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    Highly accurate blood test diagnoses Alzheimer’s disease, measures extent of dementia

    April 2, 2025, Categories  Biology/Biotechnology, Health/Medical

    Kanta Horie
    WashU Medicine researcher Kanta Horie, PhD, places a sample in a mass spectrometer that measures protein levels in blood plasma and other fluids. Horie co-led the development of a blood test for Alzheimer’s disease that diagnoses and stages the disease by using mass spectrometry to measure the level of a protein called MTBR-tau243.

    Could help determine which patients are likely to benefit from new Alzheimer’s drugs. A newly developed blood test for Alzheimer’s disease not only aids in the diagnosis of the neurodegenerative condition but also indicates how far it has progressed, according to a study by researchers at Washington University School of Medicine in St. Louis and Lund University in Sweden.

    Several blood tests for Alzheimer’s disease are already clinically available, incl...

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