Serum inflammatory proteins and cognitive decline in older persons - PubMed (original) (raw)

Serum inflammatory proteins and cognitive decline in older persons

M G Dik et al. Neurology. 2005.

Abstract

Objective: To assess whether serum levels of the inflammatory proteins alpha(1)-antichymotrypsin (ACT), C-reactive protein (CRP), interleukin-6 (IL-6), and albumin are associated with cognitive decline in older persons.

Methods: The study sample consisted of 1,284 participants in the Longitudinal Aging Study Amsterdam, aged 62 to 85 years. Cognition was assessed on general cognition (Mini-Mental State Examination [MMSE]), memory (Auditory Verbal Learning Test), fluid intelligence (Raven's Colored Progressive Matrices), and information-processing speed (Coding Task) at baseline and at 3-year follow-up.

Results: The highest tertile of ACT was associated with an increased risk of decline on the MMSE (age-, sex-, education-adjusted odds ratio [OR] 1.60; 95% CI: 1.05 to 2.43) but not on any other cognitive test score. CRP, IL-6, and albumin were not associated with cognitive decline on any cognitive test in our study.

Conclusions: This population-based study showed that the serum inflammatory protein alpha1-antichymotrypsin is associated with cognitive decline in older persons, whereas C-reactive protein, interleukin-6, and albumin are not.

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Serum inflammatory proteins and cognitive decline in older persons - PubMed (original) (raw)