Gene description for HSBP1
Gene name heat shock factor binding protein 1
Gene symbol HSBP1
Other names/aliases NPC-A-13
Species Homo sapiens
 Database cross references - HSBP1
ExoCarta ExoCarta_3281
Entrez Gene 3281
HGNC 5203
MIM 604553
UniProt O75506  
 HSBP1 identified in exosomes derived from the following tissue/cell type
Hepatocellular carcinoma cells 26054723    
 Gene ontology annotations for HSBP1
Molecular Function
    transcription corepressor activity GO:0003714 TAS
    protein binding GO:0005515 IPI
Biological Process
    endodermal cell differentiation GO:0035987 IEA
    cellular response to heat GO:0034605 TAS
    muscle contraction GO:0006936 IEA
    negative regulation of transcription from RNA polymerase II promoter GO:0000122 TAS
    regulation of cellular response to heat GO:1900034 TAS
Subcellular Localization
    cytoskeleton GO:0005856 IEA
    nucleoplasm GO:0005654 TAS
    nucleus GO:0005634 TAS
 Experiment description of studies that identified HSBP1 in exosomes
1
Experiment ID 236
ISEV standards
✔
EM
EV Biophysical techniques
✔
TSG101|Alix|HSC70|GAPDH
EV Cytosolic markers
✘ EV Membrane markers
✔
HSP90B1
EV Negative markers
✔
qNano
EV 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 HSBP1
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 HSF1  
Invivo Homo sapiens
Invitro Homo sapiens
Two-hybrid Homo sapiens
Affinity Capture-MS Homo sapiens
2 HSPA4 3308
Invitro Homo sapiens
Invivo Homo sapiens
3 HSBP1 3281
Invitro Homo sapiens
Two-hybrid Homo sapiens
Affinity Capture-MS Homo sapiens
Invitro Homo sapiens
Two-hybrid Homo sapiens
Affinity Capture-MS Homo sapiens
4 CGI-116  
Two-hybrid Homo sapiens
View the network image/svg+xml
 Pathways in which HSBP1 is involved
PathwayEvidenceSource
Attenuation phase TAS Reactome
HSF1 activation TAS Reactome
HSF1-dependent transactivation TAS Reactome





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