Gene description for USP14
Gene name ubiquitin specific peptidase 14 (tRNA-guanine transglycosylase)
Gene symbol USP14
Other names/aliases TGT
Species Homo sapiens
 Database cross references - USP14
ExoCarta ExoCarta_9097
Entrez Gene 9097
HGNC 12612
MIM 607274
UniProt P54578  
 USP14 identified in exosomes derived from the following tissue/cell type
Keratinocytes 19530224    
Keratinocytes 19530224    
Neuroblastoma cells 25944692    
Ovarian cancer cells 23333927    
Ovarian cancer cells 23333927    
 Gene ontology annotations for USP14
Molecular Function
    tRNA guanylyltransferase activity GO:0008193 TAS
    ubiquitin-specific protease activity GO:0004843 IDA
    proteasome binding GO:0070628 IDA
    endopeptidase inhibitor activity GO:0004866 IMP
    cysteine-type endopeptidase activity GO:0004197 TAS
    protein binding GO:0005515 IPI
Biological Process
    regulation of chemotaxis GO:0050920 IMP
    regulation of proteasomal protein catabolic process GO:0061136 IMP
    negative regulation of ER-associated ubiquitin-dependent protein catabolic process GO:1903070 IMP
    proteasome-mediated ubiquitin-dependent protein catabolic process GO:0043161 IBA
    synaptic transmission GO:0007268 IEA
    negative regulation of endopeptidase activity GO:0010951 IMP
    protein deubiquitination GO:0016579 IDA
Subcellular Localization
    cytoplasm GO:0005737 IDA
    cytoplasmic membrane-bounded vesicle GO:0016023 IDA
    cell surface GO:0009986 IDA
    nucleus GO:0005634 IBA
    plasma membrane GO:0005886 IEA
    synapse GO:0045202 IEA
    extracellular exosome GO:0070062 IDA
    proteasome complex GO:0000502 IEA
 Experiment description of studies that identified USP14 in exosomes
1
Experiment ID 189
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 19530224    
Organism Homo sapiens
Experiment description Profile of exosomes related proteins released by differentiated and undifferentiated human keratinocytes.
Authors Chavez-Muñoz C, Kilani RT, Ghahary A.
Journal name J Cell Physiol
Publication year 2009
Sample Keratinocytes
Sample name Keratinocytes - Differentiated
Isolation/purification methods Differential centrifugation
Filtration
Sucrose cushion
Filtration
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
2
Experiment ID 190
ISEV standards
EM
EV Biophysical techniques
HSC70
EV Cytosolic markers
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 19530224    
Organism Homo sapiens
Experiment description Profile of exosomes related proteins released by differentiated and undifferentiated human keratinocytes.
Authors Chavez-Muñoz C, Kilani RT, Ghahary A.
Journal name J Cell Physiol
Publication year 2009
Sample Keratinocytes
Sample name Keratinocytes - Undifferentiated
Isolation/purification methods Differential centrifugation
Filtration
Sucrose cushion
Filtration
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
3
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
4
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
5
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
 Protein-protein interactions for USP14
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 FANCC 2176
Two-hybrid Homo sapiens
View the network image/svg+xml
 Pathways in which USP14 is involved
No pathways found





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