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SLC1A3
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  • SLC1A3
BRAIN TISSUES Show tissue menu
AMYGDALA BASAL GANGLIA CEREBELLUM CEREBRAL CORTEX CHOROID PLEXUS HIPPOCAMPAL FORMATION HYPOTHALAMUS MEDULLA OBLONGATA
MIDBRAIN OLFACTORY BULB PITUITARY GLAND PONS RETINA SPINAL CORD THALAMUS WHITE MATTER
PRIMARY MOUSE DATA
ANTIBODIES
AND
VALIDATION
Brain proteome
GENERAL INFORMATIONi

General description of the gene and the encoded protein(s) using information from HGNC and Ensembl, as well as predictions made by the Human Protein Atlas project.

Human gene namei

Official gene symbol, which is typically a short form of the gene name, according to HGNC.

SLC1A3
Mouse gene name Slc1a3
Human gene
descriptioni

Full gene name according to HGNC.

Solute carrier family 1 member 3
Predicted locationi

All transcripts of all genes have been analyzed regarding the location(s) of corresponding protein based on prediction methods for signal peptides and transmembrane regions.

  • Genes with at least one transcript predicted to encode a secreted protein, according to prediction methods or to UniProt location data, have been further annotated and classified with the aim to determine if the corresponding protein(s) are secreted or actually retained in intracellular locations or membrane-attached.

  • Remaining genes, with no transcript predicted to encode a secreted protein, will be assigned the prediction-based location(s).

The annotated location overrules the predicted location, so that a gene encoding a predicted secreted protein that has been annotated as intracellular will have intracellular as the final location.

Membrane, Intracellular
Mouse gene ENSMUSG00000005360 (version 109)
Pig gene ENSSSCG00000016841 (version 109)
Antibodies in assayi

The internal antibody ID for the antibody/antibodies available for this specific target, click link for more antibody information.

HPA037467
HPA037468
CAB002573
HUMAN PROTEIN ATLAS INFORMATION
Brain expression
cluster (RNA)i

The RNA data was used to cluster genes according to their expression across tissues. Clusters contain genes that have similar expression patterns, and each cluster has been manually annotated to describe common features in terms of function and specificity.

Astrocytes - Astrocyte-neuron interactions (mainly)
Tissue specificityi

The RNA specificity category is based on mRNA expression levels in the consensus dataset which is calculated from the RNA expression levels in samples from HPA and GTEX. The categories include: tissue enriched, group enriched, tissue enhanced, low tissue specificity and not detected.

Group enriched (brain, retina)
Human brainPig brainMouse brain
Regional specificityi

The regional specificity category is based on mRNA expression levels in the analysed brain samples, grouped into 13 main brain regions and calculated for the three different species. All brain expression profiles are based on data from HPA. The specificity categories include: regionally enriched, group enriched, regionally enhanced, low regional specificity and not detected. The classification rules are the same used for the tissue specificity category.

Low region specificityLow region specificityLow region specificity
Tau specificity scorei

Tau specificity score is a numerical indicator of the specificity of the gene expression across cells or tissues. The value ranges from 0 and 1, where 0 indicates identical expression across all cells/tissue types, while 1 indicates expression in a single cell/tissue type.

0.090.130.18
Regional distributioni

The regional distribution category is based on mRNA expression detected above cut off or not in the analysed brain samples, grouped into 13 main brain regions and calculated for the three different species. Brain expression for all species is based on data from HPA. The distribution categories include: detected in all, detected in many, detected in some, detected in single and not detected. The classification rules are the same used for the tissue distribution category.

Detected in allDetected in allDetected in all
Cellular locationi

Manually selected location of the protein positivity, observed by immunofluorescence staining in mouse brain.

Endfeet in astrocytes. Ventricle wall and circumventricular organs of ependymal cells.
Protein profilei

A summary of the overall protein localization across the analyzed brain tissue. The summary is based on manual annotation.

