Gene description for BRD4
Gene name bromodomain containing 4
Gene symbol BRD4
Other names/aliases CAP
HUNK1
HUNKI
MCAP
Species Homo sapiens
 Database cross references - BRD4
ExoCarta ExoCarta_23476
Entrez Gene 23476
HGNC 13575
MIM 608749
UniProt O60885  
 BRD4 identified in exosomes derived from the following tissue/cell type
Colorectal cancer cells 23161513    
Colorectal cancer cells 23161513    
Colorectal cancer cells 23161513    
Hepatocellular carcinoma cells 26054723    
Hepatocytes 26054723    
Neuroblastoma cells 25944692    
 Gene ontology annotations for BRD4
Molecular Function
    p53 binding GO:0002039 IDA
    DNA binding GO:0003677 IEA
    lysine-acetylated histone binding GO:0070577 IDA
    protein binding GO:0005515 IPI
    chromatin binding GO:0003682 IDA
Biological Process
    regulation of phosphorylation of RNA polymerase II C-terminal domain GO:1901407 IDA
    positive regulation of transcription elongation from RNA polymerase II promoter GO:0032968 IMP
    transcription, DNA-templated GO:0006351 IEA
    histone H3-K14 acetylation GO:0044154 IEA
    protein phosphorylation GO:0006468 IEA
    chromosome segregation GO:0007059 IEA
    positive regulation of DNA binding GO:0043388 IEA
    viral process GO:0016032 IEA
    positive regulation of I-kappaB kinase/NF-kappaB signaling GO:0043123 IDA
    regulation of inflammatory response GO:0050727 IDA
    positive regulation of transcription from RNA polymerase II promoter GO:0045944 IDA
    regulation of transcription involved in G1/S transition of mitotic cell cycle GO:0000083 IMP
    negative regulation of DNA damage checkpoint GO:2000002 IMP
    histone H4-K12 acetylation GO:0043983 IEA
    cellular response to DNA damage stimulus GO:0006974 IMP
    chromatin remodeling GO:0006338 IDA
    inner cell mass cell proliferation GO:0001833 IEA
    positive regulation of G2/M transition of mitotic cell cycle GO:0010971 IMP
Subcellular Localization
    cytoplasm GO:0005737 IDA
    chromosome GO:0005694 IDA
    nuclear chromatin GO:0000790 IEA
    nucleoplasm GO:0005654 IDA
    positive transcription elongation factor complex b GO:0008024 IEA
    condensed nuclear chromosome GO:0000794 IDA
    nucleus GO:0005634 IDA
 Experiment description of studies that identified BRD4 in exosomes
1
Experiment ID 207
ISEV standards
EM
EV Biophysical techniques
TSG101|HSP70
EV Cytosolic markers
FLOT1
EV Membrane markers
VDAC
EV Negative markers
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23161513    
Organism Homo sapiens
Experiment description Proteomic analysis of exosomes from mutant KRAS colon cancer cells identifies intercellular transfer of mutant KRAS.
Authors Demory Beckler M, Higginbotham JN, Franklin JL, Ham AJ, Halvey PJ, Imasuen IE, Whitwell C, Li M, Liebler DC, Coffey RJ.
Journal name Mol Cell Proteomics
Publication year 2012
Sample Colorectal cancer cells
Sample name DKO-1
Isolation/purification methods Differential centrifugation
Filtration
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
2
Experiment ID 208
ISEV standards
EM
EV Biophysical techniques
TSG101|HSP70
EV Cytosolic markers
FLOT1
EV Membrane markers
VDAC
EV Negative markers
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23161513    
Organism Homo sapiens
Experiment description Proteomic analysis of exosomes from mutant KRAS colon cancer cells identifies intercellular transfer of mutant KRAS.
Authors Demory Beckler M, Higginbotham JN, Franklin JL, Ham AJ, Halvey PJ, Imasuen IE, Whitwell C, Li M, Liebler DC, Coffey RJ.
Journal name Mol Cell Proteomics
Publication year 2012
Sample Colorectal cancer cells
Sample name Dks-8
Isolation/purification methods Differential centrifugation
Filtration
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
3
Experiment ID 209
ISEV standards
EV Biophysical techniques
TSG101|HSP70
EV Cytosolic markers
FLOT1
EV Membrane markers
VDAC
EV Negative markers
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23161513    
Organism Homo sapiens
Experiment description Proteomic analysis of exosomes from mutant KRAS colon cancer cells identifies intercellular transfer of mutant KRAS.
Authors Demory Beckler M, Higginbotham JN, Franklin JL, Ham AJ, Halvey PJ, Imasuen IE, Whitwell C, Li M, Liebler DC, Coffey RJ.
Journal name Mol Cell Proteomics
Publication year 2012
Sample Colorectal cancer cells
Sample name DLD-1
Isolation/purification methods Differential centrifugation
Filtration
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
4
Experiment ID 236
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 Hepatocellular carcinoma cells
Sample name MHCC97L
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
RT-PCR
RNA Sequencing
5
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
6
Experiment ID 224
ISEV standards
EM|AFM
EV Biophysical techniques
Alix|TSG101
EV Cytosolic markers
CD63|CD81
EV Membrane markers
GOLGA2
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25944692    
Organism Homo sapiens
Experiment description Proteogenomic analysis reveals exosomes are more oncogenic than ectosomes
Authors Keerthikumar S, Gangoda L, Liem M, Fonseka P, Atukorala I, Ozcitti C, Mechler A, Adda CG, Ang CS, Mathivanan S
Journal name Oncotarget
Publication year 2015
Sample Neuroblastoma cells
Sample name SH-SY5Y
Isolation/purification methods Differential centrifugation
Ultracentrifugation
OptiPrep density gradient
Flotation density 1.10 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
Western blotting
 Protein-protein interactions for BRD4
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 RFC1 5981
Affinity Capture-Western Homo sapiens
Affinity Capture-Western Homo sapiens
Reconstituted Complex Homo sapiens
2 RFC3 5983
Affinity Capture-Western Homo sapiens
Reconstituted Complex Homo sapiens
3 RFC5 5985
Affinity Capture-Western Homo sapiens
Reconstituted Complex Homo sapiens
4 RFC4 5984
Affinity Capture-Western Homo sapiens
Reconstituted Complex Homo sapiens
5 RFC2 5982
Affinity Capture-Western Homo sapiens
Reconstituted Complex Homo sapiens
View the network image/svg+xml
 Pathways in which BRD4 is involved
No pathways found





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