Gene description for Itgb2
Gene name integrin beta 2
Gene symbol Itgb2
Other names/aliases 2E6
AI528527
Cd18
LAD
LCAMB
Lfa1
MF17
Species Mus musculus
 Database cross references - Itgb2
ExoCarta ExoCarta_16414
Vesiclepedia VP_16414
Entrez Gene 16414
UniProt P11835  
 Itgb2 identified in sEVs derived from the following tissue/cell type
Colon cancer cells 37309723    
Dendritic cells 11390481    
Macrophages 23658846    
Macrophages 23658846    
Macrophages 23658846    
Mast cells 11145662    
Mast cells 11306949    
Microglia 16081791    
T-cell lymphoma cells 37309723    
 Gene ontology annotations for Itgb2
Molecular Function
    amyloid-beta binding GO:0001540 IBA
    amyloid-beta binding GO:0001540 IMP
    complement component C3b binding GO:0001851 IGI
    integrin binding GO:0005178 IBA
    protein binding GO:0005515 IPI
    protein kinase binding GO:0019901 IBA
    protein kinase binding GO:0019901 ISO
    ICAM-3 receptor activity GO:0030369 ISO
    heat shock protein binding GO:0031072 ISO
    cargo receptor activity GO:0038024 IMP
    protein-containing complex binding GO:0044877 ISO
    metal ion binding GO:0046872 IEA
    cell adhesion molecule binding GO:0050839 ISO
    cell adhesion molecule binding GO:0050839 ISO
Biological Process
    leukocyte migration involved in inflammatory response GO:0002523 ISO
    receptor-mediated endocytosis GO:0006898 IMP
    phagocytosis, engulfment GO:0006911 IMP
    cell adhesion GO:0007155 IGI
    cell adhesion GO:0007155 IMP
    cell adhesion GO:0007155 ISO
    leukocyte cell-cell adhesion GO:0007159 IBA
    leukocyte cell-cell adhesion GO:0007159 ISO
    cell-matrix adhesion GO:0007160 IBA
    cell-matrix adhesion GO:0007160 ISO
    cell-matrix adhesion GO:0007160 NAS
    integrin-mediated signaling pathway GO:0007229 IBA
    integrin-mediated signaling pathway GO:0007229 IDA
    integrin-mediated signaling pathway GO:0007229 ISO
    integrin-mediated signaling pathway GO:0007229 NAS
    neutrophil chemotaxis GO:0030593 IBA
    neutrophil chemotaxis GO:0030593 IMP
    neutrophil chemotaxis GO:0030593 ISO
    receptor internalization GO:0031623 IDA
    positive regulation of superoxide anion generation GO:0032930 ISO
    cell adhesion mediated by integrin GO:0033627 IBA
    heterotypic cell-cell adhesion GO:0034113 ISO
    receptor clustering GO:0043113 ISO
    positive regulation of neutrophil degranulation GO:0043315 ISO
    endothelial cell migration GO:0043542 ISO
    cellular extravasation GO:0045123 IMP
    cellular extravasation GO:0045123 ISO
    positive regulation of nitric oxide biosynthetic process GO:0045429 ISO
    positive regulation of angiogenesis GO:0045766 ISO
    regulation of peptidyl-tyrosine phosphorylation GO:0050730 ISO
    activated T cell proliferation GO:0050798 IMP
    cellular response to low-density lipoprotein particle stimulus GO:0071404 IDA
    amyloid-beta clearance GO:0097242 IMP
    cell-cell adhesion GO:0098609 IGI
    cell-cell adhesion GO:0098609 IGI
    cell-cell adhesion GO:0098609 ISO
    positive regulation of leukocyte adhesion to vascular endothelial cell GO:1904996 IMP
    neutrophil migration GO:1990266 ISO
Subcellular Localization
    plasma membrane GO:0005886 ISO
    focal adhesion GO:0005925 IBA
    integrin complex GO:0008305 IBA
    external side of plasma membrane GO:0009897 IDA
    cell surface GO:0009986 IBA
    cell surface GO:0009986 IDA
    cell surface GO:0009986 ISO
    membrane GO:0016020 IDA
    integrin alphaL-beta2 complex GO:0034687 ISO
    integrin alphaM-beta2 complex GO:0034688 IMP
    integrin alphaM-beta2 complex GO:0034688 ISO
    integrin alphaX-beta2 complex GO:0034689 ISO
    receptor complex GO:0043235 ISO
    plasma membrane raft GO:0044853 ISO
    membrane raft GO:0045121 IDA
 Experiment description of studies that identified Itgb2 in sEVs
1
Experiment ID 907
MISEV standards
EM
Biophysical techniques
Tsg101|Sdcbp|Cd151|Gapdh|Lamp2|Cd81|Cd82|Cd9|Cd63|Cd80|Flot2|Tfrc|Rab35|Rab5a
Enriched markers
HSPA5
Negative markers
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 37309723    
Organism Mus musculus
Experiment description Proteomic analysis of the small extracellular vesicles and soluble secretory proteins from cachexia inducing and non-inducing cancer cells
Authors "Chitti SV, Kang T, Fonseka P, Marzan AL, Stewart S, Shahi S, Bramich K, Ang CS, Pathan M, Gummadi S, Mathivanan S."
Journal name Proteomics
Publication year 2023
Sample Colon cancer cells
Sample name C26
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
2
Experiment ID 10
MISEV standards
EM
Biophysical techniques
Alix|CD9|MHCII|MHCI|CD86|LAMP2
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry [MALDI TOF]
Mass spectrometry [QTOF]
PubMed ID 11390481    
Organism Mus musculus
Experiment description Proteomic analysis of dendritic cell-derived exosomes: a secreted subcellular compartment distinct from apoptotic vesicles.
