Gene description for PPP1R8
Gene name protein phosphatase 1, regulatory subunit 8
Gene symbol PPP1R8
Other names/aliases ARD-1
ARD1
NIPP-1
NIPP1
PRO2047
Species Homo sapiens
 Database cross references - PPP1R8
ExoCarta ExoCarta_5511
Vesiclepedia VP_5511
Entrez Gene 5511
HGNC 9296
MIM 602636
UniProt Q12972  
 PPP1R8 identified in exosomes derived from the following tissue/cell type
Bone marrow mesenchymal stem cells 36408942    
Bone marrow mesenchymal stem cells 36408942    
Bone marrow mesenchymal stem cells 36408942    
Bone marrow mesenchymal stem cells 36408942    
Hepatocytes 26054723    
Mesenchymal stem cells 36408942    
 Gene ontology annotations for PPP1R8
Molecular Function
    protein binding GO:0005515 IPI
    protein phosphatase type 1 regulator activity GO:0008599 IEA
    ribonuclease E activity GO:0008995 TAS
    endonuclease activity GO:0004519 IEA
    protein serine/threonine phosphatase inhibitor activity GO:0004865 TAS
    RNA binding GO:0003723 IEA
    DNA binding GO:0003677 IEA
Biological Process
    cell proliferation GO:0008283 IEA
    mRNA processing GO:0006397 IEA
    RNA splicing GO:0008380 IEA
    negative regulation of catalytic activity GO:0043086 TAS
    regulation of transcription, DNA-templated GO:0006355 IEA
    RNA catabolic process GO:0006401 TAS
    RNA phosphodiester bond hydrolysis GO:0090501 TAS
    transcription, DNA-templated GO:0006351 IEA
Subcellular Localization
    nucleus GO:0005634 TAS
    nucleoplasm GO:0005654 IDA
    nuclear speck GO:0016607 IDA
    cytoplasm GO:0005737 IEA
    spliceosomal complex GO:0005681 IEA
 Experiment description of studies that identified PPP1R8 in exosomes
1
Experiment ID 489
MISEV standards
✔
EM
EV Biophysical techniques
✔
Cd9|Cd81|Cd63|Gapdh|Sdcbp|Lamp1|Aqp1|Rab5a|Icam1|Cd82|Itga2b|Tsg101|Lamp2|Rab35|Flot1|Flot2|Cd151|Rab5b|Tfrc|Uchl1
EV Enriched markers
✔
Canx
EV Negative markers
✔
NTA
EV Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 36408942    
Organism Rattus norvegicus
Experiment description Quantitative proteomic analysis of exosomes from umbilical cord mesenchymal stem cells and rat bone marrow stem cells
Authors Xu X, Yin F, Guo M, Gan G, Lin G, Wen C, Wang J, Song P, Wang J, Qi ZQ, Zhong CQ.
Journal name Proteomics
Publication year 2023
Sample Bone marrow mesenchymal stem cells
Sample name BMSC - Passage 6
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 490
MISEV standards
✔
EM
EV Biophysical techniques
✔
Cd9|Cd81|Cd63|Gapdh|Sdcbp|Lamp1|Aqp1|Rab5a|Icam1|Cd82|Itga2b|Tsg101|Lamp2|Rab35|Flot1|Flot2|Cd151|Rab5b|Tfrc|Uchl1
EV Enriched markers
✔
Canx
EV Negative markers
✔
NTA
EV Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 36408942    
Organism Rattus norvegicus
Experiment description Quantitative proteomic analysis of exosomes from umbilical cord mesenchymal stem cells and rat bone marrow stem cells
Authors Xu X, Yin F, Guo M, Gan G, Lin G, Wen C, Wang J, Song P, Wang J, Qi ZQ, Zhong CQ.
