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Updated: Jun 25, 2026

Generalized Psychophysiological Interaction (PPI) Analysis of Memory Related Connectivity in Individuals at Genetic Risk for Alzheimer's Disease
Published on: November 14, 2017
No association between CALHM1 and risk for Alzheimer dementia in a Belgian population
Kristel Sleegers1, Nathalie Brouwers, Karolien Bettens
1Neurodegenerative Brain Diseases Group, Department of Molecular Genetics, VIB, University of Antwerp, Antwerpen, Belgium.
Abstract:
A non-synonymous polymorphism, rs2986017 (p.P86L), in the newly characterized calcium homeostasis modulator 1 (CALHM1) gene located in the Alzheimer dementia (AD) linkage region on 10q24.33, was reported to increase risk of AD, and affect calcium homeostasis and amyloid beta accumulation. We aimed to investigate the association between this functional polymorphism and AD in an independent study population. We genotyped rs2986017 in 362 Belgian AD patients and 519 ethnically matched control individuals. We found no evidence of association between rs2986017 and risk of disease, nor did we find an effect on onset age. Despite its functional properties, our study suggests the polymorphism does not contribute significantly to AD risk in the Belgian population.
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