Gene description for H2afx
Gene name H2A histone family, member X
Gene symbol H2afx
Other names/aliases AW228881
H2A.X
H2ax
Hist5-2ax
gammaH2ax
Species Mus musculus
 Database cross references - H2afx
ExoCarta ExoCarta_15270
Vesiclepedia VP_15270
Entrez Gene 15270
UniProt P27661  
 H2afx identified in sEVs derived from the following tissue/cell type
Colon cancer cells 37309723    
Fibroblasts 23260141    
Mast cells 17486113    
T-cell lymphoma cells 37309723    
 Gene ontology annotations for H2afx
Molecular Function
    damaged DNA binding GO:0003684 IDA
    protein binding GO:0005515 IPI
    enzyme binding GO:0019899 IEA
    enzyme binding GO:0019899 ISO
    structural constituent of chromatin GO:0030527 IBA
    structural constituent of chromatin GO:0030527 IEA
    histone binding GO:0042393 IEA
    histone binding GO:0042393 ISO
    protein heterodimerization activity GO:0046982 IEA
    chromatin-protein adaptor activity GO:0140463 IEA
    chromatin-protein adaptor activity GO:0140463 ISO
Biological Process
    DNA damage checkpoint signaling GO:0000077 IMP
    DNA damage checkpoint signaling GO:0000077 ISO
    double-strand break repair via homologous recombination GO:0000724 IMP
    DNA repair GO:0006281 IDA
    DNA repair GO:0006281 IMP
    chromatin organization GO:0006325 IEA
    DNA damage response GO:0006974 IBA
    DNA damage response GO:0006974 ISO
    DNA damage response GO:0006974 ISS
    spermatogenesis GO:0007283 IMP
    cerebral cortex development GO:0021987 IEA
    heterochromatin formation GO:0031507 IBA
    meiotic cell cycle GO:0051321 IEA
    cellular response to gamma radiation GO:0071480 IEA
    cellular response to gamma radiation GO:0071480 ISO
    cellular senescence GO:0090398 IEA
    protein localization to site of double-strand break GO:1990166 IEA
    protein localization to site of double-strand break GO:1990166 ISO
Subcellular Localization
    chromosome, telomeric region GO:0000781 IEA
    chromosome, telomeric region GO:0000781 ISO
    chromatin GO:0000785 IDA
    nucleosome GO:0000786 IBA
    nucleosome GO:0000786 IEA
    condensed nuclear chromosome GO:0000794 IDA
    male germ cell nucleus GO:0001673 IDA
    XY body GO:0001741 IDA
    nucleus GO:0005634 IBA
    nucleus GO:0005634 IDA
    nucleus GO:0005634 ISO
    nucleoplasm GO:0005654 ISO
    nucleoplasm GO:0005654 TAS
    replication fork GO:0005657 IDA
    chromosome GO:0005694 IDA
    centrosome GO:0005813 ISO
    centrosome GO:0005813 ISS
    nuclear speck GO:0016607 IEA
    nuclear speck GO:0016607 ISO
    site of double-strand break GO:0035861 IDA
    site of double-strand break GO:0035861 ISO
    site of double-strand break GO:0035861 ISO
    site of DNA damage GO:0090734 ISO
    site of DNA damage GO:0090734 ISS
 Experiment description of studies that identified H2afx in sEVs
1
Experiment ID 907
MISEV standards
EM
Biophysical techniques
Tsg101|Sdcbp|Cd151|Gapdh|Lamp2|Cd81|Cd82|Cd9|Cd63|Cd80|Flot2|Tfrc|Rab35|Rab5a
Enriched markers
HSPA5
Negative markers
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 37309723    
Organism Mus musculus
Experiment description Proteomic analysis of the small extracellular vesicles and soluble secretory proteins from cachexia inducing and non-inducing cancer cells
Authors "Chitti SV, Kang T, Fonseka P, Marzan AL, Stewart S, Shahi S, Bramich K, Ang CS, Pathan M, Gummadi S, Mathivanan S."
Journal name Proteomics
Publication year 2023
Sample Colon cancer cells
Sample name C26
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
2
Experiment ID 210
MISEV standards
EM
Biophysical techniques
CD81|FLOT1
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23260141    
Organism Mus musculus
Experiment description Exosomes Mediate Stromal Mobilization of Autocrine Wnt-PCP Signaling in Breast Cancer Cell Migration.
Authors "Luga V, Zhang L, Viloria-Petit AM, Ogunjimi AA, Inanlou MR, Chiu E, Buchanan M, Hosein AN, Basik M, Wrana JL."
Journal name Cell
Publication year 2012
Sample Fibroblasts
Sample name Normal-Fibroblasts (L cells)
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
3
Experiment ID 15
MISEV standards
EM
Biophysical techniques
CD63
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 17486113    
Organism Mus musculus
Homo sapiens
Experiment description Exosome-mediated transfer of mRNAs and microRNAs is a novel mechanism of genetic exchange between cells.
