Gene description for SPN
Gene name sialophorin
Gene symbol SPN
Other names/aliases CD43
GALGP
GPL115
LSN
Species Homo sapiens
 Database cross references - SPN
ExoCarta ExoCarta_6693
Vesiclepedia VP_6693
Entrez Gene 6693
HGNC 11249
MIM 182160
UniProt P16150  
 SPN identified in exosomes derived from the following tissue/cell type
B cells 20458337    
B cells 20458337    
B cells 20458337    
Platelets 25332113    
Platelets 25332113    
Platelets 25332113    
Thymus 23844026    
 Gene ontology annotations for SPN
Molecular Function
    transmembrane signaling receptor activity GO:0004888 IEA
    protein binding GO:0005515 IPI
    Hsp70 protein binding GO:0030544 IPI
    heat shock protein binding GO:0031072 IBA
    heat shock protein binding GO:0031072 IPI
Biological Process
    response to protozoan GO:0001562 IEA
    negative regulation of type IV hypersensitivity GO:0001808 IEA
    T-helper 1 cell lineage commitment GO:0002296 IDA
    chemotaxis GO:0006935 TAS
    immune response GO:0006955 TAS
    cellular defense response GO:0006968 TAS
    negative regulation of cell adhesion GO:0007162 TAS
    establishment or maintenance of cell polarity GO:0007163 TAS
    signal transduction GO:0007165 TAS
    cell surface receptor signaling pathway GO:0007166 IBA
    T cell costimulation GO:0031295 IEA
    positive regulation of tumor necrosis factor production GO:0032760 IDA
    T cell proliferation GO:0042098 IEA
    positive regulation of T cell proliferation GO:0042102 IEA
    negative regulation of T cell proliferation GO:0042130 ISS
    defense response to bacterium GO:0042742 IBA
    defense response to bacterium GO:0042742 IDA
    negative thymic T cell selection GO:0045060 IEA
    regulation of defense response to virus GO:0050688 IEA
    regulation of immune response GO:0050776 IBA
    leukocyte tethering or rolling GO:0050901 ISS
    apoptotic signaling pathway GO:0097190 IEA
    regulation of T cell migration GO:2000404 ISS
    positive regulation of T cell migration GO:2000406 ISS
Subcellular Localization
    uropod GO:0001931 ISS
    basement membrane GO:0005604 IEA
    extracellular space GO:0005615 IDA
    plasma membrane GO:0005886 TAS
    microvillus GO:0005902 ISS
    external side of plasma membrane GO:0009897 IBA
    cell surface GO:0009986 IDA
    membrane GO:0016020 HDA
    PML body GO:0016605 IEA
    extracellular exosome GO:0070062 HDA
 Experiment description of studies that identified SPN in exosomes
1
Experiment ID 79
MISEV standards
Biophysical techniques
CD81|MHCII
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 20458337    
Organism Homo sapiens
Experiment description MHC class II-associated proteins in B-cell exosomes and potential functional implications for exosome biogenesis - Sample 1
Authors "Buschow SI, van Balkom BW, Aalberts M, Heck AJ, Wauben M, Stoorvogel W."
Journal name ICB
Publication year 2010
Sample B cells
Sample name RN (HLA-DR15)
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Immunobeads (MHC Class II)
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [FT-ICR]
Western blotting
2
Experiment ID 80
MISEV standards
Biophysical techniques
CD81|MHCII
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 20458337    
Organism Homo sapiens
Experiment description MHC class II-associated proteins in B-cell exosomes and potential functional implications for exosome biogenesis -Sample 2
Authors "Buschow SI, van Balkom BW, Aalberts M, Heck AJ, Wauben M, Stoorvogel W."
Journal name ICB
Publication year 2010
Sample B cells
Sample name RN (HLA-DR15)
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Immunobeads (MHC Class II)
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [FT-ICR]
Western blotting
3
Experiment ID 81
MISEV standards
Biophysical techniques
CD81|MHCII
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 20458337    
Organism Homo sapiens
Experiment description MHC class II-associated proteins in B-cell exosomes and potential functional implications for exosome biogenesis - Sample 3
Authors "Buschow SI, van Balkom BW, Aalberts M, Heck AJ, Wauben M, Stoorvogel W."
