Gene description for IGHA2
Gene name immunoglobulin heavy constant alpha 2 (A2m marker)
Gene symbol IGHA2
Other names/aliases -
Species Homo sapiens
 Database cross references - IGHA2
ExoCarta ExoCarta_3494
Vesiclepedia VP_3494
Entrez Gene 3494
HGNC 5479
MIM 147000
 IGHA2 identified in exosomes derived from the following tissue/cell type
Chondrocytes 35931686    
Chondrocytes 35931686    
Mesenchymal stem cells Unpublished / Not applicable
Platelets 25332113    
Platelets 25332113    
Platelets 25332113    
Saliva 19199708    
Urine 25452312    
 Gene ontology annotations for IGHA2
Molecular Function
    immunoglobulin receptor binding GO:0034987 IDA
    antigen binding GO:0003823 TAS
Biological Process
    immune response GO:0006955 NAS
    receptor-mediated endocytosis GO:0006898 TAS
    retina homeostasis GO:0001895 IEP
    antibacterial humoral response GO:0019731 IDA
    glomerular filtration GO:0003094 IMP
    positive regulation of respiratory burst GO:0060267 IDA
Subcellular Localization
    secretory dimeric IgA immunoglobulin complex GO:0071752 IDA
    extracellular space GO:0005615 IDA
    extracellular exosome GO:0070062 IDA
    secretory IgA immunoglobulin complex GO:0071751 IDA
    extracellular region GO:0005576 TAS
    blood microparticle GO:0072562 IDA
    monomeric IgA immunoglobulin complex GO:0071748 IDA
 Experiment description of studies that identified IGHA2 in exosomes
1
Experiment ID 494
MISEV standards
EM
EV Biophysical techniques
CD9|CD81|CD151|CD63|CD82|FLOT1|FLOT2|GAPDH|LAMP1|LAMP2|SDCBP|TFRC|TSG101
EV Enriched markers
EV Negative markers
NTA
EV Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 35931686    
Organism Homo sapiens
Experiment description Extracellular vesicles enriched in connexin 43 promote a senescent phenotype in bone and synovial cells contributing to osteoarthritis progression
Authors Varela-Eirín M, Carpintero-Fernández P, Guitián-Caamaño A, Varela-Vázquez A, García-Yuste A, Sánchez-Temprano A, Bravo-López SB, Yañez-Cabanas J, Fonseca E, Largo R, Mobasheri A, Caeiro JR, Mayán MD.
Journal name Cell Death Dis
Publication year 2022
Sample Chondrocytes
Sample name Osteoarthritic cartilage
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 496
MISEV standards
EV Biophysical techniques
CD9|CD151|CD63|CD81|CD82|FLOT1|FLOT2|GAPDH|LAMP1|LAMP2|SDCBP|TFRC|TSG101
EV Enriched markers
EV Negative markers
EV Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 35931686    
Organism Homo sapiens
Experiment description Extracellular vesicles enriched in connexin 43 promote a senescent phenotype in bone and synovial cells contributing to osteoarthritis progression
Authors Varela-Eirín M, Carpintero-Fernández P, Guitián-Caamaño A, Varela-Vázquez A, García-Yuste A, Sánchez-Temprano A, Bravo-López SB, Yañez-Cabanas J, Fonseca E, Largo R, Mobasheri A, Caeiro JR, Mayán MD.
Journal name Cell Death Dis
Publication year 2022
Sample Chondrocytes
Sample name Healthy cartilage
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 126
MISEV standards
EV Biophysical techniques
GAPDH
EV Enriched 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
4
Experiment ID 231
MISEV standards
EV Biophysical techniques
Alix|CD63|CD9
EV Enriched 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
5
Experiment ID 232
MISEV standards
EV Biophysical techniques
EV Enriched 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
6
Experiment ID 233
MISEV standards
EV Biophysical techniques
EV Enriched 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
7
Experiment ID 66
MISEV standards
IEM
EV Biophysical techniques
TSG101|Alix|CD63|CD81
EV Enriched 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
8
Experiment ID 238
MISEV standards
EM
EV Biophysical techniques
TSG101
EV Enriched 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 IGHA2
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 CDK14 5218
Affinity Capture-MS Homo sapiens
2 CDK2AP1  
Affinity Capture-MS Homo sapiens
3 ARK5  
Affinity Capture-MS Homo sapiens
View the network image/svg+xml
 Pathways in which IGHA2 is involved
No pathways found





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