Table 4.

Influence of NCTD on expression of MMP₂, TIMP₂ proteins and the MMP₂ to TIMP₂ ratio of GBC-SD cells.

Group	NCTD (mg/mL)	n	Percent of protein expression (%)		MMP2/TIMP2
			MMP2	TIMP2
Control	0	10	62.82±3.20	13.42±1.27	4.68
NCTD	5	10	34.61±1.82a	30.79±2.15a	1.12b
	10	10	27.02±1.40a	34.22±2.97a	0.79b
	20	10	26.18±1.81a	35.60±2.04a	0.74b
	40	10	19.56±2.36 a	29.54±2.33a	0.66b

^aP<0.05 vs control group;

^bP<0.01 vs control group.