Table 1.

Comparison of ERK2 mRNA expression in astroglial cultures exposed to 1.0 μmol/L lead, with and without bFGF pretreatment (χ¯±s, n=3)

Time (min)	ERK2/β-actin
	Pb	bFGF+Pb▲
0 (control)	0.915±0.006	0.963±0.004
5	1.052±0.004*	0.964±0.004
15	1.108±0.006*	0.964±0.004
30	1.061±0.003*	0.964±0.003
60	0.940±0.007	0.963±0.007
120	0.926±0.007	0.964±0.003

^▲Cells were treated with 1.0 μmol/L Pb acetate for 0, 5, 15, 30, 60 or 120 min after bFGF incubation for 1 h

^*Compared with the control in the respective groups, P<0.05