Gene description for LGR4
Gene name leucine-rich repeat containing G protein-coupled receptor 4
Gene symbol LGR4
Other names/aliases BNMD17
GPR48
Species Homo sapiens
 Database cross references - LGR4
ExoCarta ExoCarta_55366
Entrez Gene 55366
HGNC 13299
MIM 606666
UniProt Q9BXB1  
 LGR4 identified in exosomes derived from the following tissue/cell type
Hepatocytes 26054723    
Ovarian cancer cells 23333927    
Ovarian cancer cells 23333927    
 Gene ontology annotations for LGR4
Molecular Function
    transmembrane signaling receptor activity GO:0004888 IDA
    protein binding GO:0005515 IPI
    G-protein coupled receptor activity GO:0004930 IDA
Biological Process
    negative regulation of toll-like receptor signaling pathway GO:0034122 ISS
    bone mineralization GO:0030282 ISS
    epithelial cell proliferation GO:0050673 IEA
    G-protein coupled receptor signaling pathway GO:0007186 IEA
    osteoblast differentiation GO:0001649 ISS
    metanephric nephron tubule morphogenesis GO:0072282 IEA
    innate immune response GO:0045087 IEA
    negative regulation of transcription, DNA-templated GO:0045892 IEA
    male genitalia development GO:0030539 IEA
    cell differentiation involved in metanephros development GO:0072202 IEA
    metanephric glomerulus development GO:0072224 IEA
    canonical Wnt signaling pathway involved in metanephric kidney development GO:0061290 IEA
    spermatogenesis GO:0007283 ISS
    negative regulation of cytokine secretion GO:0050710 ISS
    positive regulation of canonical Wnt signaling pathway GO:0090263 IDA
    circadian regulation of gene expression GO:0032922 ISS
    positive regulation of branching involved in ureteric bud morphogenesis GO:0090190 IEA
    bone remodeling GO:0046849 ISS
    positive regulation of transcription, DNA-templated GO:0045893 IEA
Subcellular Localization
    integral component of plasma membrane GO:0005887 IDA
    plasma membrane GO:0005886 TAS
 Experiment description of studies that identified LGR4 in exosomes
1
Experiment ID 237
ISEV standards
EM
EV Biophysical techniques
TSG101|Alix|HSC70|GAPDH
EV Cytosolic markers
EV Membrane markers
HSP90B1
EV Negative markers
qNano
EV Particle analysis
Identified molecule mRNA
Identification method RNA Sequencing
PubMed ID 26054723    
Organism Homo sapiens
Experiment description Hepatocellular carcinoma-derived exosomes promote motility of immortalized hepatocyte through transfer of oncogenic proteins and RNAs
Authors He M, Qin H, Poon TC, Sze SC, Ding X, Co NN, Ngai SM, Chan TF, Wong N
Journal name Carcinogenesis
Publication year 2015
Sample Hepatocytes
Sample name MIHA
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Sucrose density gradient
Flotation density 1.13-1.19 g/mL
Molecules identified in the study Protein
RNA
Methods used in the study Western blotting
Mass spectrometry
RNA Sequencing
2
Experiment ID 211
ISEV standards
EM
EV Biophysical techniques
TSG101|Alix
EV Cytosolic markers
EpCAM|TFRC
EV Membrane markers
cytochrome c|GOLGA2
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23333927    
Organism Homo sapiens
Experiment description Characterization and proteomic analysis of ovarian cancer-derived exosomes.
Authors Liang B, Peng P, Chen S, Li L, Zhang M, Cao D, Yang J, Li H, Gui T, Li X, Shen K.
Journal name J Proteomics
Publication year 2013
Sample Ovarian cancer cells
Sample name IGROV1
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.09-1.15 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
3
Experiment ID 212
ISEV standards
CEM
EV Biophysical techniques
TSG101|Alix
EV Cytosolic markers
EpCAM|TFRC
EV Membrane markers
Cytochrome C|GOLGA2
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23333927    
Organism Homo sapiens
Experiment description Characterization and proteomic analysis of ovarian cancer-derived exosomes.
Authors Liang B, Peng P, Chen S, Li L, Zhang M, Cao D, Yang J, Li H, Gui T, Li X, Shen K.
Journal name J Proteomics
Publication year 2013
Sample Ovarian cancer cells
Sample name OVCAR-3
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.09-1.15 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
 Protein-protein interactions for LGR4
  Protein Interactor ExoCarta ID Identification method PubMed Species
No interactions are found.
 Pathways in which LGR4 is involved
PathwayEvidenceSource
regulation of FZD by ubiquitination TAS Reactome





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