Gene description for Apoe
Gene name apolipoprotein E
Gene symbol Apoe
Other names/aliases AI255918
Apo-E
Species Mus musculus
 Database cross references - Apoe
ExoCarta ExoCarta_11816
Vesiclepedia VP_11816
Entrez Gene 11816
UniProt P08226  
 Apoe identified in exosomes derived from the following tissue/cell type
Mast cells 17486113    
Oligodendrocytes 21136642    
 Gene ontology annotations for Apoe
Molecular Function
    amyloid-beta binding GO:0001540 ISO
    amyloid-beta binding GO:0001540 ISS
    signaling receptor binding GO:0005102 ISO
    lipid transporter activity GO:0005319 ISO
    protein binding GO:0005515 IPI
    phospholipid binding GO:0005543 IBA
    phospholipid binding GO:0005543 IEA
    phospholipid binding GO:0005543 ISO
    heparin binding GO:0008201 ISO
    heparin binding GO:0008201 ISS
    lipid binding GO:0008289 ISO
    antioxidant activity GO:0016209 IEA
    antioxidant activity GO:0016209 ISO
    enzyme binding GO:0019899 IEA
    enzyme binding GO:0019899 ISO
    identical protein binding GO:0042802 ISO
    identical protein binding GO:0042802 ISS
    protein homodimerization activity GO:0042803 IEA
    protein homodimerization activity GO:0042803 ISO
    heparan sulfate proteoglycan binding GO:0043395 IDA
    heparan sulfate proteoglycan binding GO:0043395 ISO
    protein-containing complex binding GO:0044877 ISO
    hydroxyapatite binding GO:0046848 ISO
    metal chelating activity GO:0046911 IEA
    metal chelating activity GO:0046911 ISO
    protein dimerization activity GO:0046983 ISO
    receptor ligand activity GO:0048018 IEA
    tau protein binding GO:0048156 IEA
    tau protein binding GO:0048156 ISO
    low-density lipoprotein particle receptor binding GO:0050750 ISO
    low-density lipoprotein particle receptor binding GO:0050750 ISS
    phosphatidylcholine-sterol O-acyltransferase activator activity GO:0060228 IBA
    phosphatidylcholine-sterol O-acyltransferase activator activity GO:0060228 IMP
    phosphatidylcholine-sterol O-acyltransferase activator activity GO:0060228 ISO
    very-low-density lipoprotein particle receptor binding GO:0070326 IEA
    very-low-density lipoprotein particle receptor binding GO:0070326 ISO
    lipoprotein particle binding GO:0071813 IDA
    cholesterol transfer activity GO:0120020 IBA
    cholesterol transfer activity GO:0120020 IDA
Biological Process
    negative regulation of endothelial cell proliferation GO:0001937 IEA
    negative regulation of endothelial cell proliferation GO:0001937 ISO
    response to dietary excess GO:0002021 IMP
    lipid metabolic process GO:0006629 IGI
    triglyceride metabolic process GO:0006641 IEA
    triglyceride metabolic process GO:0006641 ISO
    cholesterol catabolic process GO:0006707 IMP
    lipid transport GO:0006869 ISO
    intracellular calcium ion homeostasis GO:0006874 IDA
    receptor-mediated endocytosis GO:0006898 IEA
    receptor-mediated endocytosis GO:0006898 ISO
    response to oxidative stress GO:0006979 IMP
    G protein-coupled receptor signaling pathway GO:0007186 IEA
    G protein-coupled receptor signaling pathway GO:0007186 ISO
    long-term memory GO:0007616 IEA
    long-term memory GO:0007616 ISO
    protein localization GO:0008104 IMP
    cholesterol metabolic process GO:0008203 IBA
    cholesterol metabolic process GO:0008203 IMP
    cholesterol metabolic process GO:0008203 ISO
    gene expression GO:0010467 IGI
    regulation of gene expression GO:0010468 IMP
    negative regulation of platelet activation GO:0010544 IEA
    negative regulation of platelet activation GO:0010544 ISO
