Lucia Pastorino, Suk Ling Ma, Martin Balastik, Pengyu Huang, Darshan Pandya, Linda Nicholson, Kun Ping Lu
Abstract:Increased amyloidogenic processing of the amyloid-β protein precursor (AβPP) is a characteristic of Alzheimer's disease (AD). We previously observed that the prolyl isomerase Pin1, which is down-regulated in AD, regulates AβPP conformation accelerating cis/trans isomerization of the phospho-Thr668-Pro669 peptide bond, and that Pin1 knockout in mice increases the amyloidogenic processing of AβPP, although the underlying mechanism is still unknown. Since the intracellular localization of AβPP determines whether …
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