Copper implicated in Alzheimer's

Copper has been shown to damage a protein that helps defend against Alzheimer's disease, according to US research.

Researchers examined brain cells from mice as well as those from people who had died from Alzheimer's. They found that copper damages a molecule known as low-density lipoprotein receptor-related protein (LRP). LRP removes amyloid beta from the brain preventing a build-up of the protein, which is known to cause Alzheimer's. The research was presented this week at the annual meeting of the Society of Neuroscience in San Diego. Pictured is a polarised light micrograph of copper sulphate crystals.

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