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Table 1 The levels of Aβ in the brains of mice of each genotype and age

From: Reduction of low-density lipoprotein receptor-related protein (LRP1) in hippocampal neurons does not proportionately reduce, or otherwise alter, amyloid deposition in APPswe/PS1dE9 transgenic mice

Age (month)

Cre

N

Aβ40 (pg/mg brain)

Aβ42 (pg/mg brain)

ratio 40/42

   

Average

STDEV.P

P -value

Average

STDEV.P

P -value

 

8

-

3

1,257

1,022

0.40

271

193

0.45

4.6

 

+

3

481

315

 

142

75

 

3.4

9

-

17

2,024

1,192

0.90

399

192

0.71

5.1

 

+

12

2,074

746

 

421

116

 

4.9

15

-

4

4,235

946

0.65

1,015

104

0.74

4.2

 

+

4

4,582

823

 

972

188

 

4.7

16 to 18

-

4

4,445

1,135

0.74

971

181

0.79

4.6

 

+

5

4,830

1,777

 

1,020

289

 

4.7

  1. There was no difference in the levels of Aβ40 and 42 in the brains of mouse expressing APPswe/PS1dE9 gene in the LRP1 lox/lox homozygous background in the absence or presence of the GFAP-Cre transgene in any given age group.