Gene description for Acta2
Gene name actin, alpha 2, smooth muscle, aorta
Gene symbol Acta2
Other names/aliases 0610041G09Rik
Actvs
SMalphaA
a-SMA
alphaSMA
Species Mus musculus
 Database cross references - Acta2
ExoCarta ExoCarta_11475
Vesiclepedia VP_11475
Entrez Gene 11475
UniProt P62737  
 Acta2 identified in sEVs derived from the following tissue/cell type
Fibroblasts 23260141    
Oligodendrocytes 21136642    
Pancreatic cells 19351151    
 Gene ontology annotations for Acta2
Molecular Function
    protein binding GO:0005515 IPI
    ATP binding GO:0005524 IEA
    hydrolase activity GO:0016787 IEA
    protein kinase binding GO:0019901 IPI
Biological Process
    muscle contraction GO:0006936 ISO
    regulation of blood pressure GO:0008217 IMP
    response to virus GO:0009615 IEA
    positive regulation of gene expression GO:0010628 ISS
    vascular associated smooth muscle contraction GO:0014829 IMP
    positive regulation of hepatic stellate cell migration GO:0061870 IEA
    positive regulation of hepatic stellate cell migration GO:0061870 ISO
    positive regulation of hepatic stellate cell contraction GO:0061874 IEA
    positive regulation of hepatic stellate cell contraction GO:0061874 ISO
    positive regulation of ERK1 and ERK2 cascade GO:0070374 IEA
    positive regulation of ERK1 and ERK2 cascade GO:0070374 ISO
    cellular response to transforming growth factor beta stimulus GO:0071560 IEA
    juxtaglomerular apparatus development GO:0072051 IEA
    glomerular mesangial cell development GO:0072144 IEA
    mesenchyme migration GO:0090131 ISS
    positive regulation of hepatic stellate cell activation GO:2000491 IEA
    positive regulation of hepatic stellate cell activation GO:2000491 ISO
Subcellular Localization
    stress fiber GO:0001725 IEA
    stress fiber GO:0001725 ISO
    basement membrane GO:0005604 IEA
    basement membrane GO:0005604 ISO
    cytoplasm GO:0005737 IDA
    cytoplasm GO:0005737 ISO
    cytoskeleton GO:0005856 IDA
    actin cytoskeleton GO:0015629 IBA
    actin cytoskeleton GO:0015629 IDA
    actin cytoskeleton GO:0015629 ISO
    lamellipodium GO:0030027 ISS
    filopodium GO:0030175 ISS
    smooth muscle contractile fiber GO:0030485 IDA
    motile cilium GO:0031514 IDA
    protein-containing complex GO:0032991 IEA
    cell body GO:0044297 ISS
 Experiment description of studies that identified Acta2 in sEVs
1
Experiment ID 210
MISEV standards
EM
Biophysical techniques
CD81|FLOT1
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23260141    
Organism Mus musculus
Experiment description Exosomes Mediate Stromal Mobilization of Autocrine Wnt-PCP Signaling in Breast Cancer Cell Migration.
Authors "Luga V, Zhang L, Viloria-Petit AM, Ogunjimi AA, Inanlou MR, Chiu E, Buchanan M, Hosein AN, Basik M, Wrana JL."
Journal name Cell
Publication year 2012
Sample Fibroblasts
Sample name Normal-Fibroblasts (L cells)
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
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
3
Experiment ID 188
MISEV standards
EM
Biophysical techniques
GAPDH|UCHL1|HSP90
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 19351151    
Organism Mus musculus
Experiment description Characterization of vesicles secreted from insulinoma NIT-1 cells.
Authors "Lee HS, Jeong J, Lee KJ."
Journal name J Proteome Res
Publication year 2009
Sample Pancreatic cells
Sample name Pancreatic beta cell (NIT-1)
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
 Protein-protein interactions for Acta2
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 Myl2  
Cross-Linking-MS (XL-MS) Mus musculus
2 Tnnt2  
Cross-Linking-MS (XL-MS) Mus musculus
Cross-Linking-MS (XL-MS) Mus musculus
3 Nphp4  
Affinity Capture-MS Mus musculus
4 Atxn1  
Affinity Capture-MS Mus musculus
5 Lbr  
Cross-Linking-MS (XL-MS) Mus musculus
6 Thrb  
Affinity Capture-MS Mus musculus
7 Acta2 11475
Cross-Linking-MS (XL-MS) Mus musculus
Cross-Linking-MS (XL-MS) Mus musculus
8 Myh6  
Cross-Linking-MS (XL-MS) Mus musculus
Cross-Linking-MS (XL-MS) Mus musculus
9 Pdlim5 56376
Affinity Capture-Western Mus musculus
10 Tpm1 22003
Cross-Linking-MS (XL-MS) Mus musculus
Cross-Linking-MS (XL-MS) Mus musculus
11 Actn2  
Cross-Linking-MS (XL-MS) Mus musculus
Cross-Linking-MS (XL-MS) Mus musculus
12 Tnnc1  
Cross-Linking-MS (XL-MS) Mus musculus
13 Fancd2  
Affinity Capture-MS Mus musculus
14 Tnni3  
Cross-Linking-MS (XL-MS) Mus musculus
View the network image/svg+xml
 Pathways in which Acta2 is involved
PathwayEvidenceSource
Muscle contraction IEA Reactome
Smooth Muscle Contraction IEA Reactome





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