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Full-Text Articles in Molecular, Genetic, and Biochemical Nutrition
Gene-Environment Interaction Of Body Mass Index And Apolipoprotein E Ε4 Allele On Cognitive Decline, Kumar B. Rajan, Kimberly A. Skarupski, Heather E. Rasmussen, Denis A. Evans
Gene-Environment Interaction Of Body Mass Index And Apolipoprotein E Ε4 Allele On Cognitive Decline, Kumar B. Rajan, Kimberly A. Skarupski, Heather E. Rasmussen, Denis A. Evans
Department of Nutrition and Health Sciences: Faculty Publications
Genetic variation alone may not account for common chronic disease susceptibility. Rather, an interaction between genetic and environmental factors may clarify the underlying disease mechanism. Hence, we tested whether BMI modified the genetic association of the Apolipoprotein E (APOE) ε4 allele with cognitive decline. The data came from a longitudinal population-based sample of 4,055 participants interviewed at 3-year intervals from 1993 to 2012. Cognitive function was assessed using a standardized global cognitive score and BMI was assessed at baseline and classified as normal, overweight, and obese. There were 1,374 (34%) participants with the ε4 allele. In normal BMI participants, cognitive …