TABLE 1.

Caffeine does not mediate premature DNA condensation in cells with Cdk2-dn induction^a

Transfection	Condensed nuclei (%)b
	+Tet	−Tet
No caffeine	5.3 ± 0.9	3.2 ± 2.6
Caffeine	20 ± 2.0	5.1 ± 2.4

^aCells were synchronized with HU, released for 4 h, incubated with 1 mM caffeine for another 8 h, fixed, and stained with bisbenzimide (Hoechst). 

^bMean ± standard deviation from three independent experiments.