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Gene interactions and pathways from curated databases and text-mining
Oncogene 1995, PMID: 7731718

The motogenic and mitogenic responses to HGF are amplified by the Shc adaptor protein.

Pelicci, G; Giordano, S; Zhen, Z; Salcini, A E; Lanfrancone, L; Bardelli, A; Panayotou, G; Waterfield, M D; Ponzetto, C; Pelicci, P G

The receptor of Hepatocyte Growth Factor-Scatter Factor (HGF) is a tyrosine kinase which regulates cell motility and growth. After ligand-induced tyrosine phosphorylation, the HGF receptor associates with the Shc adaptor, via the SH2 domain. Site-directed mutagenesis of the HGF receptor indicates that phosphotyrosines Y1349VHV and Y1356VNV can work as docking sites for Shc. The Kd of this interaction, measured in real time using synthetic phosphopeptides and recombinant Shc on a BIAcore biosensor, is 150 nm for both sites. After stimulation of the HGF receptor, Shc is phosphorylated on Y317VNV, generating an high affinity binding site for Grb2 (Kd = 15 nM). This duplicates the high affinity binding site for Grb2 present on the HGF receptor (Y1356VNV). Thus HGF stimulation can trigger the Ras pathway by recruiting Grb2 both directly through the receptor, and indirectly, through Shc. Overexpression of wild-type Shc, but not of the Y317-->F mutant, enhances cell migration and growth in response to HGF. These data show that Shc is a relevant substrate of the HGF receptor, and works as an 'amplifier' of the motogenic as well as of the mitogenic response.

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Text Mining Data

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Manually curated Databases

In total, 21 gene pairs are associated to this article in curated databases