Gene description for LRG1
Gene name leucine-rich alpha-2-glycoprotein 1
Gene symbol LRG1
Other names/aliases HMFT1766
LRG
Species Homo sapiens
 Database cross references - LRG1
ExoCarta ExoCarta_116844
Vesiclepedia VP_116844
Entrez Gene 116844
HGNC 29480
MIM 611289
UniProt P02750  
 LRG1 identified in sEVs derived from the following tissue/cell type
Bone marrow mesenchymal stem cells 36408942    
Bone marrow mesenchymal stem cells 36408942    
Bone marrow mesenchymal stem cells 36408942    
Bone marrow mesenchymal stem cells 36408942    
Mesenchymal stem cells 36408942    
Urine 21557262    
Urine 21557262    
Urine 21595033    
Urine 21595033    
Urine 21595033    
 Gene ontology annotations for LRG1
Molecular Function
    type II transforming growth factor beta receptor binding GO:0005114 IPI
    protein binding GO:0005515 IPI
    type I transforming growth factor beta receptor binding GO:0034713 IPI
    transforming growth factor beta binding GO:0050431 IBA
Biological Process
    positive regulation of endothelial cell proliferation GO:0001938 IMP
    immune response GO:0006955 IBA
    transforming growth factor beta receptor signaling pathway GO:0007179 IBA
    response to bacterium GO:0009617 IEA
    positive regulation of epithelial to mesenchymal transition GO:0010718 IDA
    positive regulation of keratinocyte proliferation GO:0010838 IMP
    positive regulation of transforming growth factor beta receptor signaling pathway GO:0030511 IDA
    wound healing, spreading of epidermal cells GO:0035313 IMP
    positive regulation of angiogenesis GO:0045766 IMP
    positive regulation of angiogenesis GO:0045766 IMP
    brown fat cell differentiation GO:0050873 IEA
    keratinocyte migration GO:0051546 IMP
    positive regulation of epithelial cell proliferation involved in wound healing GO:0060054 IMP
    leukocyte adhesion to vascular endothelial cell GO:0061756 IMP
Subcellular Localization
    extracellular region GO:0005576 HDA
    extracellular region GO:0005576 NAS
    extracellular region GO:0005576 TAS
    extracellular space GO:0005615 HDA
    extracellular space GO:0005615 IBA
    extracellular space GO:0005615 IDA
    membrane GO:0016020 NAS
    specific granule lumen GO:0035580 TAS
    intracellular membrane-bounded organelle GO:0043231 IDA
    extracellular exosome GO:0070062 HDA
    tertiary granule lumen GO:1904724 TAS
    ficolin-1-rich granule lumen GO:1904813 TAS
 Experiment description of studies that identified LRG1 in sEVs
1
Experiment ID 489
MISEV standards
✔
EM
Biophysical techniques
✔
Cd9|Cd81|Cd63|Gapdh|Sdcbp|Lamp1|Aqp1|Rab5a|Icam1|Cd82|Itga2b|Tsg101|Lamp2|Rab35|Flot1|Flot2|Cd151|Rab5b|Tfrc|Uchl1
Enriched markers
✔
Canx
Negative markers
✔
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 36408942    
Organism Rattus norvegicus
Experiment description Quantitative proteomic analysis of exosomes from umbilical cord mesenchymal stem cells and rat bone marrow stem cells
Authors "Xu X, Yin F, Guo M, Gan G, Lin G, Wen C, Wang J, Song P, Wang J, Qi ZQ, Zhong CQ."
Journal name Proteomics
Publication year 2023
Sample Bone marrow mesenchymal stem cells
Sample name BMSC - Passage 6
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 490
MISEV standards
✔
EM
Biophysical techniques
✔
Cd9|Cd81|Cd63|Gapdh|Sdcbp|Lamp1|Aqp1|Rab5a|Icam1|Cd82|Itga2b|Tsg101|Lamp2|Rab35|Flot1|Flot2|Cd151|Rab5b|Tfrc|Uchl1
Enriched markers
✔
Canx
Negative markers
✔
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 36408942    
Organism Rattus norvegicus
Experiment description Quantitative proteomic analysis of exosomes from umbilical cord mesenchymal stem cells and rat bone marrow stem cells
Authors "Xu X, Yin F, Guo M, Gan G, Lin G, Wen C, Wang J, Song P, Wang J, Qi ZQ, Zhong CQ."
Journal name Proteomics
Publication year 2023
Sample Bone marrow mesenchymal stem cells
Sample name BMSC - Passage 7
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 491
MISEV standards
✔
EM
Biophysical techniques
✔
Cd9|Cd81|Cd63|Gapdh|Sdcbp|Lamp1|Aqp1|Rab5a|Icam1|Cd82|Itga2b|Tsg101|Lamp2|Rab35|Flot1|Flot2|Cd151|Rab5b|Tfrc|Uchl1
Enriched markers
✔
Canx
Negative markers
✔
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 36408942    
Organism Rattus norvegicus
Experiment description Quantitative proteomic analysis of exosomes from umbilical cord mesenchymal stem cells and rat bone marrow stem cells
Authors "Xu X, Yin F, Guo M, Gan G, Lin G, Wen C, Wang J, Song P, Wang J, Qi ZQ, Zhong CQ."
