Effects of Wei Chang An on expression of multiple genes in human gastric cancer grafted onto nude mice

Table 2 WCA-induced effects on gastric cancer cell SGC-7901

Group	n	PCNA						TUNEL		Cleaved caspase-3 (Asp 175) (%)
		Positive rate (%)	P value	Intense positive rate (%)	P value	Total positive rate (%)	P value	Apoptotic index (%)	P value	Positive rate (%)	P value
WCA	8	35.73 ± 6.01	0.0005b	3.39 ± 1.48	0.0155a	39.03 ± 7.37	0.0009b	9.72 ± 4.51	0.0007b	5.20 ± 2.26	0.0367a
5-FU	9	37.86 ± 16.50	0.0325a	5.62 ± 4.21	0.1972	43.48 ± 19.77	0.0406a	5.74 ± 1.75	0.0007b	4.73 ± 1.76	0.0451a
Control	8	53.48 ± 9.34		8.78 ± 5.43		62.26 ± 13.80		2.45 ± 1.37		2.82 ± 1.84

Data are expressed in mean ± SD.

^aP < 0.05 vs control group;

^bP < 0.01 vs control group.