New potential cause for Alzheimer's: Arginine deprivation caused by overconsumption by immune cells

A new study suggests that in Alzheimer's disease, certain immune cells in the brain abnormally consume an important nutrient: arginine. Blocking this process with a small-molecule drug prevented the characteristic brain plaques and memory loss in a mouse model of the disease. Published in the Journal of Neuroscience, the research not only points to a new potential cause of Alzheimer's but also may eventually lead to a new treatment strategy.

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