Summary

Name IGF1
Full Name Insulin-like growth factor I
Synonyms IGF-I, Mechano growth factor, MGF, Somatomedin-C | IBP1
Primary ID P05019
Links - -
Type protein
Relations 17
Pathways Acute Myeloid Leukemia, miRNA in AML, EBV infection, Myofiber: IGF1R, P38 Signaling and Myogenesis, Rhabdomyosarcoma, Satellite: Calcium&myogenesis, Satellite: IGF1R, Satellite: miRNA network
Function The insulin-like growth factors, isolated from plasma, are structurally and functionally related to insulin but have a much higher growth-promoting activity. May be a physiological regulator of [1-14C]-2-deoxy-D-glucose (2DG) transport and glycogen synthesis in osteoblasts. Stimulates glucose transport in bone-derived osteoblastic (PyMS) cells and is effective at much lower concentrations than insulin, not only regarding glycogen and DNA synthesis but also with regard to enhancing glucose uptake. May play a role in synapse maturation (PubMed:21076856, PubMed:24132240). Ca(2+)-dependent exocytosis of IGF1 is required for sensory perception of smell in the olfactory bulb (By similarity). Acts as a ligand for IGF1R. Binds to the alpha subunit of IGF1R, leading to the activation of the intrinsic tyrosine kinase activity which autophosphorylates tyrosine residues in the beta subunit thus initiatiating a cascade of down-stream signaling events leading to activation of the PI3K-AKT/PKB and the Ras-MAPK pathways. Binds to integrins ITGAV:ITGB3 and ITGA6:ITGB4. Its binding to integrins and subsequent ternary complex formation with integrins and IGFR1 are essential for IGF1 signaling. Induces the phosphorylation and activation of IGFR1, MAPK3/ERK1, MAPK1/ERK2 and AKT1 (PubMed:19578119, PubMed:22351760, PubMed:23696648, PubMed:23243309).

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Relations

Regulator Mechanism target score
+ down-regulates quantity by repression img/indirect_inhibition.png transcriptional regulation MMP13 0.364
Publications: 1 Organism: Homo Sapiens
+ up-regulates quantity by expression img/direct-activation.png transcriptional regulation IGF1 0.446
Publications: 1 Organism: Homo Sapiens
Pathways:Acute Myeloid Leukemia, miRNA in AML
+ up-regulates quantity by expression img/direct-activation.png transcriptional regulation IGF1 0.341
Publications: 1
+ up-regulates img/indirect-activation.png PPP3CC 0.2
Publications: 1 Organism: Mus Musculus
Tissue: Muscle, Skeletal Muscle, Myotube
Pathways:IGF and Myogenesis
+ up-regulates img/indirect-activation.png Calcineurin 0.269
Publications: 1 Organism: Mus Musculus
+ up-regulates activity img/direct-activation.png binding IGF1R 0.955
Publications: 1 Organism: Homo Sapiens
Pathways:EBV infection, IGF and Myogenesis, P38 Signaling and Myogenesis, Rhabdomyosarcoma
+ up-regulates img/indirect-activation.png PPP3CB 0.267
Publications: 1 Organism: Mus Musculus
Pathways:IGF and Myogenesis
+ up-regulates quantity by expression img/direct-activation.png transcriptional regulation IGF1 0.306
Publications: 1 Organism: Homo Sapiens
+ up-regulates quantity by expression img/indirect-activation.png transcriptional regulation IGF1 0.2
Publications: 1 Organism: Homo Sapiens
Pathways:Acute Myeloid Leukemia
+ up-regulates img/direct-activation.png binding IGF1R 0.955
Publications: 1 Organism: Homo Sapiens
Pathways:EBV infection, IGF and Myogenesis, P38 Signaling and Myogenesis, Rhabdomyosarcoma
+ up-regulates img/indirect-activation.png Adipogenesis 0.7
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/indirect-activation.png PP2B 0.279
Publications: 1 Organism: Mus Musculus
Tissue: Muscle, Skeletal Muscle, Myotube
+ down-regulates activity img/direct_inhibition.png binding GSK3B/Axin/APC 0.343
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/indirect-activation.png PPP3CA 0.279
Publications: 1 Organism: Mus Musculus
Tissue: Muscle, Skeletal Muscle, Myotube
Pathways:IGF and Myogenesis
+ up-regulates quantity by expression img/indirect-activation.png transcriptional regulation FBN1 0.296
Publications: 1 Organism: Rattus Norvegicus
+ up-regulates quantity by expression img/direct-activation.png transcriptional regulation IGF1 0.348
Publications: 1 Organism: Mus Musculus
+ down-regulates quantity img/direct_inhibition.png post transcriptional regulation IGF1 0.4
Publications: 1 Organism: Homo Sapiens
Pathways:Acute Myeloid Leukemia, miRNA in AML