Cholesterol secosterol adduction inhibits the misfolding of a mutant prion protein fragment that induces neurodegeneration.

[Image: see text] Cholesterol sterol aldehydes inhibit the misfolding of a prion protein fragment that induces GSS in mice. Atheronal-B completely inhibits the α to β-form transformation of MoPrP(89-143, P101L) a mechanism that involves adduction to the protein. This result offers a paradigm shift in lipid aldehyde induced protein misfolding and offers a new molecular scaffold on which to develop new potential prion disease therapeutics