Exogenous phosphatidylethanolamine induces apoptosis of human hepatoma HepG2 cells via the bcl-2/bax pathway

Table 1 Inhibitory effect of PE on the growth of different types of cells (mean ± SD)

Time of treatment PE (mmol/L)	24 h				48 h
	0	0.25	0.5	1	0	0.25	0.5	1
SMMC7721	0.75 ± 0.06	0.59 ± 0.03b	0.42 ± 0.02b	0.30 ± 0.02b	0.96 ± 0.03	0.42 ± 0.02b	0.36 ± 0.02b	0.30 ± 0.02b
HepG2	0.66 ± 0.08	0.54 ± 0.08b	0.48 ± 0.07b	0.40 ± 0.03b	0.81 ± 0.09	0.57 ± 0.10b	0.36 ± 0.03b	0.45 ± 0.08b
HEK293	0.63 ± 0.02	0.39 ± 0.10b	0.40 ± 0.01b	0.35 ± 0.02b	0.80 ± 0.03	0.40 ± 0.02b	0.31 ± 0.02b	0.24 ± 0.03b
HeLa	1.28 ± 0.09	1.16 ± 0.06a	1.08 ± 0.04a	0.95 ± 0.09b	1.66 ± 0.11	1.29 ± 0.01b	1.15 ± 0.05b	1.01 ± 0.06b

^aP < 0.05 and

^bP < 0.01 vs control group.