Table 3

Aβ ELISA Values

Case
Aβ40 ng/g wet weight
Aβ42 ng/g wet weight
total Aβ ng/g wet weight
ratio Aβ42/Aβ40

A79V-PSEN1
1039.59
6653.02
7692.60
6.40
A260V-PSEN1
442.61
1550.19
1992.81
3.50
F105L-PSEN1
497.31
575.18
1072.49
1.16
Y115C-PSEN1
531.35
5936.06
6467.41
11.17
A431E-PSEN1
27015.06
7530.96
34546.02
0.28
V261F-PSEN1
21373.91
3858.75
25232.66
0.18
N141I-PSEN2
1530.44
6734.30
8264.74
4.40
V261I-PSEN1
7736.66
3326.98
11063.64
0.43
M146L-PSEN1
8312.70
5680.64
13993.34
0.68
P264L-PSEN1
2452.49
6716.37
9168.86
2.74
     Average
7093.21
4856.25
11949.46
3.09
     SD
9560.57
2399.22
10429.32
3.52

sporadic AD
3815.67
2310.17
6125.84
0.61
sporadic AD
4235.19
3811.51
8046.71
0.90
sporadic AD
1524.04
2884.46
4408.50
1.89
sporadic AD
931.20
4280.58
5211.78
4.60
     Average
2626.53
3321.68
5948.21
2.00
     SD
1642.32
889.52
1565.06
1.82

ND control
40.73
148.30
189.03
3.64
ND control
42.52
114.79
157.31
2.70
     Average
41.62
131.55
173.17
3.17
     SD
1.27
23.69
22.43
0.67

PSEN = presenilin; SD = standard deviation; AD = Alzheimer's disease; ND = non-demented

Maarouf et al. Molecular Neurodegeneration 2008 3:20   doi:10.1186/1750-1326-3-20