Gene description for CST3
Gene name cystatin C
Gene symbol CST3
Other names/aliases ARMD11
Species Homo sapiens
 Database cross references - CST3
ExoCarta ExoCarta_1471
Vesiclepedia VP_1471
Entrez Gene 1471
HGNC 2475
MIM 604312
UniProt P01034  
 CST3 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    
Colorectal cancer cells 17956143    
Saliva 19199708    
Urine 19056867    
 Gene ontology annotations for CST3
Molecular Function
    amyloid-beta binding GO:0001540 IPI
    protease binding GO:0002020 IPI
    endopeptidase inhibitor activity GO:0004866 IDA
    cysteine-type endopeptidase inhibitor activity GO:0004869 IBA
    cysteine-type endopeptidase inhibitor activity GO:0004869 IDA
    protein binding GO:0005515 IPI
    peptidase inhibitor activity GO:0030414 IDA
    identical protein binding GO:0042802 IPI
Biological Process
    defense response GO:0006952 IDA
    negative regulation of peptidase activity GO:0010466 IDA
    negative regulation of collagen catabolic process GO:0010711 IMP
    negative regulation of extracellular matrix disassembly GO:0010716 IC
    negative regulation of extracellular matrix disassembly GO:0010716 IMP
    regulation of tissue remodeling GO:0034103 IMP
    negative regulation of proteolysis GO:0045861 IDA
    negative regulation of elastin catabolic process GO:0060311 IMP
    negative regulation of blood vessel remodeling GO:0060313 IMP
    supramolecular fiber organization GO:0097435 IGI
Subcellular Localization
    extracellular region GO:0005576 IMP
    extracellular region GO:0005576 TAS
    extracellular space GO:0005615 HDA
    extracellular space GO:0005615 IBA
    extracellular space GO:0005615 IDA
    cytoplasm GO:0005737 IBA
    endoplasmic reticulum GO:0005783 TAS
    endoplasmic reticulum lumen GO:0005788 TAS
    Golgi apparatus GO:0005794 IDA
    plasma membrane GO:0005886 IDA
    vesicle GO:0031982 IBA
    extracellular exosome GO:0070062 HDA
    tertiary granule lumen GO:1904724 TAS
    ficolin-1-rich granule lumen GO:1904813 TAS
 Experiment description of studies that identified CST3 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 20
MISEV standards
✔
EM
Biophysical techniques
✔
HSP90|CD63|CD81|LAMP1
Enriched markers
✔
GOLGA2|cytochrome c
Negative markers
✘ Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 17956143    
Organism Homo sapiens
Experiment description Proteomic analysis of microvesicles derived from human colorectal cancer cells.
Authors "Choi DS, Lee JM, Park GW, Lim HW, Bang JY, Kim YK, Kwon KH, Kwon HJ, Kim KP, Gho YS"
Journal name JPR
Publication year 2007
Sample Colorectal cancer cells
Sample name HT29
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Diafiltration
Flotation density 1.16 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [LTQ]
Western blotting
6
Experiment ID 66
MISEV standards
✔
IEM
Biophysical techniques
✔
TSG101|Alix|CD63|CD81
Enriched markers
✘ Negative markers
✘ Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 19199708    
Organism Homo sapiens
Experiment description Proteomic analysis of human parotid gland exosomes by multidimensional protein identification technology (MudPIT).
Authors "Gonzalez-Begne M, Lu B, Han X, Hagen FK, Hand AR, Melvin JE, Yates JR"
Journal name JPR
Publication year 2009
Sample Saliva
Sample name Saliva
Isolation/purification methods Differential centrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [LTQ]
Western blotting
Immunoelectron Microscopy
7
Experiment ID 63
MISEV standards
✘ Biophysical techniques
✔
AQP2
Enriched markers
✘ Negative markers
✘ Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 19056867    
Organism Homo sapiens
Experiment description Large-scale proteomics and phosphoproteomics of urinary exosomes.
Authors "Gonzales PA, Pisitkun T, Hoffert JD, Tchapyjnikov D, Star RA, Kleta R, Wang NS, Knepper MA"
Journal name JASN
Publication year 2009
Sample Urine
Sample name Urine - Normal
Isolation/purification methods Differential centrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [LTQ]
Western blotting
 Protein-protein interactions for CST3
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 CTSO  
Affinity Capture-MS Homo sapiens
2 SAPCD2  
Affinity Capture-MS Homo sapiens
3 RNF115  
Two-hybrid Homo sapiens
4 ATXN1 6310
Two-hybrid Homo sapiens
5 LGMN 5641
Affinity Capture-MS Homo sapiens
6 ALB 213
Affinity Capture-MS Homo sapiens
7 CTSB 1508
Reconstituted Complex Homo sapiens
Affinity Capture-MS Homo sapiens
8 ZER1 10444
Affinity Capture-MS Homo sapiens
9 BIRC6 57448
Affinity Capture-MS Homo sapiens
10 C4A 720
Reconstituted Complex Homo sapiens
11 CTSL 1514
Affinity Capture-MS Homo sapiens
12 HPCA 3208
Affinity Capture-MS Homo sapiens
13 CSTB 1476
Biochemical Activity Homo sapiens
14 ME1 4199
Affinity Capture-MS Homo sapiens
15 LNPEP 4012
Affinity Capture-MS Homo sapiens
16 CTSC 1075
Affinity Capture-MS Homo sapiens
17 CTSV 1515
Affinity Capture-MS Homo sapiens
18 CBWD1 55871
Affinity Capture-MS Homo sapiens
19 DDX31  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
20 CTSH 1512
Affinity Capture-MS Homo sapiens
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