Table 1

Genotype distribution of −800, −509, and +25 polymorphisms in a case–control population, and in relation to amyloid peptide (Aβ40, Abβ2, and total Abβ) in brains of patients with Alzheimer's disease

−800−509+25
GGGAAACCCTTTGGGCCC
Values are n (%) (patients) or mean (SD) (brains).
AD, Alzheimer's disease; Aβ, amyloid β peptide.
AD patients528 (83.7)98 (15.5)5 (0.8)298 (41.4)335 (46.5)87 (12.1)602 (87.8)97 (13.8)3 (0.4)
Controls550 (86.1)86 (13.4)3 (0.5)285 (42.0)307 (45.2)87 (12.8)577 (85.5)96 (14.2)2 (0.3)
AD brains (n)6071383556813
404.5 (4.2)2.0 (1.8)3.93.2 (3.1)4.8 (4.8)5.3 (3.9)4.2 (4.1)2.9 (3.4)
42(43)10.7 (4.7)12.5 (5.5)4.29.7 (4.2)11.0 (5.0)12.2 (5.3)10.8 (4.7)9.0 (4.7)
Total Aβ15.2 (7.5)14.5 (6.5)8.112.9 (5.9)15.8 (8.2)17.5 (8.3)15.0 (7.3)11.9 (6.3)