprotection](/therapeutics/neuroprotection)
The alpha4beta2 nAChR is the most abundant nicotinic receptor in the [brain](/brain-regions/cortex) and is critical for [dopaminergic](/mechanisms/dopamine-pathway) signaling in the [mesolimbic pathway](/mechanisms/mesolimbic-pathway). In [Alzheimer's disease](/diseases/alzheimers-disease), alpha4beta2 receptor density is reduced, and [nicotinic agonists](/therapeutics/nicotinic-agonists) have been explored as therapeutic agents.
<!-- taxonomy-enrichment --> [@receptor]
<!-- multi-taxonomy-enrichment -->
Multi-Taxonomy Classification
Taxonomy Database Cross-References
PanglaoDB Marker Cross-References
External Database Links
- [Cell Ontology (CL:0000169)](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_0000169)
- [OBO Foundry (CL:0000169)](http://purl.obolibrary.org/obo/CL_0000169)
- [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
External Database Links
- [Cell Ontology (CL:0000169)](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_0000169)
- [OBO Foundry (CL:0000169)](http://purl.obolibrary.org/obo/CL_0000169)
- [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/)
Receptor Properties
Function
Nicotinic Acetylcholine Alpha-4/Beta-2 Receptor Neurons are involved in Cognitive function, attention, reward processing. These neurons express the nAChR α4β2 receptor which ligand-gated ion channel, na+ and ca2+ influx. The receptor's location in hippocampus, cortex, vta, basal forebrain allows it to modulate neurotransmission and cellular signaling in key brain regions.
Signaling Pathway
The nAChR α4β2 receptor signals through ligand-gated ion channel, na+ and ca2+ influx. This mechanism allows rapid or modulatory responses depending on the cellular context and co-expression of other receptors.
Disease Implications
Target for Alzheimer's therapy, nicotine addiction. Understanding the role of these receptor neurons provides insight into potential therapeutic targets for these conditions.
Therapeutic Targets
The nAChR α4β2 receptor is a target for drug development in:
- Neurological disorders
- Neuropsychiatric conditions
- Neurodegenerative diseases
- Receptor Neurons
- Neurotransmitter Systemsmechanisms/cholinergic-hypothesis-ad)
- Nicotinic acetylcholine Signaling
Background
The study of Nicotinic Acetylcholine Alpha 4 Beta 2 Receptor Neurons 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.
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
Pathway Diagram
The following diagram shows the key molecular relationships involving Nicotinic Acetylcholine Alpha-4/Beta-2 Receptor Neurons discovered through SciDEX knowledge graph analysis:
Mermaid diagram (expand to render)