Gene description for S100a8
Gene name S100 calcium binding protein A8
Gene symbol S100a8
Other names/aliases Mrp8
Species Rattus norvegicus
 Database cross references - S100a8
ExoCarta ExoCarta_116547
Vesiclepedia VP_116547
Entrez Gene 116547
UniProt P50115  
 S100a8 identified in sEVs derived from the following tissue/cell type
Adipocytes 25998041    
Reticulocytes 21828046    
Reticulocytes 21828046    
Reticulocytes 21828046    
 Gene ontology annotations for S100a8
Molecular Function
    calcium ion binding GO:0005509 IBA
    antioxidant activity GO:0016209 IEA
    calcium-dependent protein binding GO:0048306 IBA
Biological Process
    leukocyte migration involved in inflammatory response GO:0002523 IBA
    leukocyte migration involved in inflammatory response GO:0002523 ISO
    leukocyte migration involved in inflammatory response GO:0002523 ISS
    chronic inflammatory response GO:0002544 IEP
    peptide secretion GO:0002790 ISO
    positive regulation of peptide secretion GO:0002793 ISO
    autophagy GO:0006914 ISO
    autophagy GO:0006914 ISS
    apoptotic process GO:0006915 IEA
    response to zinc ion GO:0010043 IEP
    astrocyte development GO:0014002 ISO
    peptidyl-cysteine S-nitrosylation GO:0018119 ISO
    neutrophil chemotaxis GO:0030593 IBA
    neutrophil chemotaxis GO:0030593 ISO
    neutrophil chemotaxis GO:0030593 ISS
    response to lipopolysaccharide GO:0032496 IBA
    response to lipopolysaccharide GO:0032496 IEP
    autocrine signaling GO:0035425 IGI
    endothelial cell migration GO:0043542 IBA
    innate immune response GO:0045087 IEA
    response to ethanol GO:0045471 IEP
    positive regulation of inflammatory response GO:0050729 ISO
    positive regulation of inflammatory response GO:0050729 ISS
    neutrophil aggregation GO:0070488 IBA
    neutrophil aggregation GO:0070488 ISO
    neutrophil aggregation GO:0070488 ISS
    cellular oxidant detoxification GO:0098869 IEA
    positive regulation of cysteine-type endopeptidase activity GO:2001056 ISO
    positive regulation of cysteine-type endopeptidase activity GO:2001056 ISS
    positive regulation of intrinsic apoptotic signaling pathway GO:2001244 ISO
    positive regulation of intrinsic apoptotic signaling pathway GO:2001244 ISS
Subcellular Localization
    extracellular space GO:0005615 IDA
    extracellular space GO:0005615 ISO
    cytoplasm GO:0005737 IBA
    cytosol GO:0005829 IEA
    cytosol GO:0005829 ISO
    plasma membrane GO:0005886 IEA
    intermediate filament cytoskeleton GO:0045111 IEA
    intermediate filament cytoskeleton GO:0045111 ISO
    calprotectin complex GO:1990660 ISO
 Experiment description of studies that identified S100a8 in sEVs
1
Experiment ID 225
MISEV standards
EM
Biophysical techniques
GAPDH|CD63
Enriched markers
Negative markers
NTA
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25998041    
Organism Rattus norvegicus
Experiment description Proteomic Analysis of Extracellular Vesicles Released by Adipocytes of Otsuka Long-Evans Tokushima Fatty (OLETF) Rats.
Authors "Lee JE, Moon PG, Lee IK, Baek MC"
Journal name Protein J
Publication year 2015
Sample Adipocytes
Sample name Adipocytes
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
Western blotting
2
Experiment ID 90
MISEV standards
EM
Biophysical techniques
HSC70|HSP90|TSG101|MHCI
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry [Orbitrap]
PubMed ID 21828046    
Organism Rattus norvegicus
Experiment description The proteo-lipidic composition of exosomes changes during reticulocyte maturation.
Authors "Carayon K, Chaoui K, Ronzier E, Lazar I, Bertrand-Michel J, Roques V, Balor S, Terce F, Lopez A, Salome L, Joly E"
Journal name JBC
Publication year 2011
Sample Reticulocytes
Sample name Reticulocytes - D2 Rep 1
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.16-1.21 g/mL
Molecules identified in the study Protein
Lipids
Methods used in the study Mass spectrometry [QSTAR]
Mass spectrometry [Orbitrap]
Western blotting
3
Experiment ID 96
MISEV standards
EM
Biophysical techniques
TSG101|HSP90|HSC70|MHCI
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry [Orbitrap]
PubMed ID 21828046    
Organism Rattus norvegicus
Experiment description The proteo-lipidic composition of exosomes changes during reticulocyte maturation.
Authors "Carayon K, Chaoui K, Ronzier E, Lazar I, Bertrand-Michel J, Roques V, Balor S, Terce F, Lopez A, Salome L, Joly E."
Journal name JBC
Publication year 2011
Sample Reticulocytes
Sample name Reticulocytes - D2 Rep 2
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.16-1.21 g/mL
Molecules identified in the study Protein
Lipids
Methods used in the study Mass spectrometry [QSTAR]
Mass spectrometry [Orbitrap]
Western blotting
4
Experiment ID 97
MISEV standards
EM
Biophysical techniques
TSG101|HSP90|HSC70|MHCI
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry [Orbitrap]
PubMed ID 21828046    
Organism Rattus norvegicus
Experiment description The proteo-lipidic composition of exosomes changes during reticulocyte maturation.
Authors "Carayon K, Chaoui K, Ronzier E, Lazar I, Bertrand-Michel J, Roques V, Balor S, Terce F, Lopez A, Salome L, Joly E."
Journal name JBC
Publication year 2011
Sample Reticulocytes
Sample name Reticulocytes - D4 Rep 2
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.16-1.21 g/mL
Molecules identified in the study Protein
Lipids
Methods used in the study Mass spectrometry [QSTAR]
Mass spectrometry [Orbitrap]
Western blotting
 Protein-protein interactions for S100a8
  Protein Interactor ExoCarta ID Identification method PubMed Species
No interactions are found.



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