SYNGR1 Gene
Introduction
<table class="infobox infobox-gene">
<tr>
<th class="infobox-header" colspan="2">SYNGR1 Gene</th>
</tr>
<tr>
<td class="label">Symbol</td>
<td>SYNGR1</td>
</tr>
<tr>
<td class="label">Full name</td>
<td>Synaptogyrin 1</td>
</tr>
<tr>
<td class="label">Chromosome</td>
<td>22q12-q13 region</td>
</tr>
<tr>
<td class="label">NCBI Gene</td>
<td>[SYNGR1 Gene](https://www.ncbi.nlm.nih.gov/gene/9145)</td>
</tr>
<tr>
<td class="label">OMIM</td>
<td>[603171](https://www.omim.org/entry/603171)</td>
</tr>
<tr>
<td class="label">Ensembl</td>
<td>[ENSG00000185499](https://www.ensembl.org/Homo_sapiens/Gene/Summary?g=ENSG00000185499)</td>
</tr>
<tr>
<td class="label">Encoded protein</td>
<td>[SYNGR1 Protein](/proteins/syngr1-protein)</td>
</tr>
<tr>
<td class="label">Related pathways</td>
<td>[Synaptic Vesicle Trafficking](/mechanisms/synaptic-vesicle-trafficking), [Protein Aggregation](/mechanisms/protein-aggregation)</td>
</tr>
<tr>
<td class="label">Associated Diseases</td>
<td><a href="/wiki/als" style="color:#ef9a9a">ALS</a>, <a href="/wiki/als" style="color:#ef9a9a">Als</a>, <a href="/wiki/bipolar" style="color:#ef9a9a">Bipolar</a>, <a href="/wiki/depression" style="color:#ef9a9a">Depression</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">52 edges</a></td>
</tr>
</table>
Syngr1 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.
Overview
Mermaid diagram (expand to render)
SYNGR1 encodes synaptogyrin-1, a major integral membrane component of synaptic vesicles. Synaptogyrin family proteins are involved in vesicle biogenesis, vesicle-pool organization, and the efficiency of neurotransmitter release under repetitive activity.[@hubler2004][@takamori2006] In [neurons](/entities/neurons), SYNGR1 is part of a broader presynaptic module that includes [Synaptophysin](/proteins/synaptophysin-protein), [VAMP2](/proteins/vamp2-protein), [RAB3A](/proteins/rab3a-protein), and active-zone scaffolds such as [RIM1](/proteins/rim1-protein).[@takamori2006][@sudhof2004]
Although SYNGR1 is not among the highest-confidence Mendelian neurodegeneration genes, its biology sits in pathways that are repeatedly disrupted in [Alzheimer's disease](/diseases/alzheimers-disease), [Parkinson's disease](/diseases/parkinsons-disease), and related proteinopathy syndromes that feature early synaptic dysfunction.[@selkoe2002][@de2016]
Molecular Function
SYNGR1 contributes to presynaptic function through membrane-level vesicle control rather than catalytic signaling.[@hubler2004][@takamori2006]
Vesicle membrane organization: synaptogyrin-1 shapes local lipid-protein organization in small clear vesicles.[@hubler2004]
Release efficiency tuning: SYNGR1 influences release probability and short-term synaptic responses during sustained firing.[@takamori2006][@sudhof2004]
Coordination with vesicle proteins: it cooperates with synaptophysin/synaptobrevin modules that determine vesicle availability and recycling kinetics.[@takamori2006][@kwon2011]These effects are strongest in fast-spiking and highly active neuronal circuits where vesicle turnover capacity determines information throughput.[@takamori2006][@sudhof2004]
Disease-Relevant Context
Alzheimer's Disease
A key feature of [Alzheimer's disease](/diseases/alzheimers-disease) is early synaptic compromise before substantial neuronal loss.[@selkoe2002][@de2016] Because SYNGR1 is embedded in presynaptic vesicle machinery, altered abundance or stoichiometry of synaptogyrin-containing vesicles is interpreted as part of this early synapse pathology signature.[@selkoe2002][@de2016]
Parkinson's Disease and Lewy-Body Disorders
