A broader panel of protein markers could lead to better blood tests for Alzheimer's

In Alzheimer's disease, amyloid plaques signifier successful the brain, followed by threadlike structures made of the macromolecule tau. Both changes person toxic effects connected the brain's nervus cells years earlier dementia symptoms appear. Historically, diagnosis has chiefly relied connected cognitive changes, which manifest astatine a aboriginal signifier of the disease. Biomarker-based diagnostics were initially constricted to specialized clinics susceptible of performing cerebrospinal fluid sampling oregon PET scans.