A key molecular event in prion diseases is the conversion of PrP (prion protein) from its normal cellular form (PrPc) into the disease-specific form (PrPSc). The transition from PrPc to PrPSc involves a major conformational change, resulting in amorphous aggregates and/or fibrillar amyloid deposits. Here, we review several lines of evidence implicating membranes in the conversion of PrP, and summarize recent results from our own work on the role of lipid membranes in conformational transitions of prion proteins. By establishing new correlations between in vivo biological findings with in vitro biophysical results, we propose a role for lipid rafts in prion conversion, which takes into account the structural heterogeneity of PrP in different lipid environments.
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Review Article| January 01 2005
Aggregation and fibrillization of prions in lipid membranes.
Biochem Soc Symp (2005) 72: 211–222.
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Jeff McIlhinney, Nigel Hooper, Jurate Kazlauskaite, Teresa J. T. Pinheiro; Aggregation and fibrillization of prions in lipid membranes.. Biochem Soc Symp 1 January 2005; 72 211–222. doi: https://doi.org/10.1042/bss0720211
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