Gene description for ABCB4
Gene name ATP-binding cassette, sub-family B (MDR/TAP), member 4
Gene symbol ABCB4
Other names/aliases ABC21
GBD1
ICP3
MDR2
MDR2/3
MDR3
PFIC-3
PGY3
Species Homo sapiens
 Database cross references - ABCB4
ExoCarta ExoCarta_5244
Vesiclepedia VP_5244
Entrez Gene 5244
HGNC 45
MIM 171060
UniProt P21439  
 ABCB4 identified in sEVs derived from the following tissue/cell type
Neuroblastoma cells 25944692    
Platelets 25332113    
Platelets 25332113    
Platelets 25332113    
Serum 25844599    
Serum 25844599    
Serum 25844599    
Serum 25844599    
Serum 25844599    
Serum 25844599    
Urine 21595033    
Urine 21595033    
Urine 21595033    
 Gene ontology annotations for ABCB4
Molecular Function
    protein binding GO:0005515 IPI
    ATP binding GO:0005524 IEA
    phospholipid transporter activity GO:0005548 TAS
    ATP hydrolysis activity GO:0016887 IEA
    ATPase-coupled transmembrane transporter activity GO:0042626 IBA
    ATPase-coupled transmembrane transporter activity GO:0042626 IDA
    ATPase-coupled transmembrane transporter activity GO:0042626 IMP
    phosphatidylcholine floppase activity GO:0090554 IBA
    phosphatidylcholine floppase activity GO:0090554 IDA
    phosphatidylcholine floppase activity GO:0090554 IMP
    ceramide floppase activity GO:0099038 IDA
    ABC-type transporter activity GO:0140359 IEA
Biological Process
    lipid metabolic process GO:0006629 TAS
    positive regulation of cholesterol transport GO:0032376 IDA
    positive regulation of cholesterol transport GO:0032376 IMP
    bile acid secretion GO:0032782 ISS
    phospholipid translocation GO:0045332 IBA
    phospholipid translocation GO:0045332 IDA
    phospholipid translocation GO:0045332 IMP
    transmembrane transport GO:0055085 TAS
    lipid homeostasis GO:0055088 IDA
    positive regulation of phospholipid translocation GO:0061092 IDA
    ceramide translocation GO:0099040 IDA
    response to fenofibrate GO:1901557 ISS
    cellular response to bile acid GO:1903413 IDA
    positive regulation of phospholipid transport GO:2001140 IDA
    positive regulation of phospholipid transport GO:2001140 IMP
Subcellular Localization
    nucleoplasm GO:0005654 IDA
    cytoplasm GO:0005737 IDA
    cytosol GO:0005829 IDA
    plasma membrane GO:0005886 IDA
    plasma membrane GO:0005886 TAS
    focal adhesion GO:0005925 IDA
    membrane GO:0016020 TAS
    apical plasma membrane GO:0016324 IBA
    apical plasma membrane GO:0016324 IDA
    clathrin-coated vesicle GO:0030136 IEA
    membrane raft GO:0045121 IEA
    intercellular canaliculus GO:0046581 IEA
    extracellular exosome GO:0070062 HDA
 Experiment description of studies that identified ABCB4 in sEVs
1
Experiment ID 224
MISEV standards
✔
EM|AFM
Biophysical techniques
✔
Alix|TSG101|CD63|CD81
Enriched markers
✔
GOLGA2
Negative markers
✘ 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 231
MISEV standards
✘ Biophysical techniques
✔
Alix|CD63|CD9
Enriched markers
✘ Negative markers
✔
NTA
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25332113    
Organism Homo sapiens
Experiment description Lipidomic and proteomic characterization of platelet extracellular vesicle subfractions from senescent platelets
Authors "Pienimaeki-Roemer A, Kuhlmann K, Bottcher A, Konovalova T, Black A, Orso E, Liebisch G, Ahrens M, Eisenacher M, Meyer HE, Schmitz G."
