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Tau PET tracer shows promise in untreatable palsy type

Researchers found that PET with the breakthrough tau radiotracer F-18 PI-2620 effectively differentiated people with progressive supranuclear palsy from healthy controls and accurately identified 4-repeat tau protein accumulation in different brain regions as a "pathological hallmark" of the disease. The findings, published in JAMA Neurology, suggest that the radiotracer may lead to earlier and more dependable diagnosis of PSP, which is currently untreatable and fatal, as well as other neurodegenerative diseases, researchers wrote.

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