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- _4 value "In fibroblasts, Shp2 undergoes phosphorylation at two C-terminal tyrosyl residues in response to some (fibroblast growth factor and platelet-derived growth factor (PDGF)) but not all (epidermal growth factor and insulin-like growth factor) growth factors. To clarify the role of Shp2 tyrosyl phosphorylation, we infected Shp2-mutant fibroblasts with retroviruses expressing wild type Shp2 or mutants of either (Y542F or Y580F) or both (Y542F,Y580F) C-terminal tyrosines. Compared with wild type cells, ERK activation was decreased in Y542F- or Y580F-infected cells in response to fibroblast growth factor and PDGF but not the epidermal growth factor. " provenance.
- _4 wasQuotedFrom 12923167 provenance.