Gene description for SKI
Gene name SKI proto-oncogene
Gene symbol SKI
Other names/aliases SGS
SKV
Species Homo sapiens
 Database cross references - SKI
ExoCarta ExoCarta_6497
Vesiclepedia VP_6497
Entrez Gene 6497
HGNC 10896
MIM 164780
UniProt P12755  
 SKI identified in exosomes derived from the following tissue/cell type
Endothelial cells 26027894    
Hepatocellular carcinoma cells 26054723    
Hepatocellular carcinoma cells 26054723    
Hepatocytes 26054723    
 Gene ontology annotations for SKI
Molecular Function
    transcription corepressor activity GO:0003714 IMP
    protein domain specific binding GO:0019904 IPI
    chromatin binding GO:0003682 IEA
    protein kinase binding GO:0019901 IPI
    zinc ion binding GO:0008270 IDA
    protein binding GO:0005515 IPI
    repressing transcription factor binding GO:0070491 IPI
    histone deacetylase inhibitor activity GO:0046811 ISS
    ubiquitin protein ligase binding GO:0031625 IPI
    SMAD binding GO:0046332 IPI
Biological Process
    cell motility GO:0048870 NAS
    camera-type eye development GO:0043010 ISS
    cell proliferation GO:0008283 NAS
    negative regulation of histone deacetylation GO:0031064 IEA
    anterior/posterior axis specification GO:0009948 ISS
    gene expression GO:0010467 TAS
    negative regulation of transcription from RNA polymerase II promoter GO:0000122 TAS
    myotube differentiation GO:0014902 IDA
    negative regulation of cell proliferation GO:0008285 IDA
    BMP signaling pathway GO:0030509 TAS
    bone morphogenesis GO:0060349 ISS
    negative regulation of Schwann cell proliferation GO:0010626 IGI
    regulation of apoptotic process GO:0042981 IBA
    protein homotrimerization GO:0070207 IDA
    embryonic limb morphogenesis GO:0030326 ISS
    nose morphogenesis GO:0043585 ISS
    myelination in peripheral nervous system GO:0022011 ISS
    transforming growth factor beta receptor signaling pathway GO:0007179 TAS
    negative regulation of BMP signaling pathway GO:0030514 IMP
    negative regulation of activin receptor signaling pathway GO:0032926 IDA
    olfactory bulb development GO:0021772 ISS
    negative regulation of osteoblast differentiation GO:0045668 IDA
    transcription initiation from RNA polymerase II promoter GO:0006367 TAS
    somatic stem cell maintenance GO:0035019 ISS
    palate development GO:0060021 ISS
    lens morphogenesis in camera-type eye GO:0002089 ISS
    skeletal muscle fiber development GO:0048741 ISS
    face morphogenesis GO:0060325 ISS
    positive regulation of DNA binding GO:0043388 IDA
    positive regulation of transcription from RNA polymerase II promoter GO:0045944 ISS
    neural tube closure GO:0001843 ISS
    transcription, DNA-templated GO:0006351 TAS
    SMAD protein signal transduction GO:0060395 IDA
    retina development in camera-type eye GO:0060041 ISS
    camera-type eye morphogenesis GO:0048593 ISS
    positive regulation of Wnt signaling pathway GO:0030177 NAS
    negative regulation of transforming growth factor beta receptor signaling pathway GO:0030512 IMP
    negative regulation of fibroblast proliferation GO:0048147 ISS
Subcellular Localization
    nuclear body GO:0016604 IDA
    centrosome GO:0005813 IDA
    transcription factor complex GO:0005667 ISS
    PML body GO:0016605 IDA
    transcriptional repressor complex GO:0017053 ISS
    nucleoplasm GO:0005654 TAS
    cytoplasm GO:0005737 ISS
    protein complex GO:0043234 IDA
    nucleus GO:0005634 IDA
 Experiment description of studies that identified SKI in exosomes
1
Experiment ID 226
MISEV standards
EM
EV Biophysical techniques
GAPDH|CD9|FLOT1
EV Enriched markers
LMNA|H2AFX|ATP5A1|TOMM20
EV Negative markers
EV Particle analysis
Identified molecule mRNA
Identification method Small RNA sequencing (Illumina HiSeq 2000 (Solexa)
PubMed ID 26027894    
Organism Homo sapiens
Experiment description Quantitative and qualitative analysis of small RNAs in human endothelial cells and exosomes provides insights into localized RNA processing, degradation and sorting
Authors Bas W. M. van Balkom, Almut S. Eisele, D. Michiel Pegtel, Sander Bervoets, Marianne C. Verhaar
Journal name Journal of Extracellular Vesicles
Publication year 2015
Sample Endothelial cells
Sample name HMEC-1
Isolation/purification methods Differential ultracentrifugation
Sucrose density gradient
Flotation density 1.10 g/mL
Molecules identified in the study miRNA
Protein
snoRNA
lncRNA
yRNA
snRNA
mRNA
ncRNA
mtRNA
vtRNA
scaRNA
lincRNA
Methods used in the study Small RNA sequencing (Illumina HiSeq 2000 (Solexa)
Western blotting
2
Experiment ID 235
MISEV standards
EM
EV Biophysical techniques
TSG101|Alix|HSC70|GAPDH
EV Enriched 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 HKCI-8
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
3
Experiment ID 236
MISEV standards
EM
EV Biophysical techniques
TSG101|Alix|HSC70|GAPDH
EV Enriched 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
4
Experiment ID 237
MISEV standards
EM
EV Biophysical techniques
TSG101|Alix|HSC70|GAPDH
EV Enriched 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
 Protein-protein interactions for SKI
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 SMAD2 4087
Reconstituted Complex Homo sapiens
Affinity Capture-Western Homo sapiens
2 HIPK2 28996
Reconstituted Complex Homo sapiens
Affinity Capture-Western Homo sapiens
Reconstituted Complex Homo sapiens
3 SNW1 22938
Invivo Homo sapiens
Invitro Homo sapiens
Two-hybrid Homo sapiens
Two-hybrid Homo sapiens
Reconstituted Complex Homo sapiens
4 SMAD1 4086
Reconstituted Complex Homo sapiens
Affinity Capture-Western Homo sapiens
5 MECP2 4204
Invivo Homo sapiens
Invitro Homo sapiens
6 JUN 3725
Affinity Capture-Western Homo sapiens
7 NCOR1  
Reconstituted Complex Homo sapiens
8 PML 5371
Affinity Capture-Western Homo sapiens
Reconstituted Complex Homo sapiens
9 SMAD4  
Reconstituted Complex Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-Western Homo sapiens
Co-crystal Structure Homo sapiens
10 SKIL  
Reconstituted Complex Homo sapiens
Affinity Capture-Western Homo sapiens
11 NFIX 4784
Phenotypic Enhancement Homo sapiens
Reconstituted Complex Homo sapiens
12 SIN3A  
Reconstituted Complex Homo sapiens
13 SMAD3 4088
Reconstituted Complex Homo sapiens
Affinity Capture-Western Homo sapiens
Affinity Capture-Western Homo sapiens
14 SKI 6497
Reconstituted Complex Homo sapiens
Reconstituted Complex Homo sapiens
View the network image/svg+xml
 Pathways in which SKI is involved
PathwayEvidenceSource
Downregulation of SMAD2/3:SMAD4 transcriptional activity TAS Reactome
Signaling by BMP TAS Reactome





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