Is there a reagent I can use to activate the Ras-MEK-ERK1/2 pathway but not activate JNK?

I am using cultured HEK293 cells and my readout for ERK1/2 activity is western blot using antibodies to pERK (pThr202/Try204) & pELK1 (Ser383). Thanks.

10 November 2014 9,330 4 View