Gene description for Apoa1
Gene name apolipoprotein A-I
Gene symbol Apoa1
Other names/aliases Alp-1
Apoa-1
Brp-14
Ltw-1
Lvtw-1
Sep-1
Sep-2
Sep2
apo-AI
apoA-I
Species Mus musculus
 Database cross references - Apoa1
ExoCarta ExoCarta_11806
Vesiclepedia VP_11806
Entrez Gene 11806
UniProt Q00623  
 Apoa1 identified in exosomes derived from the following tissue/cell type
Faeces 33431899    
Faeces 33431899    
 Gene ontology annotations for Apoa1
Molecular Function
    amyloid-beta binding GO:0001540 IEA
    amyloid-beta binding GO:0001540 ISO
    signaling receptor binding GO:0005102 ISO
    lipid transporter activity GO:0005319 IDA
    lipid transporter activity GO:0005319 IMP
    protein binding GO:0005515 IPI
    phospholipid binding GO:0005543 IBA
    phospholipid binding GO:0005543 IEA
    phospholipid binding GO:0005543 ISO
    high-density lipoprotein particle binding GO:0008035 IDA
    lipid binding GO:0008289 IDA
    cholesterol binding GO:0015485 IEA
    cholesterol binding GO:0015485 ISO
    enzyme binding GO:0019899 IEA
    enzyme binding GO:0019899 ISO
    heat shock protein binding GO:0031072 IEA
    heat shock protein binding GO:0031072 ISO
    apolipoprotein receptor binding GO:0034190 ISO
    apolipoprotein A-I receptor binding GO:0034191 IEA
    apolipoprotein A-I receptor binding GO:0034191 ISO
    identical protein binding GO:0042802 IPI
    identical protein binding GO:0042802 ISO
    protein homodimerization activity GO:0042803 ISS
    chemorepellent activity GO:0045499 IEA
    chemorepellent activity GO:0045499 ISO
    lipase inhibitor activity GO:0055102 ISO
    phosphatidylcholine-sterol O-acyltransferase activator activity GO:0060228 IBA
    phosphatidylcholine-sterol O-acyltransferase activator activity GO:0060228 IEA
    phosphatidylcholine-sterol O-acyltransferase activator activity GO:0060228 ISO
    high-density lipoprotein particle receptor binding GO:0070653 IEA
    high-density lipoprotein particle receptor binding GO:0070653 ISO
    lipoprotein particle binding GO:0071813 IDA
    cholesterol transfer activity GO:0120020 IDA
    cholesterol transfer activity GO:0120020 ISO
    cholesterol transfer activity GO:0120020 ISO
Biological Process
    regulation of protein phosphorylation GO:0001932 IDA
    endothelial cell proliferation GO:0001935 IMP
    negative regulation of cytokine production involved in immune response GO:0002719 IEA
    negative regulation of cytokine production involved in immune response GO:0002719 ISO
    phospholipid metabolic process GO:0006644 IMP
    phosphatidylcholine biosynthetic process GO:0006656 IEA
    phosphatidylcholine biosynthetic process GO:0006656 ISO
    cholesterol biosynthetic process GO:0006695 IMP
    G protein-coupled receptor signaling pathway GO:0007186 IEA
    G protein-coupled receptor signaling pathway GO:0007186 ISO
    integrin-mediated signaling pathway GO:0007229 IEA
    integrin-mediated signaling pathway GO:0007229 ISO
    protein localization GO:0008104 IMP
    cholesterol metabolic process GO:0008203 IBA
    cholesterol metabolic process GO:0008203 IGI
    cholesterol metabolic process GO:0008203 IMP
    cholesterol metabolic process GO:0008203 ISO
    glucocorticoid metabolic process GO:0008211 IMP
    negative regulation of tumor necrosis factor-mediated signaling pathway GO:0010804 IEA
    negative regulation of tumor necrosis factor-mediated signaling pathway GO:0010804 ISO
    positive regulation of cholesterol efflux GO:0010875 ISO
    positive regulation of cholesterol efflux GO:0010875 ISS
    negative regulation of very-low-density lipoprotein particle remodeling GO:0010903 IEA
    negative regulation of very-low-density lipoprotein particle remodeling GO:0010903 ISO
    phospholipid transport GO:0015914 ISO
    protein oxidation GO:0018158 ISO
    protein oxidation GO:0018158 ISS
    peptidyl-methionine modification GO:0018206 ISO
    peptidyl-methionine modification GO:0018206 ISS
    lipid storage GO:0019915 IMP
    regulation of intestinal cholesterol absorption GO:0030300 IDA
    cholesterol transport GO:0030301 IDA
    cholesterol transport GO:0030301 IMP
    cholesterol transport GO:0030301 ISO
    cholesterol transport GO:0030301 ISO
    adrenal gland development GO:0030325 IMP
    animal organ regeneration GO:0031100 ISO
    axon regeneration GO:0031103 IGI
    regulation of Cdc42 protein signal transduction GO:0032489 IEA
    regulation of Cdc42 protein signal transduction GO:0032489 ISO
    negative regulation of interleukin-1 beta production GO:0032691 IEA
