Gene description for Gnai2
Gene name guanine nucleotide binding protein (G protein), alpha inhibiting activity polypeptide 2
Gene symbol Gnai2
Other names/aliases Galphai2
Species Rattus norvegicus
 Database cross references - Gnai2
ExoCarta ExoCarta_81664
Vesiclepedia VP_81664
Entrez Gene 81664
UniProt P04897  
 Gnai2 identified in sEVs derived from the following tissue/cell type
Adipocytes 25998041    
Hepatocytes 19367702    
Reticulocytes 21828046    
Reticulocytes 21828046    
Reticulocytes 21828046    
Reticulocytes 21828046    
Reticulocytes 21828046    
Reticulocytes 21828046    
Urine 20535238    
 Gene ontology annotations for Gnai2
Molecular Function
    G protein-coupled receptor binding GO:0001664 IBA
    GTPase activity GO:0003924 IBA
    GTPase activity GO:0003924 IEA
    protein binding GO:0005515 IPI
    GTP binding GO:0005525 IEA
    G-protein beta/gamma-subunit complex binding GO:0031683 IBA
    G-protein beta/gamma-subunit complex binding GO:0031683 IEA
    metal ion binding GO:0046872 IEA
Biological Process
    G protein-coupled adenosine receptor signaling pathway GO:0001973 IBA
    G protein-coupled adenosine receptor signaling pathway GO:0001973 IDA
    G protein-coupled receptor signaling pathway GO:0007186 IDA
    adenylate cyclase-modulating G protein-coupled receptor signaling pathway GO:0007188 IEA
    adenylate cyclase-activating G protein-coupled receptor signaling pathway GO:0007189 IMP
    adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway GO:0007193 IBA
    adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway GO:0007193 ISO
    G protein-coupled acetylcholine receptor signaling pathway GO:0007213 ISO
    gamma-aminobutyric acid signaling pathway GO:0007214 IBA
    gamma-aminobutyric acid signaling pathway GO:0007214 IDA
    G protein-coupled glutamate receptor signaling pathway GO:0007216 IDA
    regulation of heart contraction GO:0008016 ISO
    cell population proliferation GO:0008283 ISO
    positive regulation of cell population proliferation GO:0008284 IMP
    positive regulation of cell population proliferation GO:0008284 ISO
    positive regulation of cell migration GO:0030335 IMP
    positive regulation of superoxide anion generation GO:0032930 IMP
    positive regulation of NAD(P)H oxidase activity GO:0033864 IMP
    positive regulation of urine volume GO:0035810 IMP
    negative regulation of calcium ion-dependent exocytosis GO:0045955 IMP
    modulation of chemical synaptic transmission GO:0050804 ISO
    negative regulation of synaptic transmission GO:0050805 IDA
    cell division GO:0051301 IEA
    cell division GO:0051301 ISO
    cell division GO:0051301 ISS
    regulation of calcium ion transport GO:0051924 IDA
    positive regulation of ERK1 and ERK2 cascade GO:0070374 IMP
    negative regulation of adenylate cyclase-activating adrenergic receptor signaling pathway GO:0071878 IDA
    positive regulation of vascular associated smooth muscle cell proliferation GO:1904707 IMP
    positive regulation of neural precursor cell proliferation GO:2000179 IMP
    negative regulation of apoptotic signaling pathway GO:2001234 IMP
Subcellular Localization
    nucleoplasm GO:0005654 IEA
    nucleoplasm GO:0005654 ISO
    cytoplasm GO:0005737 IBA
    cytoplasm GO:0005737 IEA
    cytoplasm GO:0005737 ISO
    cytoplasm GO:0005737 ISS
    centrosome GO:0005813 IEA
    centrosome GO:0005813 ISO
    centrosome GO:0005813 ISS
    cytosol GO:0005829 IEA
    cytosol GO:0005829 ISO
    heterotrimeric G-protein complex GO:0005834 IBA
    plasma membrane GO:0005886 IDA
    plasma membrane GO:0005886 IEA
    plasma membrane GO:0005886 ISO
    plasma membrane GO:0005886 TAS
    dendrite GO:0030425 ISO
    midbody GO:0030496 ISO
    midbody GO:0030496 ISS
    cell body GO:0044297 ISO
    exocytic vesicle GO:0070382 ISO
    hippocampal mossy fiber to CA3 synapse GO:0098686 ISO
    neuronal dense core vesicle GO:0098992 ISO
 Experiment description of studies that identified Gnai2 in sEVs
1
Experiment ID 225
MISEV standards
EM
Biophysical techniques
GAPDH|CD63
Enriched markers
Negative markers
NTA
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25998041    
Organism Rattus norvegicus
Experiment description Proteomic Analysis of Extracellular Vesicles Released by Adipocytes of Otsuka Long-Evans Tokushima Fatty (OLETF) Rats.
