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- _5 value "SDF1alpha resulted in rapid activation of the extracellular signal-regulated kinase (ERK)1/2. This SDF1alpha-induced ERK activity was dose dependent and could be inhibited by pre-treatment of the cells with either pertussis toxin, an inactivator of G-protein-coupled receptors, or PD98059, a MEK1 inhibitor. Concomitant with ERK activation, SDF1alpha also activated the downstream transcription factor Ets, a substrate for ERK phosphorylation. Further, downstream activation of genes associated with cell survival, differentiation and migration was assessed using a G-protein-coupled receptor pathway-focused microarray. We found that 23 genes, including PDK1, Egr-1, Grm5, and E-selectin, were up-regulated by SDF1alpha." provenance.
- _5 wasQuotedFrom 15816868 provenance.