Gene description for SLC8A1
Gene name solute carrier family 8 (sodium/calcium exchanger), member 1
Gene symbol SLC8A1
Other names/aliases NCX1
Species Homo sapiens
 Database cross references - SLC8A1
ExoCarta ExoCarta_6546
Entrez Gene 6546
HGNC 11068
MIM 182305
UniProt P32418  
 SLC8A1 identified in exosomes derived from the following tissue/cell type
Hepatocellular carcinoma cells 26054723    
Ovarian cancer cells 23333927    
Ovarian cancer cells 23333927    
 Gene ontology annotations for SLC8A1
Molecular Function
    ion channel binding GO:0044325 ISS
    protein binding GO:0005515 IPI
    cytoskeletal protein binding GO:0008092 IDA
    calcium:sodium antiporter activity GO:0005432 IMP
    metal ion binding GO:0046872 IEA
    ankyrin binding GO:0030506 ISS
    calmodulin binding GO:0005516 IEA
Biological Process
    negative regulation of cytosolic calcium ion concentration GO:0051481 ISS
    positive regulation of bone mineralization GO:0030501 IMP
    cellular response to caffeine GO:0071313 ISS
    regulation of cardiac muscle contraction by calcium ion signaling GO:0010882 TAS
    heart morphogenesis GO:0003007 IEA
    ion transport GO:0006811 TAS
    calcium ion import GO:0070509 IDA
    calcium ion transmembrane transport GO:0070588 IGI
    post-embryonic development GO:0009791 IEA
    calcium ion transport into cytosol GO:0060402 ISS
    calcium ion export GO:1901660 IDA
    cardiac muscle cell development GO:0055013 ISS
    relaxation of cardiac muscle GO:0055119 TAS
    transmembrane transport GO:0055085 TAS
    cytosolic calcium ion transport GO:0060401 TAS
    regulation of cardiac muscle contraction by regulation of the release of sequestered calcium ion GO:0010881 TAS
    embryonic placenta development GO:0001892 IEA
    regulation of heart rate GO:0002027 ISS
    sodium ion export GO:0071436 IDA
    regulation of the force of heart contraction GO:0002026 ISS
    embryonic heart tube development GO:0035050 IEA
    sodium ion import GO:0097369 IDA
    vascular smooth muscle contraction GO:0014829 ISS
    response to muscle stretch GO:0035994 IMP
    cardiac muscle contraction GO:0060048 TAS
    cellular response to reactive oxygen species GO:0034614 IDA
    positive regulation of the force of heart contraction GO:0098735 IMP
    muscle contraction GO:0006936 TAS
    membrane depolarization during cardiac muscle cell action potential GO:0086012 TAS
    regulation of cell communication by electrical coupling GO:0010649 TAS
    muscle fiber development GO:0048747 IEA
    sodium ion transmembrane transport GO:0035725 IMP
    cell communication by electrical coupling involved in cardiac conduction GO:0086064 ISS
    calcium ion homeostasis GO:0055074 ISS
    relaxation of smooth muscle GO:0044557 ISS
    cellular sodium ion homeostasis GO:0006883 IDA
    blood coagulation GO:0007596 TAS
Subcellular Localization
    sarcolemma GO:0042383 ISS
    T-tubule GO:0030315 TAS
    basolateral plasma membrane GO:0016323 IEA
    plasma membrane GO:0005886 TAS
    integral component of plasma membrane GO:0005887 IDA
    Z disc GO:0030018 ISS
    cytosol GO:0005829 ISS
    intercalated disc GO:0014704 TAS
 Experiment description of studies that identified SLC8A1 in exosomes
1
Experiment ID 235
ISEV standards
EM
EV Biophysical techniques
TSG101|Alix|HSC70|GAPDH
EV Cytosolic markers
EV Membrane markers
HSP90B1
EV Negative markers
qNano
EV Particle analysis
Identified molecule mRNA
Identification method RNA Sequencing
PubMed ID 26054723    
Organism Homo sapiens
Experiment description Hepatocellular carcinoma-derived exosomes promote motility of immortalized hepatocyte through transfer of oncogenic proteins and RNAs
Authors He M, Qin H, Poon TC, Sze SC, Ding X, Co NN, Ngai SM, Chan TF, Wong N
Journal name Carcinogenesis
Publication year 2015
Sample Hepatocellular carcinoma cells
Sample name HKCI-8
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Sucrose density gradient
Flotation density 1.13-1.19 g/mL
Molecules identified in the study Protein
RNA
Methods used in the study Western blotting
Mass spectrometry
RT-PCR
RNA Sequencing
2
Experiment ID 211
ISEV standards
EM
EV Biophysical techniques
TSG101|Alix
EV Cytosolic markers
EpCAM|TFRC
EV Membrane markers
cytochrome c|GOLGA2
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23333927    
Organism Homo sapiens
Experiment description Characterization and proteomic analysis of ovarian cancer-derived exosomes.
Authors Liang B, Peng P, Chen S, Li L, Zhang M, Cao D, Yang J, Li H, Gui T, Li X, Shen K.
Journal name J Proteomics
Publication year 2013
Sample Ovarian cancer cells
Sample name IGROV1
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.09-1.15 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
3
Experiment ID 212
ISEV standards
CEM
EV Biophysical techniques
TSG101|Alix
EV Cytosolic markers
EpCAM|TFRC
EV Membrane markers
Cytochrome C|GOLGA2
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23333927    
Organism Homo sapiens
Experiment description Characterization and proteomic analysis of ovarian cancer-derived exosomes.
Authors Liang B, Peng P, Chen S, Li L, Zhang M, Cao D, Yang J, Li H, Gui T, Li X, Shen K.
Journal name J Proteomics
Publication year 2013
Sample Ovarian cancer cells
Sample name OVCAR-3
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.09-1.15 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
 Protein-protein interactions for SLC8A1
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 CAV3  
Affinity Capture-Western Homo sapiens
View the network image/svg+xml
 Pathways in which SLC8A1 is involved
PathwayEvidenceSource
Reduction of cytosolic Ca++ levels TAS Reactome
Sodium/Calcium exchangers TAS Reactome





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