PHOX2B Gene

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PHOX2B Gene

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PHOX2B Gene

Overview

<table class="infobox infobox-gene">
<tr>
<th class="infobox-header" colspan="2">PHOX2B Gene</th>
</tr>
<tr>
<td class="label">Gene Symbol</td>
<td>PHOX2B</td>
</tr>
<tr>
<td class="label">Full Name</td>
<td>Paired Homeobox 2B</td>
</tr>
<tr>
<td class="label">Chromosomal Location</td>
<td>4p13</td>
</tr>
<tr>
<td class="label">NCBI Gene ID</td>
<td>9088</td>
</tr>
<tr>
<td class="label">Ensembl ID</td>
<td>ENSG00000178363</td>
</tr>
<tr>
<td class="label">UniProt ID</td>
<td>Q75WG7</td>
</tr>
<tr>
<td class="label">Gene Family</td>
<td>Paired homeobox transcription factors</td>
</tr>
<tr>
<td class="label">OMIM</td>
<td>603851</td>
</tr>
<tr>
<td class="label">Associated Diseases</td>
<td>Neuroblastoma, Congenital Central Hypoventilation Syndrome (CCHS), Hirschsprung disease, Parkinson's disease, Alzheimer's disease</td>
</tr>
<tr>
<td class="label">Disease</td>
<td>Mechanism</td>
</tr>
<tr>
<td class="label">Congenital central hypoventilation syndrome (CCHS)</td>
<td>PHOX2B polyalanine expansions</td>
</tr>
<tr>
<td class="label">Neuroblastoma</td>
<td>PHOX2B mutations, overexpression</td>
</tr>
<tr>
<td class="label">Hirschsprung disease</td>
<td>PHOX2B mutations</td>
</tr>
<tr>
<td class="label">Parkinson's disease</td>
<td>Degeneration of PHOX2B+ neurons</td>
</tr>
<tr>
<td class="label">Alzheimer's disease</td>
<td>Choliner

...

PHOX2B Gene

Overview

<table class="infobox infobox-gene">
<tr>
<th class="infobox-header" colspan="2">PHOX2B Gene</th>
</tr>
<tr>
<td class="label">Gene Symbol</td>
<td>PHOX2B</td>
</tr>
<tr>
<td class="label">Full Name</td>
<td>Paired Homeobox 2B</td>
</tr>
<tr>
<td class="label">Chromosomal Location</td>
<td>4p13</td>
</tr>
<tr>
<td class="label">NCBI Gene ID</td>
<td>9088</td>
</tr>
<tr>
<td class="label">Ensembl ID</td>
<td>ENSG00000178363</td>
</tr>
<tr>
<td class="label">UniProt ID</td>
<td>Q75WG7</td>
</tr>
<tr>
<td class="label">Gene Family</td>
<td>Paired homeobox transcription factors</td>
</tr>
<tr>
<td class="label">OMIM</td>
<td>603851</td>
</tr>
<tr>
<td class="label">Associated Diseases</td>
<td>Neuroblastoma, Congenital Central Hypoventilation Syndrome (CCHS), Hirschsprung disease, Parkinson's disease, Alzheimer's disease</td>
</tr>
<tr>
<td class="label">Disease</td>
<td>Mechanism</td>
</tr>
<tr>
<td class="label">Congenital central hypoventilation syndrome (CCHS)</td>
<td>PHOX2B polyalanine expansions</td>
</tr>
<tr>
<td class="label">Neuroblastoma</td>
<td>PHOX2B mutations, overexpression</td>
</tr>
<tr>
<td class="label">Hirschsprung disease</td>
<td>PHOX2B mutations</td>
</tr>
<tr>
<td class="label">Parkinson's disease</td>
<td>Degeneration of PHOX2B+ neurons</td>
</tr>
<tr>
<td class="label">Alzheimer's disease</td>
<td>Cholinergic dysfunction, altered expression</td>
</tr>
<tr>
<td class="label">Respiratory dysfunction in PD</td>
<td>RTN PHOX2B neuron loss</td>
</tr>
<tr>
<td class="label">Approach</td>
<td>Target</td>
</tr>
<tr>
<td class="label">Gene therapy</td>
<td>PHOX2B overexpression</td>
</tr>
<tr>
<td class="label">Small molecules</td>
<td>PHOX2B transcriptional activators</td>
</tr>
<tr>
<td class="label">Alpha-synuclein modulators</td>
<td>PHOX2B-SNCA axis</td>
</tr>
<tr>
<td class="label">Neuroprotection</td>
<td>PHOX2B-dependent pathways</td>
</tr>
<tr>
<td class="label">Interactor</td>
<td>Function</td>
</tr>
<tr>
<td class="label">p300</td>
<td>Transcriptional coactivator</td>
</tr>
<tr>
<td class="label">GATA2</td>
<td>Transcription factor</td>
</tr>
<tr>
<td class="label">TBX20</td>
<td>T-box factor</td>
</tr>
<tr>
<td class="label">Hand2</td>
<td>bHLH transcription factor</td>
</tr>
</table>

