Early genetic markers of Alzheimer's risk identified

Genetic markers that could help highlight who is at risk of developing Alzheimer's disease have been identified by US scientists.

The research in Neuron identifies mutations that affect the build-up of certain proteins in the brain.

High levels of these tau proteins increase the chance of having the disease.

UK experts said the study could help understand the changes that occur in the brains of Alzheimer's patients.

Tangles of a kind of tau called phosphorylated tau (ptau) are a hallmark of the disease.

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