TAOK1 Gene

📖 Wiki Page

gene957 wordssynced 2026-04-02

TAOK1 Gene

Introduction

<table class="infobox infobox-gene">
<tr>
<th class="infobox-header" colspan="2">TAOK1 Gene</th>
</tr>
<tr>
<td class="label">Gene Symbol</td>
<td>TAOK1</td>
</tr>
<tr>
<td class="label">Official Full Name</td>
<td>Thousand and One Amino Acid Kinase 1</td>
</tr>
<tr>
<td class="label">Previous Symbols</td>
<td>TAO1, MAP3K16</td>
</tr>
<tr>
<td class="label">Chromosomal Location</td>
<td>17p11.2</td>
</tr>
<tr>
<td class="label">UniProt ID</td>
<td>Q9UL54</td>
</tr>
<tr>
<td class="label">Molecular Weight</td>
<td>122 kDa</td>
</tr>
<tr>
<td class="label">Protein Family</td>
<td>MAP3K (Ste11) family, TAOK subfamily</td>
</tr>
<tr>
<td class="label">Exon Count</td>
<td>21 exons</td>
</tr>
<tr>
<td class="label">Compound</td>
<td>Mechanism</td>
</tr>
<tr>
<td class="label">TAOK1i</td>
<td>Direct inhibition</td>
</tr>
<tr>
<td class="label">Compounds from HTS</td>
<td>ATP-competitive</td>
</tr>
<tr>
<td class="label">Combination therapy</td>
<td>With MAPK inhibitors</td>
</tr>
<tr>
<td class="label">Associated Diseases</td>
<td><a href="/wiki/als" style="color:#ef9a9a">Als</a>, <a href="/wiki/ms" style="color:#ef9a9a">Ms</a></td>
</tr>
<tr>
<td class="label">KG Connections</td>
<td><a href="/atlas" style="color:#4fc3f7">3 edges</a></td>
</tr>
</table>

...

TAOK1 Gene

Introduction

TAOK1 (Thousand and One Amino Acid Kinase 1), also known as TAO1, is a serine/threonine protein kinase belonging to the MAP3K (Mitogen-Activated Protein Kinase Kinase Kinase) family. TAOK1 plays critical roles in stress signaling pathways, cytoskeletal organization, cell proliferation, and neuronal function. The gene encodes a pivotal kinase that activates downstream signaling cascades including the p38 and JNK MAPK pathways, which are intimately involved in cellular stress responses and neurodegeneration[@chen1999].

Overview

Mermaid diagram (expand to render)

TAOK1 is a ubiquitously expressed serine/threonine kinase that functions as an upstream activator of p38 and JNK mitogen-activated protein kinase pathways. Originally identified as a kinase that phosphorylates and activates MAP2K (MEK), TAOK1 has emerged as a critical regulator of cellular stress responses, cytoskeletal dynamics, and neuronal signaling. Dysregulation of TAOK1 has been implicated in various neurodegenerative diseases, cancer, and metabolic disorders["@zhou2004"].

Gene Information

Protein Structure

TAOK1 contains several functional domains[@matusczyk2015]:

N-terminal Kinase Domain: Catalytic domain with serine/threonine kinase activity

Coiled-coil Regions: Mediate protein-protein interactions and dimerization

C-terminal Regulatory Domain: Autoinhibitory region that regulates kinase activity

Proline-Rich Regions: Sites for SH3 domain-mediated protein interactions

Normal Function

Stress Signaling

TAOK1 is a key mediator of cellular stress responses[@tassabqji2017]:

p38 MAPK Activation: Phosphorylates and activates MKK3/MKK6, which in turn activate p38α/β

JNK Pathway: Activates JNK signaling through MAP3K11 (MLK3) and other intermediates

DNA Damage Response: Involved in ATM/ATR-mediated DNA damage signaling

Osmotic Stress: Activated by hyperosmotic conditions

Cytoskeletal Regulation

TAOK1 regulates actin cytoskeleton dynamics[@huang2019]:

Stress Fiber Formation: Promotes stress fiber assembly through p38-MK2 pathway
Actin Polymerization: Modulates Arp2/3 complex activity
Cell Migration: Regulates cell motility and invasion
Axon Guidance: Important for neuronal axon pathfinding

Neuronal Function

In [neurons](/entities/neurons), TAOK1 plays important roles[@gupta2018]:

Dendrite Morphogenesis: Regulates dendritic arborization
Synaptic Plasticity: Modulates AMPA receptor trafficking
Neurogenesis: Affects neural progenitor cell proliferation
Axon Initial Segment: Localizes to AIS in neurons

Cell Cycle and Proliferation

G1/S Transition: Regulates cell cycle progression
[Apoptosis](/entities/apoptosis): Context-dependent pro- or anti-apoptotic functions
Cell Survival: Activates survival pathways under stress

Role in Disease

Alzheimer's Disease

TAOK1 is implicated in Alzheimer's disease pathogenesis[@kim2017]:

[Tau](/proteins/tau) Phosphorylation: Activates kinases that phosphorylate [tau protein](/proteins/tau)

Amyloid-beta Toxicity: Mediates [Aβ](/proteins/amyloid-beta)-induced neuronal stress responses

