Gene description for Hmgb1
Gene name high mobility group box 1
Gene symbol Hmgb1
Other names/aliases DEF
HMG-1
Hmg1
SBP-1
amphoterin
p30
Species Mus musculus
 Database cross references - Hmgb1
ExoCarta ExoCarta_15289
Entrez Gene 15289
UniProt P63158  
 Hmgb1 identified in exosomes derived from the following tissue/cell type
Mast cells 17486113    
Pancreatic cells 19351151    
 Gene ontology annotations for Hmgb1
Molecular Function
    protein kinase activator activity GO:0030295 IDA
    chromatin binding GO:0003682 IBA
    bent DNA binding GO:0003681 ISO
    open form four-way junction DNA binding GO:0000401 ISO
    crossed form four-way junction DNA binding GO:0000402 ISO
    cytokine activity GO:0005125 ISO
    calcium-dependent protein kinase regulator activity GO:0010858 IDA
Biological Process
    eye development GO:0001654 IMP
    positive regulation of mitotic cell cycle GO:0045931 ISO
    positive regulation of protein kinase activity GO:0045860 IDA
    DNA geometric change GO:0032392 ISO
    response to glucocorticoid GO:0051384 IMP
    positive regulation of transcription from RNA polymerase II promoter GO:0045944 IMP
    induction of positive chemotaxis GO:0050930 ISO
    lung development GO:0030324 IMP
    positive regulation of cell migration GO:0030335 ISO
    positive regulation of mesenchymal cell proliferation GO:0002053 ISO
    chromatin remodeling GO:0006338 IBA
    positive regulation of myeloid cell differentiation GO:0045639 IDA
    positive regulation of protein phosphorylation GO:0001934 IDA
    positive regulation of glycogen catabolic process GO:0045819 IMP
Subcellular Localization
    nucleus GO:0005634 IDA
    extracellular space GO:0005615 IDA
    cytoplasm GO:0005737 IDA
    neuron projection GO:0043005 IDA
 Experiment description of studies that identified Hmgb1 in exosomes
1
Experiment ID 15
ISEV standards
EM
EV Biophysical techniques
EV Cytosolic markers
CD63
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule mrna
Identification method Microarray
PubMed ID 17486113    
Organism Mus musculus
Homo sapiens
Experiment description Exosome-mediated transfer of mRNAs and microRNAs is a novel mechanism of genetic exchange between cells.
Authors Valadi H, Ekstrom K, Bossios A, Sjostrand M, Lee JJ, Lotvall JO
Journal name NCB
Publication year 2007
Sample Mast cells
Sample name MC9
Bone marrow-derived mast cells
HMC-1
Isolation/purification methods Filtration
Ultracentrifugation
Sucrose density gradient
Flotation density 1.11-1.21 g/mL
Molecules identified in the study Protein
mRNA
miRNA
Methods used in the study Mass spectrometry [MALDI TOF]
Western blotting
Microarray
miRCURY LNA Array
2
Experiment ID 188
ISEV standards
EM
EV Biophysical techniques
GAPDH|UCHL1|HSP90
EV Cytosolic markers
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 19351151    
Organism Mus musculus
Experiment description Characterization of vesicles secreted from insulinoma NIT-1 cells.
Authors Lee HS, Jeong J, Lee KJ.
Journal name J Proteome Res
Publication year 2009
Sample Pancreatic cells
Sample name Pancreatic beta cell (NIT-1)
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
 Protein-protein interactions for Hmgb1
  Protein Interactor ExoCarta ID Identification method PubMed Species
No interactions are found.



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