Gene polymorphism affecting alpha1-antichymotrypsin and interleukin-1 plasma levels increases Alzheimer's disease risk.

Licastro, F; Pedrini, S; Ferri, C; Casadei, V; Govoni, M; Pession, A; Sciacca, F L; Veglia, F et al. · Ann Neurol · 2000

case_control · Level III

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Abstract

Plasma levels of alpha1-antichymotrypsin (ACT) and interleukin-1beta (IL-1beta) were increased in patients with probable Alzheimer's disease (AD). A common polymorphism within ACT and IL-1beta genes affected plasma levels of ACT or IL-1beta, and AD patients with the ACT T,T or IL-1beta T,T genotype showed the highest levels of plasma ACT or IL-1beta, respectively. The concomitant presence of the ACT T,T and IL-1beta T,T genotypes increased the risk of AD (odds ratio: 5.606, confidence interval: 1.654-18.996) and decreased the age at onset of the disease.

Medical subject headings