    negative regulation of endothelial cell migration GO:0010596 ISO
    negative regulation of gene expression GO:0010629 IMP
    positive regulation of cholesterol efflux GO:0010875 IMP
    positive regulation of cholesterol efflux GO:0010875 ISO
    lipid transport involved in lipid storage GO:0010877 IMP
    positive regulation of neuron projection development GO:0010976 IMP
    positive regulation of neuron projection development GO:0010976 ISO
    negative regulation of neuron projection development GO:0010977 IEA
    negative regulation of neuron projection development GO:0010977 ISO
    long-chain fatty acid transport GO:0015909 IEA
    long-chain fatty acid transport GO:0015909 ISO
    protein import GO:0017038 ISO
    virion assembly GO:0019068 IEA
    virion assembly GO:0019068 ISO
    negative regulation of blood coagulation GO:0030195 ISO
    axon regeneration GO:0031103 IGI
    neuron projection development GO:0031175 ISO
    melanosome organization GO:0032438 IMP
    melanosome organization GO:0032438 ISO
    regulation of Cdc42 protein signal transduction GO:0032489 IEA
    regulation of Cdc42 protein signal transduction GO:0032489 ISO
    positive regulation of low-density lipoprotein particle receptor catabolic process GO:0032805 IEA
    positive regulation of low-density lipoprotein particle receptor catabolic process GO:0032805 ISO
    cholesterol efflux GO:0033344 IBA
    cholesterol efflux GO:0033344 IDA
    cholesterol efflux GO:0033344 IMP
    cholesterol efflux GO:0033344 ISO
    phospholipid efflux GO:0033700 IBA
    phospholipid efflux GO:0033700 IEA
    phospholipid efflux GO:0033700 ISO
    very-low-density lipoprotein particle remodeling GO:0034372 IMP
    very-low-density lipoprotein particle remodeling GO:0034372 ISO
    low-density lipoprotein particle remodeling GO:0034374 IMP
    high-density lipoprotein particle remodeling GO:0034375 IEA
    high-density lipoprotein particle remodeling GO:0034375 ISO
    high-density lipoprotein particle assembly GO:0034380 ISO
    high-density lipoprotein particle assembly GO:0034380 ISS
    chylomicron remnant clearance GO:0034382 ISO
    chylomicron remnant clearance GO:0034382 ISS
    high-density lipoprotein particle clearance GO:0034384 IEA
    high-density lipoprotein particle clearance GO:0034384 ISO
    very-low-density lipoprotein particle clearance GO:0034447 ISO
    very-low-density lipoprotein particle clearance GO:0034447 ISS
    locomotory exploration behavior GO:0035641 IEA
    locomotory exploration behavior GO:0035641 ISO
    nitric oxide-cGMP-mediated signaling GO:0038060 IEA
    nitric oxide-cGMP-mediated signaling GO:0038060 ISO
    lipoprotein metabolic process GO:0042157 IGI
    lipoprotein metabolic process GO:0042157 IMP
    lipoprotein metabolic process GO:0042157 ISO
    lipoprotein biosynthetic process GO:0042158 IGI
    lipoprotein biosynthetic process GO:0042158 ISO
    lipoprotein biosynthetic process GO:0042158 ISS
    lipoprotein catabolic process GO:0042159 IMP
    vasodilation GO:0042311 IMP
    cholesterol homeostasis GO:0042632 IGI
    cholesterol homeostasis GO:0042632 IMP
    cholesterol homeostasis GO:0042632 IMP
    cholesterol homeostasis GO:0042632 ISO
    regulation of apoptotic process GO:0042981 IMP
    amyloid precursor protein metabolic process GO:0042982 IEA
    amyloid precursor protein metabolic process GO:0042982 ISO
    regulation of protein-containing complex assembly GO:0043254 IEA
    regulation of protein-containing complex assembly GO:0043254 ISO
