WNT10B Gene

title: WNT10B Gene

WNT10B Gene

Overview

WNT10B (Wingless-Type MMTV Integration Site Family Member 10B), also known as WNT-12, is a protein-coding gene encoding a secreted signaling molecule critical for embryonic development, tissue homeostasis, and cellular differentiation. It belongs to the Wnt gene family, which encodes evolutionarily conserved proteins involved in cell-to-cell communication[@wang2015].

Gene Information

<div class="infobox infobox-gene">

| Property | Value |
|----------|-------|
| Gene Symbol | WNT10B |
| Gene Name | Wingless-Type MMTV Integration Site Family Member 10B |
| Aliases | WNT-12, SKT3 |
| Chromosomal Location | 12q13.12 |
| NCBI Gene ID | 7480 |
| OMIM ID | 605397 |
| UniProt ID | Q9Y5Q1 |
| Ensembl ID | ENSG00000169884 |
| Gene Type | Protein Coding |

</div>

Protein Structure

WNT10B is a secreted glycoprotein (~42 kDa) with characteristic Wnt family features:

• Signal peptide: N-terminal 25-30 amino acids for secretion
• Wnt domain: Conserved ~350 amino acid signaling domain
• 12 conserved cysteine residues: Form disulfide bonds
• Lipid modification: C-terminal palmitoylation (Cys-104)

The protein is secreted as a lipoglycoprotein and acts as a short-range signaling molecule[@macdonald2009].

Biological Functions

Development

• Embryonic axis specification
• Limb bud development
• Tooth development
• Hair follicle morphogenesis

Cellular Processes

• Cell proliferation and differentiation
• Cell fate determination
• Cell polarity establishment
• Stem cell regulation

...

title: WNT10B Gene

WNT10B Gene

Overview

WNT10B (Wingless-Type MMTV Integration Site Family Member 10B), also known as WNT-12, is a protein-coding gene encoding a secreted signaling molecule critical for embryonic development, tissue homeostasis, and cellular differentiation. It belongs to the Wnt gene family, which encodes evolutionarily conserved proteins involved in cell-to-cell communication[@wang2015].

Gene Information

<div class="infobox infobox-gene">

| Property | Value |
|----------|-------|
| Gene Symbol | WNT10B |
| Gene Name | Wingless-Type MMTV Integration Site Family Member 10B |
| Aliases | WNT-12, SKT3 |
| Chromosomal Location | 12q13.12 |
| NCBI Gene ID | 7480 |
| OMIM ID | 605397 |
| UniProt ID | Q9Y5Q1 |
| Ensembl ID | ENSG00000169884 |
| Gene Type | Protein Coding |

</div>

Protein Structure

WNT10B is a secreted glycoprotein (~42 kDa) with characteristic Wnt family features:

• Signal peptide: N-terminal 25-30 amino acids for secretion
• Wnt domain: Conserved ~350 amino acid signaling domain
• 12 conserved cysteine residues: Form disulfide bonds
• Lipid modification: C-terminal palmitoylation (Cys-104)

The protein is secreted as a lipoglycoprotein and acts as a short-range signaling molecule[@macdonald2009].

Biological Functions

Development

• Embryonic axis specification
• Limb bud development
• Tooth development
• Hair follicle morphogenesis

Cellular Processes

• Cell proliferation and differentiation
• Cell fate determination
• Cell polarity establishment
• Stem cell regulation

Nervous System

• Neural tube patterning
• Neuronal differentiation
• Synapse formation
• Myelination

Expression Pattern

WNT10B shows tissue-specific expression:

• High: Embryonic tissues, developing brain
• Moderate: Adult brain, bone, teeth
• Low: Most adult tissues

In the adult brain, WNT10B is expressed in:

• Hippocampal [neurons](/entities/neurons)
• Cortical pyramidal neurons
• Cerebellar Purkinje cells

Role in Neurodegeneration

Alzheimer's Disease

WNT10B signaling alterations are implicated in AD pathogenesis:

β-catenin dysregulation: Canonical Wnt signaling is disrupted

Amyloid-β interaction: Wnt activation can reduce [Aβ](/proteins/amyloid-beta) toxicity

Synaptic dysfunction: Loss of Wnt signaling affects synaptic proteins

[Tau](/proteins/tau) pathology: Cross-talk between Wnt and tau pathways[@zhang2015]

Parkinson's Disease

WNT10B may influence PD through:

• Protection of dopaminergic neurons
• Mitochondrial function modulation
• [Autophagy](/entities/autophagy) regulation

Amyotrophic Lateral Sclerosis (ALS)

Evidence suggests WNT10B involvement in:

• Motor neuron survival
• Glial cell function
• Protein aggregation pathways

Therapeutic Potential

Target Rationale

WNT10B pathway modulation offers therapeutic opportunities:

Wnt pathway agonists: Enhance neuroprotection

Small molecule modulators: Fine-tune signaling

Gene therapy: Increase WNT10B expression

Preclinical Studies

Animal models show:

• WNT10B overexpression protects against neurodegeneration
• Wnt pathway activation improves cognitive function
• Combination approaches show promise

Interacting Proteins

| Protein | Interaction Type | Pathway |
|---------|------------------|---------|
| FZD1-10 | Receptor | All pathways |
| LRP5/6 | Co-receptor | Canonical |
| DVL1-3 | Signal transduction | Downstream |
| β-catenin | Transcription factor | Canonical |
| [GSK-3β](/entities/gsk3-beta) | Kinase | Regulation |

See Also

• [Wnt Signaling Pathway](/mechanisms/wnt-signaling-pathway) — Wnt pathway
• [Alzheimer's Disease](/diseases/alzheimers-disease) — AD overview
• [Parkinson's Disease](/diseases/parkinsons-disease) — PD overview
• [Synaptic Plasticity](/mechanisms/synaptic-plasticity) — Synapse function

External Links

• [NCBI Gene - WNT10B](https://www.ncbi.nlm.nih.gov/gene/7480)
• [UniProt - Q9Y5Q1](https://www.uniprot.org/uniprot/Q9Y5Q1)
• [Ensembl - ENSG00000169884](https://www.ensembl.org/Homo_sapiens/Gene/Summary?g=ENSG00000169884)
• [GeneCards - WNT10B](https://www.genecards.org/cgi-bin/carddisp.pl?gene=WNT10B)

References

[Wang J et al, Wnt10b participates in the regulation of cell proliferation and apoptosis in the spinal cord (2015)](https://pubmed.ncbi.nlm.nih.gov/25388969/)

[MacDonald BT et al, Wnt/β-catenin signaling: components, mechanisms, and diseases (2009)](https://pubmed.ncbi.nlm.nih.gov/19389155/)

[Zhang X et al, Wnt signaling and Alzheimer's disease: a close connection (2015)](https://pubmed.ncbi.nlm.nih.gov/26240053/)