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Alzheimer’s disease (AD) is linked to the abnormal accumulation of amyloid β peptide (Aβ) aggregates in the brain. Silybin B, a natural compound extracted from milk thistle (Silybum marianum), has been shown to significantly inhibit Aβ aggregation in vitro and to exert neuroprotective properties in vivo. However, further explorations of silybin B’s clinical potential are currently limited by three main factors: (a) poor solubility, (b) instability in blood serum, and (c) only partial knowledge of silybin’s mechanism of action. Here, we address these three limitations. We demonstrate that conjugation of a trehalose moiety to silybin significantly increases both water solubility and stability in blood serum without significantly compromising its antiaggregation properties. Furthermore, using a combination of biophysical techniques with different spatial resolution, that is, TEM, ThT fluorescence, CD, and NMR spectroscopy, we profile …
American Chemical Society
Publication date: 
20 Jul 2020

Sara García-Viñuales, Rashik Ahmed, Michele FM Sciacca, Valeria Lanza, Maria Laura Giuffrida, Stefania Zimbone, Valeria Romanucci, Armando Zarrelli, Corrado Bongiorno, Natalia Spinella, Clelia Galati, Giovanni Di Fabio, Giuseppe Melacini, Danilo Milardi

Biblio References: 
Volume: 11 Issue: 17 Pages: 2566-2576
ACS Chemical Neuroscience