SORLA Gene

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SORLA Gene

Introduction

Sorla 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.

Sortilin-Related Receptor 1 (SORLA) [@willnow2011]

<div class="infobox infobox-gene"> [@andersen2015]
<table> [@young2018]
<tr><th>Gene Symbol</th><td>SORLA (also SORT1)</td></tr>
<tr><th>Full Name</th><td>Sortilin Related Receptor 1</td></tr>
<tr><th>Chromosomal Location</th><td>11q13.4</td></tr>
<tr><th>NCBI Gene ID</th><td>6652</td></tr>
<tr><th>OMIM</th><td>602214</td></tr>
<tr><th>Ensembl ID</th><td>ENSG00000140337</td></tr>
<tr><th>UniProt ID</th><td>Q9Y6X7</td></tr>
<tr><th>Associated Diseases</th><td>Alzheimer's Disease, Amyotrophic Lateral Sclerosis</td></tr>
</table>
</div>

SORLA Gene

<div class="infobox infobox-gene">
<table>
<tr><th>Gene Symbol</th><td>SORLA (also SORT1)</td></tr>
<tr><th>Full Name</th><td>Sortilin Related Receptor 1</td></tr>
<tr><th>Chromosomal Location</th><td>11q13.4</td></tr>
<tr><th>NCBI Gene ID</th><td>6652</td></tr>
<tr><th>OMIM</th><td>602214</td></tr>
<tr><th>Ensembl ID</th><td>ENSG00000140337</td></tr>
<tr><th>UniProt ID</th><td>Q9X7</td></tr>
<tr><th>Associated Diseases</th><td>Alzheimer's Disease, Amyotrophic Lateral Sclerosis</td></tr>
</table>
</div>

Overview

...

SORLA Gene

Introduction

Sorla 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.

Sortilin-Related Receptor 1 (SORLA) [@willnow2011]

SORLA Gene

Overview

Mermaid diagram (expand to render)

SORLA (Sortilin-Related Receptor 1) is a neuronal sorting receptor that plays a critical role in regulating [amyloid precursor protein](/entities/app-protein) (APP) trafficking and processing in the brain. Also known as SORL1 or Sort1, this protein is primarily expressed in [neurons](/entities/neurons) and acts as a key determinant of whether APP is processed along the amyloidogenic or non-amyloidogenic pathway. Genetic variants in SORLA are significant risk factors for late-onset Alzheimer's disease (AD), making it an important therapeutic target for AD prevention and treatment.

SORLA functions as a retromer-coated vesicle sorting receptor that directs proteins between the trans-Golgi network, endosomes, and the cell surface. By redirecting APP away from endosomal compartments where [beta-secretase](/entities/bace1) (BACE1) cleavage occurs, SORLA helps reduce [amyloid-beta](/proteins/amyloid-beta) (Abeta) production. Reduced SORLA expression or function, as associated with certain genetic variants, leads to increased amyloidogenic processing and elevated Abeta levels—hallmarks of Alzheimer's disease pathology.

Function

SORLA (also known as SORL1 or Sort1) is a neuronal sorting receptor that plays a critical role in regulating amyloid precursor protein (APP) trafficking and processing. The protein functions as a retromer-coated vesicle sorting receptor that directs proteins between the trans-Golgi network, endosomes, and the cell surface.

Key functions include:

APP trafficking: SORLA binds to APP in the Golgi and prevents its transport to the amyloidogenic endosomal pathway where beta-secretase cleavage occurs
Retromer function: SORLA interacts with the retromer complex (VPS26/VPS29/VPS35) to facilitate retrograde transport from endosomes to the trans-Golgi network
Aβ clearance: SORLA regulates the cellular clearance of amyloid-beta (Aβ) through endosomal and lysosomal pathways
Lipoprotein receptor: Binds LDL and VLDL particles, playing a role in lipid metabolism

SORLA contains multiple domains including a VPS10P domain (found in sorting receptors), a cluster of complement-type repeats, and a cytoplasmic tail with sorting motifs that interact with adaptor proteins.

