S-adenosyl methionine (SAM) contributes to multiple pathways in neuronal homeostasis, several of which are compromised in age-related neurodegeneration and Alzheimer's disease. Dietary supplementation of transgenic mice with SAM maintained acetylcholine levels, cognitive performance, oxidative buffering capacity, and phosphatase activity, and reduced aggression, calcium influx, endogenous PS-1 expression, γ-secretase activity, and levels of amyloid-β (Aβ) and phospho-tau. Herein, we examined...
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