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Zhao J, Wei M, Guo M, Wang M, Niu H, Xu T, Zhou Y. GSK3: A potential target and pending issues for treatment of Alzheimer's disease. CNS Neurosci Ther 2024; 30:e14818. [PMID: 38946682 DOI: 10.1111/cns.14818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Revised: 05/21/2024] [Accepted: 05/27/2024] [Indexed: 07/02/2024] Open
Abstract
Glycogen synthase kinase-3 (GSK3), consisting of GSK3α and GSK3β subtypes, is a complex protein kinase that regulates numerous substrates. Research has observed increased GSK3 expression in the brains of Alzheimer's disease (AD) patients and models. AD is a neurodegenerative disorder with diverse pathogenesis and notable cognitive impairments, characterized by Aβ aggregation and excessive tau phosphorylation. This article provides an overview of GSK3's structure and regulation, extensively analyzing its relationship with AD factors. GSK3 overactivation disrupts neural growth, development, and function. It directly promotes tau phosphorylation, regulates amyloid precursor protein (APP) cleavage, leading to Aβ formation, and directly or indirectly triggers neuroinflammation and oxidative damage. We also summarize preclinical research highlighting the inhibition of GSK3 activity as a primary therapeutic approach for AD. Finally, pending issues like the lack of highly specific and affinity-driven GSK3 inhibitors, are raised and expected to be addressed in future research. In conclusion, GSK3 represents a target in AD treatment, filled with hope, challenges, opportunities, and obstacles.
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Affiliation(s)
- Jiahui Zhao
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Mengying Wei
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
- Future Health Laboratory, Innovation Center of Yangtze River Delta, Zhejiang University, Jiaxing, China
| | - Minsong Guo
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
- Cangnan County Qiushi Innovation Research Institute of Traditional Chinese Medicine, Wenzhou, China
| | - Mengyao Wang
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Hongxia Niu
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
- Key Laboratory of Blood-stasis-toxin Syndrome of Zhejiang Province, Hangzhou, China
| | - Tengfei Xu
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
- Cangnan County Qiushi Innovation Research Institute of Traditional Chinese Medicine, Wenzhou, China
| | - Yuan Zhou
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
- Key Laboratory of Blood-stasis-toxin Syndrome of Zhejiang Province, Hangzhou, China
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2
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Tsitsou-Kampeli A, Suzzi S, Schwartz M. The immune and metabolic milieu of the choroid plexus as a potential target in brain protection. Trends Neurosci 2024:S0166-2236(24)00090-0. [PMID: 38945740 DOI: 10.1016/j.tins.2024.05.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Revised: 05/09/2024] [Accepted: 05/22/2024] [Indexed: 07/02/2024]
Abstract
The brain's choroid plexus (CP), which operates as an anatomical and functional 'checkpoint', regulates the communication between brain and periphery and contributes to the maintenance of healthy brain homeostasis throughout life. Evidence from mouse models and humans reveals a link between loss of CP checkpoint properties and dysregulation of the CP immune milieu as a conserved feature across diverse neurological conditions. In particular, we suggest that an imbalance between different immune signals at the CP, including CD4+ T cell-derived cytokines, type-I interferon, and complement components, can perpetuate brain inflammation and cognitive deterioration in aging and neurodegeneration. Furthermore, we highlight the role of CP metabolism in controlling CP inflammation, and propose that targeting molecules that regulate CP metabolism could be effective in safeguarding brain function.
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Affiliation(s)
| | - Stefano Suzzi
- Weizmann Institute of Science, Department of Brain Sciences, Rehovot, Israel
| | - Michal Schwartz
- Weizmann Institute of Science, Department of Brain Sciences, Rehovot, Israel.
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Rachmian N, Medina S, Cherqui U, Akiva H, Deitch D, Edilbi D, Croese T, Salame TM, Ramos JMP, Cahalon L, Krizhanovsky V, Schwartz M. Identification of senescent, TREM2-expressing microglia in aging and Alzheimer's disease model mouse brain. Nat Neurosci 2024; 27:1116-1124. [PMID: 38637622 DOI: 10.1038/s41593-024-01620-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Accepted: 03/11/2024] [Indexed: 04/20/2024]
Abstract
Alzheimer's disease (AD) and dementia in general are age-related diseases with multiple contributing factors, including brain inflammation. Microglia, and specifically those expressing the AD risk gene TREM2, are considered important players in AD, but their exact contribution to pathology remains unclear. In this study, using high-throughput mass cytometry in the 5×FAD mouse model of amyloidosis, we identified senescent microglia that express high levels of TREM2 but also exhibit a distinct signature from TREM2-dependent disease-associated microglia (DAM). This senescent microglial protein signature was found in various mouse models that show cognitive decline, including aging, amyloidosis and tauopathy. TREM2-null mice had fewer microglia with a senescent signature. Treating 5×FAD mice with the senolytic BCL2 family inhibitor ABT-737 reduced senescent microglia, but not the DAM population, and this was accompanied by improved cognition and reduced brain inflammation. Our results suggest a dual and opposite involvement of TREM2 in microglial states, which must be considered when contemplating TREM2 as a therapeutic target in AD.
