2.

盐酸地尔硫卓对人肝癌7402细胞增殖的影响

Effect of diltiazem hydrochloride on proliferation of 7402 cells (n=3, Mean±SD)

7402	12 h			24 h			48 h
	A570	IR(%)		A570	IR(%)		A570	IR(%)
*P < 0.05, **P < 0.01 comparied with the control group. IR: Inhibition ratio.
Control	0.522±1.155			0.404±0.220			0.546±0.075
25 μmol/L	0.120±0.169	0.77		0.882±0.418**	-1.18		0.476±0.089	0.13
50 μmol/L	0.180±0.154	0.66		0.965±0.342**	-1.39		0.551±0.166	-0.009
100 μmol/L	0.327±0.220	0.37		0.955±0.379**	-1.36		0.475±0.076	0.130
200 μmol/L	0.285±0.135	0.45		1.009±0.174**	-1.50		0.520±0.0600	0.057
400 μmol/L	0.067±0.111*	0.87		0.817±0.237*	-1.02		0.510±0.078	0.07