Gene description for HSPA7
Gene name heat shock 70kDa protein 7 (HSP70B)
Gene symbol HSPA7
Other names/aliases HSP70B
Species Homo sapiens
 Database cross references - HSPA7
ExoCarta ExoCarta_3311
Vesiclepedia VP_3311
Entrez Gene 3311
HGNC 5240
MIM 140556
 HSPA7 identified in sEVs derived from the following tissue/cell type
Colorectal cancer cells 17956143    
Mesenchymal stem cells Unpublished / Not applicable
Platelets 25332113    
Platelets 25332113    
Platelets 25332113    
Retinal pigment epithelial cells 35333565    
Retinal pigment epithelial cells 35333565    
 Gene ontology annotations for HSPA7
Molecular Function
    ATP binding GO:0005524 IEA
    ATP hydrolysis activity GO:0016887 IBA
    heat shock protein binding GO:0031072 IBA
    protein folding chaperone GO:0044183 IBA
    ATP-dependent protein folding chaperone GO:0140662 IEA
Biological Process
    protein refolding GO:0042026 IBA
    chaperone cofactor-dependent protein refolding GO:0051085 IBA
Subcellular Localization
    nucleus GO:0005634 IBA
    cytoplasm GO:0005737 IBA
    cytosol GO:0005829 IBA
    plasma membrane GO:0005886 IBA
    COP9 signalosome GO:0008180 IDA
    extracellular exosome GO:0070062 HDA
    blood microparticle GO:0072562 HDA
 Experiment description of studies that identified HSPA7 in sEVs
1
Experiment ID 20
MISEV standards
EM
Biophysical techniques
HSP90|CD63|CD81|LAMP1
Enriched markers
GOLGA2|cytochrome c
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 17956143    
Organism Homo sapiens
Experiment description Proteomic analysis of microvesicles derived from human colorectal cancer cells.
Authors "Choi DS, Lee JM, Park GW, Lim HW, Bang JY, Kim YK, Kwon KH, Kwon HJ, Kim KP, Gho YS"
Journal name JPR
Publication year 2007
Sample Colorectal cancer cells
Sample name HT29
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Diafiltration
Flotation density 1.16 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [LTQ]
Western blotting
2
Experiment ID 126
MISEV standards
Biophysical techniques
GAPDH
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry [LTQ-FT Ultra]
PubMed ID Unpublished / Not applicable
Organism Homo sapiens
Experiment description Mesenchymal Stem Cell Exosomes: The Future MSC-based Therapy?
Authors "Ruenn Chai Lai, Ronne Wee Yeh Yeo, Soon Sim Tan, Bin Zhang, Yijun Yin, Newman Siu Kwan Sze, Andre Choo, and Sai Kiang Lim"
Journal name Mesenchymal Stem Cell Therapy
Publication year 2011
Sample Mesenchymal stem cells
Sample name huES9.E1
Isolation/purification methods HPLC
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Antobody array
Mass spectrometry
3
Experiment ID 231
MISEV standards
Biophysical techniques
Alix|CD63|CD9
Enriched markers
Negative markers
NTA
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25332113    
Organism Homo sapiens
Experiment description Lipidomic and proteomic characterization of platelet extracellular vesicle subfractions from senescent platelets
Authors "Pienimaeki-Roemer A, Kuhlmann K, Bottcher A, Konovalova T, Black A, Orso E, Liebisch G, Ahrens M, Eisenacher M, Meyer HE, Schmitz G."
Journal name Transfusion
Publication year 2015
Sample Platelets
Sample name PL-Exs - Rep 1
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Optiprep density gradient
Flotation density 1.12-1.15 g/mL
Molecules identified in the study Protein
Lipids
Methods used in the study Western blotting
Mass spectrometry
4
Experiment ID 232
MISEV standards
Biophysical techniques
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25332113    
Organism Homo sapiens
Experiment description Lipidomic and proteomic characterization of platelet extracellular vesicle subfractions from senescent platelets
Authors "Pienimaeki-Roemer A, Kuhlmann K, Bottcher A, Konovalova T, Black A, Orso E, Liebisch G, Ahrens M, Eisenacher M, Meyer HE, Schmitz G."
Journal name Transfusion
Publication year 2015
Sample Platelets
Sample name PL-Exs - Rep 2
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Optiprep density gradient
Flotation density 1.12-1.15 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
5
Experiment ID 233
MISEV standards
Biophysical techniques
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25332113    
Organism Homo sapiens
Experiment description Lipidomic and proteomic characterization of platelet extracellular vesicle subfractions from senescent platelets
Authors "Pienimaeki-Roemer A, Kuhlmann K, Bottcher A, Konovalova T, Black A, Orso E, Liebisch G, Ahrens M, Eisenacher M, Meyer HE, Schmitz G."
