Personalized briefing
Discovery of the day · Neurology
Evaluation of CSF and plasma tau species as fluid surrogate candidates for tau PET in prodromal to moderate Alzheimer’s disease
Dear Kelly M Leyden, this is your personalized scientific intelligence briefing — curated for your work in Neurology.
Key finding
Medicine · Neurology
Discovery of the day
A new study in Alzheimer’s & Dementia demonstrates that specific tau protein species measured in cerebrospinal fluid (CSF) and plasma correlate strongly with tau PET imaging, offering a potential pathway toward more accessible biomarkers for Alzheimer’s disease (AD). Researchers evaluated multiple fluid tau analytes—including CSF C2N-eMTBR-tau243, p-tau205, p-tau217, and plasma p-tau181 and p-tau217—against [18F]GTP1 tau PET in prodromal to moderate AD subjects, finding that these measures showed comparable correlations with brain tau pathology. For your focus on blood-based proteomic biomarkers of disease activity and progression in neurodegenerative diseases, these findings directly support the clinical actionability of plasma p-tau217 and p-tau181 as surrogate fluid biomarkers for tau PET, enabling broader, multimodal correlation studies with imaging and clinical data.
Novelty
88%
Rigor
82%
Significance
92%
Validity
85%
Clarity
90%
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