Gene description for PTPRM
Gene name protein tyrosine phosphatase, receptor type, M
Gene symbol PTPRM
Other names/aliases PTPRL1
R-PTP-MU
RPTPM
RPTPU
hR-PTPu
Species Homo sapiens
 Database cross references - PTPRM
ExoCarta ExoCarta_5797
Vesiclepedia VP_5797
Entrez Gene 5797
HGNC 9675
MIM 176888
UniProt P28827  
 PTPRM identified in sEVs 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    
Mesenchymal stem cells 36408942    
Retinal pigment epithelial cells 35333565    
Retinal pigment epithelial cells 35333565    
 Gene ontology annotations for PTPRM
Molecular Function
    protein tyrosine phosphatase activity GO:0004725 IBA
    protein tyrosine phosphatase activity GO:0004725 IDA
    non-membrane spanning protein tyrosine phosphatase activity GO:0004726 IEA
    transmembrane receptor protein tyrosine phosphatase activity GO:0005001 IDA
    protein binding GO:0005515 IPI
    phosphatase activity GO:0016791 IDA
    protein tyrosine phosphatase activity, metal-dependent GO:0030946 IEA
    identical protein binding GO:0042802 IPI
    cadherin binding GO:0045296 IDA
    histone H2AXY142 phosphatase activity GO:0140793 IEA
Biological Process
    negative regulation of endothelial cell proliferation GO:0001937 IMP
    chromatin remodeling GO:0006338 IEA
    protein dephosphorylation GO:0006470 IDA
    homophilic cell adhesion via plasma membrane adhesion molecules GO:0007156 IDA
    signal transduction GO:0007165 IBA
    signal transduction GO:0007165 IDA
    response to xenobiotic stimulus GO:0009410 IDA
    negative regulation of endothelial cell migration GO:0010596 IMP
    retina layer formation GO:0010842 IMP
    negative regulation of angiogenesis GO:0016525 IMP
    neuron projection development GO:0031175 IBA
    neuron projection development GO:0031175 IDA
    neuron projection development GO:0031175 IMP
    retinal ganglion cell axon guidance GO:0031290 IDA
Subcellular Localization
    cytoplasm GO:0005737 IDA
    plasma membrane GO:0005886 IDA
    plasma membrane GO:0005886 NAS
    cell-cell junction GO:0005911 IDA
    cell-cell junction GO:0005911 IDA
    adherens junction GO:0005912 IDA
    lamellipodium GO:0030027 IDA
    perinuclear region of cytoplasm GO:0048471 IDA
 Experiment description of studies that identified PTPRM in sEVs
1
Experiment ID 489
MISEV standards
✔
EM
Biophysical techniques
✔
Cd9|Cd81|Cd63|Gapdh|Sdcbp|Lamp1|Aqp1|Rab5a|Icam1|Cd82|Itga2b|Tsg101|Lamp2|Rab35|Flot1|Flot2|Cd151|Rab5b|Tfrc|Uchl1
Enriched markers
✔
Canx
Negative markers
✔
NTA
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
Biophysical techniques
✔
Cd9|Cd81|Cd63|Gapdh|Sdcbp|Lamp1|Aqp1|Rab5a|Icam1|Cd82|Itga2b|Tsg101|Lamp2|Rab35|Flot1|Flot2|Cd151|Rab5b|Tfrc|Uchl1
Enriched markers
✔
Canx
Negative markers
✔
NTA
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
Biophysical techniques
✔
Cd9|Cd81|Cd63|Gapdh|Sdcbp|Lamp1|Aqp1|Rab5a|Icam1|Cd82|Itga2b|Tsg101|Lamp2|Rab35|Flot1|Flot2|Cd151|Rab5b|Tfrc|Uchl1
Enriched markers
✔
Canx
Negative markers
✔
NTA
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
Biophysical techniques
✔
Cd9|Cd81|Cd63|Gapdh|Sdcbp|Lamp1|Aqp1|Rab5a|Icam1|Cd82|Itga2b|Tsg101|Lamp2|Rab35|Flot1|Flot2|Cd151|Rab5b|Tfrc|Uchl1
Enriched markers
✔
Canx
Negative markers
✔
NTA
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 488
MISEV standards
✔
EM
Biophysical techniques
✔
CD9|CD81|CD63|GAPDH|SDCBP|LAMP1|TFRC|UCHL1|FLOT2|LAMP2|FLOT1|ICAM1|RAB5B|CD151|RAB35|TSG101|RAB5A|CD82
Enriched markers
✔
CANX
Negative markers
✔
NTA
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
6
Experiment ID 834
MISEV standards
✔
EM
Biophysical techniques
✔
LAMP2|CD63|FLOT1|ITGA2B|ICAM1|CD9|CD151|TFRC|RAB5A|GAPDH|AQP1|TSG101
Enriched markers
✔
CANX
Negative markers
✔
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 35333565    
Organism Homo sapiens
Experiment description LAMP2A regulates the loading of proteins into exosomes
Authors "Ferreira JV, da Rosa Soares A, Ramalho J, Máximo Carvalho C, Cardoso MH, Pintado P, Carvalho AS, Beck HC, Matthiesen R, Zuzarte M, Girão H, van Niel G, Pereira P"
Journal name Sci Adv
Publication year 2022
Sample Retinal pigment epithelial cells
Sample name ARPE-19
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
7
Experiment ID 835
MISEV standards
✔
EM
Biophysical techniques
✔
CD63|FLOT1|ITGA2B|ICAM1|CD9|CD151|TFRC|RAB5A|GAPDH|AQP1|TSG101
Enriched markers
✔
CANX
Negative markers
✔
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 35333565    
Organism Homo sapiens
Experiment description LAMP2A regulates the loading of proteins into exosomes
Authors "Ferreira JV, da Rosa Soares A, Ramalho J, Máximo Carvalho C, Cardoso MH, Pintado P, Carvalho AS, Beck HC, Matthiesen R, Zuzarte M, Girão H, van Niel G, Pereira P"
Journal name Sci Adv
Publication year 2022
Sample Retinal pigment epithelial cells
Sample name ARPE-19
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
 Protein-protein interactions for PTPRM
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 EPHA2 1969
Proximity Label-MS Homo sapiens
2 MCAM 4162
Proximity Label-MS Homo sapiens
3 GNB2L1 10399
Affinity Capture-Western Homo sapiens
Two-hybrid Homo sapiens
4 CDC42BPA 8476
Proximity Label-MS Homo sapiens
5 DTNBP1  
Affinity Capture-MS Homo sapiens
6 Ptpre  
Affinity Capture-Western Mus musculus
7 CNKSR1  
Reconstituted Complex Homo sapiens
8 Ptprs 19280
Affinity Capture-Western Mus musculus
9 NHSL1  
Proximity Label-MS Homo sapiens
10 SELENBP1 8991
Affinity Capture-MS Homo sapiens
11 LMTK2 22853
Proximity Label-MS Homo sapiens
12 EHD4 30844
Proximity Label-MS Homo sapiens
13 Ptpra 19262
Affinity Capture-Western Mus musculus
14 CTNND1 1500
Affinity Capture-Western Homo sapiens
Biochemical Activity Homo sapiens
15 BCCIP 56647
Reconstituted Complex Homo sapiens
Two-hybrid Homo sapiens
Biochemical Activity Homo sapiens
Reconstituted Complex Homo sapiens
View the network image/svg+xml
 Pathways in which PTPRM is involved
No pathways found





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