Journal name Transfusion
Publication year 2015
Sample Platelets
Sample name PL-Exs - Rep 1
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Optiprep density gradient
Flotation density 1.12-1.15 g/mL
Molecules identified in the study Protein
Lipids
Methods used in the study Western blotting
Mass spectrometry
3
Experiment ID 232
MISEV standards
✘ Biophysical techniques
✘ Enriched markers
✘ Negative markers
✘ Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25332113    
Organism Homo sapiens
Experiment description Lipidomic and proteomic characterization of platelet extracellular vesicle subfractions from senescent platelets
Authors "Pienimaeki-Roemer A, Kuhlmann K, Bottcher A, Konovalova T, Black A, Orso E, Liebisch G, Ahrens M, Eisenacher M, Meyer HE, Schmitz G."
Journal name Transfusion
Publication year 2015
Sample Platelets
Sample name PL-Exs - Rep 2
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Optiprep density gradient
Flotation density 1.12-1.15 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
4
Experiment ID 233
MISEV standards
✘ Biophysical techniques
✘ Enriched markers
✘ Negative markers
✘ Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25332113    
Organism Homo sapiens
Experiment description Lipidomic and proteomic characterization of platelet extracellular vesicle subfractions from senescent platelets
Authors "Pienimaeki-Roemer A, Kuhlmann K, Bottcher A, Konovalova T, Black A, Orso E, Liebisch G, Ahrens M, Eisenacher M, Meyer HE, Schmitz G."
Journal name Transfusion
Publication year 2015
Sample Platelets
Sample name PL-Exs - Rep 3
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Optiprep density gradient
Flotation density 1.12-1.15 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
5
Experiment ID 276
MISEV standards
✘ Biophysical techniques
✔
Alix|RAB5A|CD9
Enriched markers
✘ Negative markers
✔
NTA
Particle analysis
Identified molecule protein
Identification method Western blotting
PubMed ID 25844599    
Organism Homo sapiens
Experiment description Molecular profiling of prostate cancer derived exosomes may reveal a predictive signature for response to docetaxel.
Authors "Kharaziha P, Chioureas D, Rutishauser D, Baltatzis G, Lennartsson L, Fonseca P, Azimi A, Hultenby K, Zubarev R, Ullen A, Yachnin J, Nilsson S, Panaretakis T."
Journal name Oncotarget
Publication year 2015
Sample Serum
Sample name Serum - Docetaxel resistant castration resistant prostate cancer patient 1
Isolation/purification methods Filtration
Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
6
Experiment ID 277
MISEV standards
✘ Biophysical techniques
✔
Alix|RAB5A|CD9
Enriched markers
✘ Negative markers
✔
NTA
Particle analysis
Identified molecule protein
Identification method Western blotting
PubMed ID 25844599    
Organism Homo sapiens
Experiment description Molecular profiling of prostate cancer derived exosomes may reveal a predictive signature for response to docetaxel.
Authors "Kharaziha P, Chioureas D, Rutishauser D, Baltatzis G, Lennartsson L, Fonseca P, Azimi A, Hultenby K, Zubarev R, Ullen A, Yachnin J, Nilsson S, Panaretakis T."
Journal name Oncotarget
Publication year 2015
Sample Serum
Sample name Serum - Docetaxel resistant castration resistant prostate cancer patient 2
Isolation/purification methods Filtration
Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
7
Experiment ID 278
MISEV standards
✘ Biophysical techniques
✔
Alix|RAB5A|CD9
Enriched markers
✘ Negative markers
✔
NTA
Particle analysis
Identified molecule protein
Identification method Western blotting
PubMed ID 25844599    
Organism Homo sapiens
Experiment description Molecular profiling of prostate cancer derived exosomes may reveal a predictive signature for response to docetaxel.
Authors "Kharaziha P, Chioureas D, Rutishauser D, Baltatzis G, Lennartsson L, Fonseca P, Azimi A, Hultenby K, Zubarev R, Ullen A, Yachnin J, Nilsson S, Panaretakis T."
Journal name Oncotarget
Publication year 2015
Sample Serum
Sample name Serum - Docetaxel resistant castration resistant prostate cancer patient 3
Isolation/purification methods Filtration
Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
8
Experiment ID 279
MISEV standards
✘ Biophysical techniques
✔
Alix|RAB5A
Enriched markers
✘ Negative markers
✔
NTA
Particle analysis
Identified molecule protein
Identification method Western blotting
PubMed ID 25844599    
Organism Homo sapiens
Experiment description Molecular profiling of prostate cancer derived exosomes may reveal a predictive signature for response to docetaxel.
