Table 1.

shows the values obtained for transgenic human Aβ species and endogenous murine Aβ species obtained by ELISAs performed on hippocampal homogenates from 7-8-month-old animals from the indicated genotype groups expressed in pmol of Aβ per gram of total protein±SEM

	Genotype
	Control (N = 8)	APP (N = 7)	LCMT + APP (N = 7)	T-test
human Aβ40	n. d.	491.7 (±47.82)	484.3 (±45.06)	t = 0.112; p = 0.9126
human Aβ42	n. d.	59.37 (±4.58)	63.21 (±5.95)	t = 0.5112; p = 0.6185
				ANOVA
murine Aβ40	16.18 (±0.276)	16.01 (±0.634)	17.23 (±0.688)	F = 1.454; p = 0.2585
murine Aβ42	7.882 (±0.496)	9.112 (±0.619)	8.707 (±0.578)	F = 1.287; p = 0.2992

(n.d., not detected)