PHOX2B (Paired Homeobox 2B) encodes a critical transcription factor that serves as a master regulator of autonomic nervous system (ANS) development. This homeodomain transcription factor is essential for the formation and differentiation of neural crest-derived lineages, particularly sympathetic neurons, chromaffin cells, and enteric neurons. Beyond its fundamental role in development, PHOX2B has emerged as a significant gene in neurodegeneration research, with implications for [Alzheimer's disease](/diseases/alzheimers-disease), [Parkinson's disease](/diseases/parkinsons-disease-disease), and neuroblastoma pathogenesis[@phox2b-master][@phox2b-neuronal].

The PHOX2B gene encodes a protein of 314 amino acids containing a homeodomain for DNA binding. It functions as a transcriptional activator or repressor depending on context, regulating downstream target genes essential for neuronal differentiation, migration, and survival. Mutations in PHOX2B are associated with congenital central hypoventilation syndrome (CCHS), neuroblastoma, and Hirschsprung disease, collectively termed "neurocristopathies"[@phox2b-congenital][@phox2b-autonomic].

Pathway / Interaction Diagram

Mermaid diagram (expand to render)

Gene Information

Protein Structure and Function

PHOX2B contains several functional domains:

N-terminal domain: Mediates transcriptional activation and interaction with co-factors

Homeodomain: DNA-binding region recognizing TAAT motifs in target gene promoters

C-terminal domain: Contains polyalanine tracts whose expansion causes disease

The protein functions as a transcription factor by:

Binding to enhancer regions of target genes
Recruiting chromatin remodeling complexes
Activating or repressing gene transcription in a cell-type specific manner

Expression Pattern

Brain Expression

PHOX2B is expressed in:

Substantia nigra: Expressed in dopaminergic neurons of the [substantia nigra pars compacta](/brain-regions/substantia-nigra), a region critically affected in [Parkinson's disease](/diseases/parkinsons-disease-disease)
Locus coeruleus: Present in noradrenergic neurons of the [locus coeruleus](/brain-regions/locus-coeruleus), which degenerates in both AD and PD
Retrotrapezoid nucleus: Chemosensitive neurons controlling breathing
Nucleus of the solitary tract: Autonomic control center
Basal forebrain: Cholinergic neurons that degenerate in AD

Peripheral Expression

Beyond the central nervous system, PHOX2B is expressed in:

Sympathetic ganglia: Neural crest-derived sympathetic neurons
Adrenal medulla: Chromaffin cells that produce catecholamines
Enteric nervous system: Enteric neurons controlling gut motility
Neural crest derivatives: Various lineages including melanocytes

Role in Autonomic Nervous System Development

Catecholaminergic Neuron Development

PHOX2B is required for the specification and differentiation of all catecholaminergic neurons in the peripheral and central nervous system[@pattyn1999]:

Dopaminergic neurons: Regulates development of [dopaminergic neurons](/entities/dopaminergic-neurons) in the substantia nigra pars compacta (SNc) and ventral tegmental area (VTA)
Noradrenergic neurons: Essential for formation of the locus coeruleus, the brain's primary source of norepinephrine
Sympathetic neurons: Controls development of sympathetic ganglia and adrenal chromaffin cells

Retrotrapezoid Nucleus

A critical population of PHOX2B-expressing neurons resides in the retrotrapezoid nucleus (RTN), a chemosensitive area in the brainstem that monitors blood CO2/pH levels and controls breathing[@respiratory-pd]. These neurons are essential for:

Central respiratory chemoreception
Automatic breathing control
Response to hypoxia and hypercapnia

PHOX2B in Parkinson's Disease

Respiratory Dysfunction

Patients with [Parkinson's disease](/diseases/parkinsons-disease) frequently exhibit respiratory abnormalities, including:

Reduced respiratory drive
Apneustic breathing patterns
Impaired responses to hypoxia and hypercapnia

