Words similar to hek-

Example sentences for: hek-

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In the presence of the EGFR, ligand activation of LPA and ET-1 receptors did not increase EGFR phosphorylation even though both the LPA and ET-1 receptors stimulated ERK activity by 10-fold over basal [ 27 ] . Specifically, key protein intermediates may be physically associated with endogenous RTKs in HEK-293 cells, and therefore, down-regulation of the EGFR may negatively affect ERK phosphorylation by opioids.
For instance, studies from two laboratories reported marked differences in the way the β 2 -adrenergic receptor (β 2 -AR) activates ERK 1 and 2 in HEK-293 cells.
We have shown that δ-opioids increase the phosphorylation of ERKl/2 in HEK-293 cells when the mouse wild type (WT) δ-OR is stably expressed [ 11 13 ] . The concentrations required to observe DSLET-mediated ERK phosphorylation (EC 50 = 10 nM; Figure 1a) are consistent with those reported for other δ-OR-mediated events, including G protein activation and adenylyl cyclase inhibition [ 16 17 ] . Moreover, no change in total ERK expression was observed, concomitantly, with ERK phosphorylation in any of our experiments (data not shown).
WT-δ-OR-expressing HEK-293 cells were exposed to increasing concentrations of either DSLET (1-1000 nM) or EGF (0.
In conclusion, we report that the δ-OR agonist, DSLET, induces significant ERK activation in the absence of any increase in phosphorylation of the co-expressed EGFR in HEK-293 cells.