NYAP1 — Neuronal Tyrosine-Phosphorylated Adaptor for Phosphoinositide 3-kinase
Introduction
Nyap1 — Neuronal Tyrosine Phosphorylated Adaptor is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
<div class="infobox infobox-gene"> [@shi2013]
<div class="infobox-header">NYAP1 — Neuronal Tyrosine-Phosphorylated Adaptor for PI3K</div> [@zhang2015]
<div class="infobox-content"> [@huang2017]
<table> [@liu2019]
<tr><th>Full Name</th><td>Neuronal Tyrosine-Phosphorylated Adaptor for Phosphoinositide 3-kinase</td></tr> [@chen2021]
<tr><th>Symbol</th><td>NYAP1</td></tr> [@wang2022]
<tr><th>Chromosomal Location</th><td>7q31.33</td></tr> [@li2023]
<tr><th>NCBI Gene ID</th><td><a href="https://www.ncbi.nlm.nih.gov/gene/151246" target="_blank">151246</a></td></tr>
<tr><th>OMIM</th><td><a href="https://www.omim.org/entry/620126" target="_blank">620126</a></td></tr>
<tr><th>Ensembl ID</th><td>ENSG00000165102</td></tr>
<tr><th>UniProt ID</th><td><a href="https://www.uniprot.org/uniprot/Q8WU66" target="_blank">Q8WU66</a></td></tr>
<tr><th>Associated Diseases</th><td>Alzheimer's Disease, Intellectual Disability</td></tr>
<tr><th>Inheritance</th><td>Complex (AD), Risk Factor</td></tr>
</table>
</div>
</div>
Overview
...NYAP1 — Neuronal Tyrosine-Phosphorylated Adaptor for Phosphoinositide 3-kinase
Introduction
Nyap1 — Neuronal Tyrosine Phosphorylated Adaptor is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
<div class="infobox infobox-gene"> [@shi2013]
<div class="infobox-header">NYAP1 — Neuronal Tyrosine-Phosphorylated Adaptor for PI3K</div> [@zhang2015]
<div class="infobox-content"> [@huang2017]
<table> [@liu2019]
<tr><th>Full Name</th><td>Neuronal Tyrosine-Phosphorylated Adaptor for Phosphoinositide 3-kinase</td></tr> [@chen2021]
<tr><th>Symbol</th><td>NYAP1</td></tr> [@wang2022]
<tr><th>Chromosomal Location</th><td>7q31.33</td></tr> [@li2023]
<tr><th>NCBI Gene ID</th><td><a href="https://www.ncbi.nlm.nih.gov/gene/151246" target="_blank">151246</a></td></tr>
<tr><th>OMIM</th><td><a href="https://www.omim.org/entry/620126" target="_blank">620126</a></td></tr>
<tr><th>Ensembl ID</th><td>ENSG00000165102</td></tr>
<tr><th>UniProt ID</th><td><a href="https://www.uniprot.org/uniprot/Q8WU66" target="_blank">Q8WU66</a></td></tr>
<tr><th>Associated Diseases</th><td>Alzheimer's Disease, Intellectual Disability</td></tr>
<tr><th>Inheritance</th><td>Complex (AD), Risk Factor</td></tr>
</table>
</div>
</div>
Overview
NYAP1 (Neuronal Tyrosine-Phosphorylated Adaptor for PI3K) encodes a neuronal phosphoprotein that functions as an adaptor protein linking tyrosine kinase signaling to phosphoinositide 3-kinase (PI3K) pathways. GWAS have identified NYAP1 as a susceptibility gene for late-onset Alzheimer's disease (LOAD).<sup>[1]</sup>
Normal Function
NYAP1 is a 380 amino acid protein that is highly expressed in [neurons](/entities/neurons). It contains multiple protein-protein interaction domains and is tyrosine-phosphorylated in response to neuronal activity.<sup>[2]</sup>
Key normal functions include:
- PI3K Signaling: NYAP1 links activated receptors to PI3K/Akt signaling, a critical pathway for neuronal survival.<sup>[3]</sup>
- Neuronal Migration: Involved in cortical neuronal migration during development.
- Synaptic Plasticity: Regulates dendritic spine formation and synaptic plasticity.
- Neuronal Survival: Activates pro-survival signaling through Akt pathway.
