Evans RM, Hui S, Perkins A, Lahiri DK, Poirier J, Farlow MR. Cholesterol and APOE genotype interact to influence Alzheimer disease progression. Neurology. 2004 May 25;62(10):1869-71.

In this retrospective analysis of 443 Alzheimer disease (AD) patients from a 30-week tacrine trial, change in Alzheimer's Disease Assessment Scale score from baseline to final value was significantly associated with a total serum cholesterol/APOE genotype interaction. Disease progression in the no-APOE epsilon4 allele/high-cholesterol subgroup was greater than in the normal-cholesterol subgroups with or without epsilon4. Cholesterol levels and APOE genotype may interact to affect AD progression. The results are consistent with preclinical data on cholesterol's effects in AD.

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