Âé¶¹´«Ã½

Health

Neurons with double DNA implicated in Alzheimer's

By Andy Coghlan

11 May 2011

Âé¶¹´«Ã½. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

Alzheimer’s shrinks the brain

(Image: Pasieka/SPL)

A STRANGE property marks out the brain cells of people with Alzheimer’s: they have a glut of cells with more than the standard two sets of chromosomes. Furthermore, these turn out to be the cells most likely to perish in the late stages of the disease. The twin discoveries could drive research into one of the modern world’s most devastating neurological conditions in an entirely new direction.

No one can agree on the cause of Alzheimer’s disease. While much of the focus has been on the plaques that clog up the brains of sufferers,…

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