Gene description for SLC4A8
Gene name solute carrier family 4, sodium bicarbonate cotransporter, member 8
Gene symbol SLC4A8
Other names/aliases NBC3
NDCBE
Species Homo sapiens
 Database cross references - SLC4A8
ExoCarta ExoCarta_9498
Vesiclepedia VP_9498
Entrez Gene 9498
HGNC 11034
MIM 605024
UniProt Q2Y0W8  
 SLC4A8 identified in exosomes derived from the following tissue/cell type
Neuroblastoma cells 25944692    
 Gene ontology annotations for SLC4A8
Molecular Function
    solute:inorganic anion antiporter activity GO:0005452 TAS
    zinc ion binding GO:0008270 IDA
    sodium:bicarbonate symporter activity GO:0008510 IBA
    sodium:bicarbonate symporter activity GO:0008510 IDA
    sodium ion transmembrane transporter activity GO:0015081 IDA
    bicarbonate transmembrane transporter activity GO:0015106 IDA
    chloride transmembrane transporter activity GO:0015108 IDA
    identical protein binding GO:0042802 IDA
    identical protein binding GO:0042802 IEA
    sodium,bicarbonate:chloride antiporter activity GO:0140892 IDA
    sodium,bicarbonate:chloride antiporter activity GO:0140892 IEA
Biological Process
    bicarbonate transport GO:0015701 IBA
    bicarbonate transport GO:0015701 IDA
    bicarbonate transport GO:0015701 TAS
    sodium ion transmembrane transport GO:0035725 IDA
    sodium ion transmembrane transport GO:0035725 IEA
    regulation of membrane potential GO:0042391 IDA
    modulation of chemical synaptic transmission GO:0050804 ISS
    regulation of intracellular pH GO:0051453 IBA
    regulation of intracellular pH GO:0051453 IDA
    regulation of intracellular pH GO:0051453 ISS
    transmembrane transport GO:0055085 IBA
    basolateral protein secretion GO:0110010 IEA
    transport across blood-brain barrier GO:0150104 NAS
    chloride transmembrane transport GO:1902476 IDA
    positive regulation of synaptic vesicle exocytosis GO:2000302 ISS
Subcellular Localization
    plasma membrane GO:0005886 IBA
    plasma membrane GO:0005886 IDA
    plasma membrane GO:0005886 ISS
    plasma membrane GO:0005886 TAS
    synaptic vesicle GO:0008021 ISS
    membrane GO:0016020 ISS
    basolateral plasma membrane GO:0016323 IEA
    apical plasma membrane GO:0016324 IEA
    dendrite GO:0030425 IDA
    synaptic vesicle membrane GO:0030672 IEA
    asymmetric synapse GO:0032279 ISS
    symmetric synapse GO:0032280 ISS
    neuronal cell body membrane GO:0032809 ISS
    presynaptic membrane GO:0042734 ISS
    neuron projection GO:0043005 ISS
    terminal bouton GO:0043195 ISS
    axon terminus GO:0043679 ISS
    glial cell projection GO:0097386 ISS
    hippocampal mossy fiber GO:0097457 ISS
    presynapse GO:0098793 ISS
    glutamatergic synapse GO:0098978 ISS
 Experiment description of studies that identified SLC4A8 in exosomes
1
Experiment ID 224
MISEV standards
EM|AFM
Biophysical techniques
Alix|TSG101|CD63|CD81
Enriched markers
GOLGA2
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25944692    
Organism Homo sapiens
Experiment description Proteogenomic analysis reveals exosomes are more oncogenic than ectosomes
Authors "Keerthikumar S, Gangoda L, Liem M, Fonseka P, Atukorala I, Ozcitti C, Mechler A, Adda CG, Ang CS, Mathivanan S"
Journal name Oncotarget
Publication year 2015
Sample Neuroblastoma cells
Sample name SH-SY5Y
Isolation/purification methods Differential centrifugation
Ultracentrifugation
OptiPrep density gradient
Flotation density 1.10 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
Western blotting
 Protein-protein interactions for SLC4A8
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 SLC4A2 6522
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
2 SLC4A7 9497
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
3 ADCY3 109
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
4 SNX14  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
5 LCLAT1 253558
Affinity Capture-MS Homo sapiens
6 EMC3 55831
Affinity Capture-MS Homo sapiens
7 ATG9A 79065
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
8 ULBP2 80328
Affinity Capture-MS Homo sapiens
9 ATP13A2  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
10 TMEM63B 55362
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
11 EMC7 56851
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
12 ABCC4 10257
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
13 ADCK2  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
14 GHDC  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
15 OMA1  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
16 GPR89B 51463
Affinity Capture-MS Homo sapiens
17 NRAS 4893
Affinity Capture-MS Homo sapiens
18 SREBF2 6721
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
19 ITPRIPL2 162073
Affinity Capture-MS Homo sapiens
20 GNB2 2783
Affinity Capture-MS Homo sapiens
21 ST7L  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
22 SLC9A3R1 9368
Reconstituted Complex Homo sapiens
23 UPF3B 65109
Affinity Capture-MS Homo sapiens
24 SLC12A6 9990
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
25 TMX2 51075
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
26 FYN 2534
Affinity Capture-MS Homo sapiens
27 PCNXL3 399909
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
28 CA2 760
Reconstituted Complex Homo sapiens
29 ATP2A3 489
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
30 TMEM63A 9725
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
31 C1orf43 25912
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
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