Table 1.

GFAP mRNA expression at 3, 5, and 7 days.

GFAP mRNA Expression (Relative Fold)	Day 3	Day 5	Day 7
Control	1	1	1
Chi	~1.44	~1.74	~4.16
Chi–Au 25 ppm	~2.5	~1.71	~3.92
Chi–Au 50 ppm	~3.37 *	~3.61 **	~7.96 ***
Chi–Au 100 ppm	~1.51	~1.81	~4.92

Note: * p < 0.05, ** p < 0.01, *** p < 0.001: compared with the control (TCPS).