Abstract
Nanodiscs are emerging as valuable tools for studying lipid-protein interactions. In this study, we demonstrate the dual role of nanodiscs in modulating human amylin (hIAPP) fibrillation using NMR and HS-AFM. Peptide-based nanodiscs promote hIAPP fibrillation, while polymer-based nanodiscs inhibit aggregation. These findings broaden the applications of nanodiscs beyond structural studies.