Another Alzheimer’s Blood Test?

Researchers identify a set of proteins that can predict the development of Alzheimer’s disease-related dementia with 87 percent accuracy.

Written byJef Akst
| 2 min read

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WIKIMEDIA, GARPENHOLMIdentifying biomarkers in the blood that can accurately predict whether a patient will develop Alzheimer’s disease is a major goal of current research into the neurodegenerative disorder, and while efforts have proven largely unsuccessful, there have been a few glimmers of hope in the field. This past March, Howard Federoff of Georgetown University Medical Center in Washington, DC, and his colleagues identified 10 lipids that could predict the development of dementia with 90 percent accuracy, and now an international group of researchers has found that a panel of 10 proteins shows a similar level of predictive power.

Lead researcher Simon Lovestone of King’s College London and the University of Oxford and his colleagues analyzed the blood of 452 healthy people, 220 with mild cognitive impairment, and 476 with Alzheimer’s disease, and were able to identify those who would develop cognitive impairment in the next year with 87 percent accuracy, according to the study published yesterday (July 8) in the journal Alzheimer’s & Dementia.

“Alzheimer’s begins to affect the brain many years before patients are diagnosed with the disease,” Lovestone told The Guardian. “A simple blood test could help us identify patients at a much earlier stage to take part in new trials and hopefully develop treatments which could prevent the progression of the disease.”

Unfortunately, while such tests may accurately identify those ...

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  • Jef (an unusual nickname for Jennifer) got her master’s degree from Indiana University in April 2009 studying the mating behavior of seahorses. After four years of diving off the Gulf Coast of Tampa and performing behavioral experiments at the Tennessee Aquarium in Chattanooga, she left research to pursue a career in science writing. As The Scientist's managing editor, Jef edited features and oversaw the production of the TS Digest and quarterly print magazine. In 2022, her feature on uterus transplantation earned first place in the trade category of the Awards for Excellence in Health Care Journalism. She is a member of the National Association of Science Writers.

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