Fig. 2.
MAPK tyrosine phosphorylation and PD98059. The MAPK tyrosine phosphorylation was determined 5 min after no additions, and the addition of 100 nM PACAP-27, 100 nM PACAP-27 plus 1 µM PD98059 and 100 nM PACAP-27 plus 10 µM PD98059. This experiment is representative of two others.