Mouse brain profiles includes a more extensive summary of the protein location while summaries with only human protein profile are more limited and are based on imported data/images from the Tissue Atlas stainings that has undergone an additional brain-centric curation step.
SLC1A3 (also known as GLAST or EAAT1) is a glutamate transporter, whose RNA transcripts are highly enriched in the human CNS, with widespread expression across numerous brain regions. In the mouse, immunohistochemical staining of astrocytes (endfeet) is observed in many regions throughout the brain, strongly in olfactory, thalamus, hypothalamus and cerebellum.
BRAIN RNA EXPRESSION
HUMAN
Cerebral cortexHippocampal formationAmygdalaBasal gangliaThalamusHypothalamusMidbrainCerebellumPonsMedulla oblongataSpinal cordWhite matterChoroid plexusCorpus callosum
Expression
Detection
All organs
HPA Human brain dataseti

Normalized RNA expression levels (nTPM) shown for the 13 brain regions. Color coding is based on brain region and the bar shows the highest expression among the subregions included. To access sample data, click on region name or bar.

Read more about normalized expression levels in <a href="/about/assays+annotation#normalization_rna"_blank">Assays & Annotation.


CTX
HPF
AMY
BG
TH
HY
MB
CB
P
M
SC
WM
CP
Cerebral cortex
Additional Prefrontal Cortex dataset
Hippocampal formation
Amygdala
Basal ganglia
Thalamus
Hypothalamus
Midbrain
Cerebellum
Pons
Medulla oblongata
Spinal cord
White matter
Choroid plexus
COMPARISON BRAIN RNA EXPRESSION
GTEX AND FANTOM HUMAN BRAIN
GTEx Human brain RNA-Seq dataseti


GTEx dataset
RNA-seq tissue data generated by the Genotype-Tissue Expression (GTEx) project is reported as mean nTPM, corresponding to mean values of the different individual samples for respective subregion. Highest expression among the subregions represents the brain region. To access sample data, click on region name or bar.

The GTEx RNA-seq assay is described in detail in Assays & Annotation.

FANTOM5 Human brain CAGE dataseti


FANTOM5 dataset
Tissue data for RNA expression obtained through Cap Analysis of Gene Expression (CAGE) generated by the FANTOM5 project are reported as Scaled Tags Per Million. To access sample data, click on region name or bar.

The CAGE method is described in detail in Assays & Annotation.

PIG
Cerebral cortexOlfactory bulbHippocampal formationAmygdalaBasal gangliaThalamusHypothalamusMidbrainCerebellumPonsMedulla oblongataSpinal cordPituitary glandRetinaWhite matter
HPA Pig brain RNA-Seq dataseti


HPA Pig dataset
HPA RNA-seq tissue data is reported as mean nTPM (normalized expression) for each of the brain regions analyzed in pig. The detailed pages (reached when clicking a bar or regional name) show nTPM values at the individual sample level.
To access sample data, click on region name or bar.

The HPA RNA-seq assay is described in detail in Assays & Annotation.

The pig brain transcriptomics project is a collaborative project between human protein atlas and the Lars Bolund institute of regenerative Medicine (Dr. Yonglun Luo), BGI-Qingdao, China.

MOUSE
Cerebral cortexOlfactory bulbHippocampal formationAmygdalaBasal gangliaThalamusHypothalamusMidbrainPons and medullaCerebellumPituitary glandRetinaWhite matter
HPA Mouse brain RNA-Seq dataseti


HPA Mouse dataset
HPA RNA-seq tissue data is reported as mean nTPM (normalized expression) for each of the brain regions analyzed in mouse. The detailed pages (reached when clicking a bar or regional name) show nTPM values at the individual sample level.
To access sample data, click on region name or bar.

The HPA RNA-seq assay is described in detail in Assays & Annotation.


Allen Mouse brain ISH dataseti

The Allen Mouse Brain ISH
The expression values based on in situ hybridization (ISH) available through the ABA API (© 2004 Allen Institute for Brain Science, Allen Mouse Brain Atlas) is imported and show regional expression grouped in the same manner as the other datasets.
To access sample data and links to the ABA, click on region name or bar.

HUMAN BRAIN PROTEIN LOCATIONi

The Human brain protein data is based on curated and manually selected Tissue Atlas data. The standard brain regions used in the Tissue Atlas are cerebral cortex, caudate nucleus, hippocampus and cerebellum, only selected cases include information on hypothalamus or retina. The score is based on knowledge-based annotation of the protein location in the main cell types. For genes where more than one antibody has been used, a collective score is set displaying the estimated true protein expression.

