Gene description for GPX2
Gene name glutathione peroxidase 2
Gene symbol GPX2
Other names/aliases GI-GPx
GPRP
GPRP-2
GPx-2
GPx-GI
GSHPX-GI
GSHPx-2
Species Homo sapiens
 Database cross references - GPX2
ExoCarta ExoCarta_2877
Vesiclepedia VP_2877
Entrez Gene 2877
HGNC 4554
MIM 138319
UniProt P18283  
 GPX2 identified in sEVs derived from the following tissue/cell type
Colorectal cancer cells 25890246    
Colorectal cancer cells 34887515    
Hepatocellular carcinoma cells 26054723    
Hepatocellular carcinoma cells 26054723    
 Gene ontology annotations for GPX2
Molecular Function
    glutathione peroxidase activity GO:0004602 IBA
    glutathione peroxidase activity GO:0004602 IDA
    electron transfer activity GO:0009055 TAS
    phospholipid-hydroperoxide glutathione peroxidase activity GO:0047066 IDA
Biological Process
    response to oxidative stress GO:0006979 IEA
    cellular oxidant detoxification GO:0098869 IEA
Subcellular Localization
    cytoplasm GO:0005737 TAS
    cytosol GO:0005829 IDA
    cytosol GO:0005829 TAS
    intercellular bridge GO:0045171 IDA
    mitotic spindle GO:0072686 IDA
 Experiment description of studies that identified GPX2 in sEVs
1
Experiment ID 283
MISEV standards
✔
CEM
Biophysical techniques
✔
Alix|TSG101|CD63|CD81|EpCAM
Enriched markers
✘ Negative markers
✔
DLS
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25890246    
Organism Homo sapiens
Experiment description Highly-purified exosomes and shed microvesicles isolated from the human colon cancer cell line LIM1863 by sequential centrifugal ultrafiltration are biochemically and functionally distinct.
Authors "Xu R, Greening DW, Rai A, Ji H, Simpson RJ."
Journal name Methods
Publication year 2015
Sample Colorectal cancer cells
Sample name LIM1863 - Ultracentrifugation - Rep 2
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Centrifugal concentration
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
Western blotting
2
Experiment ID 1203
MISEV standards
✔
EM
Biophysical techniques
✔
SDCBP|FLOT1|CD9|CD81|CD63|EPCAM|GAPDH|LAMP1|TFRC|CD151|CD82|LAMP2|RAB35|TSG101|FLOT2|RAB5B|ICAM1|RAB5A
Enriched markers
✘ Negative markers
✘ Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 34887515    
Organism Homo sapiens
Experiment description Supermeres are functional extracellular nanoparticles replete with disease biomarkers and therapeutic targets
Authors "Zhang Q, Jeppesen DK, Higginbotham JN, Graves-Deal R, Trinh VQ, Ramirez MA, Sohn Y, Neininger AC, Taneja N, McKinley ET, Niitsu H, Cao Z, Evans R, Glass SE, Ray KC, Fissell WH, Hill S, Rose KL, Huh WJ, Washington MK, Ayers GD, Burnette DT, Sharma S, Rome LH, Franklin JL, Lee YA, Liu Q, Coffey RJ."
Journal name Nat Cell Biol
Publication year 2021
Sample Colorectal cancer cells
Sample name DiFi
Isolation/purification methods Differential centrifugation
Filtration
Centrifugal ultrafiltration
Ultracentrifugation
OptiPrep density gradient centrifugation
Flotation density -
Molecules identified in the study Protein
miRNA
Methods used in the study Western blotting
Mass spectrometry
RNA sequencing
3
Experiment ID 234
MISEV standards
✔
EM
Biophysical techniques
✔
TSG101|Alix|HSC70|GAPDH
Enriched markers
✔
HSP90B1
Negative markers
✔
qNano
Particle analysis
Identified molecule mRNA
Identification method RNA Sequencing
PubMed ID 26054723    
Organism Homo sapiens
Experiment description Hepatocellular carcinoma-derived exosomes promote motility of immortalized hepatocyte through transfer of oncogenic proteins and RNAs
Authors "He M, Qin H, Poon TC, Sze SC, Ding X, Co NN, Ngai SM, Chan TF, Wong N"
Journal name Carcinogenesis
Publication year 2015
Sample Hepatocellular carcinoma cells
Sample name HKCI-C3
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Sucrose density gradient
Flotation density 1.13-1.19 g/mL
Molecules identified in the study Protein
RNA
Methods used in the study Western blotting
Mass spectrometry
RT-PCR
RNA Sequencing
4
Experiment ID 236
MISEV standards
✔
EM
Biophysical techniques
✔
TSG101|Alix|HSC70|GAPDH
Enriched markers
✔
HSP90B1
Negative markers
✔
qNano
Particle analysis
Identified molecule mRNA
Identification method RNA Sequencing
PubMed ID 26054723    
Organism Homo sapiens
Experiment description Hepatocellular carcinoma-derived exosomes promote motility of immortalized hepatocyte through transfer of oncogenic proteins and RNAs
Authors "He M, Qin H, Poon TC, Sze SC, Ding X, Co NN, Ngai SM, Chan TF, Wong N"
Journal name Carcinogenesis
Publication year 2015
Sample Hepatocellular carcinoma cells
Sample name MHCC97L
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Sucrose density gradient
Flotation density 1.13-1.19 g/mL
Molecules identified in the study Protein
RNA
Methods used in the study Western blotting
Mass spectrometry
RT-PCR
RNA Sequencing
 Protein-protein interactions for GPX2
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 TP53 7157
Two-hybrid Homo sapiens
2 MYC  
Two-hybrid Homo sapiens
3 PSMB2 5690
Two-hybrid Homo sapiens
View the network image/svg+xml



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