Improve Tau Tangle Detection with Emerging Plasma eMTBR-Tau, Upcoming Webinar Hosted by Xtalks

In this free webinar, learn how ultrasensitive protein detection can enable measurement of plasma eMTBR-Tau, an emerging biomarker associated with tau tangle pathology in Alzheimer's disease. The featured speakers will discuss how eMTBR-Tau differs from established phosphorylated tau biomarkers and what it may reveal about disease biology. Attendees will also explore potential applications in biomarker research, longitudinal studies and therapeutic development.

TORONTO, Sept. 16, 2026 /PRNewswire/ -- Alzheimer's disease involves multiple pathological processes that emerge and evolve across the disease continuum, creating a need for biomarkers that capture different aspects of disease biology. Plasma phosphorylated tau biomarkers, particularly pTau 217, have demonstrated strong associations with amyloid pathology, however no single biomarker captures the full complexity of disease biology. This webinar explores how ultrasensitive protein detection enables the measurement of plasma eMTBR-Tau, an emerging blood-based biomarker associated with tau tangle pathology in Alzheimer's disease.

Additional biomarkers are needed to investigate the accumulation of insoluble tau aggregates and neurofibrillary tangles, which are more closely associated with disease stage and cognitive decline.

The endogenous microtubule-binding region of tau, or eMTBR-Tau, is enriched in the filament cores that form neurofibrillary tangles. Emerging evidence indicates that specific MTBR-Tau fragments in biofluids may offer a blood-based window into tau aggregate pathology. Measuring these extremely low-abundance species in plasma, however, requires highly sensitive and specific analytical methods.

The webinar will provide an overview of an ultrasensitive, homogeneous, wash-free immunoassay approach and explain how standard qPCR readout support measurement of low-abundance protein biomarkers from 1 µL sample volumes. The featured speakers will also discuss the evolving landscape of blood-based tau biomarkers and explain how eMTBR-Tau offers distinct biological insights from established phosphorylated tau markers. The panelist will examine the potential role of plasma eMTBR-Tau in studying the transition from early amyloid-associated tau changes to more advanced tau tangle pathology.

The speakers will review results from amyloid- and tau-PET–characterized research cohorts. They will also discuss potential applications in Alzheimer's disease research, biomarker validation, longitudinal studies and therapeutic development.

Register for this webinar to learn how eMTBR-Tau may expand the blood biomarker toolkit for investigating tau tangle pathology in Alzheimer's disease.

Join Dr. Tracy Liu, Director, Product Management, Spear Bio; and Thomas Karikari, PhD, Associate Professor of Psychiatry, Director, Biofluid Biomarker Laboratory, University of Pittsburgh School of Medicine, for the live webinar on Friday, October 2, 2026, at 11 am EDT (5pm CEST / EU-Central).

For more information, or to register for this event, visit Improve Tau Tangle Detection with Emerging Plasma eMTBR-Tau.

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