In [Parkinson's disease](/diseases/parkinsons-disease), presynaptic vesicle handling and [alpha-synuclein](/proteins/alpha-synuclein) stress are tightly linked.[@bendor2013][@bridi2018] SYNGR1 is mechanistically relevant because perturbations in vesicle membrane proteins can shift dopamine terminal resilience and recycling capacity under stress.[@bendor2013][@bridi2018]
ALS/FTD Spectrum
For [ALS](/diseases/amyotrophic-lateral-sclerosis) and [frontotemporal dementia](/diseases/frontotemporal-dementia), synaptic dysfunction and altered RNA/protein homeostasis intersect with vesicle biology.[@fogarty2019] SYNGR1 is best viewed as a pathway component that can report or modify presynaptic state in vulnerable motor and cortical circuits.[@fogarty2019]
Translational and Experimental Utility
SYNGR1 is useful for presynaptic phenotyping in disease models:
- In induced-neuron systems, SYNGR1 abundance and localization can be used alongside [SYP](/genes/synaptophysin) and [SNAP25](/genes/snap25) markers to quantify vesicle pathology.[@takamori2006][@de2016]
- In tissue proteomics, SYNGR1-containing signatures can help separate early synaptic decline from late neuronal loss phenotypes.[@selkoe2002][@de2016]
- In mechanistic studies, SYNGR1 links to pages on [RIM1 Gene](/genes/rim1), [UNC13A Gene](/genes/unc13a), and [Synaptic Loss](/mechanisms/synaptic-loss) for network-level causal mapping.
See Also
- [SYNGR1 Protein](/proteins/syngr1-protein)
- [RIM1 Gene](/genes/rim1)
- [Synaptophysin Gene](/genes/synaptophysin)
- [VAMP2 Gene](/genes/vamp2)
- [Synaptic Vesicle Trafficking](/mechanisms/synaptic-vesicle-trafficking)
- [Alzheimer's Disease](/diseases/alzheimers-disease)
- [Parkinson's Disease](/diseases/parkinsons-disease)
Background
The study of Syngr1 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.
External Links
- [PubMed](https://pubmed.ncbi.nlm.nih.gov/) - Biomedical literature
- [Alzheimer's Disease Neuroimaging Initiative](https://adni.loni.usc.edu/) - Research data
- [Allen Brain Atlas](https://brain-map.org/) - Brain gene expression data
References
[Hubler D, Rankovic M, Richter K, et al, Differential expression of synaptogyrins and synaptophysin in the adult rat central nervous system (2004)](https://pubmed.ncbi.nlm.nih.gov/15126693/)
[Takamori S, Holt M, Stenius K, et al, Molecular anatomy of a trafficking organelle (2006)](https://pubmed.ncbi.nlm.nih.gov/16738565/)
[Sudhof TC, Neurotransmitter release: the last millisecond in the life of a synaptic vesicle (2004)](https://pubmed.ncbi.nlm.nih.gov/12594457/)
[Selkoe DJ, Alzheimer's disease is a synaptic failure (2002)](https://pubmed.ncbi.nlm.nih.gov/12408899/)
[de Wilde MC, Overk CR, Sijben JW, Masliah E, Meta-analysis of synaptic pathology in Alzheimer's disease reveals selective molecular vesicular machinery vulnerability (2016)](https://pubmed.ncbi.nlm.nih.gov/21756992/)
[Kwon SE, Chapman ER, Synaptophysin regulates the kinetics of synaptic vesicle endocytosis in central neurons (2011)](https://pubmed.ncbi.nlm.nih.gov/23739964/)
[Bendor JT, Logan TP, Edwards RH, The function of alpha-synuclein (2013)](https://pubmed.ncbi.nlm.nih.gov/25887616/)
[Bridi JC, Hirth F, Mechanisms of alpha-synuclein induced synaptopathy in Parkinson's disease (2018)](https://pubmed.ncbi.nlm.nih.gov/29054301/)
[Fogarty MJ, Driven to decay: excitability and synaptic abnormalities in amyotrophic lateral sclerosis (2019)](https://pubmed.ncbi.nlm.nih.gov/30359667/)Pathway Diagram
The following diagram shows the key molecular relationships involving SYNGR1 Gene discovered through SciDEX knowledge graph analysis:
Mermaid diagram (expand to render)