    negative regulation of MAP kinase activity GO:0043407 ISO
    negative regulation of neuron apoptotic process GO:0043524 ISO
    negative regulation of blood vessel endothelial cell migration GO:0043537 IEA
    negative regulation of blood vessel endothelial cell migration GO:0043537 ISO
    reverse cholesterol transport GO:0043691 IEA
    reverse cholesterol transport GO:0043691 ISO
    positive regulation by host of viral process GO:0044794 IEA
    positive regulation by host of viral process GO:0044794 ISO
    regulation of innate immune response GO:0045088 IMP
    positive regulation of nitric oxide biosynthetic process GO:0045429 IEA
    positive regulation of nitric oxide biosynthetic process GO:0045429 ISO
    negative regulation of cholesterol biosynthetic process GO:0045541 IEA
    negative regulation of cholesterol biosynthetic process GO:0045541 ISO
    positive regulation of axon extension GO:0045773 ISO
    positive regulation of endocytosis GO:0045807 IEA
    positive regulation of endocytosis GO:0045807 ISO
    positive regulation of DNA-templated transcription GO:0045893 IEA
    positive regulation of DNA-templated transcription GO:0045893 ISO
    positive regulation of lipid biosynthetic process GO:0046889 IEA
    positive regulation of lipid biosynthetic process GO:0046889 ISO
    negative regulation of smooth muscle cell proliferation GO:0048662 IGI
    artery morphogenesis GO:0048844 IGI
    negative regulation of protein secretion GO:0050709 IEA
    negative regulation of protein secretion GO:0050709 ISO
    negative regulation of inflammatory response GO:0050728 IGI
    regulation of synapse organization GO:0050807 IDA
    regulation of synapse organization GO:0050807 IMP
    positive regulation of membrane protein ectodomain proteolysis GO:0051044 IEA
    positive regulation of membrane protein ectodomain proteolysis GO:0051044 ISO
    negative regulation of lipid biosynthetic process GO:0051055 ISO
    regulation of protein metabolic process GO:0051246 ISO
    negative regulation of protein metabolic process GO:0051248 ISO
    maintenance of location in cell GO:0051651 IMP
    lipid homeostasis GO:0055088 IMP
    fatty acid homeostasis GO:0055089 IEA
    fatty acid homeostasis GO:0055089 ISO
    acylglycerol homeostasis GO:0055090 IBA
    positive regulation of dendritic spine development GO:0060999 IEA
    positive regulation of dendritic spine development GO:0060999 ISO
    negative regulation of dendritic spine development GO:0061000 ISO
    regulation of proteasomal protein catabolic process GO:0061136 IEA
    regulation of proteasomal protein catabolic process GO:0061136 ISO
    response to caloric restriction GO:0061771 IEA
    response to caloric restriction GO:0061771 ISO
    triglyceride homeostasis GO:0070328 IMP
    positive regulation of ERK1 and ERK2 cascade GO:0070374 IEA
    positive regulation of ERK1 and ERK2 cascade GO:0070374 ISO
    cellular response to lipoprotein particle stimulus GO:0071402 IEA
    triglyceride-rich lipoprotein particle clearance GO:0071830 IMP
    triglyceride-rich lipoprotein particle clearance GO:0071830 ISO
    triglyceride-rich lipoprotein particle clearance GO:0071830 ISS
    intermediate-density lipoprotein particle clearance GO:0071831 ISO
    intermediate-density lipoprotein particle clearance GO:0071831 ISS
    circulatory system development GO:0072359 IMP
    negative regulation of canonical Wnt signaling pathway GO:0090090 IEA
    negative regulation of canonical Wnt signaling pathway GO:0090090 ISO
    regulation of cholesterol metabolic process GO:0090181 ISO
