Journal
JOURNAL OF INTERNATIONAL MEDICAL RESEARCH
Volume 35, Issue 3, Pages 301-306Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/147323000703500303
Keywords
Alzheimer's disease; elderly patients; serum anti-amyloid-beta antibody; diagnostic marker
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Alzheimer's disease (AD) is characterized by the deposition of senile plaques and neurofibrillary tangles in the brain. The presence of the amyloid-beta (A beta) peptide in senile plaques seems to play a central role in the neuropathology of AD. Diagnosis of AD involves neuropsychological examinations or magnetic resonance imaging and, to date, a specific diagnostic marker indicating AD has not been found. This study analysed anti-A beta antibodies from the serum of 153 patients with AD using an enzyme-linked immunosorbent assay method. The levels of anti-A beta antibody from patients in the control group (n = 193) were compared with those of patients with AD. Our results showed a significantly lower anti-A beta antibody level in patients with AD than in the control group. These results showed that the anti-A beta antibody level in serum could potentially be used to diagnose the presence of AD.
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