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  "path": "/news/2026-06-brain-messenger-protein-alzheimer-disease.html",
  "publishedAt": "2026-06-26T16:00:04.000Z",
  "site": "https://medicalxpress.com",
  "textContent": "Alzheimer's disease is driven by a buildup of a toxic protein called Tau that kills neurons. As toxic Tau spreads to new regions of the brain, symptoms worsen and ultimately become fatal.",
  "title": "How a brain messenger protein drives progression of Alzheimer's disease"
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