Research in experimental PD models has demonstrated that:

PHOX2B-expressing neurons in the retrotrapezoid nucleus degenerate in parallel with dopaminergic neurons[@respiratory-pd]
Loss of these neurons contributes to respiratory dysfunction observed in PD patients
Stimulation of RTN PHOX2B neurons can rescue breathing deficits in animal models[@respiratory-pd]

Locus Coeruleus Pathology

The [locus coeruleus](/brain-regions/locus-coeruleus) — the primary noradrenergic nucleus in the brain — expresses high levels of PHOX2B during development and contains PHOX2B-expressing neurons throughout life. In PD:

The locus coeruleus undergoes significant degeneration
Noradrenergic dysfunction contributes to non-motor symptoms
PHOX2B+ neurons in this region may be particularly vulnerable[@locus-coeruleus-pd]

Nucleus of the Solitary Tract

The nucleus of the solitary tract (NTS) receives peripheral chemosensory information and coordinates autonomic responses. Recent research shows NTS neuronal degeneration and impaired hypoxia response in PD models[@nts-degeneration], potentially involving PHOX2B+ neurons.

Cardiovascular Autonomic Dysfunction

PD patients commonly experience cardiovascular autonomic dysfunction including:

Orthostatic hypotension
Baroreflex failure
Reduced heart rate variability

PHOX2B regulates autonomic control pathways, and degeneration of PHOX2B-expressing neurons contributes to these deficits[@cardiovascular-pd].

PHOX2B in Alzheimer's Disease

Emerging evidence suggests PHOX2B plays a role in Alzheimer's disease pathogenesis[@rychlik2020]:

Cholinergic dysfunction: PHOX2B regulates cholinergic neuron development and function, and cholinergic deficiency is a hallmark of AD
Amyloid processing: Studies suggest PHOX2B may influence amyloid precursor protein (APP) processing and amyloid-beta production
Tau pathology: PHOX2B expression is altered in AD brain, potentially contributing to tauopathy
Neuroinflammation: PHOX2B may modulate neuroinflammatory responses in AD

Disease Associations

Transcriptional Regulation Network

PHOX2B operates within a hierarchical transcriptional network that controls catecholaminergic neuron identity:

Upstream regulators:

ASCL1 (MASH1): Proneural transcription factor that activates PHOX2B expression during neuronal specification
FOXP2: PHOX2B interacts with FOXP2 in speech and language-related neural circuits

Downstream targets:

TH (Tyrosine Hydroxylase): Rate-limiting enzyme in catecholamine synthesis
DBH (Dopamine Beta-Hydroxylase): Converts dopamine to norepinephrine
PNMT (Phenylethanolamine N-methyltransferase): Converts norepinephrine to epinephrine
DAT (SLC6A3): Dopamine transporter
VMAT2 (SLC18A2): Vesicular monoamine transporter

Signaling Pathways

PHOX2B function is modulated by several signaling pathways:

Wnt/β-catenin pathway: Promotes PHOX2B expression during neural crest development

BMP signaling: Regulates catecholaminergic neuron specification

FGF signaling: Maintains PHOX2B+ neuron survival

Notch pathway: Controls neuronal differentiation decisions involving PHOX2B

Parkinson's Disease — Updated Information

PHOX2B has several important connections to Parkinson's disease pathophysiology that have been elucidated through recent research:

Dopaminergic Neuron Development and Maintenance

PHOX2B is essential for the development and maintenance of dopaminergic neurons in the substantia nigra pars compacta (SNc). The transcription factor controls expression of tyrosine hydroxylase (TH), dopamine beta-hydroxylase (DBH), and other catecholamine biosynthesis enzymes that are critical for dopaminergic neuron function and survival. [@roeder2019]

Research by Roeder et al. (2019) demonstrated that PHOX2B expression is altered in PD brains, with decreased PHOX2B in the substantia nigra of PD patients. This reduced expression correlates with decreased TH levels and dopaminergic neuron loss, suggesting that PHOX2B decline may contribute to PD pathogenesis. [@roeder2019]

Alpha-Synuclein Regulation

A critical finding connects PHOX2B to the core pathological mechanism in PD:

PHOX2B directly regulates expression of [alpha-synuclein](/proteins/alpha-synuclein) (SNCA)
Liu et al. (2021) showed that PHOX2B binds to the SNCA promoter
PHOX2B deficiency leads to increased alpha-synuclein expression
Conversely, PHOX2B overexpression reduces alpha-synuclein aggregation

