Calcitonin Gene-Related Peptide (CGRP) Neurons

Calcitonin Gene-Related Peptide (CGRP) Neurons

Introduction

<table class="infobox infobox-cell">
<tr>
<th class="infobox-header" colspan="2">Calcitonin Gene-Related Peptide (CGRP) Neurons</th>
</tr>
<tr>
<td class="label">Taxonomy</td>
<td>ID</td>
</tr>
<tr>
<td class="label">Cell Ontology (CL)</td>
<td>[CL:4042034](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_4042034)</td>
</tr>
<tr>
<td class="label">Database</td>
<td>ID</td>
</tr>
<tr>
<td class="label">Cell Ontology</td>
<td>[CL:4042034](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_4042034)</td>
</tr>
<tr>
<td class="label">Gene</td>
<td>Function</td>
</tr>
<tr>
<td class="label">CALCA</td>
<td>Alpha-CGRP precursor</td>
</tr>
<tr>
<td class="label">CALCB</td>
<td>Beta-CGRP precursor</td>
</tr>
<tr>
<td class="label">CALCRL</td>
<td>Calcitonin receptor-like receptor</td>
</tr>
<tr>
<td class="label">RAMP1</td>
<td>Receptor activity-modifying protein 1</td>
</tr>
<tr>
<td class="label">RAMP2</td>
<td>Receptor activity-modifying protein 2</td>
</tr>
</table>

Calcitonin Gene Related Peptide (Cgrp) Neurons is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.

Calcitonin Gene-Related Peptide (CGRP) Neurons

Introduction

<table class="infobox infobox-cell">
<tr>
<th class="infobox-header" colspan="2">Calcitonin Gene-Related Peptide (CGRP) Neurons</th>
</tr>
<tr>
<td class="label">Taxonomy</td>
<td>ID</td>
</tr>
<tr>
<td class="label">Cell Ontology (CL)</td>
<td>[CL:4042034](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_4042034)</td>
</tr>
<tr>
<td class="label">Database</td>
<td>ID</td>
</tr>
<tr>
<td class="label">Cell Ontology</td>
<td>[CL:4042034](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_4042034)</td>
</tr>
<tr>
<td class="label">Gene</td>
<td>Function</td>
</tr>
<tr>
<td class="label">CALCA</td>
<td>Alpha-CGRP precursor</td>
</tr>
<tr>
<td class="label">CALCB</td>
<td>Beta-CGRP precursor</td>
</tr>
<tr>
<td class="label">CALCRL</td>
<td>Calcitonin receptor-like receptor</td>
</tr>
<tr>
<td class="label">RAMP1</td>
<td>Receptor activity-modifying protein 1</td>
</tr>
<tr>
<td class="label">RAMP2</td>
<td>Receptor activity-modifying protein 2</td>
</tr>
</table>

Calcitonin Gene Related Peptide (Cgrp) Neurons is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.

Calcitonin Gene-Related Peptide (CGRP) is a 37-amino acid neuropeptide widely distributed in both the central and peripheral nervous systems. CGRP is one of the most abundant neuropeptides and plays critical roles in pain transmission, neurovascular regulation, migraine, and autonomic function. [@cgrpa]

Overview

Calcitonin Gene-Related Peptide Neurons are specialized neurons in the brain that play important roles in neurological function and are relevant to neurodegenerative diseases. These neurons are involved in critical processes such as neurotransmitter regulation, autonomic control, or sensory processing. [@cgrpb]

Dysfunction or degeneration of these neurons contributes to the pathogenesis of Alzheimer's disease, Parkinson's disease, and related neurodegenerative disorders through effects on neurotransmitter systems, cellular metabolism, or neural circuit function. [@cgrpc]

--- [@cgrpd]

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

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

Multi-Taxonomy Classification

Taxonomy Database Cross-References

Morphology & Electrophysiology

• Morphology: CGRP-expressing neuron (source: Cell Ontology)
• Morphology can be inferred from Cell Ontology classification

External Database Links

• [Cell Ontology (CL:4042034)](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_4042034)
• [OBO Foundry (CL:4042034)](http://purl.obolibrary.org/obo/CL_4042034)
• [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/)

Taxonomy & Classification

External Database Links

• [Cell Ontology (CL:4042034)](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_4042034)
• [OBO Foundry (CL:4042034)](http://purl.obolibrary.org/obo/CL_4042034)
• [Allen Brain Cell Atlas](https://portal.brain-map.org/atlases-and-data/bkp/abc-atlas)
• [CellxGene Census](https://cellxgene.cziscience.com/)

Morphology and Markers

CGRP-expressing neurons are characterized by:

• CALCA/CALCB: CGRP precursor genes
• CALCRL/RAMP1: CLR/RAMP1 receptor complex
• NeuN: Neuronal marker
• NF200: Neurofilament marker

• Pseudounipolar: Dorsal root ganglion neurons
• Multipolar: Central nervous system neurons
• Bipolar: Some sensory neurons

Normal Function

Pain Transmission

• Primary afferent nociceptors
• Spinal cord dorsal horn transmission
• Central pain processing
• Neurogenic inflammation

Migraine Pathogenesis

• Released from trigeminal afferents
• Vasodilation of cerebral vessels
• Trigeminal nucleus caudalis activation
• CGRP receptor antagonists (gepants) are effective

Autonomic Regulation

• Cardiovascular control
• Thermoregulation
• Smooth muscle relaxation
• Blood flow regulation

Feeding Behavior

• Anorexigenic effects
• Leptin interaction
• Energy homeostasis

Disease Vulnerability

Migraine

• Elevated CGRP during attacks
• CGRP receptor antagonists (erenumab, fremanezumab)
• CGRP monoclonal antibodies prevent attacks
• Trigeminal neuralgia involvement

Alzheimer's Disease

• CGRP in neuroinflammation
• Interaction with amyloid pathology
• Cognitive function modulation
• Potential therapeutic target

Parkinson's Disease

• Altered CGRP in PD
• Autonomic dysfunction
• Non-motor symptoms

Neuropathic Pain

• CGRP upregulation in nerve injury
• Targeted antagonists
• analgesic potential

Multiple Sclerosis

• CGRP in demyelination
• Neuroimmune interactions
• Disease progression

Transcriptomic Profile

Therapeutic Implications

Migraine Prevention

• Erenumab: CGRP receptor antibody
• Fremanezumab: CGRP antibody
• Rimegepant: CGRP receptor antagonist
• Ubrogepant: CGRP receptor antagonist

Pain Management

• CGRP receptor antagonists
• Small molecule inhibitors
• Gene therapy approaches

Cardiovascular

• CGRP in blood flow regulation
• Potential for stroke treatment

Background

The study of Calcitonin Gene Related Peptide (Cgrp) 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

• [CGRP - Uniprot](https://www.uniprot.org)
• [Migraine Treatment - AAN](https://www.aan.com)

Pathway Diagram

The following diagram shows the key molecular relationships involving Calcitonin Gene-Related Peptide (CGRP) Neurons discovered through SciDEX knowledge graph analysis: