Gene description for DEFA3
Gene name defensin, alpha 3, neutrophil-specific
Gene symbol DEFA3
Other names/aliases DEF3
HNP-3
HNP3
HP-3
HP3
Species Homo sapiens
 Database cross references - DEFA3
ExoCarta ExoCarta_1668
Vesiclepedia VP_1668
Entrez Gene 1668
HGNC 2762
MIM 604522
UniProt P59666  
 DEFA3 identified in sEVs derived from the following tissue/cell type
Chondrocytes 35931686    
Chondrocytes 35931686    
Urine 15326289    
 Gene ontology annotations for DEFA3
Molecular Function
    protein homodimerization activity GO:0042803 IDA
Biological Process
    innate immune response in mucosa GO:0002227 IBA
    innate immune response in mucosa GO:0002227 IDA
    antibacterial humoral response GO:0019731 IBA
    antibacterial humoral response GO:0019731 IDA
    estrogen receptor signaling pathway GO:0030520 IDA
    killing of cells of another organism GO:0031640 IDA
    defense response to Gram-negative bacterium GO:0050829 IBA
    defense response to Gram-positive bacterium GO:0050830 IBA
    defense response to Gram-positive bacterium GO:0050830 IDA
    defense response to fungus GO:0050832 IEA
    defense response to virus GO:0051607 IEA
    disruption of plasma membrane integrity in another organism GO:0051673 IBA
    antimicrobial humoral immune response mediated by antimicrobial peptide GO:0061844 IBA
    antimicrobial humoral immune response mediated by antimicrobial peptide GO:0061844 IC
    antimicrobial humoral immune response mediated by antimicrobial peptide GO:0061844 IDA
    cellular response to lipopolysaccharide GO:0071222 IBA
Subcellular Localization
    extracellular region GO:0005576 TAS
    extracellular space GO:0005615 HDA
    extracellular space GO:0005615 IBA
    extracellular space GO:0005615 IDA
    Golgi lumen GO:0005796 TAS
    azurophil granule lumen GO:0035578 TAS
    extracellular exosome GO:0070062 HDA
 Experiment description of studies that identified DEFA3 in sEVs
1
Experiment ID 494
MISEV standards
EM
Biophysical techniques
CD9|CD81|CD151|CD63|CD82|FLOT1|FLOT2|GAPDH|LAMP1|LAMP2|SDCBP|TFRC|TSG101
Enriched markers
Negative markers
NTA
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
Biophysical techniques
CD9|CD151|CD63|CD81|CD82|FLOT1|FLOT2|GAPDH|LAMP1|LAMP2|SDCBP|TFRC|TSG101
Enriched markers
Negative markers
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 13
MISEV standards
IEM
Biophysical techniques
Alix|RAB4|RAB5B|RAB11|TSG101|CD9|AQP2|AQP1
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 15326289    
Organism Homo sapiens
Experiment description Identification and proteomic profiling of exosomes in human urine.
Authors "Pisitkun T, Shen RF, Knepper MA"
Journal name PNAS
Publication year 2004
Sample Urine
Sample name Urine - Normal
Isolation/purification methods Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [LCQ DECA XP]
Western blotting
 Protein-protein interactions for DEFA3
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 B3GNT2 10678
Affinity Capture-MS Homo sapiens
View the network image/svg+xml
 Pathways in which DEFA3 is involved
PathwayEvidenceSource
Alpha-defensins TAS Reactome
Antimicrobial peptides TAS Reactome
Defensins TAS Reactome
Immune System TAS Reactome
Innate Immune System TAS Reactome





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