Research

Antibody helps detect protein implicated in Alzheimer’s, other diseases

Researchers use mouse brains (above) to study ways to measure the brain protein tau, which plays a role in neurodegenerative diseases such as Alzheimer's. A team led by scientists at Washington University School of Medicine in St. Louis has found a way to measure tau levels in the blood. The study, in mice and a small group of people, could be the first step toward a noninvasive test for tau.
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Damaging tangles of the protein tau dot the brains of people with Alzheimer’s and many other neurodegenerative diseases, including chronic traumatic encephalopathy, which plagues professional boxers and football players. Such tau-based diseases can lead to memory loss, confusion and, in some, aggressive behavior. But there is no easy way to determine whether people’s symptoms are linked to tau tangles in their brains.