Pharmacological modulation of septins restores calcium homeostasis and is neuroprotective in models of Alzheimer’s disease

Author:

Princen Katrien1ORCID,Van Dooren Tom1ORCID,van Gorsel Marit1ORCID,Louros Nikolaos23ORCID,Yang Xiaojuan4ORCID,Dumbacher Michael1,Bastiaens Ilse1,Coupet Kristel1,Dupont Shana1,Cuveliers Eva1ORCID,Lauwers Annick1ORCID,Laghmouchi Mohamed1,Vanwelden Thomas1,Carmans Sofie1,Van Damme Nele1ORCID,Duhamel Hein1ORCID,Vansteenkiste Seppe1,Prerad Jovan1,Pipeleers Karolien1,Rodiers Olivier1,De Ridder Liese1,Claes Sofie1,Busschots Yoni1,Pringels Lentel1,Verhelst Vanessa1ORCID,Debroux Eveline1ORCID,Brouwer Marinka5,Lievens Sam67,Tavernier Jan67,Farinelli Melissa8ORCID,Hughes-Asceri Sandrine8ORCID,Voets Marieke1ORCID,Winderickx Joris19ORCID,Wera Stefaan110,de Wit Joris5ORCID,Schymkowitz Joost23ORCID,Rousseau Frederic23ORCID,Zetterberg Henrik1112131415ORCID,Cummings Jeffrey L.16ORCID,Annaert Wim4ORCID,Cornelissen Tom1ORCID,De Winter Hans17ORCID,De Witte Koen1,Fivaz Marc1ORCID,Griffioen Gerard1ORCID

Affiliation:

1. reMYND NV, Bio-Incubator, 3001 Leuven-Heverlee, Belgium.

2. Switch Laboratory, VIB Center for Brain and Disease Research, 3000 Leuven, Belgium.

3. Switch Laboratory, Department of Cellular and Molecular Medicine, KU Leuven, 3000 Leuven, Belgium.

4. Laboratory for Membrane Trafficking, VIB-Center for Brain and Disease Research and Department of Neurosciences, Leuven Brain Institute, 3000 Leuven, Belgium.

5. Laboratory of Synapse Biology, VIB Center for Brain & Disease Research and KU Leuven Department of Neurosciences, Leuven Brain Institute, 3000 Leuven, Belgium.

6. Cytokine Receptor Lab, VIB Center for Medical Biotechnology, 9052 Ghent, Belgium.

7. Department of Biomolecular Medicine, Ghent University, 9000 Ghent, Belgium.

8. E-PHY-SCIENCE, Bioparc Sophia-Antipolis, 06410 Biot, France.

9. Functional Biology, Department of Biology, KU Leuven, 3001 Leuven-Heverlee, Belgium.

10. ViroVet NV, 3001 Leuven-Heverlee, Belgium.

11. Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, the Sahlgrenska Academy at the University of Gothenburg, S-431 80 Mölndal, Sweden.

12. Clinical Neurochemistry Laboratory, Sahlgrenska University Hospital, S-431 80 Mölndal, Sweden.

13. Department of Neurodegenerative Disease, UCL Queen Square Institute of Neurology, London WC1N 3BG, UK.

14. UK Dementia Research Institute at UCL, London WC1E 6BT, UK.

15. Hong Kong Center for Neurodegenerative Diseases, Clear Water Bay, Hong Kong, China.

16. Chambers-Grundy Center for Transformative Neuroscience, Department of Brain Health, School of Integrated Health Sciences, University of Nevada, Las Vegas, Las Vegas, NV 89154, USA.

17. Laboratory of Medicinal Chemistry, Department of Pharmaceutical Sciences, University of Antwerp, 2610 Wilrijk, Belgium.

Abstract

Abnormal calcium signaling is a central pathological component of Alzheimer’s disease (AD). Here, we describe the identification of a class of compounds called ReS19-T, which are able to restore calcium homeostasis in cell-based models of tau pathology. Aberrant tau accumulation leads to uncontrolled activation of store-operated calcium channels (SOCCs) by remodeling septin filaments at the cell cortex. Binding of ReS19-T to septins restores filament assembly in the disease state and restrains calcium entry through SOCCs. In amyloid-β and tau-driven mouse models of disease, ReS19-T agents restored synaptic plasticity, normalized brain network activity, and attenuated the development of both amyloid-β and tau pathology. Our findings identify the septin cytoskeleton as a potential therapeutic target for the development of disease-modifying AD treatments.

Publisher

American Association for the Advancement of Science (AAAS)

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