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A Nutritional Approach to Ameliorate Altered Phospholipid Metabolism in Alzheimer's Disease


Recently, a biomarker panel of 10 plasma lipids, including 8 phosphatidylcholine species, was identified that could predict phenoconversion from cognitive normal aged adults to amnestic mild cognitive impairment or Alzheimer's disease (AD) within 2–3 years with >90% accuracy. The reduced levels of these plasma phospholipids could reflect altered phospholipid metabolism in the brain and periphery. We show that a 24-week nutritional intervention in drug-naïve patients with very mild to mild AD significantly increased 5 of the 7 measured biomarker phosphatidylcholine species. By providing nutrients which normally rate-limit phospholipid synthesis, this nutritional intervention could be useful in asymptomatic subjects with a plasma lipid biomarker profile prognostic of AD.