Gene description for Hsp90ab1
Gene name heat shock protein 90 alpha (cytosolic), class B member 1
Gene symbol Hsp90ab1
Other names/aliases 90kDa
AL022974
C81438
Hsp84
Hsp84-1
Hsp90
Hspcb
Species Mus musculus
 Database cross references - Hsp90ab1
ExoCarta ExoCarta_15516
Entrez Gene 15516
UniProt P11499  
 Hsp90ab1 identified in exosomes derived from the following tissue/cell type
Basophilic leukemia cells 20424270    
Dendritic cells 10545503    
Dendritic cells 11390481    
Embryonic fibroblasts 18494037    
Macrophages 23658846    
Macrophages 23658846    
Macrophages 23658846    
Mast cells 17486113    
Neural stem cells 25242146    
Neural stem cells 25242146    
Oligodendrocytes 21136642    
Pancreatic cells 19351151    
 Gene ontology annotations for Hsp90ab1
Molecular Function
    kinase binding GO:0019900 ISO
    ATP binding GO:0005524 ISO
    CTP binding GO:0002135 ISO
    protein kinase binding GO:0019901 ISO
    nucleotide binding GO:0000166 IEA
    MHC class II protein complex binding GO:0023026 ISO
    UTP binding GO:0002134 ISO
    unfolded protein binding GO:0051082 IEA
    ion channel binding GO:0044325 ISO
    poly(A) RNA binding GO:0044822 ISO
    GTP binding GO:0005525 ISO
    double-stranded RNA binding GO:0003725 ISO
    protein binding GO:0005515 IPI
    sulfonylurea receptor binding GO:0017098 ISO
    dATP binding GO:0032564 ISO
Biological Process
    protein folding GO:0006457 IEA
    positive regulation of protein import into nucleus, translocation GO:0033160 ISO
    negative regulation of neuron apoptotic process GO:0043524 ISO
    placenta development GO:0001890 IMP
    positive regulation of protein serine/threonine kinase activity GO:0071902 ISO
    fibril organization GO:0097435 ISO
    positive regulation of cell size GO:0045793 ISO
    cellular response to interleukin-4 GO:0071353 IDA
    virion attachment to host cell GO:0019062 ISO
    response to stress GO:0006950 IEA
    positive regulation of protein binding GO:0032092 ISO
Subcellular Localization
    COP9 signalosome GO:0008180 ISO
    membrane GO:0016020 ISO
    brush border membrane GO:0031526 ISO
    cell surface GO:0009986 ISO
    cytoplasm GO:0005737 ISO
    intracellular GO:0005622 IDA
    cytosol GO:0005829 ISO
    extracellular exosome GO:0070062 ISO
    basolateral plasma membrane GO:0016323 ISO
    inclusion body GO:0016234 ISO
    mitochondrion GO:0005739 ISO
    apical plasma membrane GO:0016324 ISO
 Experiment description of studies that identified Hsp90ab1 in exosomes
1
Experiment ID 89
ISEV standards
✔
EM
EV Biophysical techniques
✘ EV Cytosolic markers
✘ EV Membrane markers
✘ EV Negative markers
✔
DLS
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 20424270    
Organism Rattus norvegicus
Experiment description Exosomes account for vesicle-mediated transcellular transport of activatable phospholipases and prostaglandins.
Authors Subra C, Grand D, Laulagnier K, Stella A, Lambeau G, Paillasse M, De Medina P, Monsarrat B, Perret B, Silvente-Poirot S, Poirot M, Record M.
