Gene description for ME1
Gene name malic enzyme 1, NADP(+)-dependent, cytosolic
Gene symbol ME1
Other names/aliases HUMNDME
MES
Species Homo sapiens
 Database cross references - ME1
ExoCarta ExoCarta_4199
Vesiclepedia VP_4199
Entrez Gene 4199
HGNC 6983
MIM 154250
UniProt P48163  
 ME1 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    
Colorectal cancer cells 34887515    
Gastric cancer cells 33991177    
Gastric cancer cells 33991177    
Gastric cancer cells 33991177    
Mesenchymal stem cells Unpublished / Not applicable
Ovarian cancer cells 23333927    
Ovarian cancer cells 23333927    
 Gene ontology annotations for ME1
Molecular Function
    magnesium ion binding GO:0000287 IDA
    malic enzyme activity GO:0004470 IDA
    malic enzyme activity GO:0004470 IMP
    malate dehydrogenase (decarboxylating) (NADP+) activity GO:0004473 IBA
    malate dehydrogenase (decarboxylating) (NADP+) activity GO:0004473 IDA
    malate dehydrogenase (decarboxylating) (NADP+) activity GO:0004473 ISS
    protein binding GO:0005515 IPI
    oxaloacetate decarboxylase activity GO:0008948 IDA
    electron transfer activity GO:0009055 TAS
    manganese ion binding GO:0030145 IDA
    identical protein binding GO:0042802 IPI
    ADP binding GO:0043531 TAS
    NADP binding GO:0050661 TAS
    NAD binding GO:0051287 TAS
Biological Process
    carbohydrate metabolic process GO:0005975 NAS
    pyruvate metabolic process GO:0006090 IBA
    malate metabolic process GO:0006108 IBA
    malate metabolic process GO:0006108 IDA
    NADH metabolic process GO:0006734 IDA
    NADP metabolic process GO:0006739 IDA
    nucleotide biosynthetic process GO:0009165 TAS
    response to hormone GO:0009725 ISS
    response to carbohydrate GO:0009743 TAS
    protein homotetramerization GO:0051289 IDA
    regulation of NADP metabolic process GO:1902031 IMP
Subcellular Localization
    cytoplasm GO:0005737 IDA
    mitochondrion GO:0005739 IBA
    cytosol GO:0005829 ISS
    cytosol GO:0005829 TAS
 Experiment description of studies that identified ME1 in exosomes
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 1203
MISEV standards
EM
Biophysical techniques
SDCBP|FLOT1|CD9|CD81|CD63|EPCAM|GAPDH|LAMP1|TFRC|CD151|CD82|LAMP2|RAB35|TSG101|FLOT2|RAB5B|ICAM1|RAB5A
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 34887515    
Organism Homo sapiens
Experiment description Supermeres are functional extracellular nanoparticles replete with disease biomarkers and therapeutic targets
Authors "Zhang Q, Jeppesen DK, Higginbotham JN, Graves-Deal R, Trinh VQ, Ramirez MA, Sohn Y, Neininger AC, Taneja N, McKinley ET, Niitsu H, Cao Z, Evans R, Glass SE, Ray KC, Fissell WH, Hill S, Rose KL, Huh WJ, Washington MK, Ayers GD, Burnette DT, Sharma S, Rome LH, Franklin JL, Lee YA, Liu Q, Coffey RJ."
Journal name Nat Cell Biol
Publication year 2021
Sample Colorectal cancer cells
Sample name DiFi
Isolation/purification methods Differential centrifugation
Filtration
Centrifugal ultrafiltration
Ultracentrifugation
OptiPrep density gradient centrifugation
Flotation density -
Molecules identified in the study Protein
miRNA
Methods used in the study Western blotting
Mass spectrometry
RNA sequencing
6
Experiment ID 363
MISEV standards
Biophysical techniques
TSG101|GAPDH|AQP1|CD151|CD81|CD82|CD9|EPCAM|FLOT1|FLOT2|ICAM1|ITGA2B|LAMP2|RAB35|RAB5A|RAB5B|SDCBP|TFRC|UCHL1
Enriched markers
DCLK1
Negative markers
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 33991177    
Organism Homo sapiens
Experiment description Cancer stem cell marker DCLK1 reprograms small extracellular vesicles toward migratory phenotype in gastric cancer cells
Authors "Carli ALE, Afshar-Sterle S, Rai A, Fang H, O'Keefe R, Tse J, Ferguson FM, Gray NS, Ernst M, Greening DW, Buchert M."
Journal name Proteomics
Publication year 2021
Sample Gastric cancer cells
Sample name MKN1 - 100K pellet
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
7
Experiment ID 364
MISEV standards
Biophysical techniques
TSG101|GAPDH|AQP1|CD151|CD81|CD82|CD9|EPCAM|FLOT1|FLOT2|ICAM1|ITGA2B|LAMP2|RAB35|RAB5A|RAB5B|SDCBP|TFRC|UCHL1
Enriched markers
DCLK1
Negative markers
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 33991177    
Organism Homo sapiens
Experiment description Cancer stem cell marker DCLK1 reprograms small extracellular vesicles toward migratory phenotype in gastric cancer cells
Authors "Carli ALE, Afshar-Sterle S, Rai A, Fang H, O'Keefe R, Tse J, Ferguson FM, Gray NS, Ernst M, Greening DW, Buchert M."
