Cocaine- and Amphetamine-Regulated Transcript (CART) Neurons

Cocaine- and Amphetamine-Regulated Transcript (CART) Neurons

Introduction

<table class="infobox infobox-cell">
<tr>
<th class="infobox-header" colspan="2">Cocaine- and Amphetamine-Regulated Transcript (CART) Neurons</th>
</tr>
<tr>
<td class="label">Taxonomy</td>
<td>ID</td>
</tr>
<tr>
<td class="label">Gene</td>
<td>Function</td>
</tr>
<tr>
<td class="label">CARTPT</td>
<td>CART precursor</td>
</tr>
<tr>
<td class="label">POMC</td>
<td>Co-expression in some neurons</td>
</tr>
<tr>
<td class="label">NPY</td>
<td>Opposing orexigenic signal</td>
</tr>
<tr>
<td class="label">CRH</td>
<td>Stress axis modulation</td>
</tr>
<tr>
<td class="label">TH</td>
<td>Co-localization in VTA</td>
</tr>
</table>

Cocaine And Amphetamine Regulated Transcript (Cart) 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.

Cocaine- and Amphetamine-Regulated Transcript (CART) is a neuropeptide that was originally discovered as a transcript upregulated by cocaine and amphetamine administration. CART peptides are widely distributed in the brain and function as neurotransmitters/neuromodulators in circuits controlling appetite, reward, stress, and endocrine function. [@carta]

Overview

Cocaine- and Amphetamine-Regulated Transcript (CART) Neurons

Introduction

<table class="infobox infobox-cell">
<tr>
<th class="infobox-header" colspan="2">Cocaine- and Amphetamine-Regulated Transcript (CART) Neurons</th>
</tr>
<tr>
<td class="label">Taxonomy</td>
<td>ID</td>
</tr>
<tr>
<td class="label">Gene</td>
<td>Function</td>
</tr>
<tr>
<td class="label">CARTPT</td>
<td>CART precursor</td>
</tr>
<tr>
<td class="label">POMC</td>
<td>Co-expression in some neurons</td>
</tr>
<tr>
<td class="label">NPY</td>
<td>Opposing orexigenic signal</td>
</tr>
<tr>
<td class="label">CRH</td>
<td>Stress axis modulation</td>
</tr>
<tr>
<td class="label">TH</td>
<td>Co-localization in VTA</td>
</tr>
</table>

Cocaine And Amphetamine Regulated Transcript (Cart) 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.

Cocaine- and Amphetamine-Regulated Transcript (CART) is a neuropeptide that was originally discovered as a transcript upregulated by cocaine and amphetamine administration. CART peptides are widely distributed in the brain and function as neurotransmitters/neuromodulators in circuits controlling appetite, reward, stress, and endocrine function. [@carta]

Overview

CART 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. [@cartb]

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. [@cartc]

--- [@cartd]

<!-- multi-taxonomy-enrichment -->

Multi-Taxonomy Classification

Taxonomy Database Cross-References

External Database Links

• [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/)

Morphology and Markers

CART-expressing neurons are characterized by: [@carte]

• Cartpt: CART peptide precursor gene
• CART immunoreactivity: Peptide detection
• NeuN: Neuronal marker
• TH: Tyrosine hydroxylase (in some subpopulations)

• Arcuate nucleus (ARC)
• Paraventricular nucleus (PVN)
• Lateral hypothalamus
• Nucleus accumbens
• Ventral tegmental area
• Dorsal raphe nucleus

Normal Function

Appetite and Energy Balance

• Inhibits food intake
• Increases energy expenditure
• Works through multiple hypothalamic pathways
• Opposes orexigenic signals (NPY/AgRP)

Reward and Addiction

• Modulates dopamine signaling
• Involved in cocaine reward
• Natural reward processing
• Reinforcement learning

Stress Response

• Modulates CRF expression
• Anxiety-like behavior
• Stress coping mechanisms

Pain Modulation

• Analgesic properties
• Spinal cord modulation
• Opiate interaction

Disease Vulnerability

Alzheimer's Disease

• CART alterations in AD brain
• Energy balance dysregulation
• Memory function involvement
• Cholinergic system interaction

Parkinson's Disease

• CART in basal ganglia
• Dopaminergic system modulation
• Non-motor symptoms
• Therapeutic target potential

Depression

• CART in mood disorders
• Antidepressant effects
• Stress axis involvement
• Reward system dysregulation

Addiction

• CART and cocaine dependence
• Alcohol use disorder
• Nicotine addiction
• Treatment implications

Obesity

• CART pathway defects
• Energy homeostasis
• Therapeutic target

Transcriptomic Profile

Therapeutic Implications

• CART analogs: Potential anti-obesity agents
• CART-based addiction treatment: Cocaine/amphetamine
• Antidepressant potential: Mood regulation
• Biomarkers: CART as disease marker

Background

The study of Cocaine And Amphetamine Regulated Transcript (Cart) 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.

Brain Atlas Resources

• [Allen Cell Type Atlas](https://celltypes.brain-map.org/) - Cell type data and taxonomy
• [Allen Brain Atlas API](https://api.brain-map.org/) - Gene expression and cell data
• [BrainSpan Atlas](https://brainspan.org/) - Developmental brain gene expression

External Links

• [CART - Uniprot](https://www.uniprot.org)
• [CART Peptide - Wikipedia](https://en.wikipedia.org/wiki/CART_peptide)