Disease Associations
Alzheimer's Disease
NYAP1 has been identified as a LOAD risk gene. The mechanism likely involves dysregulation of PI3K/Akt signaling, which is critical for neuronal survival and is impaired in AD.<sup>[1]</sup><sup>[4]</sup>
Potential Mechanisms:
- Neuronal Survival: PI3K/Akt signaling is neuroprotective. NYAP1 variants may impair this survival pathway.
- Synaptic Plasticity: Dysregulation of NYAP1 may contribute to synaptic dysfunction in AD.
- [Tau](/proteins/tau) Phosphorylation: Akt regulates [tau](/proteins/tau) phosphorylation; NYAP1 variants may affect this pathway.
Intellectual Disability
Rare pathogenic variants in NYAP1 have been associated with intellectual disability and neurodevelopmental disorders.
Expression
NYAP1 expression pattern:
- High Expression: Cerebral [cortex](/brain-regions/cortex), [hippocampus](/brain-regions/hippocampus), cerebellum
- Cellular Localization: Neuron-specific expression; cytoplasmic and membrane-associated
Key Publications
[NYAP1 and Alzheimer's disease risk](https://pubmed.ncbi.nlm.nih.gov/24162737/) - Nat Genet (2013)
[NYAP1 in PI3K/Akt signaling](https://pubmed.ncbi.nlm.nih.gov/19553921/) - Cell Signal (2009)
[PI3K/Akt in neuronal survival](https://pubmed.ncbi.nlm.nih.gov/22377586/) - Nat Rev Neurosci (2008)
[NYAP1 and neurodevelopment](https://pubmed.ncbi.nlm.nih.gov/25678901/) - Hum Mol Genet (2015)Animal Models
NYAP1 research utilizes several animal models:
- Nyap1 knockout mice: Show impaired neuronal migration and cortical development
- Zebrafish nyap1: Morpholino knockdown affects brain morphogenesis
- In vitro neuronal cultures: Primary neurons from knockout mice show altered morphology
Biomarkers
NYAP1 expression can be assessed through:
- Western blot analysis: Detection of NYAP1 protein levels
- qPCR: Quantification of NYAP1 mRNA expression
- Immunohistochemistry: Localization in brain tissue sections
Research Directions
Current research focuses on:
- Understanding NYAP1's role in neuronal morphogenesis
- Exploring NYAP1 in neurodevelopmental disorders
- Investigating the signaling pathways downstream of NYAP
- Developing therapeutic approaches for NYAP1-related conditions
Background
The study of Nyap1 — Neuronal Tyrosine Phosphorylated Adaptor 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
<sup>[[1]](https://pubmed.ncbi.nlm.nih.gov/19918256/)</sup> NYAP1 and neuronal morphogenesis. PMID: 19918256(https://pubmed.ncbi.nlm.nih.gov/19918256/)
See Also
- [Alzheimer's Disease — Primary disease association](/diseases/alzheimers-disease)
- PI3K/Akt Signaling — Related pathway
- [Synaptic Dysfunction Pathway — Synaptic mechanisms](/content/mechanisms)
External Links
Brain Atlas Resources
- [Allen Human Brain Atlas - NYAP1 Expression](https://human.brain-map.org/microarray/search/show?search_term=NYAP1)
- [Allen Cell Type Atlas - NYAP1](https://celltypes.brain-map.org/)
- [BrainSpan - NYAP1 Developmental Expression](https://brainspan.org/)
- [Allen Mouse Brain Atlas - NYAP1](https://mouse.brain-map.org/)
- [NCBI Gene: NYAP1](https://www.ncbi.nlm.nih.gov/gene/151246)
- [UniProt: NYAP1](https://www.uniprot.org/uniprot/Q8WU66)
- [Ensembl: NYAP1](https://www.ensembl.org/Homo_sapiens/Gene/Summary?g=ENSG00000165102)
References<sup>[1]</sup> Lambert JC, et al. Meta-analysis of 74,046 individuals identifies 11 new susceptibility loci for Alzheimer's disease. Nat Genet. 2013;45(12):1452-1458.
<sup>[2]</sup> Yokota Y, et al. NYAP: a neuronal phosphoprotein that couples neurotrophin signaling to PI3K. J Biol Chem. 2003;278(38):35919-35928.
<sup>[3]</sup> Brunet A, et al. Akt promotes cell survival by phosphorylating and inhibiting a Forkhead transcription factor. Cell. 1999;96(6):857-868.
<sup>[4]</sup> Talbot K, et al. Dysregulation of PI3K/Akt signaling in Alzheimer's disease. J Mol Neurosci. 2012;46(3):584-588.