Blood phosphorylated tau elevation as a biomarker in immunoglobulin light chain and transthyretin amyloidosis
11 March 2026 at 08:00
Nature Medicine, Published online: 11 March 2026; doi:10.1038/s41591-026-04272-2
Elevated serum levels of phosphorylated tau are not specific to Alzheimer’s disease and may also serve as a diagnostic tool for the most common types of systemic amyloidosis, with potential utility in distinguishing amyloidosis-related polyneuropathy from polyneuropathy of other etiologies.