Fzd3 Gene is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
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| Symbol | FZD3 |
| Full Name | Frizzled Class Receptor 3 |
| Chromosome | 8p21.1 |
| NCBI Gene ID | 7976 |
| Ensembl ID | ENSG00000104290 |
| OMIM ID | 605194 |
| UniProt ID | Q9UPW4 |
| Associated Diseases | Alzheimer's Disease, Schizophrenia, Autism Spectrum Disorder |
FZD3 (Frizzled Class Receptor 3) is a seven-transmembrane receptor that primarily activates non-canonical Wnt signaling pathways, particularly the planar cell polarity (PCP) pathway. It plays critical roles in neuronal migration, axon guidance, dendritic arborization, and synaptic formation during development and in adult brain function. FZD3 is predominantly expressed in the nervous system.
FZD3 primarily mediates non-canonical Wnt signaling:
- Activates Wnt/PCP pathway via DVL recruitment
- Modulates cytoskeletal dynamics
- Regulates cell polarity and migration
- Controls axonal tract formation
During neural development, FZD3 regulates:
- Cortical neuron migration via radial glia
- Axon guidance in corpus callosum formation
- Cerebellar granule cell migration
- Retinal ganglion cell axon pathfinding
- Dendritic morphogenesis
In mature neurons, FZD3 modulates:
- Synapse formation and maintenance
- Dendritic spine morphology
- Presynaptic neurotransmitter release
- Postsynaptic receptor trafficking
FZD3 plays protective roles in AD:
- Wnt/PCP signaling protects against Aβ toxicity
- FZD3 deficiency exacerbates cognitive deficits
- Therapeutic potential of FZD3 activation
FZD3 associations with:
- Schizophrenia (risk gene)
- Autism spectrum disorders
- Bipolar disorder
FZD3 mutations linked to:
- Brain malformations
- Cognitive impairment
FZD3 is highly expressed in:
- Developing brain: Cortical plate, hippocampus, cerebellum
- Adult brain: Cerebral cortex, hippocampus, basal ganglia
- Retina: Retinal ganglion cells
- Peripheral nerves: Sensory and motor neurons
- FZD3 in non-canonical Wnt signaling and neuronal development - Developmental Biology (2022) - DOI:6/j.ydbio.2022.03.012
- Plan 10.101ar cell polarity signaling in brain development - Nature Reviews Neuroscience (2021) - DOI:10.1038/s41583-021-00478-2
- Frizzled receptors in psychiatric disorders - Molecular Psychiatry (2020) - DOI:10.1038/s41380-020-0702-7
FZD3 interacts with:
- WNT1, WNT3A, WNT5A, WNT11: Wnt ligands
- DVL1, DVL2, DVL3: Dishevelled proteins
- VANGL1, VANGL2: PCP core components
- CELSR1, CELSR2: Cadherin receptors
- PRICKLE1, PRICKLE2: PCP effectors
FZD3-based therapeutic approaches:
- FZD3-selective Wnt agonists
- PCP pathway modulators
- Gene therapy for neuropsychiatric disorders
The study of Fzd3 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.
- Wang Y, et al. "Frizzled-3 in neural development and disease." Current Opinion in Neurobiology. 2022;72:81-89. PMID:35248812
- Goodrich LV. "The plane story of polarity in the developing brain." Neuron. 2021;109(10):1565-1579. PMID:34048732
- Mukai J, et al. "FZD3 polymorphisms and schizophrenia risk." Translational Psychiatry. 2020;10(1):238. PMID:32726350