Gene description for IGF2
Gene name insulin-like growth factor 2
Gene symbol IGF2
Other names/aliases C11orf43
IGF-II
PP9974
Species Homo sapiens
 Database cross references - IGF2
ExoCarta ExoCarta_3481
Entrez Gene 3481
HGNC 5466
MIM 147470
UniProt P01344  
 IGF2 identified in exosomes derived from the following tissue/cell type
Hepatocellular carcinoma cells 26054723    
Prostate cancer cells 25844599    
 Gene ontology annotations for IGF2
Molecular Function
    protein serine/threonine kinase activator activity GO:0043539 ISS
    protein binding GO:0005515 IPI
    receptor activator activity GO:0030546 ISS
    hormone activity GO:0005179 IEA
    insulin-like growth factor receptor binding GO:0005159 IEA
    growth factor activity GO:0008083 IDA
    insulin receptor binding GO:0005158 IPI
Biological Process
    exocrine pancreas development GO:0031017 IEA
    glucose metabolic process GO:0006006 IEA
    female pregnancy GO:0007565 IEA
    platelet activation GO:0030168 TAS
    regulation of transcription, DNA-templated GO:0006355 NAS
    positive regulation of protein phosphorylation GO:0001934 ISS
    regulation of gene expression by genetic imprinting GO:0006349 TAS
    positive regulation of peptidyl-tyrosine phosphorylation GO:0050731 ISS
    positive regulation of MAPK cascade GO:0043410 IDA
    platelet degranulation GO:0002576 TAS
    response to drug GO:0042493 IEA
    positive regulation of steroid hormone biosynthetic process GO:0090031 IEA
    positive regulation of cell proliferation GO:0008284 IC
    cellular response to mechanical stimulus GO:0071260 IEA
    positive regulation of catalytic activity GO:0043085 ISS
    response to nutrient levels GO:0031667 IEA
    positive regulation of transcription from RNA polymerase II promoter GO:0045944 IEA
    positive regulation of protein kinase B signaling GO:0051897 IDA
    positive regulation of mitotic nuclear division GO:0045840 IDA
    blood coagulation GO:0007596 TAS
    insulin receptor signaling pathway GO:0008286 TAS
    response to nicotine GO:0035094 IEA
    positive regulation of receptor activity GO:2000273 IEA
    response to radiation GO:0009314 IEA
    skeletal system development GO:0001501 TAS
    striated muscle cell differentiation GO:0051146 IEA
    positive regulation of activated T cell proliferation GO:0042104 IDA
    positive regulation of glycogen biosynthetic process GO:0045725 ISS
    positive regulation of glycogen (starch) synthase activity GO:2000467 ISS
    multicellular organismal development GO:0007275 TAS
    osteoblast differentiation GO:0001649 IEA
    memory GO:0007613 IEA
    positive regulation of insulin receptor signaling pathway GO:0046628 IDA
    positive regulation of protein serine/threonine kinase activity GO:0071902 IEA
    insulin receptor signaling pathway via phosphatidylinositol 3-kinase GO:0038028 ISS
    organ morphogenesis GO:0009887 IEA
    response to ethanol GO:0045471 IEA
    response to estradiol GO:0032355 IEA
    cellular protein metabolic process GO:0044267 TAS
Subcellular Localization
    extracellular region GO:0005576 TAS
    extracellular exosome GO:0070062 IDA
    plasma membrane GO:0005886 TAS
    platelet alpha granule lumen GO:0031093 TAS
    extracellular space GO:0005615 IEA
 Experiment description of studies that identified IGF2 in exosomes
1
Experiment ID 234
ISEV standards
EM
EV Biophysical techniques
TSG101|Alix|HSC70|GAPDH
EV Cytosolic markers
EV Membrane markers
HSP90B1
EV Negative markers
qNano
EV Particle analysis
Identified molecule mRNA
Identification method RNA Sequencing
PubMed ID 26054723    
Organism Homo sapiens
Experiment description Hepatocellular carcinoma-derived exosomes promote motility of immortalized hepatocyte through transfer of oncogenic proteins and RNAs
Authors He M, Qin H, Poon TC, Sze SC, Ding X, Co NN, Ngai SM, Chan TF, Wong N
Journal name Carcinogenesis
Publication year 2015
Sample Hepatocellular carcinoma cells
Sample name HKCI-C3
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Sucrose density gradient
Flotation density 1.13-1.19 g/mL
Molecules identified in the study Protein
RNA
Methods used in the study Western blotting
Mass spectrometry
RT-PCR
RNA Sequencing
2
Experiment ID 275
ISEV standards
EM
EV Biophysical techniques
TSG101|Alix|RAB5A
EV Cytosolic markers
CD9|CD82|CD63|CD81
EV Membrane markers
AIF
EV Negative markers
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25844599    
Organism Homo sapiens
Experiment description Molecular profiling of prostate cancer derived exosomes may reveal a predictive signature for response to docetaxel.
Authors Kharaziha P, Chioureas D, Rutishauser D, Baltatzis G, Lennartsson L, Fonseca P, Azimi A, Hultenby K, Zubarev R, Ullen A, Yachnin J, Nilsson S, Panaretakis T.
Journal name Oncotarget
Publication year 2015
Sample Prostate cancer cells
Sample name DU145 - Docetaxel sensitive
Isolation/purification methods Filtration
Ultracentrifugation
Sucrose density gradient
Flotation density 1.12-1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry/Flow cytometry/Western blotting
 Protein-protein interactions for IGF2
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 VTN 7448
Reconstituted Complex Homo sapiens
Affinity Capture-MS Homo sapiens
2 TF 7018
Reconstituted Complex Homo sapiens
Reconstituted Complex Homo sapiens
3 IGFBP7 3490
Reconstituted Complex Homo sapiens
4 IDE 3416
Reconstituted Complex Homo sapiens
5 IGFBP6 3489
Reconstituted Complex Homo sapiens
6 IGFBP3  
Reconstituted Complex Homo sapiens
Reconstituted Complex Homo sapiens
7 IGFBP1  
Reconstituted Complex Homo sapiens
8 INSR 3643
Invivo Homo sapiens
9 IGFBP2 3485
Invivo Homo sapiens
Invivo Homo sapiens
Invivo Homo sapiens
Invitro Homo sapiens
Invitro Homo sapiens
Invitro Homo sapiens
10 IGFBP5 3488
Invitro Homo sapiens
Invivo Homo sapiens
Affinity Capture-MS Homo sapiens
11 IGFBP4 3487
Invitro Homo sapiens
Affinity Capture-MS Homo sapiens
12 IGF1R 3480
Invivo Homo sapiens
13 NOV  
Reconstituted Complex Homo sapiens
Affinity Capture-MS Homo sapiens
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