Gene description for SNF8
Gene name SNF8, ESCRT-II complex subunit
Gene symbol SNF8
Other names/aliases Dot3
EAP30
VPS22
Species Homo sapiens
 Database cross references - SNF8
ExoCarta ExoCarta_11267
Entrez Gene 11267
HGNC 17028
MIM 610904
UniProt Q96H20  
 SNF8 identified in exosomes derived from the following tissue/cell type
Colorectal cancer cells 22740476    
Colorectal cancer cells 23161513    
Colorectal cancer cells 23161513    
Colorectal cancer cells 23161513    
Neuroblastoma cells 25944692    
Prostate cancer cells 25844599    
Urine 19056867    
Urine 22418980    
Urine 22418980    
 Gene ontology annotations for SNF8
Molecular Function
    protein homodimerization activity GO:0042803 IPI
    protein binding GO:0005515 IPI
    transcription factor binding GO:0008134 IDA
    protein N-terminus binding GO:0047485 IPI
    protein C-terminus binding GO:0008022 IPI
    channel regulator activity GO:0016247 IDA
Biological Process
    endocytic recycling GO:0032456 IMP
    regulation of protein catabolic process GO:0042176 IMP
    positive regulation of protein catabolic process GO:0045732 IMP
    regulation of multivesicular body size involved in endosome transport GO:0010797 IMP
    regulation of transcription from RNA polymerase II promoter GO:0006357 IDA
    early endosome to late endosome transport GO:0045022 IMP
    transcription, DNA-templated GO:0006351 IEA
    regulation of protein complex stability GO:0061635 IMP
    positive regulation of gene expression GO:0010628 IMP
    positive regulation of exosomal secretion GO:1903543 IMP
    regulation of viral budding via host ESCRT complex GO:1903772 IMP
    regulation of MAP kinase activity GO:0043405 IMP
    endosomal transport GO:0016197 TAS
    membrane organization GO:0061024 TAS
    protein targeting to vacuole involved in ubiquitin-dependent protein catabolic process via the multivesicular body sorting pathway GO:0043328 IBA
Subcellular Localization
    recycling endosome GO:0055037 IDA
    nucleus GO:0005634 IDA
    plasma membrane GO:0005886 IDA
    perinuclear region of cytoplasm GO:0048471 IDA
    nucleoplasm GO:0005654 IDA
    late endosome membrane GO:0031902 IDA
    cytoplasm GO:0005737 IDA
    endosome membrane GO:0010008 IDA
    cytosol GO:0005829 TAS
    ESCRT II complex GO:0000814 IBA
    extracellular exosome GO:0070062 IDA
    transcription factor complex GO:0005667 IDA
    membrane GO:0016020 IDA
 Experiment description of studies that identified SNF8 in exosomes
1
Experiment ID 201
ISEV standards
EM
EV Biophysical techniques
Alix|TSG101|HSP70
EV Cytosolic markers
CD9
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 22740476    
Organism Homo sapiens
Experiment description Restoration of full-length APC protein in SW480 colon cancer cells induces exosome-mediated secretion of DKK-4.
Authors Lim JW, Mathias RA, Kapp EA, Layton MJ, Faux MC, Burgess AW, Ji H, Simpson RJ.
Journal name Electrophoresis
Publication year 2012
Sample Colorectal cancer cells
Sample name SW480
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
2
Experiment ID 207
ISEV standards
EM
EV Biophysical techniques
TSG101|HSP70
EV Cytosolic markers
FLOT1
EV Membrane markers
VDAC
EV Negative markers
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23161513    
Organism Homo sapiens
Experiment description Proteomic analysis of exosomes from mutant KRAS colon cancer cells identifies intercellular transfer of mutant KRAS.
Authors Demory Beckler M, Higginbotham JN, Franklin JL, Ham AJ, Halvey PJ, Imasuen IE, Whitwell C, Li M, Liebler DC, Coffey RJ.
Journal name Mol Cell Proteomics
Publication year 2012
Sample Colorectal cancer cells
Sample name DKO-1
Isolation/purification methods Differential centrifugation
Filtration
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
3
Experiment ID 208
ISEV standards
EM
EV Biophysical techniques
TSG101|HSP70
EV Cytosolic markers
FLOT1
EV Membrane markers
VDAC
EV Negative markers
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23161513    
Organism Homo sapiens
Experiment description Proteomic analysis of exosomes from mutant KRAS colon cancer cells identifies intercellular transfer of mutant KRAS.
Authors Demory Beckler M, Higginbotham JN, Franklin JL, Ham AJ, Halvey PJ, Imasuen IE, Whitwell C, Li M, Liebler DC, Coffey RJ.