Authors "Lee JE, Moon PG, Lee IK, Baek MC"
Journal name Protein J
Publication year 2015
Sample Adipocytes
Sample name Adipocytes
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
Western blotting
2
Experiment ID 35
MISEV standards
CEM
Biophysical techniques
TSG101|Alix|CD81|CD63
Enriched markers
HSPA5
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 19367702    
Organism Rattus norvegicus
Experiment description Characterization and Comprehensive Proteome Profiling of Exosomes Secreted by Hepatocytes.
Authors "Conde-Vancells J, Rodriguez-Suarez E, Embade N, Gil D, Matthiesen R, Valle M, Elortza F, Lu SC, Mato JM, Falcon-Perez JM"
Journal name JPR
Publication year 2008
Sample Hepatocytes
Sample name Hepatocytes
Isolation/purification methods Differential centrifugation
Filtration
Sucrose density gradient
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [QTOF]
Western blotting
3
Experiment ID 90
MISEV standards
EM
Biophysical techniques
HSC70|HSP90|TSG101|MHCI
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry [Orbitrap]
PubMed ID 21828046    
Organism Rattus norvegicus
Experiment description The proteo-lipidic composition of exosomes changes during reticulocyte maturation.
Authors "Carayon K, Chaoui K, Ronzier E, Lazar I, Bertrand-Michel J, Roques V, Balor S, Terce F, Lopez A, Salome L, Joly E"
Journal name JBC
Publication year 2011
Sample Reticulocytes
Sample name Reticulocytes - D2 Rep 1
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.16-1.21 g/mL
Molecules identified in the study Protein
Lipids
Methods used in the study Mass spectrometry [QSTAR]
Mass spectrometry [Orbitrap]
Western blotting
4
Experiment ID 94
MISEV standards
EM
Biophysical techniques
TSG101|HSP90|HSC70|MHCI
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry [Orbitrap]
PubMed ID 21828046    
Organism Rattus norvegicus
Experiment description The proteo-lipidic composition of exosomes changes during reticulocyte maturation.
Authors "Carayon K, Chaoui K, Ronzier E, Lazar I, Bertrand-Michel J, Roques V, Balor S, Terce F, Lopez A, Salome L, Joly E."
Journal name JBC
Publication year 2011
Sample Reticulocytes
Sample name Reticulocytes - D4 Rep 1
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.16-1.21 g/mL
Molecules identified in the study Protein
Lipids
Methods used in the study Mass spectrometry [QSTAR]
Mass spectrometry [Orbitrap]
Western blotting
5
Experiment ID 95
MISEV standards
EM
Biophysical techniques
TSG101|HSP90|HSC70|MHCI
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry [Orbitrap]
PubMed ID 21828046    
Organism Rattus norvegicus
Experiment description The proteo-lipidic composition of exosomes changes during reticulocyte maturation.
Authors "Carayon K, Chaoui K, Ronzier E, Lazar I, Bertrand-Michel J, Roques V, Balor S, Terce F, Lopez A, Salome L, Joly E."
