How does amyloid mechanistically facilitate tau propagation from entorhinal cortex to neocortex?

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Description

While the study demonstrates that amyloid modifies the relationship between initial tau and subsequent spread, the molecular mechanisms by which amyloid enables or accelerates tau propagation remain unknown. This mechanistic gap limits development of targeted therapeutic strategies.

Gap type: unexplained_observation Source paper: Association of Distinct Initial β-Amyloid Levels With Tau Pathology Expansion Beyond the Entorhinal Cortex. (2025, Neurology, PMID:40906972)

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