Authors "Thery C, Boussac M, Veron P, Ricciardi-Castagnoli P, Raposo G, Garin J, Amigorena S."
Journal name JIMMU
Publication year 2001
Sample Dendritic cells
Sample name D1
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Flotation density 1.15-1.18 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [MALDI TOF]
Mass spectrometry [QTOF]
Western blotting
3
Experiment ID 214
MISEV standards
EM
Biophysical techniques
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23658846    
Organism Mus musculus
Experiment description Immunomodulatory impact of leishmania-induced macrophage exosomes: a comparative proteomic and functional analysis.
Authors "Hassani K, Olivier M."
Journal name PLoS Negl Trop Dis
Publication year 2013
Sample Macrophages
Sample name Leishmania-infected-Macrophage (J774A.1)
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Filtration
Protease inhibitors
Sucrose density gradient
Filtration
Ultracentrifugation
Flotation density 1.13-1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
4
Experiment ID 215
MISEV standards
EM
Biophysical techniques
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23658846    
Organism Mus musculus
Experiment description Immunomodulatory impact of leishmania-induced macrophage exosomes: a comparative proteomic and functional analysis.
Authors "Hassani K, Olivier M."
Journal name PLoS Negl Trop Dis
Publication year 2013
Sample Macrophages
Sample name LPS-treated-Macrophage (J774A.1)
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Filtration
Protease inhibitors
Sucrose density gradient
Filtration
Ultracentrifugation
Flotation density 1.13-1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
5
Experiment ID 216
MISEV standards
EM
Biophysical techniques
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23658846    
Organism Mus musculus
Experiment description Immunomodulatory impact of leishmania-induced macrophage exosomes: a comparative proteomic and functional analysis.
Authors "Hassani K, Olivier M."
Journal name PLoS Negl Trop Dis
Publication year 2013
Sample Macrophages
Sample name Normal-Macrophage (J774A.1)
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Filtration
Protease inhibitors
Sucrose density gradient
Filtration
Ultracentrifugation
Flotation density 1.13-1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
6
Experiment ID 5
MISEV standards
EM|IEM
Biophysical techniques
CD86|CD80
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method ELISA
PubMed ID 11145662    
Organism Mus musculus
Experiment description Mast cell-dependent B and T lymphocyte activation is mediated by the secretion of immunologically active exosomes.
Authors "Skokos D, Le Panse S, Villa I, Rousselle JC, Peronet R, David B, Namane A, Mecheri S"
Journal name JIMMU
Publication year 2001
Sample Mast cells
Sample name P815
MC9
Bone marrow-derived mast cells
Isolation/purification methods Differential centrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [MALDI TOF]
ELISA
7
Experiment ID 6
MISEV standards
Biophysical techniques
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Western blotting
PubMed ID 11306949    
Organism Mus musculus
Experiment description Nonspecific B and T cell-stimulatory activity mediated by mast cells is associated with exosomes.
Authors "Skokos D, Le Panse S, Villa I, Rousselle JC, Peronet R, Namane A, David B, Mecheri S"
Journal name IAAI
Publication year 2001
Sample Mast cells
Sample name Bone marrow-derived mast cells
Isolation/purification methods -
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
8
Experiment ID 14
MISEV standards
EM
Biophysical techniques
RAB7|RAB11|CD9|CD63|LAMP1|LAMP2
Enriched markers
DNM
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 16081791    
Organism Mus musculus
Experiment description Proteomic analysis of microglia-derived exosomes: metabolic role of the aminopeptidase CD13 in neuropeptide catabolism.
Authors "Potolicchio I, Carven GJ, Xu X, Stipp C, Riese RJ, Stern LJ, Santambrogio L"
Journal name JIMMU
Publication year 2005
Sample Microglia
Sample name N9
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Flotation density 1.15 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [LCQ DECA XP]
Western blotting
9
Experiment ID 908
MISEV standards
EM
Biophysical techniques
Tsg101|Sdcbp|Cd151|Gapdh|Lamp2|Cd81|Cd82|Cd9|Cd63|Cd80|Flot2|Tfrc|Rab35|Rab5a
Enriched markers
HSPA5
Negative markers
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 37309723    
Organism Mus musculus
Experiment description Proteomic analysis of the small extracellular vesicles and soluble secretory proteins from cachexia inducing and non-inducing cancer cells
Authors "Chitti SV, Kang T, Fonseka P, Marzan AL, Stewart S, Shahi S, Bramich K, Ang CS, Pathan M, Gummadi S, Mathivanan S."
Journal name Proteomics
Publication year 2023
Sample T-cell lymphoma cells
Sample name EL4
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
 Protein-protein interactions for Itgb2
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 Tmem173  
Proximity Label-MS Mus musculus
2 Samsn1  
Co-fractionation Mus musculus
3 Laptm5 16792
Co-fractionation Mus musculus
4 Itgax  
Co-fractionation Mus musculus
5 Tor1aip2  
Co-fractionation Mus musculus
6 Tlr13  
Co-fractionation Mus musculus
7 Glipr1  
Co-fractionation Mus musculus
8 Ncf4  
Co-fractionation Mus musculus
9 Ywhab 54401
Affinity Capture-Western Mus musculus
10 Fancd2  
Affinity Capture-MS Mus musculus
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