Gene description for TRIM28
Gene name tripartite motif containing 28
Gene symbol TRIM28
Other names/aliases KAP1
PPP1R157
RNF96
TF1B
TIF1B
Species Homo sapiens
 Database cross references - TRIM28
ExoCarta ExoCarta_10155
Entrez Gene 10155
HGNC 16384
MIM 601742
UniProt Q13263  
 TRIM28 identified in exosomes derived from the following tissue/cell type
Neuroblastoma cells 25944692    
Ovarian cancer cells 23333927    
Ovarian cancer cells 23333927    
Thymus 23844026    
 Gene ontology annotations for TRIM28
Molecular Function
    DNA binding GO:0003677 IDA
    transcription corepressor activity GO:0003714 IDA
    Krueppel-associated box domain binding GO:0035851 IDA
    zinc ion binding GO:0008270 IDA
    ubiquitin-protein transferase activity GO:0004842 IDA
    chromo shadow domain binding GO:0070087 IPI
    ligase activity GO:0016874 IEA
    transcription coactivator activity GO:0003713 IEA
    ubiquitin protein ligase binding GO:0031625 IDA
    protein kinase activity GO:0004672 IEA
    sequence-specific DNA binding transcription factor activity GO:0003700 ISS
    poly(A) RNA binding GO:0044822 IDA
    sequence-specific DNA binding GO:0043565 ISS
    protein binding GO:0005515 IPI
Biological Process
    negative regulation of viral release from host cell GO:1902187 IDA
    embryonic placenta morphogenesis GO:0060669 IEA
    protein ubiquitination GO:0016567 IDA
    negative regulation of transcription, DNA-templated GO:0045892 IDA
    transcription initiation from RNA polymerase II promoter GO:0006367 TAS
    negative regulation of DNA demethylation GO:1901536 IEA
    DNA repair GO:0006281 IDA
    positive regulation of transcription, DNA-templated GO:0045893 ISS
    embryo implantation GO:0007566 IEA
    regulation of genetic imprinting GO:2000653 IEA
    epithelial to mesenchymal transition GO:0001837 ISS
    protein oligomerization GO:0051259 IDA
    innate immune response GO:0045087 IDA
    DNA methylation involved in embryo development GO:0043045 IEA
    protein autophosphorylation GO:0046777 IEA
    gene expression GO:0010467 TAS
    protein sumoylation GO:0016925 IEA
    positive regulation of transcription factor import into nucleus GO:0042993 IDA
    negative regulation of transcription from RNA polymerase II promoter GO:0000122 IEA
    positive regulation of DNA repair GO:0045739 IDA
    convergent extension involved in axis elongation GO:0060028 IEA
Subcellular Localization
    nucleus GO:0005634 ISS
    nuclear euchromatin GO:0005719 IEA
    nuclear heterochromatin GO:0005720 IEA
    nucleoplasm GO:0005654 TAS
    RNA polymerase II transcription factor complex GO:0090575 ISS
 Experiment description of studies that identified TRIM28 in exosomes
1
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
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
4
Experiment ID 217
ISEV standards
EM
EV Biophysical techniques
TSG101
EV Cytosolic markers
CD81|CD9|CD63
EV Membrane markers
EV Negative markers
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23844026    
Organism Homo sapiens
Experiment description Characterization of human thymic exosomes.
Authors Skogberg G, Gudmundsdottir J, van der Post S, Sandstrom K, Bruhn S, Benson M, Mincheva-Nilsson L, Baranov V, Telemo E, Ekwall O.
Journal name PLoS One
Publication year 2013
Sample Thymus
Sample name Normal-Thymus
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
 Protein-protein interactions for TRIM28
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 CEBPB  
Invivo Homo sapiens
Invivo Homo sapiens
Invitro Homo sapiens
Invitro Homo sapiens
2 TFE3  
Affinity Capture-MS Homo sapiens
3 CBX3 11335
Invivo Homo sapiens
Invitro Homo sapiens
Affinity Capture-Western Homo sapiens
4 TNFRSF10D 8793
Affinity Capture-MS Homo sapiens
5 ZNF197  
Reconstituted Complex Homo sapiens
Affinity Capture-Western Homo sapiens
6 CBX1 10951
Invivo Homo sapiens
Invitro Homo sapiens
Two-hybrid Homo sapiens
Affinity Capture-Western Homo sapiens
7 NCOR1  
Co-purification Homo sapiens
8 TRIM28 10155
FRET Homo sapiens
Affinity Capture-Western Homo sapiens
Co-purification Homo sapiens
FRET Homo sapiens
Affinity Capture-Western Homo sapiens
Co-purification Homo sapiens
9 VIM 7431
Two-hybrid Homo sapiens
10 NR3C1 2908
Invivo Homo sapiens
Invitro Homo sapiens
11 SPG7  
Two-hybrid Homo sapiens
12 TIF1  
FRET Homo sapiens
13 VHL  
Reconstituted Complex Homo sapiens
14 ZNF74  
FRET Homo sapiens
15 TRIM6  
Co-purification Homo sapiens
16 CHD3  
Two-hybrid Homo sapiens
17 CBX5 23468
Invivo Homo sapiens
Invitro Homo sapiens
Two-hybrid Homo sapiens
Affinity Capture-Western Homo sapiens
Two-hybrid Homo sapiens
Affinity Capture-Western Homo sapiens
Affinity Capture-Western Homo sapiens
18 SETDB1  
Affinity Capture-MS Homo sapiens
Two-hybrid Homo sapiens
19 HLA-B  
Affinity Capture-MS Homo sapiens
20 ZNF10  
Two-hybrid Homo sapiens
Reconstituted Complex Homo sapiens
Co-purification Homo sapiens
21 TRIM23 373
Co-purification Homo sapiens
View the network image/svg+xml
 Pathways in which TRIM28 is involved
PathwayEvidenceSource
Generic Transcription Pathway TAS Reactome





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