Authors "Kharaziha P, Chioureas D, Rutishauser D, Baltatzis G, Lennartsson L, Fonseca P, Azimi A, Hultenby K, Zubarev R, Ullen A, Yachnin J, Nilsson S, Panaretakis T."
Journal name Oncotarget
Publication year 2015
Sample Serum
Sample name Serum - Docetaxel sensitive castration resistant prostate cancer patient 4
Isolation/purification methods Filtration
Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
9
Experiment ID 280
MISEV standards
✘ Biophysical techniques
✔
Alix|RAB5A
Enriched markers
✘ Negative markers
✔
NTA
Particle analysis
Identified molecule protein
Identification method Western blotting
PubMed ID 25844599    
Organism Homo sapiens
Experiment description Molecular profiling of prostate cancer derived exosomes may reveal a predictive signature for response to docetaxel.
Authors "Kharaziha P, Chioureas D, Rutishauser D, Baltatzis G, Lennartsson L, Fonseca P, Azimi A, Hultenby K, Zubarev R, Ullen A, Yachnin J, Nilsson S, Panaretakis T."
Journal name Oncotarget
Publication year 2015
Sample Serum
Sample name Serum - Docetaxel sensitive castration resistant prostate cancer patient 5
Isolation/purification methods Filtration
Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
10
Experiment ID 281
MISEV standards
✘ Biophysical techniques
✔
Alix|RAB5A|CD9
Enriched markers
✘ Negative markers
✔
NTA
Particle analysis
Identified molecule protein
Identification method Western blotting
PubMed ID 25844599    
Organism Homo sapiens
Experiment description Molecular profiling of prostate cancer derived exosomes may reveal a predictive signature for response to docetaxel.
Authors "Kharaziha P, Chioureas D, Rutishauser D, Baltatzis G, Lennartsson L, Fonseca P, Azimi A, Hultenby K, Zubarev R, Ullen A, Yachnin J, Nilsson S, Panaretakis T."
Journal name Oncotarget
Publication year 2015
Sample Serum
Sample name Serum - Docetaxel sensitive castration resistant prostate cancer patient 6
Isolation/purification methods Filtration
Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
11
Experiment ID 193
MISEV standards
✔
EM
Biophysical techniques
✔
CD63|CD9
Enriched markers
✔
PHB
Negative markers
✘ Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 21595033    
Organism Homo sapiens
Experiment description Proteomic analysis of urinary exosomes from patients of early IgA nephropathy and thin basement membrane nephropathy.
Authors "Moon PG, Lee JE, You S, Kim TK, Cho JH, Kim IS, Kwon TH, Kim CD, Park SH, Hwang D, Kim YL, Baek MC."
Journal name Proteomics
Publication year 2011
Sample Urine
Sample name Urine - Normal
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
12
Experiment ID 194
MISEV standards
✘ Biophysical techniques
✘ Enriched markers
✘ Negative markers
✘ Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 21595033    
Organism Homo sapiens
Experiment description Proteomic analysis of urinary exosomes from patients of early IgA nephropathy and thin basement membrane nephropathy.
Authors "Moon PG, Lee JE, You S, Kim TK, Cho JH, Kim IS, Kwon TH, Kim CD, Park SH, Hwang D, Kim YL, Baek MC."
Journal name Proteomics
Publication year 2011
Sample Urine
Sample name Urine - Patients of basement membrane nephropathy
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
13
Experiment ID 195
MISEV standards
✘ Biophysical techniques
✘ Enriched markers
✘ Negative markers
✘ Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 21595033    
Organism Homo sapiens
Experiment description Proteomic analysis of urinary exosomes from patients of early IgA nephropathy and thin basement membrane nephropathy.
Authors "Moon PG, Lee JE, You S, Kim TK, Cho JH, Kim IS, Kwon TH, Kim CD, Park SH, Hwang D, Kim YL, Baek MC."
Journal name Proteomics
Publication year 2011
Sample Urine
Sample name Urine - Patients of early IgA nephropathy
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
 Protein-protein interactions for ABCB4
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 TESK1 7016
Two-hybrid Homo sapiens
2 IFIT5 24138
Cross-Linking-MS (XL-MS) Homo sapiens
3 ABCB1 5243
Cross-Linking-MS (XL-MS) Homo sapiens
4 RPS17 6218
Cross-Linking-MS (XL-MS) Homo sapiens
5 PIGY 84992
Two-hybrid Homo sapiens
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