Gene description for C1QC
Gene name complement component 1, q subcomponent, C chain
Gene symbol C1QC
Other names/aliases C1Q-C
C1QG
Species Homo sapiens
 Database cross references - C1QC
ExoCarta ExoCarta_714
Entrez Gene 714
HGNC 1245
MIM 120575
UniProt P02747  
 C1QC identified in exosomes derived from the following tissue/cell type
Malignant pleural effusions 14975938    
Malignant pleural effusions 14975938    
Platelets 25332113    
Platelets 25332113    
Platelets 25332113    
 Gene ontology annotations for C1QC
Biological Process
    negative regulation of macrophage differentiation GO:0045650 IDA
    innate immune response GO:0045087 TAS
    complement activation, classical pathway GO:0006958 TAS
    negative regulation of granulocyte differentiation GO:0030853 IDA
    complement activation GO:0006956 TAS
    immune response GO:0006955 NAS
Subcellular Localization
    collagen trimer GO:0005581 IEA
    extracellular region GO:0005576 TAS
    extracellular space GO:0005615 IDA
    blood microparticle GO:0072562 IDA
    extracellular exosome GO:0070062 IDA
 Experiment description of studies that identified C1QC in exosomes
1
Experiment ID 51
ISEV standards
✔
EM
EV Biophysical techniques
✔
HSP90
EV Cytosolic markers
✔
MHCII
EV Membrane markers
✘ EV Negative markers
✘ EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 14975938    
Organism Homo sapiens
Experiment description Proteomic analysis of exosomes isolated from human malignant pleural effusions.
Authors Bard MP, Hegmans JP, Hemmes A, Luider TM, Willemsen R, Severijnen LA, van Meerbeeck JP, Burgers SA, Hoogsteden HC, Lambrecht BN
Journal name AJRCMB
Publication year 2004
Sample Malignant pleural effusions
Sample name Pleural Fluid - Breast cancer
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [MALDI TOF]
Western blotting
2
Experiment ID 53
ISEV standards
✔
EM
EV Biophysical techniques
✔
HSP90
EV Cytosolic markers
✔
MHCII
EV Membrane markers
✘ EV Negative markers
✘ EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 14975938    
Organism Homo sapiens
Experiment description Proteomic analysis of exosomes isolated from human malignant pleural effusions.
Authors Bard MP, Hegmans JP, Hemmes A, Luider TM, Willemsen R, Severijnen LA, van Meerbeeck JP, Burgers SA, Hoogsteden HC, Lambrecht BN
Journal name AJRCMB
Publication year 2004
Sample Malignant pleural effusions
Sample name Pleural Fluid - Mesothelioma
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [MALDI TOF]
Western blotting
3
Experiment ID 231
ISEV standards
✘ EV Biophysical techniques
✔
Alix
EV Cytosolic markers
✔
CD63|CD9
EV Membrane markers
✘ EV Negative markers
✔
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25332113    
Organism Homo sapiens
Experiment description Lipidomic and proteomic characterization of platelet extracellular vesicle subfractions from senescent platelets
Authors Pienimaeki-Roemer A, Kuhlmann K, Bottcher A, Konovalova T, Black A, Orso E, Liebisch G, Ahrens M, Eisenacher M, Meyer HE, Schmitz G.
Journal name Transfusion
Publication year 2015
Sample Platelets
Sample name PL-Exs - Rep 1
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Optiprep density gradient
Flotation density 1.12-1.15 g/mL
Molecules identified in the study Protein
Lipids
Methods used in the study Western blotting
Mass spectrometry
4
Experiment ID 232
ISEV standards
✘ EV Biophysical techniques
✘ EV Cytosolic markers
✘ EV Membrane markers
✘ EV Negative markers
✘ EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25332113    
Organism Homo sapiens
Experiment description Lipidomic and proteomic characterization of platelet extracellular vesicle subfractions from senescent platelets
Authors Pienimaeki-Roemer A, Kuhlmann K, Bottcher A, Konovalova T, Black A, Orso E, Liebisch G, Ahrens M, Eisenacher M, Meyer HE, Schmitz G.
Journal name Transfusion
Publication year 2015
Sample Platelets
Sample name PL-Exs - Rep 2
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Optiprep density gradient
Flotation density 1.12-1.15 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
5
Experiment ID 233
ISEV standards
✘ EV Biophysical techniques
✘ EV Cytosolic markers
✘ EV Membrane markers
✘ EV Negative markers
✘ EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25332113    
Organism Homo sapiens
Experiment description Lipidomic and proteomic characterization of platelet extracellular vesicle subfractions from senescent platelets
Authors Pienimaeki-Roemer A, Kuhlmann K, Bottcher A, Konovalova T, Black A, Orso E, Liebisch G, Ahrens M, Eisenacher M, Meyer HE, Schmitz G.
Journal name Transfusion
Publication year 2015
Sample Platelets
Sample name PL-Exs - Rep 3
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Optiprep density gradient
Flotation density 1.12-1.15 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
 Protein-protein interactions for C1QC
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 PTX3 5806
Invitro Homo sapiens
2 C1QB 713
Affinity Capture-MS Homo sapiens
View the network image/svg+xml
 Pathways in which C1QC is involved
PathwayEvidenceSource
Classical antibody-mediated complement activation TAS Reactome
Initial triggering of complement TAS Reactome





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