Abstract

We have used circular dichroism spectroscopy to confirm that, in a membrane-mimicking solvent, AβP(1–40) adopts a partially helical conformation and we have demonstrated the loss of this structure in the presence of physiologically relevant concentrations of aluminium. This is the first evidence of a direct biochemical interaction between aluminium and β-amyloid and may have important implications for the pathogenesis of Alzheimer's disease.

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