Gene description for HLA-G
Gene name major histocompatibility complex, class I, G
Gene symbol HLA-G
Other names/aliases MHC-G
Species Homo sapiens
 Database cross references - HLA-G
ExoCarta ExoCarta_3135
Entrez Gene 3135
HGNC 4964
MIM 142871
UniProt P17693  
 HLA-G identified in exosomes derived from the following tissue/cell type
Bladder cancer cells 20224111    
Malignant pleural effusions 14975938    
 Gene ontology annotations for HLA-G
Molecular Function
    peptide antigen binding GO:0042605 IBA
    receptor binding GO:0005102 IPI
    protein homodimerization activity GO:0042803 NAS
Biological Process
    interferon-gamma-mediated signaling pathway GO:0060333 TAS
    antigen processing and presentation of exogenous peptide antigen via MHC class I, TAP-independent GO:0002480 TAS
    type I interferon signaling pathway GO:0060337 TAS
    negative regulation of dendritic cell differentiation GO:2001199 IDA
    antigen processing and presentation of exogenous peptide antigen via MHC class I GO:0042590 TAS
    cellular defense response GO:0006968 TAS
    antigen processing and presentation of peptide antigen via MHC class I GO:0002474 TAS
    positive regulation of T cell tolerance induction GO:0002666 IMP
    positive regulation of regulatory T cell differentiation GO:0045591 IMP
    positive regulation of tolerance induction GO:0002645 IMP
    negative regulation of immune response GO:0050777 IC
    immune response-inhibiting cell surface receptor signaling pathway GO:0002767 IDA
    antigen processing and presentation of exogenous peptide antigen via MHC class I, TAP-dependent GO:0002479 TAS
    negative regulation of T cell proliferation GO:0042130 IDA
    cytokine-mediated signaling pathway GO:0019221 TAS
    regulation of immune response GO:0050776 TAS
    positive regulation of interleukin-12 production GO:0032735 IDA
Subcellular Localization
    early endosome membrane GO:0031901 TAS
    membrane GO:0016020 IDA
    MHC class I protein complex GO:0042612 IEA
    integral component of lumenal side of endoplasmic reticulum membrane GO:0071556 TAS
    phagocytic vesicle membrane GO:0030670 TAS
    Golgi membrane GO:0000139 TAS
    plasma membrane GO:0005886 TAS
    ER to Golgi transport vesicle membrane GO:0012507 TAS
 Experiment description of studies that identified HLA-G in exosomes
1
Experiment ID 76
ISEV standards
EM
EV Biophysical techniques
TSG101|GAPDH|HSP90
EV Cytosolic markers
CD81|CD9|CD63|LAMP1|MHCI
EV Membrane markers
HSP90B1
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
Western blotting
FACS
PubMed ID 20224111    
Organism Homo sapiens
Experiment description Proteomics analysis of bladder cancer exosomes.
Authors Welton JL, Khanna S, Giles PJ, Brennan P, Brewis IA, Staffurth J, Mason MD, Clayton A.
Journal name MCP
Publication year 2010
Sample Bladder cancer cells
Sample name HT1376
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Flotation density 1.10-1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [MALDI TOF/TOF]
Western blotting
FACS
2
Experiment ID 52
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 - Lung 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
 Protein-protein interactions for HLA-G
  Protein Interactor ExoCarta ID Identification method PubMed Species
No interactions are found.



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