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Sola-Sevilla N, Mesa-Lombardo A, Aleixo M, Expósito S, Diaz-Perdigón T, Azqueta A, Zamani F, Suzuki T, Maioli S, Eroli F, Matton A, Ramírez MJ, Solas M, Tordera RM, Martín ED, Puerta E. SIRT2 Inhibition Rescues Neurodegenerative Pathology but Increases Systemic Inflammation in a Transgenic Mouse Model of Alzheimer's Disease. J Neuroimmune Pharmacol 2023; 18:529-550. [PMID: 37698780 PMCID: PMC10577113 DOI: 10.1007/s11481-023-10084-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 08/18/2023] [Indexed: 09/13/2023]
Abstract
Sirtuin 2 (SIRT2) has been proposed to have a central role on aging, inflammation, cancer and neurodegenerative diseases; however, its specific function remains controversial. Recent studies propose SIRT2 pharmacological inhibition as a therapeutic strategy for several neurodegenerative diseases including Alzheimer's disease (AD). Surprisingly, none of these published studies regarding the potential interest of SIRT2 inhibition has assessed the peripheral adverse side consequences of this treatment. In this study, we demonstrate that the specific SIRT2 inhibitor, the compound 33i, does not exhibit genotoxic or mutagenic properties. Moreover, pharmacological treatment with 33i, improved cognitive dysfunction and long-term potentiation, reducing amyloid pathology and neuroinflammation in the APP/PS1 AD mouse model. However, this treatment increased peripheral levels of the inflammatory cytokines IL-1β, TNF, IL-6 and MCP-1. Accordingly, peripheral SIRT2 inhibition with the blood brain barrier impermeable compound AGK-2, worsened the cognitive capacities and increased systemic inflammation. The analysis of human samples revealed that SIRT2 is increased in the brain but not in the serum of AD patients. These results suggest that, although SIRT2 pharmacological inhibition may have beneficial consequences in neurodegenerative diseases, its pharmacological inhibition at the periphery would not be recommended and the systemic adverse side effects should be considered. This information is essential to maximize the therapeutic potential of SIRT2 inhibition not only for AD but also for other neurodegenerative diseases.
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Affiliation(s)
- Noemi Sola-Sevilla
- Department of Pharmacology and Toxicology, University of Navarra, Navarra Institute for Health Research (IdiSNA), C/ Irunlarrea, 1, 31008, Pamplona, Spain
| | - Alberto Mesa-Lombardo
- Department of Pharmacology and Toxicology, University of Navarra, Navarra Institute for Health Research (IdiSNA), C/ Irunlarrea, 1, 31008, Pamplona, Spain
- Department of Anatomy, Histology and Neurosciences, Medical School, Autonoma University of Madrid, 28029, Madrid, Spain
| | - Mikel Aleixo
- Department of Pharmacology and Toxicology, University of Navarra, Navarra Institute for Health Research (IdiSNA), C/ Irunlarrea, 1, 31008, Pamplona, Spain
| | - Sara Expósito
- Laboratory of Neurophysiology and Synaptic Plasticity, Instituto Cajal, Consejo Superior de Investigaciones Científicas, Madrid, Spain
| | - Teresa Diaz-Perdigón
- Department of Pharmacology and Toxicology, University of Navarra, Navarra Institute for Health Research (IdiSNA), C/ Irunlarrea, 1, 31008, Pamplona, Spain
| | - Amaya Azqueta
- Department of Pharmacology and Toxicology, University of Navarra, Navarra Institute for Health Research (IdiSNA), C/ Irunlarrea, 1, 31008, Pamplona, Spain
| | | | | | - Silvia Maioli
- Department of Neurobiology, Care Sciences and Society, Division of Neurogeriatrics, Center for Alzheimer Research, Karolinska Institutet, Stockholm, Sweden
| | - Francesca Eroli
- Department of Neurobiology, Care Sciences and Society, Division of Neurogeriatrics, Center for Alzheimer Research, Karolinska Institutet, Stockholm, Sweden
| | - Anna Matton
- Department of Neurobiology, Care Sciences and Society, Division of Neurogeriatrics, Center for Alzheimer Research, Karolinska Institutet, Stockholm, Sweden
| | - Maria J Ramírez
- Department of Pharmacology and Toxicology, University of Navarra, Navarra Institute for Health Research (IdiSNA), C/ Irunlarrea, 1, 31008, Pamplona, Spain
| | - Maite Solas
- Department of Pharmacology and Toxicology, University of Navarra, Navarra Institute for Health Research (IdiSNA), C/ Irunlarrea, 1, 31008, Pamplona, Spain
| | - Rosa M Tordera
- Department of Pharmacology and Toxicology, University of Navarra, Navarra Institute for Health Research (IdiSNA), C/ Irunlarrea, 1, 31008, Pamplona, Spain
| | - Eduardo D Martín
- Laboratory of Neurophysiology and Synaptic Plasticity, Instituto Cajal, Consejo Superior de Investigaciones Científicas, Madrid, Spain
| | - Elena Puerta
- Department of Pharmacology and Toxicology, University of Navarra, Navarra Institute for Health Research (IdiSNA), C/ Irunlarrea, 1, 31008, Pamplona, Spain.
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