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Alzheimers xray

US scientists have found that complete or partial removal of an enzyme that regulates fatty acid levels improves cognitive deficits in a mouse model of Alzheimer’s disease, according to a new paper in Nature Neuroscience.

The researchers from the Gladstone Institute of Neurological Disease have identified specific fatty acids that may contribute to Alzheimer’s disease as well as a novel therapeutic strategy.

Fatty acids are rapidly taken up by the brain and incorporated into phospholipids, a class of fats that form the membrane or barrier that shields the content of cells from the external environment. The scientists used a large scale profiling approach ("lipidomics") to compare many different fatty acids in the brains of normal mice with those in a mouse model of Alzheimer's disease that develops memory deficits and many pathological alterations seen in the human condition.

This is cause for cautious optimism, as fatty acid levels can be controlled to some extent by diet.