We have used circular dichroism spectroscopy to confirm that, in a membrane-mimicking solvent, A beta P(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 beta-amyloid and may have important implications for the pathogenesis of Alzheimer's disease.
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Exley et al. (1993) studied this question.
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