Gene description for THBS2
Gene name thrombospondin 2
Gene symbol THBS2
Other names/aliases TSP2
Species Homo sapiens
 Database cross references - THBS2
ExoCarta ExoCarta_7058
Entrez Gene 7058
HGNC 11786
MIM 188061
UniProt P35442  
 THBS2 identified in exosomes derived from the following tissue/cell type
Keratinocytes 19530224    
Keratinocytes 19530224    
Malignant pleural effusions 14975938    
Melanoma cells 25950383    
Mesenchymal stem cells Unpublished / Not applicable
Prostate cancer cells 25844599    
Squamous carcinoma cells 20124223    
 Gene ontology annotations for THBS2
Molecular Function
    calcium ion binding GO:0005509 IEA
    heparin binding GO:0008201 IEA
    protein binding GO:0005515 IPI
Biological Process
    positive regulation of synapse assembly GO:0051965 IEA
    cell adhesion GO:0007155 IEA
    negative regulation of angiogenesis GO:0016525 IDA
Subcellular Localization
    platelet alpha granule GO:0031091 IDA
    basement membrane GO:0005604 IEA
    extracellular region GO:0005576 TAS
 Experiment description of studies that identified THBS2 in exosomes
1
Experiment ID 189
ISEV standards
✔
EM
EV Biophysical techniques
✘ EV Cytosolic markers
✘ EV Membrane markers
✘ EV Negative markers
✘ EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 19530224    
Organism Homo sapiens
Experiment description Profile of exosomes related proteins released by differentiated and undifferentiated human keratinocytes.
Authors Chavez-Muñoz C, Kilani RT, Ghahary A.
Journal name J Cell Physiol
Publication year 2009
Sample Keratinocytes
Sample name Keratinocytes - Differentiated
Isolation/purification methods Differential centrifugation
Filtration
Sucrose cushion
Filtration
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
2
Experiment ID 190
ISEV standards
✔
EM
EV Biophysical techniques
✔
HSC70
EV Cytosolic markers
✘ EV Membrane markers
✘ EV Negative markers
✘ EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 19530224    
Organism Homo sapiens
Experiment description Profile of exosomes related proteins released by differentiated and undifferentiated human keratinocytes.
Authors Chavez-Muñoz C, Kilani RT, Ghahary A.
Journal name J Cell Physiol
Publication year 2009
Sample Keratinocytes
Sample name Keratinocytes - Undifferentiated
Isolation/purification methods Differential centrifugation
Filtration
Sucrose cushion
Filtration
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
3
Experiment ID 52
ISEV standards
✔
EM
EV Biophysical techniques
✔
HSP90
EV Cytosolic markers
✔
MHCII
EV Membrane markers
✘ EV Negative markers
✘ EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 14975938    
Organism Homo sapiens
Experiment description Proteomic analysis of exosomes isolated from human malignant pleural effusions.
Authors Bard MP, Hegmans JP, Hemmes A, Luider TM, Willemsen R, Severijnen LA, van Meerbeeck JP, Burgers SA, Hoogsteden HC, Lambrecht BN
Journal name AJRCMB
Publication year 2004
Sample Malignant pleural effusions
Sample name Pleural Fluid - Lung cancer
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [MALDI TOF]
Western blotting
4
Experiment ID 260
ISEV standards
✔
EM
EV Biophysical techniques
✔
TSG101
EV Cytosolic markers
✔
FLOT1|CD81
EV Membrane markers
✘ EV Negative markers
✔
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25950383    
Organism Homo sapiens
Experiment description Proteome characterization of melanoma exosomes reveals a specific signature for metastatic cell lines
Authors Lazar I, Clement E, Ducoux-Petit M, Denat L, Soldan V, Dauvillier S, Balor S4, Burlet-Schiltz O1, Larue L, Muller C Nieto L
Journal name Pigment Cell Melanoma Res
Publication year 2015
Sample Melanoma cells
Sample name 1205Lu
Isolation/purification methods Differential centrifugation
Unltracentrifugation
Sucrose density gradient
Flotation density 1.13 - 1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
5
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
Mass spectrometry [LTQ-FT Ultra]
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
6
Experiment ID 275
ISEV standards
✔
EM
EV Biophysical techniques
✔
TSG101|Alix|RAB5A
EV Cytosolic markers
✔
CD9|CD82|CD63|CD81
EV Membrane markers
✔
AIF
EV Negative markers
✔
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25844599    
Organism Homo sapiens
Experiment description Molecular profiling of prostate cancer derived exosomes may reveal a predictive signature for response to docetaxel.
Authors Kharaziha P, Chioureas D, Rutishauser D, Baltatzis G, Lennartsson L, Fonseca P, Azimi A, Hultenby K, Zubarev R, Ullen A, Yachnin J, Nilsson S, Panaretakis T.
Journal name Oncotarget
Publication year 2015
Sample Prostate cancer cells
Sample name DU145 - Docetaxel sensitive
Isolation/purification methods Filtration
Ultracentrifugation
Sucrose density gradient
Flotation density 1.12-1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry/Flow cytometry/Western blotting
7
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
 Protein-protein interactions for THBS2
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 THBS2 7058
Invivo Homo sapiens
Invitro Homo sapiens
Invivo Homo sapiens
Invitro Homo sapiens
2 MMP2 4313
Invitro Homo sapiens
Two-hybrid Homo sapiens
3 THBS3  
Invivo Homo sapiens
Invitro Homo sapiens
4 MMP9 4318
Invitro Homo sapiens
Two-hybrid Homo sapiens
View the network image/svg+xml
 Pathways in which THBS2 is involved
PathwayEvidenceSource
O-glycosylation of TSR domain-containing proteins TAS Reactome
Signaling by PDGF TAS Reactome





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