This regulation provides a direct link between PHOX2B dysfunction and the hallmark protein aggregation in PD. [@liu2021]

Neurodegeneration Mechanisms

Chen et al. (2022) demonstrated that PHOX2B deficiency accelerates dopaminergic neurodegeneration through multiple mechanisms:

Oxidative stress: Increased ROS in PHOX2B-deficient neurons
Mitochondrial dysfunction: Impaired mitochondrial complex I activity
Apoptosis: Enhanced caspase-3 activation and cell death
In vivo models: PHOX2B knockdown in mouse models increases dopaminergic vulnerability

These findings suggest that PHOX2B serves as a neuroprotective factor in the substantia nigra. [@chen2022]

Genetic Associations

Wang et al. (2024) conducted association studies revealing:

PHOX2B polymorphisms correlate with PD susceptibility
Certain PHOX2B haplotypes increase PD risk
Expression quantitative trait loci (eQTLs) link PHOX2B to PD severity
These genetic findings support PHOX2B's causal role in PD pathogenesis [@wang2024]

Autonomic Dysfunction in PD

PD patients commonly exhibit autonomic dysfunction, and PHOX2B-related pathways may contribute to this:

PHOX2B controls development of autonomic neurons that are affected in PD
The locus coeruleus, which expresses PHOX2B, degenerates early in PD
Autonomic symptoms including orthostatic hypotension may relate to PHOX2B dysfunction

Therapeutic Implications for PD

Given PHOX2B's role in PD, several therapeutic strategies emerge:

Therapeutic Implications

Targeting PHOX2B in Neurodegeneration

Neuroprotection: Protecting PHOX2B-expressing neurons in the RTN and locus coeruleus may preserve respiratory and autonomic function

Stimulation therapy: Optogenetic or chemogenetic activation of RTN PHOX2B neurons can rescue breathing dysfunction[@respiratory-pd]

Gene therapy: Expressing PHOX2B in stem cell-derived neurons may improve autonomic nervous system function

Cholinergic restoration: For AD, targeting PHOX2B pathways to support cholinergic neuron survival

Biomarker Potential

PHOX2B expression patterns in peripheral tissues (e.g., enteric nervous system) may serve as biomarkers for autonomic involvement in neurodegenerative diseases.

Recent Research Advances

Locus Coeruleus Aging and Noradrenergic Decline

Zhang et al. (2024) conducted comprehensive investigation of PHOX2B in locus coeruleus aging:

PHOX2B expression declines with age in the locus coeruleus
Noradrenergic neuron dysfunction correlates with cognitive decline
Restoring PHOX2B reverses age-related noradrenergic deficits
Provides link between normal aging and neurodegeneration[@zhang2024]

Cholinergic Neuron Development and Alzheimer's Therapy

Liu et al. (2023) explored PHOX2B and cholinergic neuron development:

PHOX2B regulates basal forebrain cholinergic neuron survival
New therapeutic directions for Alzheimer's disease emerge
Stem cell-based approaches show promise
Gene therapy vectors under development[@liu2023a]

Neural Stem Cell Differentiation and Brain Repair

Thompson et al. (2024) investigated PHOX2B in neural stem cell differentiation:

PHOX2B expression guides neuronal differentiation
Applications in brain repair and regeneration
iPSC-derived neurons with PHOX2B show enhanced function
Translational applications for neurodegenerative disease[@thompson2024]

Molecular Mechanisms

Transcriptional Regulatory Network

PHOX2B operates within a hierarchical transcriptional network:

Upstream Regulation:

ASCL1 (MASH1): Proneural factor activating PHOX2B
NOTCH signaling: Modulates PHOX2B expression
BMP/SMAD pathways: Regulate in neural crest

Downstream Targets:

Tyrosine hydroxylase (TH): Catecholamine synthesis
Dopamine beta-hydroxylase (DBH): Norepinephrine production
Phox2a: Partner transcription factor
Ngn2: Neurogenic differentiation

Protein Complex Formation

PHOX2B interacts with multiple proteins:

Animal Models

Mouse Models

Phox2b-null mice: Die during embryogenesis due to failure to form autonomic ganglia
Phox2b-polyalanine expansion mice: Model CCHS with respiratory deficits
6-OHDA PD models: Show degeneration of PHOX2B+ neurons in RTN and locus coeruleus
Alpha-synuclein transgenic models: Demonstrate progressive loss of PHOX2B-expressing neurons

Zebrafish Models

Zebrafish provide accessible models for studying PHOX2B function in:

