Genetic variation in the interleukin-1 beta-converting enzyme associates with cognitive function. The PROSPER study

S. Trompet, A.J.M. De Craen, P. Slagboom, J. Shepherd, G.J. Blauw, M.B. Murphy, E.L.E.M. Bollen, B.M. Buckley, I. Ford, Allan Gaw, P.W. Macfarlane, C.J. Packard, D.J. Stott, J.W. Jukema, R.G.J. Westendorp

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Abstract

Inflammation is thought to play an important role in the development of cognitive decline and dementia in old age. The interleukin-1 signalling pathway may play a prominent role in this process. The gene encoding for interleukin-1 beta-converting enzyme (ICE) is likely to influence IL-1 beta levels. Inhibition of ICE decreases the age-related increase in IL-1 beta levels and may therefore improve memory function. We assessed whether genetic variation in the ICE gene associates with cognitive function in an elderly population. All 5804 participants of the PROspective Study of Pravastatin in the Elderly at Risk (PROSPER) were genotyped for the 10643GC, 9323GA, 8996AG and 5352GA polymorphisms in the ICE gene. Cross-sectional associations between the polymorphisms and cognitive function were assessed with linear regression. Longitudinal associations between polymorphisms, haplotypes and cognitive function were assessed with linear mixed models. All associations were adjusted for sex, age, education, country, treatment with pravastatin and version of test where appropriate. Subjects carrying the variants 10643C and 5352A allele had significantly lower IL-1 beta production levels (P
Original languageEnglish
Pages (from-to)1069-1077
Number of pages9
JournalBrain
Volume131
Issue number4
DOIs
Publication statusPublished - Apr 2008

ASJC Scopus subject areas

  • Neuroscience(all)

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    Trompet, S., De Craen, A. J. M., Slagboom, P., Shepherd, J., Blauw, G. J., Murphy, M. B., Bollen, E. L. E. M., Buckley, B. M., Ford, I., Gaw, A., Macfarlane, P. W., Packard, C. J., Stott, D. J., Jukema, J. W., & Westendorp, R. G. J. (2008). Genetic variation in the interleukin-1 beta-converting enzyme associates with cognitive function. The PROSPER study. Brain, 131(4), 1069-1077. https://doi.org/10.1093/brain/awn023