Journal name ICB
Publication year 2010
Sample B cells
Sample name RN (HLA-DR15)
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Immunobeads (MHC Class II)
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [FT-ICR]
Western blotting
4
Experiment ID 231
MISEV standards
Biophysical techniques
Alix|CD63|CD9
Enriched markers
Negative markers
NTA
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
5
Experiment ID 232
MISEV standards
Biophysical techniques
Enriched markers
Negative markers
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
6
Experiment ID 233
MISEV standards
Biophysical techniques
Enriched markers
Negative markers
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
7
Experiment ID 217
MISEV standards
EM
Biophysical techniques
TSG101|CD81|CD9|CD63
Enriched markers
Negative markers
NTA
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23844026    
Organism Homo sapiens
Experiment description Characterization of human thymic exosomes.
Authors "Skogberg G, Gudmundsdottir J, van der Post S, Sandstrom K, Bruhn S, Benson M, Mincheva-Nilsson L, Baranov V, Telemo E, Ekwall O."
Journal name PLoS One
Publication year 2013
Sample Thymus
Sample name Normal-Thymus
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
 Protein-protein interactions for SPN
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 ATR  
Affinity Capture-MS Homo sapiens
2 MYADM 91663
Affinity Capture-MS Homo sapiens
3 FANCD2  
Affinity Capture-MS Homo sapiens
4 ARL13B 200894
Two-hybrid Homo sapiens
5 MAN2B2 23324
Affinity Capture-MS Homo sapiens
6 KIF14 9928
Affinity Capture-MS Homo sapiens
7 ATP1A3 478
Affinity Capture-MS Homo sapiens
8 PEX19 5824
Affinity Capture-MS Homo sapiens
9 HEATR1 55127
Affinity Capture-MS Homo sapiens
10 UBQLN2 29978
Two-hybrid Homo sapiens
11 EIF2B2 8892
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
12 EZR 7430
Affinity Capture-Western Homo sapiens
Reconstituted Complex Homo sapiens
13 LGALS3 3958
Affinity Capture-MS Homo sapiens
14 IPO11 51194
Affinity Capture-MS Homo sapiens
15 ERGIC3 51614
Two-hybrid Homo sapiens
16 LGALS1 3956
Affinity Capture-Western Homo sapiens
Affinity Capture-MS Homo sapiens
17 GBF1 8729
Affinity Capture-MS Homo sapiens
18 SHMT2 6472
Affinity Capture-RNA Homo sapiens
19 EIF2B3 8891
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
20 EIF2B5 8893
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
21 PI4KA 5297
Affinity Capture-MS Homo sapiens
22 NUP160 23279
Affinity Capture-MS Homo sapiens
23 GALNT12 79695
Affinity Capture-MS Homo sapiens
24 TNPO2 30000
Affinity Capture-MS Homo sapiens
25 SAAL1 113174
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
26 XPO4 64328
Affinity Capture-MS Homo sapiens
27 PBXIP1 57326
Affinity Capture-MS Homo sapiens
28 MSN 4478
Affinity Capture-Western Homo sapiens
Reconstituted Complex Homo sapiens
Reconstituted Complex Homo sapiens
29 MTOR 2475
Affinity Capture-MS Homo sapiens
30 SLC39A11  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
31 SPAG9 9043
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
32 PPFIBP1 8496
Affinity Capture-MS Homo sapiens
33 PLP2 5355
Two-hybrid Homo sapiens
34 NCAPG2 54892
Affinity Capture-MS Homo sapiens
35 METTL9 51108
Affinity Capture-MS Homo sapiens
36 EIF2B1 1967
Affinity Capture-MS Homo sapiens
37 LGALS8 3964
Affinity Capture-MS Homo sapiens
38 DYM  
Affinity Capture-MS Homo sapiens
39 NUP85 79902
Affinity Capture-MS Homo sapiens
40 THADA 63892
Affinity Capture-MS Homo sapiens
41 SGTA 6449
Two-hybrid Homo sapiens
42 C17orf62 79415
Two-hybrid Homo sapiens
43 EIF2B4 8890
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
44 DAXX  
Two-hybrid Homo sapiens
45 NCDN 23154
Affinity Capture-MS Homo sapiens
46 CXCL16 58191
Two-hybrid Homo sapiens
View the network image/svg+xml
 Pathways in which SPN is involved
PathwayEvidenceSource
Basigin interactions TAS Reactome
Cell surface interactions at the vascular wall TAS Reactome
Hemostasis TAS Reactome





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