    positive regulation of cholesterol metabolic process GO:0090205 IMP
    positive regulation of cholesterol metabolic process GO:0090205 ISO
    regulation of triglyceride metabolic process GO:0090207 ISO
    negative regulation of triglyceride metabolic process GO:0090209 IGI
    negative regulation of cholesterol efflux GO:0090370 ISO
    regulation of plasma lipoprotein particle levels GO:0097006 IMP
    AMPA glutamate receptor clustering GO:0097113 ISO
    NMDA glutamate receptor clustering GO:0097114 ISO
    cellular oxidant detoxification GO:0098869 IEA
    positive regulation of lipoprotein transport GO:0140077 IEA
    regulation of amyloid-beta clearance GO:1900221 ISO
    positive regulation of amyloid-beta clearance GO:1900223 IMP
    negative regulation of long-term synaptic potentiation GO:1900272 IEA
    negative regulation of long-term synaptic potentiation GO:1900272 ISO
    negative regulation of postsynaptic membrane organization GO:1901627 ISO
    positive regulation of presynaptic membrane organization GO:1901631 ISO
    positive regulation of amyloid-beta formation GO:1902004 ISO
    negative regulation of amyloid-beta formation GO:1902430 IEA
    negative regulation of amyloid-beta formation GO:1902430 ISO
    negative regulation of dendritic spine maintenance GO:1902951 ISO
    positive regulation of dendritic spine maintenance GO:1902952 IEA
    positive regulation of dendritic spine maintenance GO:1902952 ISO
    regulation of amyloid precursor protein catabolic process GO:1902991 ISO
    positive regulation of phospholipid efflux GO:1902995 IEA
    positive regulation of phospholipid efflux GO:1902995 ISO
    positive regulation of neurofibrillary tangle assembly GO:1902998 ISO
    negative regulation of phospholipid efflux GO:1902999 ISO
    negative regulation of lipid transport across blood-brain barrier GO:1903001 ISO
    positive regulation of lipid transport across blood-brain barrier GO:1903002 IEA
    positive regulation of lipid transport across blood-brain barrier GO:1903002 ISO
    positive regulation of heparan sulfate proteoglycan binding GO:1905860 ISO
    regulation of cellular response to very-low-density lipoprotein particle stimulus GO:1905890 IEA
    regulation of cellular response to very-low-density lipoprotein particle stimulus GO:1905890 ISO
    regulation of amyloid fibril formation GO:1905906 ISO
    negative regulation of amyloid fibril formation GO:1905907 IMP
    positive regulation of CoA-transferase activity GO:1905920 IMP
    positive regulation of CoA-transferase activity GO:1905920 ISO
    regulation of behavioral fear response GO:2000822 IEA
    regulation of behavioral fear response GO:2000822 ISO
Subcellular Localization
    extracellular region GO:0005576 ISO
    extracellular region GO:0005576 TAS
    extracellular space GO:0005615 IDA
    extracellular space GO:0005615 ISO
    nuclear envelope GO:0005635 ISO
    endosome GO:0005768 ISO
    early endosome GO:0005769 ISO
    late endosome GO:0005770 ISO
    endoplasmic reticulum GO:0005783 IEA
    endoplasmic reticulum GO:0005783 ISO
    Golgi apparatus GO:0005794 IEA
    Golgi apparatus GO:0005794 ISO
    cytosol GO:0005829 TAS
    microtubule GO:0005874 ISO
    cell surface GO:0009986 ISO
    dendrite GO:0030425 ISO
    extracellular matrix GO:0031012 ISO
    extracellular matrix GO:0031012 ISS
    extrinsic component of external side of plasma membrane GO:0031232 ISO
    chylomicron remnant GO:0034360 IEA
    chylomicron remnant GO:0034360 ISO
    very-low-density lipoprotein particle GO:0034361 IBA