Journal name Proteomics
Publication year 2023
Sample Bone marrow mesenchymal stem cells
Sample name BMSC - Passage 8
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectometry
4
Experiment ID 492
MISEV standards
✔
EM
Biophysical techniques
✔
Cd9|Cd81|Cd63|Gapdh|Sdcbp|Lamp1|Aqp1|Rab5a|Icam1|Cd82|Itga2b|Tsg101|Lamp2|Rab35|Flot1|Flot2|Cd151|Rab5b|Tfrc|Uchl1
Enriched markers
✔
Canx
Negative markers
✔
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 36408942    
Organism Rattus norvegicus
Experiment description Quantitative proteomic analysis of exosomes from umbilical cord mesenchymal stem cells and rat bone marrow stem cells
Authors "Xu X, Yin F, Guo M, Gan G, Lin G, Wen C, Wang J, Song P, Wang J, Qi ZQ, Zhong CQ."
Journal name Proteomics
Publication year 2023
Sample Bone marrow mesenchymal stem cells
Sample name BMSC - Passage 9
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectometry
5
Experiment ID 488
MISEV standards
✔
EM
Biophysical techniques
✔
CD9|CD81|CD63|GAPDH|SDCBP|LAMP1|TFRC|UCHL1|FLOT2|LAMP2|FLOT1|ICAM1|RAB5B|CD151|RAB35|TSG101|RAB5A|CD82
Enriched markers
✔
CANX
Negative markers
✔
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 36408942    
Organism Homo sapiens
Experiment description Quantitative proteomic analysis of exosomes from umbilical cord mesenchymal stem cells and rat bone marrow stem cells
Authors "Xu X, Yin F, Guo M, Gan G, Lin G, Wen C, Wang J, Song P, Wang J, Qi ZQ, Zhong CQ."
Journal name Proteomics
Publication year 2023
Sample Mesenchymal stem cells
Sample name UCMSC
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectometry
6
Experiment ID 114
MISEV standards
✔
IEM
Biophysical techniques
✘ Enriched markers
✘ Negative markers
✘ Particle analysis
Identified molecule protein
Identification method Mass spectrometry
Western blotting
PubMed ID 21557262    
Organism Homo sapiens
Experiment description Proteomic identification of exosomal LRG1: A potential urinary biomarker for detecting NSCLC.
Authors "Li Y, Zhang Y, Qiu F, Qiu Z."
Journal name ELEC
Publication year 2011
Sample Urine
Sample name Urine - Lung cancer
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
Western blotting
7
Experiment ID 113
MISEV standards
✔
EM|IEM
Biophysical techniques
✔
AQP2
Enriched markers
✘ Negative markers
✘ Particle analysis
Identified molecule protein
Identification method Western blotting
PubMed ID 21557262    
Organism Homo sapiens
Experiment description Proteomic identification of exosomal LRG1: A potential urinary biomarker for detecting NSCLC.
Authors "Li Y, Zhang Y, Qiu F, Qiu Z."
Journal name ELEC
Publication year 2011
Sample Urine
Sample name Urine - Normal
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
Western blotting
8
Experiment ID 193
MISEV standards
✔
EM
Biophysical techniques
✔
CD63|CD9
Enriched markers
✔
PHB
Negative markers
✘ Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 21595033    
Organism Homo sapiens
Experiment description Proteomic analysis of urinary exosomes from patients of early IgA nephropathy and thin basement membrane nephropathy.
Authors "Moon PG, Lee JE, You S, Kim TK, Cho JH, Kim IS, Kwon TH, Kim CD, Park SH, Hwang D, Kim YL, Baek MC."
Journal name Proteomics
Publication year 2011
Sample Urine
Sample name Urine - Normal
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
9
Experiment ID 194
MISEV standards
✘ Biophysical techniques
✘ Enriched markers
✘ Negative markers
✘ Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 21595033    
Organism Homo sapiens
Experiment description Proteomic analysis of urinary exosomes from patients of early IgA nephropathy and thin basement membrane nephropathy.
Authors "Moon PG, Lee JE, You S, Kim TK, Cho JH, Kim IS, Kwon TH, Kim CD, Park SH, Hwang D, Kim YL, Baek MC."
Journal name Proteomics
Publication year 2011
Sample Urine
Sample name Urine - Patients of basement membrane nephropathy
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
10
Experiment ID 195
MISEV standards
✘ Biophysical techniques
✘ Enriched markers
✘ Negative markers
✘ Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 21595033    
Organism Homo sapiens
Experiment description Proteomic analysis of urinary exosomes from patients of early IgA nephropathy and thin basement membrane nephropathy.
Authors "Moon PG, Lee JE, You S, Kim TK, Cho JH, Kim IS, Kwon TH, Kim CD, Park SH, Hwang D, Kim YL, Baek MC."
Journal name Proteomics
Publication year 2011
Sample Urine
Sample name Urine - Patients of early IgA nephropathy
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
 Protein-protein interactions for LRG1
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 NME2 4831
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
2 CYCS 54205
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
3 CCR1  
Affinity Capture-MS Homo sapiens
4 KLK10 5655
Affinity Capture-MS Homo sapiens
5 CNPY3 10695
Affinity Capture-MS Homo sapiens
6 AGPAT1 10554
Affinity Capture-MS Homo sapiens
7 UBE2U  
Affinity Capture-MS Homo sapiens
8 DDX58 23586
Affinity Capture-RNA Homo sapiens
View the network image/svg+xml
 Pathways in which LRG1 is involved
PathwayEvidenceSource
Immune System TAS Reactome
Innate Immune System TAS Reactome
Neutrophil degranulation TAS Reactome





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