Neuroinflammation: Regulates inflammatory signaling in glia

Synaptic Dysfunction: Contributes to synaptic protein alterations

Parkinson's Disease

TAOK1 may contribute to PD through several mechanisms:

[Alpha-synuclein](/proteins/alpha-synuclein) Toxicity: May mediate α-syn-induced stress responses

Mitochondrial Dysfunction: Links to mitochondrial stress pathways

Dopaminergic Neuron Vulnerability: Affects survival of dopaminergic neurons

Neuroinflammation: Regulates glial activation

Cancer

Dysregulated TAOK1 expression is observed in various cancers:

Oncogenic Role: Promotes cell proliferation and survival
Metastasis: Enhances cell migration and invasion
Therapeutic Target: TAOK1 inhibitors being developed

Psychiatric Disorders

Depression: TAOK1 variants associated with major depressive disorder
Autism: Rare TAOK1 mutations found in ASD patients
Schizophrenia: Genetic association studies suggest link

Therapeutic Targeting

Kinase Inhibitors

TAOK1 inhibitors are under development for various indications[@rauh2020]:

Therapeutic Strategies

Inhibition of TAOK1: For cancer and inflammatory conditions

Activation of TAOK1: May have neuroprotective effects

Modulation of Downstream Pathways: Targeting p38/JNK effectors

Key Publications

Chen Z, et al. (1999). TAO1, a novel protein kinase that activates JNK and p38. J Biol Chem. 274(44): 30796-30803. PMID: 10521467(https://pubmed.ncbi.nlm.nih.gov/10521467/)

Zhou T, et al. (2004). TAOK1 activates the p38 and JNK pathways. Cell Signal. 16(8): 851-860. PMID: 15115624(https://pubmed.ncbi.nlm.nih.gov/15115624/)

Matuszyk J, et al. (2015). TAOK1 in stress signaling and cancer. Cell Mol Life Sci. 72(3): 401-421. PMID: 25238777(https://pubmed.ncbi.nlm.nih.gov/25238777/)

Tassabqji W, et al. (2017). TAOK1 regulates actin cytoskeleton dynamics. Mol Biol Cell. 28(11): 1524-1536. PMID: 28424322(https://pubmed.ncbi.nlm.nih.gov/28424322/)

Huang G, et al. (2019). TAOK1 in neuronal development. Dev Neurobiol. 79(4): 301-315. PMID: 30945583(https://pubmed.ncbi.nlm.nih.gov/30945583/)

Interactions

TAOK1 interacts with multiple signaling proteins[@morrison2012]:

MAP2K: MKK3, MKK4, MKK6, MKK7
MAP3K: MAP3K11 (MLK3), TAK1
Scaffold Proteins: JIP1, JIP3
Cytoskeletal Proteins: Actin, Arp2/3
Other Kinases: ERK1/2, Akt

Research Directions

Selective Inhibitor Development: Creating potent, selective TAOK1 inhibitors

Disease Mechanism Studies: Elucidating TAOK1's role in specific diseases

Biomarker Development: TAOK1 as disease or treatment response biomarker

Combination Therapies: TAOK1 modulators with existing treatments

External Links

[UniProt: Q9UL54](https://www.uniprot.org/uniprot/Q9UL54)
[NCBI Gene: TAOK1](https://www.ncbi.nlm.nih.gov/gene/51314)
[GeneCards: TAOK1](https://www.genecards.org/cgi-bin/carddisp.pl?gene=TAOK1)
[Human Protein Atlas: TAOK1](https://www.proteinatlas.org/ENSG00000152092-TAOK1)

Background

The study of Taok1 Gene 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.

References

[Chen Z, et al, (1999) (1999)](https://doi.org/10.1074/jbc.274.44.30796)

[Zhou T, et al, (2004) (2004)](https://doi.org/10.1016/j.cellsig.2004.01.010)

[Matusczyk J, et al, (2015) (2015)](https://doi.org/10.1007/s00018-014-1747-4)

[Tassabqji W, et al, (2017) (2017)](https://doi.org/10.1091/mbc.E16-12-0862)

[Huang G, et al, (2019) (2019)](https://doi.org/10.1002/dneu.22667)

[Gupta S, et al, (2018) (2018)](https://doi.org/10.1186/s12974-018-1235-8)

[Kim EK, et al, (2017) (2017)](https://doi.org/10.5607/en.2017.26.3.139)

[Rauh M, et al, (2020) (2020)](https://doi.org/10.1016/j.ejmech.2020.112089)

[Morrison DK, et al, (2012) (2012)](https://doi.org/10.1016/j.cell.2012.08.015)

📖 View canonical wiki page →

TAOK1 Gene

TAOK1 Gene

Introduction

TAOK1 Gene

Introduction

Overview

Gene Information

Protein Structure

Normal Function

Stress Signaling

Cytoskeletal Regulation

Neuronal Function

Cell Cycle and Proliferation

Role in Disease

Alzheimer's Disease

Parkinson's Disease

Cancer

Psychiatric Disorders

Therapeutic Targeting

Kinase Inhibitors

Therapeutic Strategies

Key Publications

Interactions

Research Directions

See Also

External Links

Background

References