Table 2.

Immunohistochemically-positive cell counting

Group	n	Aβ (μmol/l)	Count of Immunoreactive PC12 cell (x̅ ± s)
			Caspase12	CHOP	GRP78
Con	9	0	10.2±2.2	13.1±2.9	8.5±2.1
Aβ	9	20	75.4±6.8a	65.8±5.6a	62.8±5.4a
Ex-4	9	20	55.5±5.4b	48.5±4.2b	46.3±4.3b
Ex9-39	9	20	70.8±5.6c	60.1±4.4c	58.5±5.2c

^a P<0.05 vs. the control.

^b P<0.05 vs. the control.

^c P<0.05 vs. the control.