Location example
Hippocampus
Location summary

Protein detected in astrocytes, neuropil positivity observed in all human brain regions.

Antibody reliability

Enhanced based on HPA037467 , HPA037468 , CAB002573

HPA Human protein locationi

Each bar represents the highest expression score found in a particular tissue. Protein expression scores are based on a best estimate of the "true" protein expression from a knowledge-based annotation, described more in detail under Assays & annotation. For genes where more than one antibody has been used, a collective score is set displaying the estimated true protein expression.

MOUSE BRAIN PROTEIN LOCATIONi

Mouse brain protein profiles are based in serial sections of the adult mouse brain analyzed by immunofluorescence. The staining intensity and regional distribution is manually summarized.

Protein profile

SLC1A3 (also known as GLAST or EAAT1) is a glutamate transporter, whose RNA transcripts are highly enriched in the human CNS, with widespread expression across numerous brain regions. In the mouse, immunohistochemical staining of astrocytes (endfeet) is observed in many regions throughout the brain, strongly in olfactory, thalamus, hypothalamus and cerebellum.

Cellular location

Endfeet in astrocytes.
Ventricle wall and circumventricular organs of ependymal cells.

Protein profile reliability

Enhanced based on HPA037467

HPA Mouse staining intesityi

The score is based on the relative fluorescence, defined as intensity of the annotated region relative to the intensity of the region with highest intensity.
The digitalized images are processed (axel-adjusted and tissue edges defined) and regions of interest (ROIs) are then marked. These ROIs are then used for image analysis and the relative fluorescence intensity is listed for each region. For more data and regional information click on the bar or the regional name.

Selected annotations
Olfactory bulb
Hypothalamus
Cerebellum
FRONT BACK
 

EXPRESSION CLUSTERING & CORRELATIONi

The RNA data was used to cluster genes according to their expression across samples. The resulting clusters have been manually annotated to describe common features in terms of function and specificity. The annotation of the cluster is displayed together with a confidence score of the gene's assignment to the cluster. The confidence is calculated as the fraction of times the gene was assigned to this cluster in repeated calculations and is reported between 0 to 1, where 1 is the highest possible confidence. The clustering results are shown in a UMAP, where the cluster this gene was assigned to is highlighted as a colored area in which most of the cluster genes reside. A table shows the 15 most similar genes in terms of expression profile.

SLC1A3 is part of cluster 40 Astrocytes - Astrocyte-neuron interactions with confidencei

Confidence is the fraction of times a gene was assigned to the cluster in repeated clustering, and therefore reflects how strongly associated it is to the cluster. A confidence of 1 indicates that the gene was assigned to this cluster in all repeated clusterings.

1
369 genes in cluster
Go to interactive expression cluster page
15 nearest neighbours based on brain RNA expression
Neighbouri

Gene name according to HGNC.

Descriptioni

Gene description according to HGNC.

Correlationi

Correlation between the selected gene and neighboring gene. Correlation is calculated as Spearman correlation in PCA space based on the RNA-seq expression data.

Clusteri

ID of the expression cluster of the neighboring gene.

CARMIL1 Capping protein regulator and myosin 1 linker 1 0.8088 40
ALDH1L1 Aldehyde dehydrogenase 1 family member L1 0.7860 40
PAPLN Papilin, proteoglycan like sulfated glycoprotein 0.7860 40
RANBP3L RAN binding protein 3 like 0.7825 40
MAP3K5 Mitogen-activated protein kinase kinase kinase 5 0.7825 40
CTDSPL CTD small phosphatase like 0.7719 40
SLC15A2 Solute carrier family 15 member 2 0.7702 40
GSTM1 Glutathione S-transferase mu 1 0.7667 40
GPM6A Glycoprotein M6A 0.7667 40
KLHL26 Kelch like family member 26 0.7667 40
SORBS1 Sorbin and SH3 domain containing 1 0.7596 40
CHRDL1 Chordin like 1 0.7596 53
ACOT1 Acyl-CoA thioesterase 1 0.7579 40
CRB1 Crumbs cell polarity complex component 1 0.7561 40
HSD17B6 Hydroxysteroid 17-beta dehydrogenase 6 0.7544 40

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The Human Protein Atlas project is funded
by the Knut & Alice Wallenberg Foundation.