    negative regulation of interleukin-1 beta production GO:0032691 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
    negative regulation of heterotypic cell-cell adhesion GO:0034115 IEA
    negative regulation of heterotypic cell-cell adhesion GO:0034115 ISO
    high-density lipoprotein particle remodeling GO:0034375 IEA
    high-density lipoprotein particle remodeling GO:0034375 ISO
    high-density lipoprotein particle assembly GO:0034380 IEA
    high-density lipoprotein particle assembly GO:0034380 ISO
    positive regulation of Rho protein signal transduction GO:0035025 IEA
    positive regulation of Rho protein signal transduction GO:0035025 ISO
    lipoprotein biosynthetic process GO:0042158 IGI
    lipoprotein biosynthetic process GO:0042158 IMP
    cholesterol homeostasis GO:0042632 IEA
    cholesterol homeostasis GO:0042632 ISO
    blood vessel endothelial cell migration GO:0043534 IMP
    reverse cholesterol transport GO:0043691 IEA
    reverse cholesterol transport GO:0043691 ISO
    negative regulation of inflammatory response GO:0050728 IEA
    negative regulation of inflammatory response GO:0050728 ISO
    positive regulation of phagocytosis GO:0050766 ISO
    positive regulation of phagocytosis GO:0050766 ISS
    protein stabilization GO:0050821 ISO
    protein stabilization GO:0050821 ISS
    negative chemotaxis GO:0050919 IEA
    negative chemotaxis GO:0050919 ISO
    vitamin transport GO:0051180 IEA
    vitamin transport GO:0051180 ISO
    positive regulation of hydrolase activity GO:0051345 ISO
    negative regulation of hydrolase activity GO:0051346 IGI
    positive regulation of transferase activity GO:0051347 IMP
    positive regulation of stress fiber assembly GO:0051496 IEA
    positive regulation of stress fiber assembly GO:0051496 ISO
    acylglycerol homeostasis GO:0055090 IBA
    phospholipid homeostasis GO:0055091 IEA
    phospholipid homeostasis GO:0055091 ISO
    negative regulation of cell adhesion molecule production GO:0060354 IEA
    negative regulation of cell adhesion molecule production GO:0060354 ISO
    negative regulation of response to cytokine stimulus GO:0060761 ISO
    triglyceride homeostasis GO:0070328 IEA
    triglyceride homeostasis GO:0070328 ISO
    cholesterol import GO:0070508 IEA
    cholesterol import GO:0070508 ISO
    cellular response to lipoprotein particle stimulus GO:0071402 IEA
    positive regulation of cholesterol metabolic process GO:0090205 IEA
    positive regulation of cholesterol metabolic process GO:0090205 ISO
    positive regulation of substrate adhesion-dependent cell spreading GO:1900026 IEA
    positive regulation of substrate adhesion-dependent cell spreading GO:1900026 ISO
    positive regulation of phospholipid efflux GO:1902995 ISO
    positive regulation of phospholipid efflux GO:1902995 ISS
    positive regulation of CoA-transferase activity GO:1905920 ISO
Subcellular Localization
    extracellular region GO:0005576 IDA
    extracellular region GO:0005576 TAS
    extracellular space GO:0005615 IDA
    extracellular space GO:0005615 ISO
    cytosol GO:0005829 TAS
    cell surface GO:0009986 ISO
    endocytic vesicle GO:0030139 IEA
    endocytic vesicle GO:0030139 ISO
    cytoplasmic vesicle GO:0031410 ISO
    very-low-density lipoprotein particle GO:0034361 IBA
    very-low-density lipoprotein particle GO:0034361 IEA
    very-low-density lipoprotein particle GO:0034361 ISO
    low-density lipoprotein particle GO:0034362 IBA
    low-density lipoprotein particle GO:0034362 ISO
    intermediate-density lipoprotein particle GO:0034363 ISO
    high-density lipoprotein particle GO:0034364 IBA
    high-density lipoprotein particle GO:0034364 ISO
    discoidal high-density lipoprotein particle GO:0034365 ISO
    spherical high-density lipoprotein particle GO:0034366 IEA
    spherical high-density lipoprotein particle GO:0034366 ISO
    chylomicron GO:0042627 IBA
    extracellular vesicle GO:1903561 IBA
 Experiment description of studies that identified Apoa1 in exosomes
1
Experiment ID 303
MISEV standards
EM
Biophysical techniques
Cd63|Cd81|Cd9
Enriched markers
Negative markers
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 33431899    
Organism Mus musculus
Experiment description High-fat diet-induced upregulation of exosomal phosphatidylcholine contributes to insulin resistance
Authors Kumar A, Sundaram K, Mu J, Dryden GW, Sriwastva MK, Lei C, Zhang L, Qiu X, Xu F, Yan J, Zhang X, Park JW, Merchant ML, Bohler HCL, Wang B, Zhang S, Qin C, Xu Z, Han X, McClain CJ, Teng Y, Zhang HG.
