Gene description for COL4A1
Gene name collagen, type IV, alpha 1
Gene symbol COL4A1
Other names/aliases BSVD
RATOR
Species Homo sapiens
 Database cross references - COL4A1
ExoCarta ExoCarta_1282
Vesiclepedia VP_1282
Entrez Gene 1282
HGNC 2202
MIM 120130
UniProt P02462  
 COL4A1 identified in sEVs derived from the following tissue/cell type
Bone marrow mesenchymal stem cells 36408942    
Bone marrow mesenchymal stem cells 36408942    
Bone marrow mesenchymal stem cells 36408942    
Bone marrow mesenchymal stem cells 36408942    
Gastric cancer cells 33991177    
Gastric cancer cells 33991177    
Gastric cancer cells 33991177    
Mesenchymal stem cells Unpublished / Not applicable
 Gene ontology annotations for COL4A1
Molecular Function
    extracellular matrix structural constituent GO:0005201 IMP
    protein binding GO:0005515 IPI
    extracellular matrix structural constituent conferring tensile strength GO:0030020 HDA
    extracellular matrix structural constituent conferring tensile strength GO:0030020 IBA
    extracellular matrix structural constituent conferring tensile strength GO:0030020 IMP
    extracellular matrix structural constituent conferring tensile strength GO:0030020 RCA
    platelet-derived growth factor binding GO:0048407 IDA
Biological Process
    branching involved in blood vessel morphogenesis GO:0001569 IMP
    brain development GO:0007420 IMP
    neuromuscular junction development GO:0007528 IEA
    extracellular matrix organization GO:0030198 IBA
    epithelial cell differentiation GO:0030855 IEA
    collagen-activated tyrosine kinase receptor signaling pathway GO:0038063 IEA
    blood vessel morphogenesis GO:0048514 IMP
    retinal blood vessel morphogenesis GO:0061304 IMP
    renal tubule morphogenesis GO:0061333 IMP
    cellular response to amino acid stimulus GO:0071230 IEA
    basement membrane organization GO:0071711 IMP
Subcellular Localization
    extracellular region GO:0005576 NAS
    extracellular region GO:0005576 TAS
    collagen type IV trimer GO:0005587 IMP
    basement membrane GO:0005604 IC
    extracellular space GO:0005615 IBA
    endoplasmic reticulum lumen GO:0005788 TAS
    collagen-containing extracellular matrix GO:0062023 HDA
    collagen-containing extracellular matrix GO:0062023 IBA
    collagen-containing extracellular matrix GO:0062023 ISS
 Experiment description of studies that identified COL4A1 in sEVs
1
Experiment ID 489
MISEV standards
✔
EM
Biophysical techniques
✔
Cd9|Cd81|Cd63|Gapdh|Sdcbp|Lamp1|Aqp1|Rab5a|Icam1|Cd82|Itga2b|Tsg101|Lamp2|Rab35|Flot1|Flot2|Cd151|Rab5b|Tfrc|Uchl1
Enriched markers
✔
Canx
Negative markers
✔
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 36408942    
Organism Rattus norvegicus
Experiment description Quantitative proteomic analysis of exosomes from umbilical cord mesenchymal stem cells and rat bone marrow stem cells
Authors "Xu X, Yin F, Guo M, Gan G, Lin G, Wen C, Wang J, Song P, Wang J, Qi ZQ, Zhong CQ."
Journal name Proteomics
Publication year 2023
Sample Bone marrow mesenchymal stem cells
Sample name BMSC - Passage 6
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectometry
2
Experiment ID 490
MISEV standards
✔
EM
Biophysical techniques
✔
Cd9|Cd81|Cd63|Gapdh|Sdcbp|Lamp1|Aqp1|Rab5a|Icam1|Cd82|Itga2b|Tsg101|Lamp2|Rab35|Flot1|Flot2|Cd151|Rab5b|Tfrc|Uchl1
Enriched markers
✔
Canx
Negative markers
✔
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 36408942    
Organism Rattus norvegicus
Experiment description Quantitative proteomic analysis of exosomes from umbilical cord mesenchymal stem cells and rat bone marrow stem cells
Authors "Xu X, Yin F, Guo M, Gan G, Lin G, Wen C, Wang J, Song P, Wang J, Qi ZQ, Zhong CQ."
Journal name Proteomics
Publication year 2023
Sample Bone marrow mesenchymal stem cells
Sample name BMSC - Passage 7
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectometry
3
Experiment ID 491
MISEV standards
✔
EM
Biophysical techniques
✔
Cd9|Cd81|Cd63|Gapdh|Sdcbp|Lamp1|Aqp1|Rab5a|Icam1|Cd82|Itga2b|Tsg101|Lamp2|Rab35|Flot1|Flot2|Cd151|Rab5b|Tfrc|Uchl1
Enriched markers
✔
Canx
Negative markers
✔
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 36408942    
Organism Rattus norvegicus
Experiment description Quantitative proteomic analysis of exosomes from umbilical cord mesenchymal stem cells and rat bone marrow stem cells
Authors "Xu X, Yin F, Guo M, Gan G, Lin G, Wen C, Wang J, Song P, Wang J, Qi ZQ, Zhong CQ."