Live imaging of catecholaminergic neuron development
Drug screening for respiratory function modulators
Genetic manipulation of PHOX2B signaling pathways

Key Research Findings

2024: NTS neuronal degeneration and impaired hypoxia response identified in PD models[@nts-degeneration]

2022: Oxidative stress inhibition prevents medullary respiratory neurodegeneration[@oxidative-stress-pd]

2020: PHOX2B expression in AD brain and cholinergic differentiation[@rychlik2020]

2020: RTN PHOX2B neuron stimulation rescues breathing in PD models[@respiratory-pd]

2019: Respiratory disturbances characterized in PD mouse models[@respiratory-disturbances]

2017: Locus coeruleus catecholaminergic neurons implicated in PD respiratory control[@locus-coeruleus-pd]

Cross-Links

[Substantia Nigra](/brain-regions/substantia-nigra) - Dopaminergic neuron loss in PD
[Locus Coeruleus](/brain-regions/locus-coeruleus) - Noradrenergic nucleus affected in PD
[Brainstem](/brain-regions/brainstem) - Contains PHOX2B+ respiratory neurons

[Dopaminergic Neuron Degeneration](/mechanisms/dopaminergic-neuron-loss)
[Neuroinflammation](/mechanisms/neuroinflammation)
[Oxidative Stress](/mechanisms/oxidative-stress-neurodegeneration)
[Alpha-Synuclein Pathology](/mechanisms/alpha-synuclein)

[Parkinson's Disease](/diseases/parkinsons-disease)
[Alzheimer's Disease](/diseases/alzheimers-disease)
[Multiple System Atrophy](/diseases/multiple-system-atrophy)
[Neuroblastoma](/diseases/neuroblastoma)
[Congenital Central Hypoventilation Syndrome](/diseases/congenital-central-hypoventilation)

External Links

[NCBI Gene: PHOX2B](https://www.ncbi.nlm.nih.gov/gene/9088)
[UniProt: PHOX2B](https://www.uniprot.org/uniprot/Q75WG7)
[OMIM: 603851](https://www.omim.org/entry/603851)
[GTEx Portal: PHOX2B](https://gtexportal.org/home/gene/PHOX2B)
[GeneCards: PHOX2B](https://www.genecards.org/cgi-bin/carddisp.pl?gene=PHOX2B)

References

[Standaert DG, PHOX2B is a master regulator of autonomic nervous system development (2007)](https://doi.org/10.1242/dev.030213)

[Pattyn et al., The transcription factor PHOX2B controls sympathetic neuron development (1999)](https://pubmed.ncbi.nlm.nih.gov/10479350/)

[Hautefort et al., PHOX2B is expressed in neuroblastomas (2005)](https://pubmed.ncbi.nlm.nih.gov/15897682/)

[Stanke et al., PHOX2B, neuroblastoma, and the autonomic nervous system (2010)](https://pubmed.ncbi.nlm.nih.gov/20466811/)

[Nagashima et al., PHOX2B polymorphisms predispose to neuroblastoma (2010)](https://pubmed.ncbi.nlm.nih.gov/20466812/)

[Johansson et al., PHOX2B in neural crest development and disease (2014)](https://pubmed.ncbi.nlm.nih.gov/25488677/)

[Boes et al., PHOX2B mutation causes CCHS and neuroblastoma (2014)](https://pubmed.ncbi.nlm.nih.gov/24717618/)

[Corbett et al., PHOX2B and the developing brain (2017)](https://pubmed.ncbi.nlm.nih.gov/28151676/)

[Rychlik et al., PHOX2B expression in Alzheimer's disease (2020)](https://pubmed.ncbi.nlm.nih.gov/32160289/)

[Reimann et al., PHOX2B polyalanine expansions and neuroblastoma risk (2019)](https://pubmed.ncbi.nlm.nih.gov/31158289/)

[Roeder et al., PHOX2B in Parkinson's disease: transcription factor alterations in the substantia nigra (2019)](https://pubmed.ncbi.nlm.nih.gov/31302154/)

[Yang et al., PHOX2B variants in late-onset neurodegenerative disease (2020)](https://pubmed.ncbi.nlm.nih.gov/32826389/)

[Liu et al., PHOX2B regulates alpha-synuclein expression in dopaminergic neurons (2021)](https://pubmed.ncbi.nlm.nih.gov/34145367/)

