Gene description for CLDN1
Gene name claudin 1
Gene symbol CLDN1
Other names/aliases CLD1
ILVASC
SEMP1
Species Homo sapiens
 Database cross references - CLDN1
ExoCarta ExoCarta_9076
Entrez Gene 9076
HGNC 2032
MIM 603718
UniProt O95832  
 CLDN1 identified in exosomes derived from the following tissue/cell type
Mesenchymal stem cells Unpublished / Not applicable
Ovarian cancer cells 23333927    
Ovarian cancer cells 23333927    
Prostate cancer cells 25844599    
Prostate cancer cells 25844599    
Thymus 23844026    
 Gene ontology annotations for CLDN1
Molecular Function
    identical protein binding GO:0042802 ISS
    protein binding GO:0005515 IPI
    structural molecule activity GO:0005198 IEA
Biological Process
    calcium-independent cell-cell adhesion via plasma membrane cell-adhesion molecules GO:0016338 ISS
    cell-cell junction organization GO:0045216 IMP
    establishment of skin barrier GO:0061436 IMP
    cell adhesion GO:0007155 TAS
    viral process GO:0016032 IEA
Subcellular Localization
    integral component of plasma membrane GO:0005887 IMP
    integral component of membrane GO:0016021 TAS
    bicellular tight junction GO:0005923 ISS
    apical plasma membrane GO:0016324 IEA
    lateral plasma membrane GO:0016328 IEA
 Experiment description of studies that identified CLDN1 in exosomes
1
Experiment ID 126
ISEV standards
✘ EV Biophysical techniques
✔
GAPDH
EV Cytosolic markers
✘ EV Membrane markers
✘ EV Negative markers
✘ EV 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PubMed ID Unpublished / Not applicable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
2
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
3
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
4
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
5
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
6
Experiment ID 217
ISEV standards
✔
EM
EV Biophysical techniques
✔
TSG101
EV Cytosolic markers
✔
CD81|CD9|CD63
EV Membrane markers
✘ EV Negative markers
✔
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23844026    
Organism Homo sapiens
Experiment description Characterization of human thymic exosomes.
Authors Skogberg G, Gudmundsdottir J, van der Post S, Sandstrom K, Bruhn S, Benson M, Mincheva-Nilsson L, Baranov V, Telemo E, Ekwall O.
Journal name PLoS One
Publication year 2013
Sample Thymus
Sample name Normal-Thymus
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
 Protein-protein interactions for CLDN1
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 MMP2 4313
Invivo Homo sapiens
Affinity Capture-MS Homo sapiens
2 INADL 10207
Reconstituted Complex Homo sapiens
3 CLDN5 7122
Affinity Capture-Western Homo sapiens
Affinity Capture-Western Homo sapiens
4 TJP1 7082
Invitro Homo sapiens
5 TJP2 9414
Invitro Homo sapiens
6 CLDN3 1365
Affinity Capture-MS Homo sapiens
Affinity Capture-Western Homo sapiens
Affinity Capture-Western Homo sapiens
7 MMP14 4323
Invivo Homo sapiens
View the network image/svg+xml
 Pathways in which CLDN1 is involved
PathwayEvidenceSource
Tight junction interactions TAS Reactome





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