Journal name Nat Commun
Publication year 2021
Sample Faeces
Sample name Intestinal epithelial cells - C57BL/6
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient centrifugation
Flotation density -
Molecules identified in the study Protein
Lipid
miRNA
Methods used in the study Western blotting
Mass spectrometry
Immunofluorescence
miRNA array
HPLC
2
Experiment ID 304
MISEV standards
EM
Biophysical techniques
Cd63|Cd81|Cd9
Enriched markers
Negative markers
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 33431899    
Organism Mus musculus
Experiment description High-fat diet-induced upregulation of exosomal phosphatidylcholine contributes to insulin resistance
Authors Kumar A, Sundaram K, Mu J, Dryden GW, Sriwastva MK, Lei C, Zhang L, Qiu X, Xu F, Yan J, Zhang X, Park JW, Merchant ML, Bohler HCL, Wang B, Zhang S, Qin C, Xu Z, Han X, McClain CJ, Teng Y, Zhang HG.
Journal name Nat Commun
Publication year 2021
Sample Faeces
Sample name Intestinal epithelial cells - C57BL/6
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient centrifugation
Flotation density -
Molecules identified in the study Protein
Lipid
miRNA
Methods used in the study Western blotting
Mass spectrometry
Immunofluorescence
miRNA array
HPLC
 Protein-protein interactions for Apoa1
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 Acpp  
Co-fractionation Mus musculus
2 Apoe 11816
Phenotypic Enhancement Mus musculus
3 Ndufa12  
Cross-Linking-MS (XL-MS) Mus musculus
4 Saa  
Co-fractionation Mus musculus
5 Apoa1 11806
Reconstituted Complex Mus musculus
Reconstituted Complex Mus musculus
6 Serpina1c  
Co-fractionation Mus musculus
7 Cp 12870
Co-fractionation Mus musculus
8 Qdpr 110391
Co-fractionation Mus musculus
9 Apob 238055
Affinity Capture-Western Mus musculus
10 NDRG1 10397
Two-hybrid Homo sapiens
11 Fancd2  
Affinity Capture-MS Mus musculus
12 Lgi1  
Co-fractionation Mus musculus
13 Kcnma1  
Affinity Capture-MS Mus musculus
Affinity Capture-Western Mus musculus
View the network image/svg+xml
 Pathways in which Apoa1 is involved
PathwayEvidenceSource
ABC transporters in lipid homeostasis IEA Reactome
ABC-family proteins mediated transport IEA Reactome
Binding and Uptake of Ligands by Scavenger Receptors IEA Reactome
Cellular responses to stimuli IEA Reactome
Cellular responses to stress IEA Reactome
Chylomicron assembly IEA Reactome
Chylomicron remodeling IEA Reactome
HDL assembly IEA Reactome
HDL clearance IEA Reactome
HDL remodeling IEA Reactome
Heme signaling IEA Reactome
Hemostasis IEA Reactome
Metabolism IEA Reactome
Metabolism of fat-soluble vitamins IEA Reactome
Metabolism of proteins IEA Reactome
Metabolism of vitamins and cofactors IEA Reactome
Plasma lipoprotein assembly IEA Reactome
Plasma lipoprotein assembly, remodeling, and clearance IEA Reactome
Plasma lipoprotein clearance IEA Reactome
Plasma lipoprotein remodeling IEA Reactome
Platelet activation, signaling and aggregation IEA Reactome
Platelet degranulation IEA Reactome
Post-translational protein modification IEA Reactome
Post-translational protein phosphorylation IEA Reactome
Regulation of Insulin-like Growth Factor (IGF) transport and uptake by Insulin-like Growth Factor Binding Proteins (IGFBPs) IEA Reactome
Response to elevated platelet cytosolic Ca2+ IEA Reactome
Retinoid metabolism and transport IEA Reactome
Scavenging by Class A Receptors IEA Reactome
Scavenging by Class B Receptors IEA Reactome
Scavenging of heme from plasma IEA Reactome
Sensory Perception IEA Reactome
Transport of small molecules IEA Reactome
Vesicle-mediated transport IEA Reactome
Visual phototransduction IEA Reactome





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