Gene description for HMGB2
Gene name high mobility group box 2
Gene symbol HMGB2
Other names/aliases HMG2
Species Homo sapiens
 Database cross references - HMGB2
ExoCarta ExoCarta_3148
Entrez Gene 3148
HGNC 5000
MIM 163906
UniProt P26583  
 HMGB2 identified in exosomes derived from the following tissue/cell type
Colorectal cancer cells 25890246    
Colorectal cancer cells 25890246    
Colorectal cancer cells 25890246    
Colorectal cancer cells 25890246    
Ovarian cancer cells 23333927    
Ovarian cancer cells 23333927    
 Gene ontology annotations for HMGB2
Molecular Function
    chemoattractant activity GO:0042056 IDA
    damaged DNA binding GO:0003684 IDA
    RAGE receptor binding GO:0050786 IGI
    double-stranded DNA binding GO:0003690 ISS
    DNA binding, bending GO:0008301 IDA
    DNA binding GO:0003677 IMP
    single-stranded DNA binding GO:0003697 ISS
    transcription regulatory region DNA binding GO:0044212 IDA
    protein domain specific binding GO:0019904 IEA
    poly(A) RNA binding GO:0044822 IDA
    chromatin binding GO:0003682 IBA
    protein binding GO:0005515 IPI
    sequence-specific DNA binding transcription factor activity GO:0003700 IDA
Biological Process
    cellular component disassembly involved in execution phase of apoptosis GO:0006921 TAS
    chromatin organization GO:0006325 NAS
    cellular response to lipopolysaccharide GO:0071222 IEP
    negative regulation of extrinsic apoptotic signaling pathway via death domain receptors GO:1902042 IEA
    positive regulation of megakaryocyte differentiation GO:0045654 IMP
    base-excision repair, DNA ligation GO:0006288 IDA
    positive regulation of nuclease activity GO:0032075 IDA
    response to steroid hormone GO:0048545 IEA
    programmed cell death GO:0012501 TAS
    chromatin remodeling GO:0006338 IBA
    positive regulation of transcription from RNA polymerase II promoter GO:0045944 IDA
    apoptotic DNA fragmentation GO:0006309 TAS
    positive regulation of transcription, DNA-templated GO:0045893 IDA
    negative regulation of transcription, DNA-templated GO:0045892 IDA
    DNA ligation involved in DNA repair GO:0051103 ISS
    V(D)J recombination GO:0033151 ISS
    positive regulation of erythrocyte differentiation GO:0045648 IMP
    positive regulation of DNA binding GO:0043388 IDA
    male gonad development GO:0008584 IEA
    spermatid nucleus differentiation GO:0007289 IEA
    nucleosome assembly GO:0006334 NAS
    positive regulation of endothelial cell proliferation GO:0001938 IDA
    positive chemotaxis GO:0050918 IDA
    cell chemotaxis GO:0060326 IDA
    regulation of transcription from RNA polymerase II promoter GO:0006357 IDA
    DNA topological change GO:0006265 ISS
    apoptotic process GO:0006915 TAS
Subcellular Localization
    condensed chromosome GO:0000793 IDA
    nucleoplasm GO:0005654 TAS
    nucleus GO:0005634 IDA
    cytoplasm GO:0005737 IDA
    extracellular space GO:0005615 IDA
    perinuclear region of cytoplasm GO:0048471 IDA
    protein complex GO:0043234 IDA
 Experiment description of studies that identified HMGB2 in exosomes
1
Experiment ID 282
ISEV standards
CEM
EV Biophysical techniques
Alix|TSG101
EV Cytosolic markers
CD63|CD81|EpCAM
EV Membrane markers
EV Negative markers
DLS
EV 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 1
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 283
ISEV standards
CEM
EV Biophysical techniques
Alix|TSG101
EV Cytosolic markers
CD63|CD81|EpCAM
EV Membrane markers
EV Negative markers
DLS
EV 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
3
Experiment ID 285
ISEV standards
CEM
EV Biophysical techniques
Alix|TSG101
EV Cytosolic markers
CD63|CD81|EpCAM
EV Membrane markers
EV Negative markers
DLS
EV 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 - Sequential centrifugal ultrafiltration - Rep 1
Isolation/purification methods Differential centrifugation
Filtration
Sequential centrifugal ultrafiltration
Centrifugal concentration
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
Western blotting
4
Experiment ID 286
ISEV standards
CEM
EV Biophysical techniques
Alix|TSG101
EV Cytosolic markers
CD63|CD81|EpCAM
EV Membrane markers
EV Negative markers
DLS
EV 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 - Sequential centrifugal ultrafiltration - Rep 2
Isolation/purification methods Differential centrifugation
Filtration
Sequential centrifugal ultrafiltration
Centrifugal concentration
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
Western blotting
5
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
6
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
 Protein-protein interactions for HMGB2
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 CSNK1A1 1452
Co-purification Homo sapiens
2 APEX1 328
Affinity Capture-MS Homo sapiens
3 POU2F2 5452
Far Western Homo sapiens
Affinity Capture-MS Homo sapiens
Reconstituted Complex Homo sapiens
4 RAG1  
Invitro Homo sapiens
5 POU5F1  
Affinity Capture-Western Homo sapiens
6 PGR  
Invivo Homo sapiens
7 SET 6418
Invitro Homo sapiens
Invivo Homo sapiens
Affinity Capture-MS Homo sapiens
8 POU2F1  
Affinity Capture-MS Homo sapiens
9 TP53  
Invitro Homo sapiens
Affinity Capture-MS Homo sapiens
10 GZMA 3001
Invitro Homo sapiens
Affinity Capture-MS Homo sapiens
11 PRKDC 5591
Invitro Homo sapiens
View the network image/svg+xml
 Pathways in which HMGB2 is involved
PathwayEvidenceSource
Activation of DNA fragmentation factor TAS Reactome





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