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- Title
Felodipine induces autophagy in mouse brains with pharmacokinetics amenable to repurposing.
- Authors
Siddiqi, Farah H.; Menzies, Fiona M.; Lopez, Ana; Stamatakou, Eleanna; Karabiyik, Cansu; Ureshino, Rodrigo; Ricketts, Thomas; Jimenez-Sanchez, Maria; Esteban, Miguel Angel; Lai, Liangxue; Tortorella, Micky D.; Luo, Zhiwei; Liu, Hao; Metzakopian, Emmanouil; Fernandes, Hugo J. R.; Bassett, Andrew; Karran, Eric; Miller, Bruce L.; Fleming, Angeleen; Rubinsztein, David C.
- Abstract
Neurodegenerative diseases like Alzheimer's disease, Parkinson's disease and Huntington's disease manifest with the neuronal accumulation of toxic proteins. Since autophagy upregulation enhances the clearance of such proteins and ameliorates their toxicities in animal models, we and others have sought to re-position/re-profile existing compounds used in humans to identify those that may induce autophagy in the brain. A key challenge with this approach is to assess if any hits identified can induce neuronal autophagy at concentrations that would be seen in humans taking the drug for its conventional indication. Here we report that felodipine, an L-type calcium channel blocker and anti-hypertensive drug, induces autophagy and clears diverse aggregate-prone, neurodegenerative disease-associated proteins. Felodipine can clear mutant α-synuclein in mouse brains at plasma concentrations similar to those that would be seen in humans taking the drug. This is associated with neuroprotection in mice, suggesting the promise of this compound for use in neurodegeneration. A key challenge is to find/re-purpose approved drugs that could be used in humans to induce autophagy-associated clearance of neurodegenerative proteins. Here, authors demonstrate that felodipine, an anti-hypertensive drug, can induce autophagy and clear a variety of aggregated neurodegenerative disease-associated proteins in mouse brains at plasma concentrations similar to those that would be seen in humans taking the drug.
- Publication
Nature Communications, 2019, Vol 10, Issue 1, pN.PAG
- ISSN
2041-1723
- Publication type
Article
- DOI
10.1038/s41467-019-09494-2