Search results for "SRC Family Tyrosine Kinase"

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Coupling of endothelin receptors to the ERK/MAP kinase pathway. Roles of palmitoylation and G(alpha)q.

2001

Endothelins are potent mitogens that stimulate extracellular signal-regulated kinases (ERK/MAP kinases) through their cognate G-protein-coupled receptors, ET(A) and ET(B). To address the role of post-translational ET receptor modifications such as acylation on ERK activation and to identify relevant downstream effectors coupling the ET receptor to the ERK signaling cascades we have constructed a panel of palmitoylation-deficient ET receptor mutants with differential G(alpha) protein binding capacity. Endothelin-1 stimulation of wild-type ET(A) or ET(B) induced a fivefold to sixfold increase in ERK in COS-7 and CHO cells whereas full-length nonpalmitoylated ET(A) and ET(B) mutants failed to …

MAPK/ERK pathwayGs alpha subunitInsectaMAP Kinase Signaling SystemBlotting WesternMolecular Sequence DataPalmitic AcidSRC Family Tyrosine KinaseBiochemistryCell LineCricetinaeArrestinTumor Cells CulturedAnimalsHumansAmino Acid SequenceReceptorMitogen-Activated Protein Kinase 1KinaseChemistryReceptors EndothelinCell MembraneHeterotrimeric GTP-Binding ProteinsCell biologyEnzyme ActivationErbB ReceptorsType C PhospholipasesCOS CellsMutationcardiovascular systemMutagenesis Site-DirectedPhosphorylationGTP-Binding Protein alpha Subunits Gq-G11Mitogen-Activated Protein KinasesProto-oncogene tyrosine-protein kinase SrcEuropean journal of biochemistry
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