Gene description for S100A8
Gene name S100 calcium binding protein A8
Gene symbol S100A8
Other names/aliases 60B8AG
CAGA
CFAG
CGLA
CP-10
L1Ag
MA387
MIF
MRP8
NIF
P8
Species Homo sapiens
 Database cross references - S100A8
ExoCarta ExoCarta_6279
Entrez Gene 6279
HGNC 10498
MIM 123885
UniProt P05109  
 S100A8 identified in exosomes derived from the following tissue/cell type
Bladder cancer cells 20224111    
Liver cancer cells 25265333    
Liver cancer cells 25265333    
Mesenchymal stem cells Unpublished / Not applicable
Platelets 25332113    
Platelets 25332113    
Platelets 25332113    
Saliva 19199708    
Squamous carcinoma cells 20124223    
Urine 19056867    
Urine 22418980    
Urine 22418980    
 Gene ontology annotations for S100A8
Molecular Function
    protein binding GO:0005515 IPI
    Toll-like receptor 4 binding GO:0035662 TAS
    microtubule binding GO:0008017 TAS
    zinc ion binding GO:0008270 TAS
    calcium ion binding GO:0005509 TAS
    arachidonic acid binding GO:0050544 TAS
    RAGE receptor binding GO:0050786 TAS
Biological Process
    sequestering of zinc ion GO:0032119 TAS
    leukocyte migration involved in inflammatory response GO:0002523 IDA
    defense response to bacterium GO:0042742 TAS
    response to zinc ion GO:0010043 IEA
    cytokine production GO:0001816 TAS
    positive regulation of NF-kappaB transcription factor activity GO:0051092 TAS
    positive regulation of inflammatory response GO:0050729 IDA
    positive regulation of peptide secretion GO:0002793 IEA
    response to lipopolysaccharide GO:0032496 IEA
    acute inflammatory response GO:0002526 IEA
    wound healing GO:0042060 IEA
    chronic inflammatory response GO:0002544 IEA
    regulation of cytoskeleton organization GO:0051493 TAS
    peptidyl-cysteine S-nitrosylation GO:0018119 IMP
    neutrophil aggregation GO:0070488 IDA
    innate immune response GO:0045087 IEA
    chemokine production GO:0032602 TAS
    autophagy GO:0006914 IDA
    defense response to fungus GO:0050832 TAS
    inflammatory response GO:0006954 TAS
    positive regulation of cell growth GO:0030307 TAS
    response to ethanol GO:0045471 IEA
    positive regulation of intrinsic apoptotic signaling pathway GO:2001244 IDA
    neutrophil chemotaxis GO:0030593 IDA
    activation of cysteine-type endopeptidase activity involved in apoptotic process GO:0006919 IDA
Subcellular Localization
    extracellular space GO:0005615 IDA
    cytoskeleton GO:0005856 TAS
    plasma membrane GO:0005886 TAS
    nucleus GO:0005634 IDA
    cytosol GO:0005829 TAS
    extracellular exosome GO:0070062 IDA
    extracellular region GO:0005576 TAS
 Experiment description of studies that identified S100A8 in exosomes
1
Experiment ID 76
ISEV standards
EM
EV Biophysical techniques
TSG101|GAPDH|HSP90
EV Cytosolic markers
CD81|CD9|CD63|LAMP1|MHCI
EV Membrane markers
HSP90B1
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 20224111    
Organism Homo sapiens
Experiment description Proteomics analysis of bladder cancer exosomes.
Authors Welton JL, Khanna S, Giles PJ, Brennan P, Brewis IA, Staffurth J, Mason MD, Clayton A.
