Peroxisome proliferator-activated receptor-γ is essential in the pathogenesis of gastric carcinoma

Table 2 Effect of various concentrations of 15-deoxy-Δ12,14-prostaglandin-J2 (15d-PGJ₂) on proliferation, apoptosis and cell cycle of gastric carcinoma MGC803 cells after 24 h [(mean ± SD) %]

15d-PGJ2 concentration (μmol/L)	Proliferative inhibition rate	Apoptosis rate	Cell cycle distribution
			G1/G0	S	G2/M
0	0.22 ± 0.11	0.37 ± 1.03	31.33 ± 2.31	60.33 ± 1.15	8.33 ± 1.15
0.01	0.21 ± 0.10
0.1	0.21 ± 0.12
1	0.23 ± 0.12
5	7.47 ± 0.49d	7.89 ± 1.07d
10	11.49 ± 1.00d	11.41 ± 1.47d
20	14.36 ± 1.53d	14.27 ± 1.62d
30	38.23 ± 1.36d	34.64 ± 0.99d	61.33 ± 1.53d	36.00 ± 1.00d	2.67 ± 0.58b
40	57.00 ± 1.24d	55.35 ± 1.88d

^bP < 0.01,

^dP < 0.001 compared with 0 μmol/L group.