Gene description for PTX3
Gene name pentraxin 3, long
Gene symbol PTX3
Other names/aliases TNFAIP5
TSG-14
Species Homo sapiens
 Database cross references - PTX3
ExoCarta ExoCarta_5806
Entrez Gene 5806
HGNC 9692
MIM 602492
UniProt P26022  
 PTX3 identified in exosomes derived from the following tissue/cell type
Endothelial cells 26027894    
Malignant pleural effusions 14975938    
Melanoma cells 25950383    
Melanoma cells 25950383    
Mesenchymal stem cells Unpublished / Not applicable
Prostate cancer cells 22723089    
Prostate cancer cells 22723089    
Prostate cancer cells 22723089    
Prostate cancer cells 22723089    
 Gene ontology annotations for PTX3
Molecular Function
    complement component C1q binding GO:0001849 IDA
    (1->3)-beta-D-glucan binding GO:0001872 IEA
    virion binding GO:0046790 IDA
Biological Process
    negative regulation of exo-alpha-sialidase activity GO:1903016 IDA
    opsonization GO:0008228 IEA
    response to yeast GO:0001878 IEA
    innate immune response GO:0045087 IDA
    negative regulation by host of viral exo-alpha-sialidase activity GO:0044869 IDA
    negative regulation by host of viral glycoprotein metabolic process GO:0044871 IDA
    positive regulation of nitric oxide biosynthetic process GO:0045429 IEA
    inflammatory response GO:0006954 TAS
    positive regulation of phagocytosis GO:0050766 IEA
    negative regulation of viral entry into host cell GO:0046597 IDA
    negative regulation of glycoprotein metabolic process GO:1903019 IDA
Subcellular Localization
    extracellular region GO:0005576 TAS
    extracellular space GO:0005615 IDA
 Experiment description of studies that identified PTX3 in exosomes
1
Experiment ID 226
ISEV standards
EM
EV Biophysical techniques
GAPDH
EV Cytosolic markers
CD9|FLOT1
EV Membrane markers
LMNA|H2AFX|ATP5A1|TOMM20
EV Negative markers
EV Particle analysis
Identified molecule mRNA
Identification method Small RNA sequencing (Illumina HiSeq 2000 (Solexa)
PubMed ID 26027894    
Organism Homo sapiens
Experiment description Quantitative and qualitative analysis of small RNAs in human endothelial cells and exosomes provides insights into localized RNA processing, degradation and sorting
Authors Bas W. M. van Balkom, Almut S. Eisele, D. Michiel Pegtel, Sander Bervoets, Marianne C. Verhaar
Journal name Journal of Extracellular Vesicles
Publication year 2015
Sample Endothelial cells
Sample name HMEC-1
Isolation/purification methods Differential ultracentrifugation
Sucrose density gradient
Flotation density 1.10 g/mL
Molecules identified in the study miRNA
Protein
snoRNA
lncRNA
yRNA
snRNA
mRNA
ncRNA
mtRNA
vtRNA
scaRNA
lincRNA
Methods used in the study Small RNA sequencing (Illumina HiSeq 2000 (Solexa)
Western blotting
2
Experiment ID 226
ISEV standards
EM
EV Biophysical techniques
GAPDH
EV Cytosolic markers
CD9|FLOT1
EV Membrane markers
LMNA|H2AFX|ATP5A1|TOMM20
EV Negative markers
EV Particle analysis
Identified molecule mRNA
Identification method Small RNA sequencing (Illumina HiSeq 2000 (Solexa)
PubMed ID 26027894    
Organism Homo sapiens
Experiment description Quantitative and qualitative analysis of small RNAs in human endothelial cells and exosomes provides insights into localized RNA processing, degradation and sorting
Authors Bas W. M. van Balkom, Almut S. Eisele, D. Michiel Pegtel, Sander Bervoets, Marianne C. Verhaar
Journal name Journal of Extracellular Vesicles
Publication year 2015
Sample Endothelial cells
Sample name HMEC-1
Isolation/purification methods Differential ultracentrifugation
Sucrose density gradient
Flotation density 1.10 g/mL
Molecules identified in the study miRNA
Protein
snoRNA
lncRNA
yRNA
snRNA
mRNA
ncRNA
mtRNA
vtRNA
scaRNA
lincRNA
Methods used in the study Small RNA sequencing (Illumina HiSeq 2000 (Solexa)
Western blotting
3
Experiment ID 51
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 - Breast 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 259
ISEV standards
EM
EV Biophysical techniques
TSG101
EV Cytosolic markers
FLOT1
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 A375M
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 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
6
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
7
Experiment ID 136
ISEV standards
EM
EV Biophysical techniques
HSP70|HSP90|RAB5
EV Cytosolic markers
CD9
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method
Mass spectrometry [QTOF]   
PubMed ID 22723089    
Organism Homo sapiens
Experiment description Prostate cancer cell derived exosomes
Authors Hosseini-Beheshti E, Guns ES.
Journal name MCP
Publication year 2012
Sample Prostate cancer cells
Sample name PC3 - Rep 2
Isolation/purification methods Sucrose density gradient
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [QTOF]
8
Experiment ID 137
ISEV standards
EM
EV Biophysical techniques
HSP70|HSP90|RAB6
EV Cytosolic markers
CD10
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method
Mass spectrometry [QTOF]   
PubMed ID 22723089    
Organism Homo sapiens
Experiment description Prostate cancer cell derived exosomes
Authors Hosseini-Beheshti E, Guns ES.
Journal name MCP
Publication year 2012
Sample Prostate cancer cells
Sample name PC3 - Rep 3
Isolation/purification methods Sucrose density gradient
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [QTOF]
9
Experiment ID 140
ISEV standards
EM
EV Biophysical techniques
HSP70|HSP90|RAB5
EV Cytosolic markers
LAMP2|CD9
EV Membrane markers
HSP90B1
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method
Mass spectrometry [QTOF]   
PubMed ID 22723089    
Organism Homo sapiens
Experiment description Prostate cancer cell derived exosomes
Authors Hosseini-Beheshti E, Guns ES.
Journal name MCP
Publication year 2012
Sample Prostate cancer cells
Sample name VCaP - Rep 2
Isolation/purification methods Sucrose density gradient
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [QTOF]
10
Experiment ID 141
ISEV standards
EM
EV Biophysical techniques
HSP70|HSP90|RAB5
EV Cytosolic markers
LAMP2|CD9
EV Membrane markers
HSP90B1
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method
Mass spectrometry [QTOF]   
PubMed ID 22723089    
Organism Homo sapiens
Experiment description Prostate cancer cell derived exosomes
Authors Hosseini-Beheshti E, Guns ES.
Journal name MCP
Publication year 2012
Sample Prostate cancer cells
Sample name VCaP - Rep 3
Isolation/purification methods Sucrose density gradient
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [QTOF]
 Protein-protein interactions for PTX3
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 C1QC 714
Invitro Homo sapiens
2 C1QA 712
Invitro Homo sapiens
Invivo Homo sapiens
3 C1QB 713
Invitro Homo sapiens
View the network image/svg+xml
 Pathways in which PTX3 is involved
No pathways found





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