Journal name JLR
Publication year 2010
Sample Basophilic leukemia cells
Sample name RBL-2H3
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Flotation density -
Molecules identified in the study Protein
Lipids
Methods used in the study Western blotting
Gas chromatography
Thin layer chromatography
Mass spectrometry [Qstar XL]
FACS
2
Experiment ID 3
ISEV standards
✔
IEM
EV Biophysical techniques
✔
HSP84|HSC73
EV Cytosolic markers
✔
MHCII|CD9|mac-1
EV Membrane markers
✔
CANX|HSP90B1
EV Negative markers
✘ EV Particle analysis
Identified molecule protein
Identification method Western blotting
PubMed ID 10545503    
Organism Mus musculus
Experiment description Molecular characterization of dendritic cell-derived exosomes. Selective accumulation of the heat shock protein hsc73.
Authors Thery C, Regnault A, Garin J, Wolfers J, Zitvogel L, Ricciardi-Castagnoli P, Raposo G, Amigorena S.
Journal name JCB
Publication year 1999
Sample Dendritic cells
Sample name D1
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Flotation density 1.14-1.20 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [MALDI TOF]
Western blotting
3
Experiment ID 10
ISEV standards
✔
EM
EV Biophysical techniques
✔
Alix
EV Cytosolic markers
✔
CD9|MHCII|MHCI|CD86|LAMP2
EV Membrane markers
✘ EV Negative markers
✘ EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry [MALDI TOF]
PubMed ID 11390481    
Organism Mus musculus
Experiment description Proteomic analysis of dendritic cell-derived exosomes: a secreted subcellular compartment distinct from apoptotic vesicles.
Authors Thery C, Boussac M, Veron P, Ricciardi-Castagnoli P, Raposo G, Garin J, Amigorena S.
Journal name JIMMU
Publication year 2001
Sample Dendritic cells
Sample name D1
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Flotation density 1.15-1.18 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [MALDI TOF]
Mass spectrometry [QTOF]
Western blotting
4
Experiment ID 73
ISEV standards
✔
EM
EV Biophysical techniques
✔
HSP70|HSP90
EV Cytosolic markers
✘ EV Membrane markers
✘ EV Negative markers
✘ EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 18494037    
Organism Mus musculus
Experiment description Difference gel electrophoresis analysis of Ras-transformed fibroblast cell-derived exosomes.
Authors Ji H, Erfani N, Tauro BJ, Kapp EA, Zhu HJ, Moritz RL, Lim JW, Simpson RJ
Journal name ELEC
Publication year 2008
Sample Embryonic fibroblasts
Sample name NIH3T3
Isolation/purification methods Differential centrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [LCQ DECA]
Western blotting
5
Experiment ID 214
ISEV standards
✔
EM
EV Biophysical techniques
✘ EV Cytosolic markers
✘ EV Membrane markers
✘ EV Negative markers
✘ EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23658846    
Organism Mus musculus
Experiment description Immunomodulatory impact of leishmania-induced macrophage exosomes: a comparative proteomic and functional analysis.
Authors Hassani K, Olivier M.
Journal name PLoS Negl Trop Dis
Publication year 2013
Sample Macrophages
Sample name Leishmania-infected-Macrophage (J774A.1)
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Filtration
Protease inhibitors
Sucrose density gradient
Filtration
Ultracentrifugation
Flotation density 1.13-1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
6
Experiment ID 215
ISEV standards
✔
EM
EV Biophysical techniques
✘ EV Cytosolic markers
✘ EV Membrane markers
✘ EV Negative markers
✘ EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23658846    
Organism Mus musculus
Experiment description Immunomodulatory impact of leishmania-induced macrophage exosomes: a comparative proteomic and functional analysis.
Authors Hassani K, Olivier M.
Journal name PLoS Negl Trop Dis
Publication year 2013
Sample Macrophages
Sample name LPS-treated-Macrophage (J774A.1)
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Filtration
Protease inhibitors
Sucrose density gradient
Filtration
Ultracentrifugation
Flotation density 1.13-1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
7
Experiment ID 216
ISEV standards
✔
EM
EV Biophysical techniques
✘ EV Cytosolic markers
✘ EV Membrane markers
✘ EV Negative markers
✘ EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23658846    
Organism Mus musculus
Experiment description Immunomodulatory impact of leishmania-induced macrophage exosomes: a comparative proteomic and functional analysis.
