Table 7.

Gene expression (2^−ΔΔCt) of IL-1β, TNFα, BuChE, AChE, nAChRα7, nAChRα4 and nAChRβ2 in the hippocampus of 4- and 8-month SAMP8 mice in relation to the composite brain samples from the same mice.

	4-Month-Aged SAMP8	8-Month-Aged SAMP8
IL-1β	3.03 ± 4.23 *	2.48 ± 2.74 ***
TNFα	2.70 ± 2.96 ***	2.27 ± 2.35 ***
BuChE	1.58 ± 1.71 *	2.38 ± 2.66 ***
AChE	1.08 ± 1.14	1.84 ± 1.98 **
nAChRα7	4.11 ± 4.80 ***	8.01 ± 1.49
nAChRα4	0.72 ± 0.77	0.98 ± 1.04
nAChRβ2	1.16 ± 1.33	2.12 ± 2.44 **

Data are reported as mean ± SEM. * p < 0.05; ** p < 0.01; *** p < 0.001.