Journal name Transfusion
Publication year 2015
Sample Platelets
Sample name PL-Exs - Rep 3
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Optiprep density gradient
Flotation density 1.12-1.15 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
6
Experiment ID 834
MISEV standards
EM
Biophysical techniques
LAMP2|CD63|FLOT1|ITGA2B|ICAM1|CD9|CD151|TFRC|RAB5A|GAPDH|AQP1|TSG101
Enriched markers
CANX
Negative markers
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 35333565    
Organism Homo sapiens
Experiment description LAMP2A regulates the loading of proteins into exosomes
Authors "Ferreira JV, da Rosa Soares A, Ramalho J, Máximo Carvalho C, Cardoso MH, Pintado P, Carvalho AS, Beck HC, Matthiesen R, Zuzarte M, Girão H, van Niel G, Pereira P"
Journal name Sci Adv
Publication year 2022
Sample Retinal pigment epithelial cells
Sample name ARPE-19
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
7
Experiment ID 835
MISEV standards
EM
Biophysical techniques
CD63|FLOT1|ITGA2B|ICAM1|CD9|CD151|TFRC|RAB5A|GAPDH|AQP1|TSG101
Enriched markers
CANX
Negative markers
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 35333565    
Organism Homo sapiens
Experiment description LAMP2A regulates the loading of proteins into exosomes
Authors "Ferreira JV, da Rosa Soares A, Ramalho J, Máximo Carvalho C, Cardoso MH, Pintado P, Carvalho AS, Beck HC, Matthiesen R, Zuzarte M, Girão H, van Niel G, Pereira P"
Journal name Sci Adv
Publication year 2022
Sample Retinal pigment epithelial cells
Sample name ARPE-19
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
 Protein-protein interactions for HSPA7
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 UBE2H 7328
Affinity Capture-MS Homo sapiens
2 ANLN 54443
Affinity Capture-MS Homo sapiens
3 CHMP4C 92421
Affinity Capture-MS Homo sapiens
4 METTL18  
Affinity Capture-MS Homo sapiens
5 CUL1 8454
Affinity Capture-MS Homo sapiens
6 TFCP2 7024
Affinity Capture-MS Homo sapiens
7 SERBP1 26135
Affinity Capture-MS Homo sapiens
8 KIF14 9928
Affinity Capture-MS Homo sapiens
9 TUBG1 7283
Affinity Capture-MS Homo sapiens
10 KCTD10 83892
Affinity Capture-MS Homo sapiens
11 MCM5 4174
Affinity Capture-MS Homo sapiens
12 CUL5 8065
Affinity Capture-MS Homo sapiens
13 KIF20A 10112
Affinity Capture-MS Homo sapiens
14 ECT2 1894
Affinity Capture-MS Homo sapiens
15 CAND1 55832
Affinity Capture-MS Homo sapiens
16 PARK2  
Affinity Capture-MS Homo sapiens
17 UBXN11  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
18 HSP90AA1 3320
Affinity Capture-MS Homo sapiens
19 METTL21B  
Affinity Capture-MS Homo sapiens
20 CUL4B 8450
Affinity Capture-MS Homo sapiens
21 AURKB 9212
Affinity Capture-MS Homo sapiens
22 WTAP 9589
Affinity Capture-MS Homo sapiens
23 CEP250 11190
Affinity Capture-MS Homo sapiens
24 UBASH3B 84959
Affinity Capture-MS Homo sapiens
25 DCUN1D1 54165
Affinity Capture-MS Homo sapiens
26 CHMP4B 128866
Affinity Capture-MS Homo sapiens
27 PPP2R1A 5518
Affinity Capture-MS Homo sapiens
28 YAP1 10413
Affinity Capture-MS Homo sapiens
29 HSPA2 3306
Affinity Capture-MS Homo sapiens
30 ARRB1 408
Affinity Capture-MS Homo sapiens
31 KIF23 9493
Affinity Capture-MS Homo sapiens
32 MCM2 4171
Affinity Capture-MS Homo sapiens
33 COPS6 10980
Affinity Capture-MS Homo sapiens
34 METTL21A  
Affinity Capture-MS Homo sapiens
35 CUL4A 8451
Affinity Capture-MS Homo sapiens
36 KMO  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
37 COPS5 10987
Affinity Capture-MS Homo sapiens
38 PRC1 9055
Affinity Capture-MS Homo sapiens
39 CRY2  
Affinity Capture-MS Homo sapiens
40 CUL2 8453
Affinity Capture-MS Homo sapiens
41 NEDD8 4738
Affinity Capture-MS Homo sapiens
View the network image/svg+xml
 Pathways in which HSPA7 is involved
No pathways found





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