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Dementia. 1995 Jan-Feb;6(1):17-20.

Elevated alpha 1-antichymotrypsin serum levels in a subset of nondemented first-degree relatives of Alzheimer's disease patients.

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1
Department of Psychiatry, Mount Sinai School of Medicine, New York, N.Y. 10029, USA.

Abstract

A portion of Alzheimer's disease (AD) patients have elevated serum levels of the acute phase reactant alpha 1-antichymotrypsin (A1ACT) compared to age-matched controls. We measured serum levels of A1ACT in AD patients, age-matched controls, Down's syndrome patients, and nondemented first-degree relatives of AD patients. Significantly elevated levels of A1ACT were found in both AD patients and first-degree-relatives. In AD patients, serum A1ACT concentrations decreased with increasing severity of cognitive impairment. These results may suggest that inflammatory phenomena may be an early component of AD pathophysiology.

PMID:
7728215
[Indexed for MEDLINE]
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