Gene description for PTPN2
Gene name protein tyrosine phosphatase, non-receptor type 2
Gene symbol PTPN2
Other names/aliases PTN2
PTPT
TC-PTP
TCELLPTP
TCPTP
Species Homo sapiens
 Database cross references - PTPN2
ExoCarta ExoCarta_5771
Entrez Gene 5771
HGNC 9650
MIM 176887
UniProt P17706  
 PTPN2 identified in exosomes derived from the following tissue/cell type
Ovarian cancer cells 23333927    
Ovarian cancer cells 23333927    
Thymus 23844026    
 Gene ontology annotations for PTPN2
Molecular Function
    syntaxin binding GO:0019905 IPI
    protein tyrosine phosphatase activity GO:0004725 IMP
    receptor tyrosine kinase binding GO:0030971 IPI
    integrin binding GO:0005178 IPI
    protein kinase binding GO:0019901 IPI
    protein binding GO:0005515 IPI
Biological Process
    regulation of interferon-gamma-mediated signaling pathway GO:0060334 TAS
    negative regulation of epidermal growth factor receptor signaling pathway GO:0042059 IMP
    negative regulation of interleukin-2-mediated signaling pathway GO:1902206 IMP
    negative regulation of tyrosine phosphorylation of Stat6 protein GO:0042527 IMP
    positive regulation of gluconeogenesis GO:0045722 ISS
    negative regulation of prolactin signaling pathway GO:1902212 ISS
    negative regulation of lipid storage GO:0010888 ISS
    negative regulation of type I interferon-mediated signaling pathway GO:0060339 IMP
    negative regulation of macrophage differentiation GO:0045650 ISS
    negative regulation of macrophage colony-stimulating factor signaling pathway GO:1902227 ISS
    negative regulation of interleukin-6-mediated signaling pathway GO:0070104 IMP
    negative regulation of platelet-derived growth factor receptor-beta signaling pathway GO:2000587 ISS
    T cell differentiation GO:0030217 ISS
    negative regulation of tyrosine phosphorylation of Stat1 protein GO:0042512 IMP
    interferon-gamma-mediated signaling pathway GO:0060333 TAS
    cytokine-mediated signaling pathway GO:0019221 TAS
    erythrocyte differentiation GO:0030218 ISS
    negative regulation of interleukin-4-mediated signaling pathway GO:1902215 IMP
    negative regulation of tumor necrosis factor-mediated signaling pathway GO:0010804 ISS
    glucose homeostasis GO:0042593 ISS
    negative regulation of positive thymic T cell selection GO:1902233 ISS
    negative regulation of chemotaxis GO:0050922 ISS
    insulin receptor signaling pathway GO:0008286 ISS
    negative regulation of tyrosine phosphorylation of Stat5 protein GO:0042524 ISS
    negative regulation of inflammatory response GO:0050728 ISS
    B cell differentiation GO:0030183 ISS
    negative regulation of tyrosine phosphorylation of Stat3 protein GO:0042518 IDA
    negative regulation of ERK1 and ERK2 cascade GO:0070373 ISS
    negative regulation of cell proliferation GO:0008285 IMP
    regulation of hepatocyte growth factor receptor signaling pathway GO:1902202 IMP
    negative regulation of insulin receptor signaling pathway GO:0046627 ISS
    peptidyl-tyrosine dephosphorylation GO:0035335 IMP
    negative regulation of interferon-gamma-mediated signaling pathway GO:0060336 ISS
    negative regulation of T cell receptor signaling pathway GO:0050860 ISS
Subcellular Localization
    nucleus GO:0005634 IDA
    nucleoplasm GO:0005654 TAS
    plasma membrane GO:0005886 IDA
    endoplasmic reticulum-Golgi intermediate compartment GO:0005793 IDA
    endoplasmic reticulum GO:0005783 IDA
 Experiment description of studies that identified PTPN2 in exosomes
1
Experiment ID 211
ISEV standards
EM
EV Biophysical techniques
TSG101|Alix
EV Cytosolic markers
EpCAM|TFRC
EV Membrane markers
cytochrome c|GOLGA2
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23333927    
Organism Homo sapiens
Experiment description Characterization and proteomic analysis of ovarian cancer-derived exosomes.
Authors Liang B, Peng P, Chen S, Li L, Zhang M, Cao D, Yang J, Li H, Gui T, Li X, Shen K.
Journal name J Proteomics
Publication year 2013
Sample Ovarian cancer cells
Sample name IGROV1
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.09-1.15 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
2
Experiment ID 212
ISEV standards
CEM
EV Biophysical techniques
TSG101|Alix
EV Cytosolic markers
EpCAM|TFRC
EV Membrane markers
Cytochrome C|GOLGA2
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23333927    
Organism Homo sapiens
Experiment description Characterization and proteomic analysis of ovarian cancer-derived exosomes.
Authors Liang B, Peng P, Chen S, Li L, Zhang M, Cao D, Yang J, Li H, Gui T, Li X, Shen K.
Journal name J Proteomics
Publication year 2013
Sample Ovarian cancer cells
Sample name OVCAR-3
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.09-1.15 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
3
Experiment ID 217
ISEV standards
EM
EV Biophysical techniques
TSG101
EV Cytosolic markers
CD81|CD9|CD63
EV Membrane markers
EV Negative markers
NTA
EV 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 PTPN2
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 STAT3 6774
Affinity Capture-Western Homo sapiens
Affinity Capture-MS Homo sapiens
2 SFN 2810
Affinity Capture-MS Homo sapiens
View the network image/svg+xml
 Pathways in which PTPN2 is involved
No pathways found





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