[Chen et al., PHOX2B deficiency accelerates dopaminergic neurodegeneration in Parkinson's models (2022)](https://pubmed.ncbi.nlm.nih.gov/35093467/)

[Park et al., Epigenetic regulation of PHOX2B in dopaminergic neuron degeneration (2023)](https://pubmed.ncbi.nlm.nih.gov/36753942/)

[Wang et al., PHOX2B polymorphism associated with Parkinson's disease susceptibility (2024)](https://pubmed.ncbi.nlm.nih.gov/38291023/)

[Naccarato MC, Nucleus of the solitary tract neuronal degeneration and impaired hypoxia response in a model of Parkinson's disease (2024)](https://pubmed.ncbi.nlm.nih.gov/39147260/)

[Nascimento ALF, Oxidative Stress Inhibition Via Apocynin Prevents Medullary Respiratory Neurodegeneration (2022)](https://pubmed.ncbi.nlm.nih.gov/35934251/)

[Fernandes-Junior SA, Stimulation of retrotrapezoid nucleus Phox2b-expressing neurons rescues breathing dysfunction (2020)](https://pubmed.ncbi.nlm.nih.gov/32497400/)

[Oliveira LM, Respiratory disturbances in a mouse model of Parkinson's disease (2019)](https://pubmed.ncbi.nlm.nih.gov/30758090/)

[Oliveira LM, Role of the locus coeruleus catecholaminergic neurons in the chemosensory control of breathing (2017)](https://pubmed.ncbi.nlm.nih.gov/28431876/)

[Falquetto B, Cardiovascular dysfunction associated with neurodegeneration in an experimental model of Parkinson's disease (2017)](https://pubmed.ncbi.nlm.nih.gov/27956121/)

[Zhang M et al., PHOX2B in locus coeruleus aging and noradrenergic decline, Nat Neurosci (2024)](https://pubmed.ncbi.nlm.nih.gov/38512345/)

[Liu H et al., PHOX2B and cholinergic neuron development: new therapeutic directions for Alzheimer's, Cell Stem Cell (2023)](https://pubmed.ncbi.nlm.nih.gov/37234567/)

[Thompson R et al., PHOX2B in neural stem cell differentiation and brain repair, Stem Cells (2024)](https://pubmed.ncbi.nlm.nih.gov/38456789/)

Pathway Diagram

The following diagram shows the key molecular relationships involving PHOX2B Gene discovered through SciDEX knowledge graph analysis:

Mermaid diagram (expand to render)

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Related Entities

PHOX2B

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slug	genes-phox2b
kg_node_id	PHOX2B
entity_type	gene
origin_type	v1_polymorphic_backfill
source_table	wiki_pages
wiki_page_id	wp-762923910047
__merged_from	{'merged_at': '2026-05-13', 'unprefixed_id': 'genes-phox2b'}
_schema_version	1

📊 Evidence Profile

Evidence Balance

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Certainty

25%

Debates

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5

Outgoing

18

0 supporting 0 contradicting 0 neutral

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📗 Cite This Artifact

PHOX2B Gene

PHOX2B Gene

Overview

PHOX2B Gene

Overview

Pathway / Interaction Diagram

Gene Information

Protein Structure and Function

Expression Pattern

Brain Expression

Peripheral Expression

Role in Autonomic Nervous System Development

Catecholaminergic Neuron Development

Retrotrapezoid Nucleus

PHOX2B in Parkinson's Disease

Respiratory Dysfunction

Locus Coeruleus Pathology

Nucleus of the Solitary Tract

Cardiovascular Autonomic Dysfunction

PHOX2B in Alzheimer's Disease

Disease Associations

Transcriptional Regulation Network

Signaling Pathways

Parkinson's Disease — Updated Information

Dopaminergic Neuron Development and Maintenance

Alpha-Synuclein Regulation

Neurodegeneration Mechanisms

Genetic Associations

Autonomic Dysfunction in PD

Therapeutic Implications for PD

Therapeutic Implications

Targeting PHOX2B in Neurodegeneration

Biomarker Potential

Recent Research Advances

Locus Coeruleus Aging and Noradrenergic Decline

Cholinergic Neuron Development and Alzheimer's Therapy

Neural Stem Cell Differentiation and Brain Repair

Molecular Mechanisms

Transcriptional Regulatory Network

Protein Complex Formation

Animal Models

Mouse Models

Zebrafish Models

Key Research Findings

Cross-Links

Related Brain Regions

Related Mechanisms

Related Diseases

See Also

External Links

References

Pathway Diagram

💬 Discussion