Table 2.

Effect of 5b on cell cycle progression in A549 cells after 72 h treatment.

Sample	Cell cycle distribution (%)a
	%Sub-G1	%G1	%S	% G2/M
A549	1.14 ± 0.12	9.12 ± 1.34	71.62 ± 1.64	18.12 ± 2.86
5b/A549	0.54 ± 0.09	23.19 ± 2.18*	37.66 ± 4.19*	38.61 ± 2.11*

^aValues are given as mean ± SEM of two independent experiments.

*p < 0.05 indicates statistically significant differences from the corresponding control (A549) group in unpaired t-tests.