Journal name Proteomics
Publication year 2021
Sample Gastric cancer cells
Sample name MKN1 - 100K pellet
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
8
Experiment ID 365
MISEV standards
Biophysical techniques
TSG101|GAPDH|AQP1|CD151|CD81|CD82|CD9|EPCAM|FLOT1|FLOT2|ICAM1|ITGA2B|LAMP2|RAB35|RAB5A|RAB5B|SDCBP|TFRC|UCHL1
Enriched markers
DCLK1
Negative markers
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 33991177    
Organism Homo sapiens
Experiment description Cancer stem cell marker DCLK1 reprograms small extracellular vesicles toward migratory phenotype in gastric cancer cells
Authors "Carli ALE, Afshar-Sterle S, Rai A, Fang H, O'Keefe R, Tse J, Ferguson FM, Gray NS, Ernst M, Greening DW, Buchert M."
Journal name Proteomics
Publication year 2021
Sample Gastric cancer cells
Sample name MKN1 - 100K pellet
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
9
Experiment ID 126
MISEV standards
Biophysical techniques
GAPDH
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry [LTQ-FT Ultra]
PubMed ID Unpublished / Not applicable
Organism Homo sapiens
Experiment description Mesenchymal Stem Cell Exosomes: The Future MSC-based Therapy?
Authors "Ruenn Chai Lai, Ronne Wee Yeh Yeo, Soon Sim Tan, Bin Zhang, Yijun Yin, Newman Siu Kwan Sze, Andre Choo, and Sai Kiang Lim"
Journal name Mesenchymal Stem Cell Therapy
Publication year 2011
Sample Mesenchymal stem cells
Sample name huES9.E1
Isolation/purification methods HPLC
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Antobody array
Mass spectrometry
10
Experiment ID 211
MISEV standards
EM
Biophysical techniques
TSG101|Alix|EpCAM|TFRC
Enriched markers
cytochrome c|GOLGA2
Negative markers
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
11
Experiment ID 212
MISEV standards
CEM
Biophysical techniques
TSG101|Alix|EpCAM|TFRC
Enriched markers
Cytochrome C|GOLGA2
Negative markers
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
 Protein-protein interactions for ME1
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 GTF2A1 2957
Co-fractionation Homo sapiens
2 RING1 6015
Affinity Capture-Western Homo sapiens
Affinity Capture-Western Homo sapiens
3 CTTN 2017
Co-fractionation Homo sapiens
4 OAZ3  
Affinity Capture-MS Homo sapiens
5 PREP 5550
Co-fractionation Homo sapiens
6 ZSCAN12  
Affinity Capture-MS Homo sapiens
7 FCF1  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
8 PKM 5315
Co-fractionation Homo sapiens
9 VAC14 55697
Affinity Capture-MS Homo sapiens
10 MAPK1 5594
Reconstituted Complex Homo sapiens
Affinity Capture-Western Homo sapiens
Reconstituted Complex Homo sapiens
11 GARS 2617
Co-fractionation Homo sapiens
12 RPA2 6118
Proximity Label-MS Homo sapiens
13 CTNNB1 1499
Affinity Capture-MS Homo sapiens
14 CDK15  
Affinity Capture-MS Homo sapiens
15 BOP1 23246
Co-fractionation Homo sapiens
16 GPX4 2879
Co-fractionation Homo sapiens
17 TOM1 10043
Co-fractionation Homo sapiens
18 CUL3 8452
Co-fractionation Homo sapiens
19 NPPA  
Affinity Capture-MS Homo sapiens
20 USP21  
Affinity Capture-MS Homo sapiens
21 ST6GALNAC6 30815
Affinity Capture-MS Homo sapiens
22 VTA1 51534
Co-fractionation Homo sapiens
23 OTUD7B 56957
Affinity Capture-MS Homo sapiens
24 FTH1 2495
Affinity Capture-MS Homo sapiens
25 RPUSD2  
Co-fractionation Homo sapiens
26 TBCD 6904
Co-fractionation Homo sapiens
27 STX17 55014
Affinity Capture-MS Homo sapiens
28 PTPN7 5778
Affinity Capture-MS Homo sapiens
29 UGDH 7358
Co-fractionation Homo sapiens
30 PARK2  
Affinity Capture-MS Homo sapiens
31 RPA3 6119
Proximity Label-MS Homo sapiens
32 VCP 7415
Affinity Capture-MS Homo sapiens
33 OGT 8473
Reconstituted Complex Homo sapiens
34 ARPP19 10776
Co-fractionation Homo sapiens
35 GORASP2 26003
Co-fractionation Homo sapiens
36 GSTK1 373156
Co-fractionation Homo sapiens
37 USP19 10869
Affinity Capture-Western Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-Western Homo sapiens
38 LCMT1 51451
Co-fractionation Homo sapiens
39 NMI  
Co-fractionation Homo sapiens
40 AR 367
Affinity Capture-MS Homo sapiens
41 NFYA 4800
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
42 FCRL5  
Affinity Capture-MS Homo sapiens
43 EFNB2 1948
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
44 CST3 1471
Affinity Capture-MS Homo sapiens
45 LYPD4  
Affinity Capture-MS Homo sapiens
46 STIP1 10963
Co-fractionation Homo sapiens
47 RIPPLY3  
Affinity Capture-MS Homo sapiens
48 MSN 4478
Co-fractionation Homo sapiens
49 OR2A4 79541
Affinity Capture-MS Homo sapiens
50 PPWD1 23398
Co-fractionation Homo sapiens
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