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- _4 wasQuotedFrom 17511588 provenance.
- _4 value "The mitogenic and chemotactic effects of VEGF in ECs are mediated mainly through VEGFR2 (76). VEGFR2 is activated through ligandstimulated receptor dimerization and transphosphorylation (autophosphorylation) of tyrosine residues in the cytoplasmic kinase domain. At present, tyrosine residues 951 and 996 in the kinase insert domain, and 1054 and 1059 in the kinase catalytic domain, have been identified as autophosphorylation sites for VEGFR2 in a bacterial expression system (30). This event is followed by activation of downstream signaling pathways such as Src, PI3 kinase, MAP kinases, and Akt, which is essential for VEGF-induced actin reorganization, cell migration, and proliferation of ECs." provenance.