Gene description for CAPRIN1
Gene name cell cycle associated protein 1
Gene symbol CAPRIN1
Other names/aliases GPIAP1
GPIP137
GRIP137
M11S1
RNG105
p137GPI
Species Homo sapiens
 Database cross references - CAPRIN1
ExoCarta ExoCarta_4076
Entrez Gene 4076
HGNC 6743
MIM 601178
UniProt Q14444  
 CAPRIN1 identified in exosomes derived from the following tissue/cell type
Ovarian cancer cells 23333927    
Ovarian cancer cells 23333927    
Prostate cancer cells 25844599    
Squamous carcinoma cells 20124223    
 Gene ontology annotations for CAPRIN1
Molecular Function
    poly(A) RNA binding GO:0044822 IDA
    RNA binding GO:0003723 ISS
Biological Process
    positive regulation of dendritic spine morphogenesis GO:0061003 ISS
    negative regulation of translation GO:0017148 ISS
    positive regulation of dendrite morphogenesis GO:0050775 ISS
Subcellular Localization
    cytoplasmic mRNA processing body GO:0000932 ISS
    cytoplasmic stress granule GO:0010494 ISS
    cytoplasm GO:0005737 IDA
    integral component of plasma membrane GO:0005887 TAS
    dendrite GO:0030425 IEA
    cytosol GO:0005829 IEA
    membrane GO:0016020 IDA
 Experiment description of studies that identified CAPRIN1 in exosomes
1
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
2
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
3
Experiment ID 275
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 sensitive
Isolation/purification methods Filtration
Ultracentrifugation
Sucrose density gradient
Flotation density 1.12-1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry/Flow cytometry/Western blotting
4
Experiment ID 191
ISEV standards
EV Biophysical techniques
Alix
EV Cytosolic markers
CD81|CD9
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 20124223    
Organism Homo sapiens
Experiment description Hypoxic tumor cell modulates its microenvironment to enhance angiogenic and metastatic potential by secretion of proteins and exosomes.
Authors Park JE, Tan HS, Datta A, Lai RC, Zhang H, Meng W, Lim SK, Sze SK.
Journal name Mol Cell Proteomics
Publication year 2010
Sample Squamous carcinoma cells
Sample name Squamous carcinoma cell (A431)
Isolation/purification methods Differential centrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
 Protein-protein interactions for CAPRIN1
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 PRMT1 3276
Biochemical Activity Homo sapiens
2 PINX1  
Affinity Capture-MS Homo sapiens
3 CAPRIN1 4076
Invitro Homo sapiens
Invivo Homo sapiens
Affinity Capture-MS Homo sapiens
Invitro Homo sapiens
Invivo Homo sapiens
Affinity Capture-MS Homo sapiens
View the network image/svg+xml
 Pathways in which CAPRIN1 is involved
No pathways found





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