Blood phosphorylated tau elevation as a biomarker in immunoglobulin light chain and transthyretin amyloidosis.
Elevated blood levels of phosphorylated tau (p-tau) are diagnostic of Alzheimer disease and are associated with the deposition of amyloid-β in the cerebral neuropil. Elevated p-tau levels have also been associated with cerebral deposition of Danish amyloid and prion protei…