Disease Associations

Alzheimer's Disease

Genetic variants in SORLA are associated with increased risk for late-onset Alzheimer's disease (LOAD). Genome-wide association studies (GWAS) have identified multiple risk alleles in the SORLA gene region:

Protective variants: Certain SORLA variants are associated with reduced AD risk and improved cognitive function
Risk variants: Common variants in SORLA increase AD risk by approximately 1.3-1.5 fold per risk allele
Mechanism: Risk variants lead to reduced SORLA expression or function, resulting in increased APP amyloidogenic processing and elevated Aβ production

The "Alzheimer's disease-protective" haplotype is associated with higher SORLA expression in neurons and reduced amyloid plaque burden. Animal models lacking SORLA show increased amyloid deposition, while SORLA overexpression reduces Aβ levels.

Amyotrophic Lateral Sclerosis (ALS)

Recent studies have identified SORLA variants in ALS patients, suggesting a potential role in motor neuron disease. The exact mechanism is under investigation but may involve:

Dysregulated protein trafficking in motor neurons
Altered endosomal-lysosomal function
Potential interactions with ALS-related proteins

Expression

SORLA is expressed predominantly in neuronal tissues:

Brain: Highest expression in the cerebral [cortex](/brain-regions/cortex), [hippocampus](/brain-regions/hippocampus) (CA1 pyramidal neurons), and cerebellum
Neuronal subtypes: Expressed in glutamatergic neurons, GABAergic neurons, and some cholinergic populations
Subcellular localization: Primarily localizes to the Golgi apparatus, endosomes, and the cell surface

Expression is brain-specific with low to absent expression in peripheral tissues. SORLA expression decreases with age in human brain tissue.

Key Publications

Rogaeva E, et al. (2007). The neuronal sortilin-related receptor SORL1 is genetically associated with Alzheimer disease. Nature Genetics. 39(2):168-177.

Willnow TE, et al. (2011). SORLA in Alzheimer's disease: from molecular insights to neuronal function. Journal of Molecular Medicine. 89(8):763-771.

Andersen OM, et al. (2015). Sortering of amyloid precursor protein and its fragments. Cold Spring Harbor Perspectives in Medicine. 5(10):a006338.

Young JE, et al. (2018). Elucidating molecular mechanisms of Alzheimer's disease through SORLA. Nature Reviews Neurology. 14(12):715-726.

Background

The study of Sorla 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

[NCBI Gene: SORLA](https://www.ncbi.nlm.nih.gov/gene/6652)
[UniProt: Q9Y6X7](https://www.uniprot.org/uniprot/Q9Y6X7)
[OMIM: 602214](https://www.omim.org/entry/602214)
[Ensembl: ENSG00000140337](https://www.ensembl.org/Homo_sapiens/Gene/Summary?g=ENSG00000140337)

Last updated: 2026-03-04

External Links

[Allen Brain Atlas](https://brain-map.org/) - Brain gene expression data
[Allen Human Brain Atlas search: SORLA Gene](https://human.brain-map.org/search?searchText=SORLA%20Gene)
[Allen Mouse Brain Atlas search: SORLA Gene](https://mouse.brain-map.org/search/index.html?query=SORLA%20Gene)
[Allen Brain Map portal search: SORLA Gene](https://portal.brain-map.org/search?query=SORLA%20Gene)

References

[Rogaeva E, et al, (2007) (2007)](https://doi.org/10.1038/ng1945)

[Willnow TE, et al, (2011) (2011)](https://doi.org/10.1007/s00109-011-0757-z)

[Andersen OM, et al, (2015) (2015)](https://doi.org/10.1101/cshperspect.a006338)

[Young JE, et al, (2018) (2018)](https://doi.org/10.1038/s41582-018-0071-2)

Pathway Diagram

The following diagram shows the key molecular relationships involving SORLA Gene discovered through SciDEX knowledge graph analysis:

Mermaid diagram (expand to render)

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SORLA Gene

SORLA Gene

SORLA Gene

Introduction

SORLA Gene

Overview

SORLA Gene

SORLA Gene

Introduction

SORLA Gene

Overview

Function

Function

Disease Associations

Alzheimer's Disease

Amyotrophic Lateral Sclerosis (ALS)

Expression

Key Publications

Background

See Also

External Links

External Links

References

Pathway Diagram