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Twins Study Indicates Environmental Factors Significant in Alzheimer s Pathology

New PET tracer detects hallmark of Alzheimer s disease years before symptoms emerge

 E-Mail IMAGE: Tau accumulation over one year measured in composite A) mesial temporal ROI; and B) temporoparietal ROI in cognitively unimpaired participants (blue) and cognitively impaired participants (red). The CI group included. view more  Credit: Image created by N Krishnadas et al. Florey Department of Neurosciences & Mental Health, The University of Melbourne; Department of Molecular Imaging & Therapy, Austin Hospital, Melbourne. Reston, VA (Embargoed until 7:30 p.m. EDT, Monday, June 14, 2021) A novel positron emission tomography (PET) radiotracer has been shown to effectively measure increases in brain tau a distinguishing characteristic of Alzheimer s disease before any symptoms of the disease are observed. With the potential to measure increases in tau over a long period of time, this tracer offers an important tool to assess the effectiveness of Alzheimer s disease treatments in clinical trials. This research was presented at the Society of Nuclear Medicine

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