Journal name MCP
Publication year 2010
Sample Bladder cancer cells
Sample name HT1376
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Flotation density 1.10-1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [MALDI TOF/TOF]
Western blotting
FACS
2
Experiment ID 266
ISEV standards
EV Biophysical techniques
TSG101|Alix
EV Cytosolic markers
EV Membrane markers
CANX|HSP90B1
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25265333    
Organism Homo sapiens
Experiment description Quantitative Proteomic Analysis of Exosome Protein Content Changes Induced by Hepatitis B Virus in Huh‑7 Cells Using SILAC Labeling and LC−MS/MS
Authors Zhao X, Wu Y, Duan J, Ma Y, Shen Z, Wei L, Cui X, Zhang J, Xie Y, Liu J
Journal name J Proteome Res
Publication year 2014
Sample Liver cancer cells
Sample name Huh-7 - Wild type
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
3
Experiment ID 268
ISEV standards
EV Biophysical techniques
TSG101|Alix
EV Cytosolic markers
EV Membrane markers
CANX|HSP90B1
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25265333    
Organism Homo sapiens
Experiment description Quantitative Proteomic Analysis of Exosome Protein Content Changes Induced by Hepatitis B Virus in Huh‑7 Cells Using SILAC Labeling and LC−MS/MS
Authors Zhao X, Wu Y, Duan J, Ma Y, Shen Z, Wei L, Cui X, Zhang J, Xie Y, Liu J
Journal name J Proteome Res
Publication year 2014
Sample Liver cancer cells
Sample name Huh-7 - Transfected with HBx-null HBV replicon plasmids
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
4
Experiment ID 126
ISEV standards
EV Biophysical techniques
GAPDH
EV Cytosolic markers
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Antibody array
PubMed ID Unpublished / Not applicable
Organism Homo sapiens
Experiment description Mesenchymal Stem Cell Exosomes: The Future MSC-based Therapy?
Authors Ruenn Chai Lai, Ronne Wee Yeh Yeo, Soon Sim Tan, Bin Zhang, Yijun Yin, Newman Siu Kwan Sze, Andre Choo, and Sai Kiang Lim
Journal name Mesenchymal Stem Cell Therapy
Publication year 2011
Sample Mesenchymal stem cells
Sample name huES9.E1
Isolation/purification methods HPLC
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Antobody array
Mass spectrometry
5
Experiment ID 231
ISEV standards
EV Biophysical techniques
Alix
EV Cytosolic markers
CD63|CD9
EV Membrane markers
EV Negative markers
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25332113    
Organism Homo sapiens
Experiment description Lipidomic and proteomic characterization of platelet extracellular vesicle subfractions from senescent platelets
Authors Pienimaeki-Roemer A, Kuhlmann K, Bottcher A, Konovalova T, Black A, Orso E, Liebisch G, Ahrens M, Eisenacher M, Meyer HE, Schmitz G.
Journal name Transfusion
Publication year 2015
Sample Platelets
Sample name PL-Exs - Rep 1
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Optiprep density gradient
Flotation density 1.12-1.15 g/mL
Molecules identified in the study Protein
Lipids
Methods used in the study Western blotting
Mass spectrometry
6
Experiment ID 232
ISEV standards
EV Biophysical techniques
EV Cytosolic markers
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25332113    
Organism Homo sapiens
Experiment description Lipidomic and proteomic characterization of platelet extracellular vesicle subfractions from senescent platelets
Authors Pienimaeki-Roemer A, Kuhlmann K, Bottcher A, Konovalova T, Black A, Orso E, Liebisch G, Ahrens M, Eisenacher M, Meyer HE, Schmitz G.
Journal name Transfusion
Publication year 2015
Sample Platelets
Sample name PL-Exs - Rep 2
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Optiprep density gradient
Flotation density 1.12-1.15 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
7
Experiment ID 233
ISEV standards
EV Biophysical techniques
EV Cytosolic markers
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25332113    
Organism Homo sapiens
Experiment description Lipidomic and proteomic characterization of platelet extracellular vesicle subfractions from senescent platelets
Authors Pienimaeki-Roemer A, Kuhlmann K, Bottcher A, Konovalova T, Black A, Orso E, Liebisch G, Ahrens M, Eisenacher M, Meyer HE, Schmitz G.
Journal name Transfusion
Publication year 2015
Sample Platelets
Sample name PL-Exs - Rep 3
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Optiprep density gradient
Flotation density 1.12-1.15 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
8
Experiment ID 66
ISEV standards
IEM
EV Biophysical techniques
TSG101|Alix
EV Cytosolic markers
CD63|CD81
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 19199708    
Organism Homo sapiens
Experiment description Proteomic analysis of human parotid gland exosomes by multidimensional protein identification technology (MudPIT).