Journal name JBC
Publication year 2011
Sample Reticulocytes
Sample name Reticulocytes - D7 Rep 1
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.13-1.25 g/mL
Molecules identified in the study Protein
Lipids
Methods used in the study Mass spectrometry [QSTAR]
Mass spectrometry [Orbitrap]
Western blotting
6
Experiment ID 96
MISEV standards
EM
Biophysical techniques
TSG101|HSP90|HSC70|MHCI
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry [Orbitrap]
PubMed ID 21828046    
Organism Rattus norvegicus
Experiment description The proteo-lipidic composition of exosomes changes during reticulocyte maturation.
Authors "Carayon K, Chaoui K, Ronzier E, Lazar I, Bertrand-Michel J, Roques V, Balor S, Terce F, Lopez A, Salome L, Joly E."
Journal name JBC
Publication year 2011
Sample Reticulocytes
Sample name Reticulocytes - D2 Rep 2
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.16-1.21 g/mL
Molecules identified in the study Protein
Lipids
Methods used in the study Mass spectrometry [QSTAR]
Mass spectrometry [Orbitrap]
Western blotting
7
Experiment ID 97
MISEV standards
EM
Biophysical techniques
TSG101|HSP90|HSC70|MHCI
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry [Orbitrap]
PubMed ID 21828046    
Organism Rattus norvegicus
Experiment description The proteo-lipidic composition of exosomes changes during reticulocyte maturation.
Authors "Carayon K, Chaoui K, Ronzier E, Lazar I, Bertrand-Michel J, Roques V, Balor S, Terce F, Lopez A, Salome L, Joly E."
Journal name JBC
Publication year 2011
Sample Reticulocytes
Sample name Reticulocytes - D4 Rep 2
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.16-1.21 g/mL
Molecules identified in the study Protein
Lipids
Methods used in the study Mass spectrometry [QSTAR]
Mass spectrometry [Orbitrap]
Western blotting
8
Experiment ID 98
MISEV standards
EM
Biophysical techniques
TSG101|HSP90|HSC70|MHCI
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry [Orbitrap]
PubMed ID 21828046    
Organism Rattus norvegicus
Experiment description The proteo-lipidic composition of exosomes changes during reticulocyte maturation.
Authors "Carayon K, Chaoui K, Ronzier E, Lazar I, Bertrand-Michel J, Roques V, Balor S, Terce F, Lopez A, Salome L, Joly E."
Journal name JBC
Publication year 2011
Sample Reticulocytes
Sample name Reticulocytes - D7 Rep 2
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.13-1.25 g/mL
Molecules identified in the study Protein
Lipids
Methods used in the study Mass spectrometry [QSTAR]
Mass spectrometry [Orbitrap]
Western blotting
9
Experiment ID 192
MISEV standards
CEM
Biophysical techniques
TSG101|HSP70|CD63|CD81|FLOT
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 20535238    
Organism Rattus norvegicus
Experiment description Candidate biomarkers in exosome-like vesicles purified from rat and mouse urine samples.
Authors "Conde-Vancells J, Rodriguez-Suarez E, Gonzalez E, Berisa A, Gil D, Embade N, Valle M, Luka Z, Elortza F, Wagner C, Lu SC, Mato JM, Falcon-Perez M."
Journal name Proteomics Clin Appl
Publication year 2010
Sample Urine
Sample name Urine - Rats of liver injury
Isolation/purification methods Differential centrifugation
Filtration
UltracentrifugationSucrose cushion
Sucrose density gradient
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
 Protein-protein interactions for Gnai2
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 Sumo3  
Affinity Capture-MS Rattus norvegicus
2 Gja1  
Affinity Capture-MS Rattus norvegicus
3 Itm2b 290364
Affinity Capture-MS Rattus norvegicus
View the network image/svg+xml



Perform bioinformatics analysis of your extracellular vesicle data set using FunRich, a open access standalone tool. NEW UPDATED VERSION OF FunRich available for download (12/09/2016) from here