Gene description for ARAP1
Gene name ArfGAP with RhoGAP domain, ankyrin repeat and PH domain 1
Gene symbol ARAP1
Other names/aliases CENTD2
Species Homo sapiens
 Database cross references - ARAP1
ExoCarta ExoCarta_116985
Entrez Gene 116985
HGNC 16925
MIM 606646
UniProt Q96P48  
 ARAP1 identified in exosomes derived from the following tissue/cell type
Hepatocellular carcinoma cells 26054723    
Hepatocytes 26054723    
Ovarian cancer cells 23333927    
Ovarian cancer cells 23333927    
Platelets 25332113    
Platelets 25332113    
Platelets 25332113    
 Gene ontology annotations for ARAP1
Molecular Function
    metal ion binding GO:0046872 IEA
    type 1 angiotensin receptor binding GO:0031702 IEA
    protein binding GO:0005515 IPI
    GTPase activator activity GO:0005096 IDA
    phosphatidylinositol-3,4,5-trisphosphate binding GO:0005547 IDA
Biological Process
    positive regulation of receptor recycling GO:0001921 IEA
    regulation of cellular component movement GO:0051270 IMP
    actin filament reorganization involved in cell cycle GO:0030037 TAS
    positive regulation of filopodium assembly GO:0051491 IMP
    regulation of cell shape GO:0008360 IMP
    regulation of small GTPase mediated signal transduction GO:0051056 TAS
    negative regulation of stress fiber assembly GO:0051497 IMP
    positive regulation of GTPase activity GO:0043547 IDA
    small GTPase mediated signal transduction GO:0007264 TAS
Subcellular Localization
    plasma membrane GO:0005886 IEA
    cytosol GO:0005829 TAS
    Golgi apparatus GO:0005794 IDA
    cytoplasmic vesicle GO:0031410 IEA
    Golgi cisterna membrane GO:0032580 IEA
    trans-Golgi network GO:0005802 IEA
 Experiment description of studies that identified ARAP1 in exosomes
1
Experiment ID 235
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 HKCI-8
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
2
Experiment ID 237
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 Hepatocytes
Sample name MIHA
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
RNA Sequencing
3
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
4
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
5
Experiment ID 231
ISEV standards
✘ EV Biophysical techniques
✔
Alix
EV Cytosolic markers
✔
CD63|CD9
EV Membrane markers
✘ EV Negative markers
✔
NTA
EV 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
6
Experiment ID 232
ISEV standards
✘ EV Biophysical techniques
✘ EV Cytosolic markers
✘ EV Membrane markers
✘ EV Negative markers
✘ EV 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
7
Experiment ID 233
ISEV standards
✘ EV Biophysical techniques
✘ EV Cytosolic markers
✘ EV Membrane markers
✘ EV Negative markers
✘ EV 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
 Protein-protein interactions for ARAP1
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 ARIH2  
Two-hybrid Homo sapiens
2 FGFR3 2261
Two-hybrid Homo sapiens
3 ARPC3 10094
Two-hybrid Homo sapiens
4 XRCC6 2547
Two-hybrid Homo sapiens
View the network image/svg+xml
 Pathways in which ARAP1 is involved
PathwayEvidenceSource
Rho GTPase cycle TAS Reactome





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