Gene description for COL7A1
Gene name collagen, type VII, alpha 1
Gene symbol COL7A1
Other names/aliases EBD1
EBDCT
EBR1
NDNC8
Species Homo sapiens
 Database cross references - COL7A1
ExoCarta ExoCarta_1294
Entrez Gene 1294
HGNC 2214
MIM 120120
UniProt Q02388  
 COL7A1 identified in exosomes derived from the following tissue/cell type
Hepatocellular carcinoma cells 26054723    
Mesenchymal stem cells Unpublished / Not applicable
Neuroblastoma cells 25944692    
Thymus 23844026    
 Gene ontology annotations for COL7A1
Molecular Function
    serine-type endopeptidase inhibitor activity GO:0004867 IEA
    identical protein binding GO:0042802 IEA
    protein binding GO:0005515 IPI
Biological Process
    endodermal cell differentiation GO:0035987 IEP
    negative regulation of endopeptidase activity GO:0010951 IEA
    cell adhesion GO:0007155 IEA
    epidermis development GO:0008544 TAS
    collagen catabolic process GO:0030574 TAS
    extracellular matrix organization GO:0030198 TAS
    extracellular matrix disassembly GO:0022617 TAS
Subcellular Localization
    extracellular matrix GO:0031012 ISS
    extracellular space GO:0005615 IDA
    collagen type VII trimer GO:0005590 TAS
    basement membrane GO:0005604 IEA
    endoplasmic reticulum lumen GO:0005788 TAS
    extracellular region GO:0005576 TAS
 Experiment description of studies that identified COL7A1 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 protein
Identification method Mass spectrometry
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 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
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 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 COL7A1
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 THBS1 7057
Two-hybrid Homo sapiens
2 FN1 2335
Reconstituted Complex Homo sapiens
Reconstituted Complex Homo sapiens
3 COL1A1 1277
Reconstituted Complex Homo sapiens
4 COL4A1 1282
Reconstituted Complex Homo sapiens
5 LAMA5 3911
Reconstituted Complex Homo sapiens
Affinity Capture-Western Homo sapiens
6 LAMC2 3918
Reconstituted Complex Homo sapiens
7 LAMB3 3914
Reconstituted Complex Homo sapiens
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