Authors "Valadi H, Ekstrom K, Bossios A, Sjostrand M, Lee JJ, Lotvall JO"
Journal name NCB
Publication year 2007
Sample Mast cells
Sample name MC9
Bone marrow-derived mast cells
HMC-1
Isolation/purification methods Filtration
Ultracentrifugation
Sucrose density gradient
Flotation density 1.11-1.21 g/mL
Molecules identified in the study Protein
mRNA
miRNA
Methods used in the study Mass spectrometry [MALDI TOF]
Western blotting
Microarray
miRCURY LNA Array
4
Experiment ID 908
MISEV standards
EM
Biophysical techniques
Tsg101|Sdcbp|Cd151|Gapdh|Lamp2|Cd81|Cd82|Cd9|Cd63|Cd80|Flot2|Tfrc|Rab35|Rab5a
Enriched markers
HSPA5
Negative markers
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 37309723    
Organism Mus musculus
Experiment description Proteomic analysis of the small extracellular vesicles and soluble secretory proteins from cachexia inducing and non-inducing cancer cells
Authors "Chitti SV, Kang T, Fonseka P, Marzan AL, Stewart S, Shahi S, Bramich K, Ang CS, Pathan M, Gummadi S, Mathivanan S."
Journal name Proteomics
Publication year 2023
Sample T-cell lymphoma cells
Sample name EL4
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
 Protein-protein interactions for H2afx
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 NBN 4683
Co-localization Homo sapiens
2 Nbn  
Co-localization Mus musculus
3 Tmem173  
Proximity Label-MS Mus musculus
4 Scml2  
Affinity Capture-MS Mus musculus
Affinity Capture-Western Mus musculus
5 Atxn1  
Affinity Capture-MS Mus musculus
6 Foxp3  
Affinity Capture-MS Mus musculus
7 Supt16 114741
Affinity Capture-MS Mus musculus
8 Tfe3  
Affinity Capture-MS Mus musculus
9 Hspa2 15512
Affinity Capture-MS Mus musculus
10 Srrm2  
Affinity Capture-MS Mus musculus
11 Atg16l1  
Affinity Capture-MS Mus musculus
12 Atm  
Biochemical Activity Mus musculus
13 TP53BP1 7158
Co-localization Homo sapiens
14 Fancd2  
Affinity Capture-Western Mus musculus
Affinity Capture-Western Mus musculus
15 Trp53bp1  
Co-localization Mus musculus
16 Psip1  
Affinity Capture-MS Mus musculus
17 Mdc1  
Affinity Capture-MS Mus musculus
View the network image/svg+xml
 Pathways in which H2afx is involved
PathwayEvidenceSource
Base Excision Repair IEA Reactome
Base-Excision Repair, AP Site Formation IEA Reactome
Cell Cycle IEA Reactome
Cell Cycle Checkpoints IEA Reactome
Cell Cycle, Mitotic IEA Reactome
Cellular responses to stimuli IEA Reactome
Cellular responses to stress IEA Reactome
Cellular Senescence IEA Reactome
Chromosome Maintenance IEA Reactome
Cleavage of the damaged purine IEA Reactome
Condensation of Prophase Chromosomes IEA Reactome
Deposition of new CENPA-containing nucleosomes at the centromere IEA Reactome
Depurination IEA Reactome
DNA Damage/Telomere Stress Induced Senescence IEA Reactome
DNA Double Strand Break Response IEA Reactome
DNA Double-Strand Break Repair IEA Reactome
DNA Repair IEA Reactome
Epigenetic regulation by WDR5-containing histone modifying complexes IEA Reactome
Epigenetic regulation of adipogenesis genes by MLL3 and MLL4 complexes IEA Reactome
Epigenetic regulation of gene expression IEA Reactome
Epigenetic regulation of gene expression by MLL3 and MLL4 complexes IEA Reactome
G2/M Checkpoints IEA Reactome
G2/M DNA damage checkpoint IEA Reactome
Gene expression (Transcription) IEA Reactome
Generic Transcription Pathway IEA Reactome
HDR through Homologous Recombination (HRR) or Single Strand Annealing (SSA) IEA Reactome
Homology Directed Repair IEA Reactome
Inhibition of DNA recombination at telomere IEA Reactome
M Phase IEA Reactome
Mitotic Prophase IEA Reactome
MLL4 and MLL3 complexes regulate expression of PPARG target genes in adipogenesis and hepatic steatosis IEA Reactome
Nonhomologous End-Joining (NHEJ) IEA Reactome
Nucleosome assembly IEA Reactome
PRC2 methylates histones and DNA IEA Reactome
Processing of DNA double-strand break ends IEA Reactome
Recognition and association of DNA glycosylase with site containing an affected purine IEA Reactome
Recruitment and ATM-mediated phosphorylation of repair and signaling proteins at DNA double strand breaks IEA Reactome
Regulation of endogenous retroelements IEA Reactome
Regulation of endogenous retroelements by KRAB-ZFP proteins IEA Reactome
RNA Polymerase II Transcription IEA Reactome
RUNX1 regulates genes involved in megakaryocyte differentiation and platelet function IEA Reactome
Telomere Maintenance IEA Reactome
Transcriptional regulation by RUNX1 IEA Reactome





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