Table I. Distribution of the spots differentially expressed (p < 0.05, FDR) between pairwise comparisons of the different points of the time course following PACAP treatment (0 hr, 9 hr, 4 day, and 8 day), as detected by DIGE.

	N° of protein spots
	total	↑	↓
0hr - 9hr	0	0	0
0hr - 4d	47	15	32
0hr - 8d	119	51	68
9hr - 4d	27	7	20
9hr - 8d	99	35	64
4d - 8d	4	2	2