Gene description for JCHAIN
Gene name joining chain of multimeric IgA and IgM
Gene symbol JCHAIN
Other names/aliases IGCJ
IGJ
JCH
Species Homo sapiens
 Database cross references - JCHAIN
ExoCarta ExoCarta_3512
Entrez Gene 3512
HGNC 5713
MIM 147790
UniProt P01591  
 JCHAIN identified in exosomes derived from the following tissue/cell type
Mesenchymal stem cells Unpublished / Not applicable
Plasma 19028452    
Saliva 19199708    
Thymus 23844026    
Urine 25452312    
 Gene ontology annotations for JCHAIN
Molecular Function
    antigen binding GO:0003823 NAS
    protein homodimerization activity GO:0042803 IDA
    IgA binding GO:0019862 IMP
    immunoglobulin receptor binding GO:0034987 IMP
    peptidoglycan binding GO:0042834 IDA
    phosphatidylcholine binding GO:0031210 IDA
    single-stranded DNA binding GO:0003697 IDA
Biological Process
    antibacterial humoral response GO:0019731 IDA
    adaptive immune response GO:0002250 IDA
    positive regulation of protein oligomerization GO:0032461 IMP
    innate immune response GO:0045087 IDA
    glomerular filtration GO:0003094 IMP
    retina homeostasis GO:0001895 IEP
    immune response GO:0006955 NAS
    positive regulation of respiratory burst GO:0060267 IDA
Subcellular Localization
    secretory IgA immunoglobulin complex GO:0071751 IDA
    pentameric IgM immunoglobulin complex GO:0071756 IDA
    extracellular exosome GO:0070062 IDA
    extracellular region GO:0005576 NAS
    monomeric IgA immunoglobulin complex GO:0071748 IDA
    hexameric IgM immunoglobulin complex GO:0071757 IDA
    extracellular space GO:0005615 IDA
    dimeric IgA immunoglobulin complex GO:0071750 IMP
    blood microparticle GO:0072562 IDA
    secretory dimeric IgA immunoglobulin complex GO:0071752 IDA
 Experiment description of studies that identified JCHAIN 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PubMed ID Unpublished / Not applicable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 44
ISEV standards
IEM
EV Biophysical techniques
EV Cytosolic markers
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 19028452    
Organism Homo sapiens
Experiment description Proteomic profiling of human plasma exosomes identifies PPARgamma as an exosome-associated protein.
Authors Looze C, Yui D, Leung L, Ingham M, Kaler M, Yao X, Wu WW, Shen RF, Daniels MP, Levine SJ
Journal name BBRC
Publication year 2009
Sample Plasma
Sample name Plasma
Isolation/purification methods Filtration
Size exclusion
Sucrose density gradient
Flotation density 1.15-1.16 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [LTQ]
Western blotting
Immunoelectron Microscopy
3
Experiment ID 66
ISEV standards
IEM
EV Biophysical techniques
TSG101|Alix
EV Cytosolic markers
CD63|CD81
EV Membrane markers
EV Negative markers
EV 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
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
5
Experiment ID 238
ISEV standards
EM
EV Biophysical techniques
TSG101
EV Cytosolic markers
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25452312    
Organism Homo sapiens
Experiment description N-linked (N-) glycoproteomics of urimary exosomes
Authors Saraswat M, Joenvaara S, Musante L, Peltoniemi H4, Holthofer H, Renkonen R.
Journal name Mol Cell Proteomics
Publication year 2014
Sample Urine
Sample name Urine - Normal
Isolation/purification methods Differential centrifugation
Filtration
Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
 Protein-protein interactions for JCHAIN
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 CD79A  
Invitro Homo sapiens
Invitro Homo sapiens
View the network image/svg+xml
 Pathways in which JCHAIN is involved
No pathways found





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