Journal name Mol Cell Proteomics
Publication year 2012
Sample Colorectal cancer cells
Sample name Dks-8
Isolation/purification methods Differential centrifugation
Filtration
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
4
Experiment ID 209
ISEV standards
EV Biophysical techniques
TSG101|HSP70
EV Cytosolic markers
FLOT1
EV Membrane markers
VDAC
EV Negative markers
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23161513    
Organism Homo sapiens
Experiment description Proteomic analysis of exosomes from mutant KRAS colon cancer cells identifies intercellular transfer of mutant KRAS.
Authors Demory Beckler M, Higginbotham JN, Franklin JL, Ham AJ, Halvey PJ, Imasuen IE, Whitwell C, Li M, Liebler DC, Coffey RJ.
Journal name Mol Cell Proteomics
Publication year 2012
Sample Colorectal cancer cells
Sample name DLD-1
Isolation/purification methods Differential centrifugation
Filtration
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
5
Experiment ID 224
ISEV standards
EM|AFM
EV Biophysical techniques
Alix|TSG101
EV Cytosolic markers
CD63|CD81
EV Membrane markers
GOLGA2
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25944692    
Organism Homo sapiens
Experiment description Proteogenomic analysis reveals exosomes are more oncogenic than ectosomes
Authors Keerthikumar S, Gangoda L, Liem M, Fonseka P, Atukorala I, Ozcitti C, Mechler A, Adda CG, Ang CS, Mathivanan S
Journal name Oncotarget
Publication year 2015
Sample Neuroblastoma cells
Sample name SH-SY5Y
Isolation/purification methods Differential centrifugation
Ultracentrifugation
OptiPrep density gradient
Flotation density 1.10 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
Western blotting
6
Experiment ID 274
ISEV standards
EM
EV Biophysical techniques
TSG101|Alix|RAB5A
EV Cytosolic markers
CD9|CD82|CD63|CD81
EV Membrane markers
AIF
EV Negative markers
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25844599    
Organism Homo sapiens
Experiment description Molecular profiling of prostate cancer derived exosomes may reveal a predictive signature for response to docetaxel.
Authors Kharaziha P, Chioureas D, Rutishauser D, Baltatzis G, Lennartsson L, Fonseca P, Azimi A, Hultenby K, Zubarev R, Ullen A, Yachnin J, Nilsson S, Panaretakis T.
Journal name Oncotarget
Publication year 2015
Sample Prostate cancer cells
Sample name DU145 - Docetaxel resistant
Isolation/purification methods Filtration
Ultracentrifugation
Sucrose density gradient
Flotation density 1.13-1.18 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
Flow cytometry
Western blotting
7
Experiment ID 63
ISEV standards
EV Biophysical techniques
EV Cytosolic markers
AQP2
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 19056867    
Organism Homo sapiens
Experiment description Large-scale proteomics and phosphoproteomics of urinary exosomes.
Authors Gonzales PA, Pisitkun T, Hoffert JD, Tchapyjnikov D, Star RA, Kleta R, Wang NS, Knepper MA
Journal name JASN
Publication year 2009
Sample Urine
Sample name Urine - Normal
Isolation/purification methods Differential centrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [LTQ]
Western blotting
8
Experiment ID 196
ISEV standards
EM
EV Biophysical techniques
Alix|TSG101|HSP70
EV Cytosolic markers
CD9
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 22418980    
Organism Homo sapiens
Experiment description A multiplex quantitative proteomics strategy for protein biomarker studies in urinary exosomes.
Authors Raj DA, Fiume I, Capasso G, Pocsfalvi G.
Journal name Kidney Int
Publication year 2012
Sample Urine
Sample name Urine - Normal high density
Isolation/purification methods Differential centrifugation
Sucrose cushion
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
9
Experiment ID 197
ISEV standards
EM
EV Biophysical techniques
Alix|TSG101|HSP70
EV Cytosolic markers
CD9
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 22418980    
Organism Homo sapiens
Experiment description A multiplex quantitative proteomics strategy for protein biomarker studies in urinary exosomes.
Authors Raj DA, Fiume I, Capasso G, Pocsfalvi G.
Journal name Kidney Int
Publication year 2012
Sample Urine
Sample name Urine - Normal low density
Isolation/purification methods Differential centrifugation
Sucrose cushion
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
 Protein-protein interactions for SNF8
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 NIF3L1 60491
Two-hybrid Homo sapiens
2 VPS25 84313
Two-hybrid Homo sapiens
3 DVL2 1856
Two-hybrid Homo sapiens
4 ELL  
Invitro Homo sapiens
View the network image/svg+xml
 Pathways in which SNF8 is involved
PathwayEvidenceSource
Endosomal Sorting Complex Required For Transport (ESCRT) TAS Reactome





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