中药有效成分对甲基硝基亚硝基胍转化的人胃黏膜上皮细胞的毒性作用

表4 流式细胞术检测PNS、AS及Ba对MC细胞凋亡的影响(mean±SD, %)

分组	Apoptotic cells		Dead cells
	24 h	48 h	24 h	48 h
对照	2.41±0.41	4.56±1.59	7.52±1.50	8.96±3.09
PNS 200 mg/L	4.30±1.37	12.69±5.77	11.88±4.23	18.71±4.61b
AS 100 mg/L	4.98±2.08	9.23±0.82	12.16±0.66	16.10±0.34a
Ba 30 mg/L	8.56±1.61	13.05±1.06	20.58±2.67	25.84±2.95b
P+A	19.60±8.31b	38.79±16.05b	69.54±6.60b	92.96±5.44b
P+B	9.49±3.57	15.98±6.01	30.41±3.31b	35.28±5.16b
A+B	19.07±11.38b	23.72±9.97a	50.67±19.87b	61.69±5.29b
P+A+B	15.96±3.92b	40.71±16.57b	91.74±0.54b	98.42±1.26b

^aP<0.05 vs MC对照

^bP<0.01 vs MC对照.