Gene description for Actr2
Gene name ARP2 actin-related protein 2
Gene symbol Actr2
Other names/aliases 4921510D23Rik
AA409782
Arp2
D6Ertd746e
Species Mus musculus
 Database cross references - Actr2
ExoCarta ExoCarta_66713
Vesiclepedia VP_66713
Entrez Gene 66713
UniProt P61161  
 Actr2 identified in sEVs derived from the following tissue/cell type
Colon cancer cells 37309723    
Mast cells 17486113    
T-cell lymphoma cells 37309723    
 Gene ontology annotations for Actr2
Molecular Function
    structural constituent of cytoskeleton GO:0005200 IEA
    structural constituent of cytoskeleton GO:0005200 ISO
    protein binding GO:0005515 IPI
    ATP binding GO:0005524 IEA
    cytoskeletal protein binding GO:0008092 ISO
    actin filament binding GO:0051015 IBA
    actin filament binding GO:0051015 IEA
    actin filament binding GO:0051015 ISO
Biological Process
    establishment or maintenance of cell polarity GO:0007163 IGI
    asymmetric cell division GO:0008356 IGI
    positive regulation of lamellipodium assembly GO:0010592 ISO
    positive regulation of lamellipodium assembly GO:0010592 ISS
    meiotic chromosome movement towards spindle pole GO:0016344 IGI
    cytosolic transport GO:0016482 IMP
    actin cytoskeleton organization GO:0030036 IMP
    meiotic cytokinesis GO:0033206 IGI
    Arp2/3 complex-mediated actin nucleation GO:0034314 IBA
    Arp2/3 complex-mediated actin nucleation GO:0034314 ISO
    Arp2/3 complex-mediated actin nucleation GO:0034314 ISS
    positive regulation of transcription by RNA polymerase II GO:0045944 ISO
    positive regulation of transcription by RNA polymerase II GO:0045944 ISS
    meiotic cell cycle GO:0051321 IGI
    spindle localization GO:0051653 IGI
    cilium assembly GO:0060271 ISO
    positive regulation of dendritic spine morphogenesis GO:0061003 ISO
    cellular response to type II interferon GO:0071346 IGI
    positive regulation of double-strand break repair via homologous recombination GO:1905168 ISO
    positive regulation of double-strand break repair via homologous recombination GO:1905168 ISS
    regulation of double-strand break repair via nonhomologous end joining GO:2001032 ISS
Subcellular Localization
    nucleus GO:0005634 ISO
    nucleus GO:0005634 ISS
    cytoplasm GO:0005737 ISO
    cytoplasm GO:0005737 ISS
    cytosol GO:0005829 IEA
    Arp2/3 protein complex GO:0005885 IBA
    Arp2/3 protein complex GO:0005885 ISO
    Arp2/3 protein complex GO:0005885 ISS
    cell cortex GO:0005938 IBA
    cell cortex GO:0005938 IDA
    lamellipodium GO:0030027 ISO
    actin cap GO:0030478 IDA
    site of double-strand break GO:0035861 ISO
    site of double-strand break GO:0035861 ISS
    cell projection GO:0042995 IEA
    podosome core GO:0061825 ISO
    postsynapse GO:0098794 ISO
 Experiment description of studies that identified Actr2 in sEVs
1
Experiment ID 907
MISEV standards
EM
Biophysical techniques
Tsg101|Sdcbp|Cd151|Gapdh|Lamp2|Cd81|Cd82|Cd9|Cd63|Cd80|Flot2|Tfrc|Rab35|Rab5a
Enriched markers
HSPA5
Negative markers
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 37309723    
Organism Mus musculus
Experiment description Proteomic analysis of the small extracellular vesicles and soluble secretory proteins from cachexia inducing and non-inducing cancer cells
Authors "Chitti SV, Kang T, Fonseka P, Marzan AL, Stewart S, Shahi S, Bramich K, Ang CS, Pathan M, Gummadi S, Mathivanan S."
Journal name Proteomics
Publication year 2023
Sample Colon cancer cells
Sample name C26
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
2
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
3
Experiment ID 15
MISEV standards
EM
Biophysical techniques
CD63
Enriched markers
Negative markers
Particle analysis
Identified molecule mrna
Identification method Microarray
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
4
Experiment ID 908
MISEV standards
EM
Biophysical techniques
Tsg101|Sdcbp|Cd151|Gapdh|Lamp2|Cd81|Cd82|Cd9|Cd63|Cd80|Flot2|Tfrc|Rab35|Rab5a
Enriched markers
HSPA5
Negative markers
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 37309723    
Organism Mus musculus
Experiment description Proteomic analysis of the small extracellular vesicles and soluble secretory proteins from cachexia inducing and non-inducing cancer cells
Authors "Chitti SV, Kang T, Fonseka P, Marzan AL, Stewart S, Shahi S, Bramich K, Ang CS, Pathan M, Gummadi S, Mathivanan S."
Journal name Proteomics
Publication year 2023
Sample T-cell lymphoma cells
Sample name EL4
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
 Protein-protein interactions for Actr2
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 Rangap1  
Co-fractionation Mus musculus
2 Ufm1  
Co-fractionation Mus musculus
3 Tmem173  
Proximity Label-MS Mus musculus
4 Rprd1a  
Co-fractionation Mus musculus
5 Atxn1  
Affinity Capture-MS Mus musculus
6 Eed  
Affinity Capture-MS Mus musculus
7 Fitm2  
Negative Genetic Mus musculus
8 Mapt  
Affinity Capture-MS Mus musculus
9 Rprd1b  
Co-fractionation Mus musculus
10 Tpd52l2  
Co-fractionation Mus musculus
11 Anp32b 67628
Co-fractionation Mus musculus
12 Unk  
Affinity Capture-RNA Mus musculus
13 Tprkb  
Co-fractionation Mus musculus
14 Fancd2  
Affinity Capture-MS Mus musculus
15 Kctd13  
Affinity Capture-MS Mus musculus
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