Authors Gonzalez-Begne M, Lu B, Han X, Hagen FK, Hand AR, Melvin JE, Yates JR
Journal name JPR
Publication year 2009
Sample Saliva
Sample name Saliva
Isolation/purification methods Differential centrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [LTQ]
Western blotting
Immunoelectron Microscopy
9
Experiment ID 191
ISEV standards
EV Biophysical techniques
Alix
EV Cytosolic markers
CD81|CD9
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 20124223    
Organism Homo sapiens
Experiment description Hypoxic tumor cell modulates its microenvironment to enhance angiogenic and metastatic potential by secretion of proteins and exosomes.
Authors Park JE, Tan HS, Datta A, Lai RC, Zhang H, Meng W, Lim SK, Sze SK.
Journal name Mol Cell Proteomics
Publication year 2010
Sample Squamous carcinoma cells
Sample name Squamous carcinoma cell (A431)
Isolation/purification methods Differential centrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
10
Experiment ID 63
ISEV standards
EV Biophysical techniques
EV Cytosolic markers
AQP2
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 19056867    
Organism Homo sapiens
Experiment description Large-scale proteomics and phosphoproteomics of urinary exosomes.
Authors Gonzales PA, Pisitkun T, Hoffert JD, Tchapyjnikov D, Star RA, Kleta R, Wang NS, Knepper MA
Journal name JASN
Publication year 2009
Sample Urine
Sample name Urine - Normal
Isolation/purification methods Differential centrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [LTQ]
Western blotting
11
Experiment ID 196
ISEV standards
EM
EV Biophysical techniques
Alix|TSG101|HSP70
EV Cytosolic markers
CD9
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 22418980    
Organism Homo sapiens
Experiment description A multiplex quantitative proteomics strategy for protein biomarker studies in urinary exosomes.
Authors Raj DA, Fiume I, Capasso G, Pocsfalvi G.
Journal name Kidney Int
Publication year 2012
Sample Urine
Sample name Urine - Normal high density
Isolation/purification methods Differential centrifugation
Sucrose cushion
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
12
Experiment ID 197
ISEV standards
EM
EV Biophysical techniques
Alix|TSG101|HSP70
EV Cytosolic markers
CD9
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 22418980    
Organism Homo sapiens
Experiment description A multiplex quantitative proteomics strategy for protein biomarker studies in urinary exosomes.
Authors Raj DA, Fiume I, Capasso G, Pocsfalvi G.
Journal name Kidney Int
Publication year 2012
Sample Urine
Sample name Urine - Normal low density
Isolation/purification methods Differential centrifugation
Sucrose cushion
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
 Protein-protein interactions for S100A8
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 PPM1B 5495
Affinity Capture-MS Homo sapiens
2 ASB3  
Affinity Capture-MS Homo sapiens
3 Tuba1a 22142
Two-hybrid Mus musculus
4 CHGB  
Two-hybrid Homo sapiens
5 MOB1A 55233
Affinity Capture-MS Homo sapiens
6 ARK5  
Affinity Capture-MS Homo sapiens
7 MGC15730  
Two-hybrid Homo sapiens
8 LRRK1  
Affinity Capture-MS Homo sapiens
9 PDCD11  
Two-hybrid Homo sapiens
10 GDF9 2661
Two-hybrid Homo sapiens
11 UNC119  
Two-hybrid Homo sapiens
12 USF2 7392
Affinity Capture-MS Homo sapiens
13 C14orf1 11161
Two-hybrid Homo sapiens
14 PPIA 5478
Two-hybrid Homo sapiens
15 RIF1  
Two-hybrid Homo sapiens
16 TP53  
Two-hybrid Homo sapiens
17 S100A8 6279
Affinity Capture-MS Homo sapiens
Co-crystal Structure Homo sapiens
Affinity Capture-MS Homo sapiens
Co-crystal Structure Homo sapiens
18 PRMT1 3276
Two-hybrid Homo sapiens
View the network image/svg+xml
 Pathways in which S100A8 is involved
No pathways found





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