Authors Hassani K, Olivier M.
Journal name PLoS Negl Trop Dis
Publication year 2013
Sample Macrophages
Sample name Normal-Macrophage (J774A.1)
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Filtration
Protease inhibitors
Sucrose density gradient
Filtration
Ultracentrifugation
Flotation density 1.13-1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
8
Experiment ID 15
ISEV standards
✔
EM
EV Biophysical techniques
✘ EV Cytosolic markers
✔
CD63
EV Membrane markers
✘ EV Negative markers
✘ EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
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
9
Experiment ID 262
ISEV standards
✔
EM
EV Biophysical techniques
✔
Alix|TSG101|HSP70|HSP90
EV Cytosolic markers
✔
CD63|CD9|
EV Membrane markers
✘ EV Negative markers
✔
Y
EV Particle analysis
Identified molecule protein
Identification method Western blotting
PubMed ID 25242146    
Organism Mus musculus
Experiment description Extracellular Vesicles from Neural Stem Cells Transfer IFN-γ via Ifngr1 to Activate Stat1 Signaling in Target Cells
Authors Chiara Cossetti, Nunzio Iraci, Tim R. Mercer, Tommaso Leonardi, Emanuele Alpi, Denise Drago, Clara Alfaro-Cervello, Harpreet K. Saini, Matthew P. Davis, Julia Schaeffer, Beatriz Vega, Matilde Stefanini, CongJian Zhao, Werner Muller, Jose Manuel Garcia-Verdugo, Suresh Mathivanan, Angela Bachi, Anton J. Enright, John S. Mattick, Stefano Pluchino
Journal name Molecular Cell
Publication year 2014
Sample Neural stem cells
Sample name NPCs
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.13-1.20 g/mL
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
Microarray
10
Experiment ID 264
ISEV standards
✘ EV Biophysical techniques
✘ EV Cytosolic markers
✔
CD63|CD9
EV Membrane markers
✘ EV Negative markers
✘ EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25242146    
Organism Mus musculus
Experiment description Extracellular Vesicles from Neural Stem Cells Transfer IFN-γ via Ifngr1 to Activate Stat1 Signaling in Target Cells
Authors Chiara Cossetti, Nunzio Iraci, Tim R. Mercer, Tommaso Leonardi, Emanuele Alpi, Denise Drago, Clara Alfaro-Cervello, Harpreet K. Saini, Matthew P. Davis, Julia Schaeffer, Beatriz Vega, Matilde Stefanini, CongJian Zhao, Werner Muller, Jose Manuel Garcia-Verdugo, Suresh Mathivanan, Angela Bachi, Anton J. Enright, John S. Mattick, Stefano Pluchino
Journal name Molecular Cell
Publication year 2014
Sample Neural stem cells
Sample name NPCs - Th2 treated
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.13-1.20 g/mL
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
11
Experiment ID 33
ISEV standards
✔
EM|IEM
EV Biophysical techniques
✔
Alix|TSG101
EV Cytosolic markers
✘ EV Membrane markers
✘ EV Negative markers
✘ EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 21136642    
Organism Mus musculus
Experiment description Oligodendrocytes secrete exosomes containing major myelin and stress-protective proteins: Trophic support for axons?
Authors Kramer-Albers EM, Bretz N, Tenzer S, Winterstein C, Mobius W, Berger H, Nave KA, Schild H, Trotter J
Journal name PROTEOMICS_CL
Publication year 2007
Sample Oligodendrocytes
Sample name Oligodendrocytes
Oli-neu
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Flotation density 1.10-1.14 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [QTOF]
Western blotting
Immunoelectron Microscopy
12
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 Hsp90ab1
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 Hspa1b 15511
Reconstituted Complex Mus musculus
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