Table 1. Summary of previously published data and present results.

		Treatment		Post-treatment
Time after exposure onset		12 h	24 h	42 h	48 h
Proliferation [15]		-	▾**	▾**	▾*
Cell cycle phases [15]	G0/G1	-	▴**	-	-
	S	▴*	▾*	-	▾*
	G2/M	-	-	-	-
Cyclin expression [16]	D1	▴*	▴*	▾*	ND
	A	▴***	▾**	▾**	ND
	B1	-	▾*	-	ND
p27 expression [16]		-	▴*	▾**	ND
Apoptosis		ND	-	▴**	ND
p53		▾*/-	▴***	▾*/-	ND
Bcl-2		ND	▾**	-	ND

▴: statistically significant increase; ▾: statistically significant decrease; ND: no data; -: no significant (0.05<p); *: 0.01<p<0.05; **: 0.001≤p≤0.01; ***: p<0.001 (Student's t-test); ▾*/-: statistically significant decrease of active p53 only, no change in total p53 (see Figs. 4A and 5); [15] and [16]: previously published data, see References.