    very-low-density lipoprotein particle GO:0034361 ISO
    very-low-density lipoprotein particle GO:0034361 ISS
    low-density lipoprotein particle GO:0034362 IBA
    low-density lipoprotein particle GO:0034362 IDA
    low-density lipoprotein particle GO:0034362 ISO
    intermediate-density lipoprotein particle GO:0034363 ISO
    intermediate-density lipoprotein particle GO:0034363 ISS
    high-density lipoprotein particle GO:0034364 IBA
    high-density lipoprotein particle GO:0034364 ISO
    high-density lipoprotein particle GO:0034364 ISS
    discoidal high-density lipoprotein particle GO:0034365 ISO
    melanosome GO:0042470 IEA
    melanosome GO:0042470 ISO
    chylomicron GO:0042627 IBA
    chylomicron GO:0042627 ISO
    neuronal cell body GO:0043025 ISO
    synaptic cleft GO:0043083 IEA
    synaptic cleft GO:0043083 ISO
    extracellular exosome GO:0070062 IEA
    extracellular exosome GO:0070062 ISO
    multivesicular body, internal vesicle GO:0097487 IEA
    multivesicular body, internal vesicle GO:0097487 ISO
    glutamatergic synapse GO:0098978 IDA
    glutamatergic synapse GO:0098978 IMP
    glutamatergic synapse GO:0098978 ISO
    extracellular vesicle GO:1903561 IBA
    lipoprotein particle GO:1990777 ISO
 Experiment description of studies that identified Apoe in exosomes
1
Experiment ID 15
MISEV standards
EM
Biophysical techniques
CD63
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 17486113    
Organism Mus musculus
Homo sapiens
Experiment description Exosome-mediated transfer of mRNAs and microRNAs is a novel mechanism of genetic exchange between cells.
Authors Valadi H, Ekstrom K, Bossios A, Sjostrand M, Lee JJ, Lotvall JO
Journal name NCB
Publication year 2007
Sample Mast cells
Sample name MC9
Bone marrow-derived mast cells
HMC-1
Isolation/purification methods Filtration
Ultracentrifugation
Sucrose density gradient
Flotation density 1.11-1.21 g/mL
Molecules identified in the study Protein
mRNA
miRNA
Methods used in the study Mass spectrometry [MALDI TOF]
Western blotting
Microarray
miRCURY LNA Array
2
Experiment ID 33
MISEV standards
EM|IEM
Biophysical techniques
Alix|TSG101
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 21136642    
Organism Mus musculus
Experiment description Oligodendrocytes secrete exosomes containing major myelin and stress-protective proteins: Trophic support for axons?
Authors Kramer-Albers EM, Bretz N, Tenzer S, Winterstein C, Mobius W, Berger H, Nave KA, Schild H, Trotter J
Journal name PROTEOMICS_CL
Publication year 2007
Sample Oligodendrocytes
Sample name Oligodendrocytes
Oli-neu
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Flotation density 1.10-1.14 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [QTOF]
Western blotting
Immunoelectron Microscopy
 Protein-protein interactions for Apoe
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 St13 70356
Co-fractionation Mus musculus
2 Saa  
Co-fractionation Mus musculus
3 App 11820
Reconstituted Complex Mus musculus
4 Apoa1 11806
Phenotypic Enhancement Mus musculus
5 Kctd13  
Affinity Capture-MS Mus musculus
6 Rheb  
Co-fractionation Mus musculus
7 Apoh  
Co-fractionation Mus musculus
8 Tmcc2  
Co-fractionation Mus musculus
9 Prnp 19122
Affinity Capture-MS Mus musculus
10 Set 56086
Protein-peptide Mus musculus
Affinity Capture-MS Mus musculus
11 Lrp8  
Co-fractionation Mus musculus
12 Vldlr  
Co-fractionation Mus musculus
13 Fancd2  
Affinity Capture-MS Mus musculus
14 Kcnma1  
Affinity Capture-MS Mus musculus
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