Journal name Proteomics
Publication year 2023
Sample Bone marrow mesenchymal stem cells
Sample name BMSC - Passage 7
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 491
MISEV standards
✔
EM
EV Biophysical techniques
✔
Cd9|Cd81|Cd63|Gapdh|Sdcbp|Lamp1|Aqp1|Rab5a|Icam1|Cd82|Itga2b|Tsg101|Lamp2|Rab35|Flot1|Flot2|Cd151|Rab5b|Tfrc|Uchl1
EV Enriched markers
✔
Canx
EV Negative markers
✔
NTA
EV Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 36408942    
Organism Rattus norvegicus
Experiment description Quantitative proteomic analysis of exosomes from umbilical cord mesenchymal stem cells and rat bone marrow stem cells
Authors Xu X, Yin F, Guo M, Gan G, Lin G, Wen C, Wang J, Song P, Wang J, Qi ZQ, Zhong CQ.
Journal name Proteomics
Publication year 2023
Sample Bone marrow mesenchymal stem cells
Sample name BMSC - Passage 8
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectometry
4
Experiment ID 492
MISEV standards
✔
EM
EV Biophysical techniques
✔
Cd9|Cd81|Cd63|Gapdh|Sdcbp|Lamp1|Aqp1|Rab5a|Icam1|Cd82|Itga2b|Tsg101|Lamp2|Rab35|Flot1|Flot2|Cd151|Rab5b|Tfrc|Uchl1
EV Enriched markers
✔
Canx
EV Negative markers
✔
NTA
EV Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 36408942    
Organism Rattus norvegicus
Experiment description Quantitative proteomic analysis of exosomes from umbilical cord mesenchymal stem cells and rat bone marrow stem cells
Authors Xu X, Yin F, Guo M, Gan G, Lin G, Wen C, Wang J, Song P, Wang J, Qi ZQ, Zhong CQ.
Journal name Proteomics
Publication year 2023
Sample Bone marrow mesenchymal stem cells
Sample name BMSC - Passage 9
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectometry
5
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
6
Experiment ID 488
MISEV standards
✔
EM
EV Biophysical techniques
✔
CD9|CD81|CD63|GAPDH|SDCBP|LAMP1|TFRC|UCHL1|FLOT2|LAMP2|FLOT1|ICAM1|RAB5B|CD151|RAB35|TSG101|RAB5A|CD82
EV Enriched markers
✔
CANX
EV Negative markers
✔
NTA
EV Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 36408942    
Organism Homo sapiens
Experiment description Quantitative proteomic analysis of exosomes from umbilical cord mesenchymal stem cells and rat bone marrow stem cells
Authors Xu X, Yin F, Guo M, Gan G, Lin G, Wen C, Wang J, Song P, Wang J, Qi ZQ, Zhong CQ.
Journal name Proteomics
Publication year 2023
Sample Mesenchymal stem cells
Sample name UCMSC
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectometry
 Protein-protein interactions for PPP1R8
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 DKFZP564O0523  
Two-hybrid Homo sapiens
2 LYN 4067
Invitro Homo sapiens
3 NME2 4831
Affinity Capture-MS Homo sapiens
4 PPP1CA 5499
Affinity Capture-MS Homo sapiens
Reconstituted Complex Homo sapiens
Reconstituted Complex Homo sapiens
5 STC2 8614
Two-hybrid Homo sapiens
6 SF3B1 23451
Two-hybrid Homo sapiens
Reconstituted Complex Homo sapiens
Affinity Capture-Western Homo sapiens
7 PRKACA 5566
Biochemical Activity Homo sapiens
8 PPP1CB 5500
Affinity Capture-MS Homo sapiens
9 CRMP1 1400
Two-hybrid Homo sapiens
10 HDAC2 3066
Reconstituted Complex Homo sapiens
Affinity Capture-Western Homo sapiens
11 C14orf1 11161
Two-hybrid Homo sapiens
12 GBP2  
Two-hybrid Homo sapiens
13 CDC5L 988
Invivo Homo sapiens
Invitro Homo sapiens
Two-hybrid Homo sapiens
Affinity Capture-MS Homo sapiens
14 EED  
Affinity Capture-Western Homo sapiens
Two-hybrid Homo sapiens
Affinity Capture-Western Homo sapiens
Reconstituted Complex Homo sapiens
15 SETDB1  
Two-hybrid Homo sapiens
View the network image/svg+xml
 Pathways in which PPP1R8 is involved
No pathways found





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