Journal name Proteomics
Publication year 2023
Sample Bone marrow mesenchymal stem cells
Sample name BMSC - Passage 8
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectometry
4
Experiment ID 492
MISEV standards
✔
EM
Biophysical techniques
✔
Cd9|Cd81|Cd63|Gapdh|Sdcbp|Lamp1|Aqp1|Rab5a|Icam1|Cd82|Itga2b|Tsg101|Lamp2|Rab35|Flot1|Flot2|Cd151|Rab5b|Tfrc|Uchl1
Enriched markers
✔
Canx
Negative markers
✔
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 36408942    
Organism Rattus norvegicus
Experiment description Quantitative proteomic analysis of exosomes from umbilical cord mesenchymal stem cells and rat bone marrow stem cells
Authors "Xu X, Yin F, Guo M, Gan G, Lin G, Wen C, Wang J, Song P, Wang J, Qi ZQ, Zhong CQ."
Journal name Proteomics
Publication year 2023
Sample Bone marrow mesenchymal stem cells
Sample name BMSC - Passage 9
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectometry
5
Experiment ID 363
MISEV standards
✘ Biophysical techniques
✔
TSG101|GAPDH|AQP1|CD151|CD81|CD82|CD9|EPCAM|FLOT1|FLOT2|ICAM1|ITGA2B|LAMP2|RAB35|RAB5A|RAB5B|SDCBP|TFRC|UCHL1
Enriched markers
✔
DCLK1
Negative markers
✔
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 33991177    
Organism Homo sapiens
Experiment description Cancer stem cell marker DCLK1 reprograms small extracellular vesicles toward migratory phenotype in gastric cancer cells
Authors "Carli ALE, Afshar-Sterle S, Rai A, Fang H, O'Keefe R, Tse J, Ferguson FM, Gray NS, Ernst M, Greening DW, Buchert M."
Journal name Proteomics
Publication year 2021
Sample Gastric cancer cells
Sample name MKN1 - 100K pellet
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
6
Experiment ID 364
MISEV standards
✘ Biophysical techniques
✔
TSG101|GAPDH|AQP1|CD151|CD81|CD82|CD9|EPCAM|FLOT1|FLOT2|ICAM1|ITGA2B|LAMP2|RAB35|RAB5A|RAB5B|SDCBP|TFRC|UCHL1
Enriched markers
✔
DCLK1
Negative markers
✔
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 33991177    
Organism Homo sapiens
Experiment description Cancer stem cell marker DCLK1 reprograms small extracellular vesicles toward migratory phenotype in gastric cancer cells
Authors "Carli ALE, Afshar-Sterle S, Rai A, Fang H, O'Keefe R, Tse J, Ferguson FM, Gray NS, Ernst M, Greening DW, Buchert M."
Journal name Proteomics
Publication year 2021
Sample Gastric cancer cells
Sample name MKN1 - 100K pellet
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
7
Experiment ID 365
MISEV standards
✘ Biophysical techniques
✔
TSG101|GAPDH|AQP1|CD151|CD81|CD82|CD9|EPCAM|FLOT1|FLOT2|ICAM1|ITGA2B|LAMP2|RAB35|RAB5A|RAB5B|SDCBP|TFRC|UCHL1
Enriched markers
✔
DCLK1
Negative markers
✔
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 33991177    
Organism Homo sapiens
Experiment description Cancer stem cell marker DCLK1 reprograms small extracellular vesicles toward migratory phenotype in gastric cancer cells
Authors "Carli ALE, Afshar-Sterle S, Rai A, Fang H, O'Keefe R, Tse J, Ferguson FM, Gray NS, Ernst M, Greening DW, Buchert M."
Journal name Proteomics
Publication year 2021
Sample Gastric cancer cells
Sample name MKN1 - 100K pellet
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
8
Experiment ID 126
MISEV standards
✘ Biophysical techniques
✔
GAPDH
Enriched markers
✘ Negative markers
✘ 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
 Protein-protein interactions for COL4A1
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 NID2 22795
Reconstituted Complex Homo sapiens
2 PDGFA 5154
Reconstituted Complex Homo sapiens
3 COLGALT2  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
4 DISC1 27185
Two-hybrid Homo sapiens
5 LAIR2  
Affinity Capture-MS Homo sapiens
6 COL4A2 1284
Co-crystal Structure Homo sapiens
7 COL4A1 1282
Co-crystal Structure Homo sapiens
Co-crystal Structure Homo sapiens
8 MMP2 4313
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
9 Igfbp7  
Affinity Capture-Western Mus musculus
10 VHL  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-Western Homo sapiens
Affinity Capture-Western Homo sapiens
11 KIFAP3 22920
Affinity Capture-MS Homo sapiens
12 TINAG  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
13 PLOD1 5351
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
14 MAG  
Reconstituted Complex Homo sapiens
15 COL7A1 1294
Reconstituted Complex Homo sapiens
16 PLOD3 8985
Affinity Capture-MS Homo sapiens
17 C1QTNF1 114897
Affinity Capture-MS Homo sapiens
18 THBS1 7057
Reconstituted Complex Homo sapiens
19 NID1 4811
Reconstituted Complex Homo sapiens
20 COL8A1 1295
Affinity Capture-MS Homo sapiens
21 Nid1 18073
Reconstituted Complex Mus musculus
22 MMP9 4318
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
23 PDGFB  
Reconstituted Complex Homo sapiens
Far Western Homo sapiens
24 Cdc26  
Affinity Capture-MS Mus musculus
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