jad_2016_53-2_jad-53-2-jad150860_jad-53-jad150860.pdf (445.96 kB)
Dihydropyridine derivatives modulate heat shock responses and have a neuroprotective effect in a transgenic mouse model of Alzheimer’s disease
journal contribution
posted on 2023-06-15, 20:45 authored by Ágnes Kasza, Ákos Hunya, Zsuzsa Frank, Ferenc Fülöp, Zsolt Török, Gábor Balogh, Miklós Sántha, Árpád Bálind, Sándor Bernáth, Katie L I M Blundell, Chrisostomos ProdromouChrisostomos Prodromou, Ibolya Horváth, Hans-Joachim Zeiler, Philip L Hooper, László Vigh, Botond PenkeHeat shock proteins (Hsps) have chaperone activity and play a pivotal role in the homeostasis of proteins by preventing misfolding, by clearing aggregated and damaged proteins from cells and by maintaining proteins in an active state. Alzheimer’s disease (AD) is thought to be caused by ß- amyloid peptide that triggers tau hyperphosphorylation, which is neurotoxic. Although proteostasis capacity declines with age and facilitates the manifestation of neurodegenerative diseases such as AD, the upregulation of chaperones improves prognosis. Our research goal is to identify potent Hsp co-inducers that enhance protein homeostasis for the treatment of AD, especially 1,4-dihydropyridine derivatives optimized for their ability to modulate cellular stress responses. Based on favorable toxicological data and Hsp co-inducing activity, LA1011 was selected for the in vivo analysis of its neuroprotective effect in the APPxPS1 mouse model of AD. Here, we report that 6 months of LA1011 administration effectively improved the spatial learning and memory functions in wild type mice and eliminated neurodegeneration in double mutant mice. Furthermore, Hsp co-inducer therapy preserves the number of neurons, increases dendritic spine density, and reduces tau pathology and amyloid plaque formation in transgenic AD mice. In conclusion, the Hsp co-inducer LA1011 is neuroprotective and therefore is a potential pharmaceutical candidate for the therapy of neurodegenerative diseases, particularly AD.
History
Publication status
- Published
File Version
- Published version
Journal
Journal of Alzheimer's DiseaseISSN
1387-2877Publisher
IOS PressExternal DOI
Issue
2Volume
53Page range
557-571Department affiliated with
- Biochemistry Publications
Full text available
- Yes
Peer reviewed?
- Yes
Legacy Posted Date
2016-04-11First Open Access (FOA) Date
2017-03-02First Compliant Deposit (FCD) Date
2017-03-02Usage metrics
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