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J Clin Lab Anal. 1990;4(5):367-75.

Antibodies to viral antigens, xenoantigens, and autoantigens in Alzheimer's disease.

Author information

1
Laboratoire de Virologie, Centre Hospitalier Universitaire, Grenoble, France.

Abstract

Sera from 19 patients with Alzheimer's disease (AD) and 21 control subjects were studied by immunofluorescence and enzyme immunoassay for antibody activity against various viruses and 12 self- and non-self-antigens. Total IgG mean level was significantly higher in the AD group; the IgG level was above 15 g/L in 52.8% of AD patients versus 14.3% of control subjects. Antiviral antibody titers showed no significant differences except for antibodies to herpes simplex virus-1, which were increased in control group. In contrast, autoantibodies were more frequently found in AD patients, and the prevalence of antibodies to spectrin, peroxidase, and thyroglobulin was significantly increased. Thus, in our series, autoimmune but not antiviral responses were heightened in at least 42% of AD patients (versus 9% of the control group) suggesting the existence of two subpopulations in the AD group.

PMID:
2172499
[Indexed for MEDLINE]

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