Gene description for Itsn1
Gene name intersectin 1 (SH3 domain protein 1A)
Gene symbol Itsn1
Other names/aliases AA517634
AA545208
AI316805
AI839402
AI848451
Ehsh1
Ese1
Itsn
Sh3p17
Species Mus musculus
 Database cross references - Itsn1
ExoCarta ExoCarta_16443
Vesiclepedia VP_16443
Entrez Gene 16443
UniProt Q9Z0R4  
 Itsn1 identified in sEVs derived from the following tissue/cell type
Mast cells 17486113    
 Gene ontology annotations for Itsn1
Molecular Function
    guanyl-nucleotide exchange factor activity GO:0005085 IEA
    calcium ion binding GO:0005509 IEA
    protein binding GO:0005515 IPI
    kinase activator activity GO:0019209 IDA
    molecular adaptor activity GO:0060090 IBA
    molecular adaptor activity GO:0060090 ISO
    proline-rich region binding GO:0070064 ISO
Biological Process
    exocytosis GO:0006887 IEA
    endocytosis GO:0006897 IMP
    small GTPase-mediated signal transduction GO:0007264 IDA
    cell-cell signaling GO:0007267 IMP
    protein localization GO:0008104 ISO
    protein transport GO:0015031 IEA
    endosomal transport GO:0016197 IBA
    negative regulation of neuron apoptotic process GO:0043524 IMP
    synaptic vesicle endocytosis GO:0048488 IDA
    synaptic vesicle endocytosis GO:0048488 IMP
    neuron apoptotic process GO:0051402 IMP
    positive regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction GO:0051897 IDA
    positive regulation of growth hormone secretion GO:0060124 ISO
    positive regulation of dendritic spine development GO:0060999 ISO
    regulation of postsynapse organization GO:0099175 ISO
    clathrin-dependent synaptic vesicle endocytosis GO:0150007 IBA
    regulation of modification of postsynaptic actin cytoskeleton GO:1905274 ISO
    positive regulation of caveolin-mediated endocytosis GO:2001288 ISO
Subcellular Localization
    nuclear envelope GO:0005635 IEA
    nuclear envelope GO:0005635 ISO
    nuclear envelope GO:0005635 ISS
    cytoplasm GO:0005737 IBA
    cytoplasm GO:0005737 ISO
    cytoplasm GO:0005737 ISS
    cytosol GO:0005829 IDA
    cytosol GO:0005829 TAS
    plasma membrane GO:0005886 IBA
    plasma membrane GO:0005886 IEA
    plasma membrane GO:0005886 ISO
    clathrin-coated pit GO:0005905 IDA
    clathrin-coated pit GO:0005905 ISO
    clathrin-coated pit GO:0005905 ISO
    lamellipodium GO:0030027 IDA
    endocytic vesicle GO:0030139 IDA
    presynaptic membrane GO:0042734 IBA
    neuronal cell body GO:0043025 ISO
    dendritic spine GO:0043197 ISO
    calyx of Held GO:0044305 IDA
    recycling endosome GO:0055037 IEA
    apical dendrite GO:0097440 ISO
    intracellular vesicle GO:0097708 IBA
    intracellular vesicle GO:0097708 ISO
    presynaptic endocytic zone GO:0098833 IDA
    postsynaptic actin cytoskeleton GO:0098871 ISO
    glutamatergic synapse GO:0098978 ISO
 Experiment description of studies that identified Itsn1 in sEVs
1
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
 Protein-protein interactions for Itsn1
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 Dnm1 13429
Affinity Capture-Western Mus musculus
2 Eps15 13858
Affinity Capture-Western Mus musculus
Affinity Capture-Western Mus musculus
3 Fxr1 14359
Affinity Capture-MS Mus musculus
4 Ubc  
Reconstituted Complex Mus musculus
5 GZMB  
Biochemical Activity Homo sapiens
6 Kctd13  
Affinity Capture-MS Mus musculus
7 Spry2  
Affinity Capture-Western Mus musculus
Reconstituted Complex Mus musculus
PCA Mus musculus
8 SPRY2 10253
Affinity Capture-Western Homo sapiens
9 CBL 867
PCA Homo sapiens
10 Cbl 12402
Affinity Capture-Western Mus musculus
Affinity Capture-Western Mus musculus
11 Ptpn11 19247
Affinity Capture-Western Mus musculus
PCA Mus musculus
12 Arhgap31  
Affinity Capture-Western Mus musculus
Affinity Capture-Western Mus musculus
View the network image/svg+xml



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