However, while the level of Aβ42 in blood is not by itself a good biomarker for AD, the Aβ42:Aβ40 ratio has gained attention as a plasma biomarker that predicts amyloid-PET status regardless of ...
The longstanding theory is that Alzheimer’s occurs when a protein called amyloid-beta 42 (Aβ42) transforms into plaques that build up in the brain, causing damage to neural cells and leading to ...
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