ALZHEIMER DISEASE: Aβ-independent processes—rethinking preclinical AD

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The amyloid cascade hypothesis, which posits that amyloid-β accumulation is the key event in Alzheimer disease neurodegeneration, has dominated the field for 20 years. Recent findings, however, show that neuronal-injury biomarkers are independent of amyloid-β, calling for reconsideration of the pathological cascade and assessment of alternative therapeutic strategies.

Chételat, G. Nat. Rev. Neurol. 9, 123-124 (2013); published online 12 February 2013; doi:10.1038/nrneurol.2013.21

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