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Affiliation(s)
- Noa Rachmian
- Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot, Israel
- Department of Brain Sciences, Weizmann Institute of Science, Rehovot, Israel
| | - Sedi Medina
- Department of Brain Sciences, Weizmann Institute of Science, Rehovot, Israel
| | - Ulysse Cherqui
- Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot, Israel
| | - Hagay Akiva
- Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot, Israel
| | - Daniel Deitch
- Department of Brain Sciences, Weizmann Institute of Science, Rehovot, Israel
| | - Dunya Edilbi
- Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot, Israel
| | - Tommaso Croese
- Department of Brain Sciences, Weizmann Institute of Science, Rehovot, Israel
| | - Tomer Meir Salame
- Flow Cytometry Unit, Life Sciences Core Facilities, Weizmann Institute of Science, Rehovot, Israel
| | | | - Liora Cahalon
- Department of Brain Sciences, Weizmann Institute of Science, Rehovot, Israel
| | - Valery Krizhanovsky
- Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot, Israel.
| | - Michal Schwartz
- Department of Brain Sciences, Weizmann Institute of Science, Rehovot, Israel.
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Ghareghani M, Rivest S. The Synergistic Potential of Combining PD-1/PD-L1 Immune Checkpoint Inhibitors with NOD2 Agonists in Alzheimer's Disease Treatment. Int J Mol Sci 2023; 24:10905. [PMID: 37446081 DOI: 10.3390/ijms241310905] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 06/21/2023] [Accepted: 06/28/2023] [Indexed: 07/15/2023] Open
Abstract
Our research over the past decade has compellingly demonstrated the potential of Nucleotide-binding oligomerization domain-containing protein 2 (NOD2) receptor agonists in Alzheimer's disease (AD) treatment. These agonists facilitate the conversation of pro-inflammatory monocytes into patrolling monocytes, leading to the efficient clearance of amyloid-β (Aβ) in the AD-affected cerebrovascular system. This approach surpasses the efficacy of targeting Aβ formation, marking a significant shift in therapeutic strategies. Simultaneously, inhibitors of PD-1/PD-L1 immune check point or glycogen synthase kinase 3 beta (GSK3β), which modulates PD-1, have emerged as potent AD treatment modalities. PD-1 inhibitor exhibits a profound potential in monocytes' recruitment to the AD-afflicted brain. Recent evidence suggests that an integrated approach, combining the modulation of NOD2 and PD-1, could yield superior outcomes. This innovative combinatorial therapeutic approach leverages the potential of MDP to act as a catalyst for the conversion of inflammatory monocytes into patrolling monocytes, with the subsequent recruitment of these patrolling monocytes into the brain being stimulated by the PD-1 inhibitor. These therapeutic interventions are currently under preclinical investigation by pharmaceutical entities, underscoring the promise they hold. This research advocates for the modulation, rather than suppression, of the innate immune system as a promising pharmacological strategy in AD.
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Affiliation(s)
- Majid Ghareghani
- Neuroscience Laboratory, CHU de Québec Research Centre, Department of Molecular Medicine, Faculty of Medicine, Laval University, Québec City, QC G1V 4G2, Canada
| | - Serge Rivest
- Neuroscience Laboratory, CHU de Québec Research Centre, Department of Molecular Medicine, Faculty of Medicine, Laval University, Québec City, QC G1V 4G2, Canada
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Suzzi S, Croese T, Ravid A, Gold O, Clark AR, Medina S, Kitsberg D, Adam M, Vernon KA, Kohnert E, Shapira I, Malitsky S, Itkin M, Brandis A, Mehlman T, Salame TM, Colaiuta SP, Cahalon L, Slyper M, Greka A, Habib N, Schwartz M. N-acetylneuraminic acid links immune exhaustion and accelerated memory deficit in diet-induced obese Alzheimer's disease mouse model. Nat Commun 2023; 14:1293. [PMID: 36894557 PMCID: PMC9998639 DOI: 10.1038/s41467-023-36759-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 02/16/2023] [Indexed: 03/11/2023] Open
Abstract
Systemic immunity supports lifelong brain function. Obesity posits a chronic burden on systemic immunity. Independently, obesity was shown as a risk factor for Alzheimer's disease (AD). Here we show that high-fat obesogenic diet accelerated recognition-memory impairment in an AD mouse model (5xFAD). In obese 5xFAD mice, hippocampal cells displayed only minor diet-related transcriptional changes, whereas the splenic immune landscape exhibited aging-like CD4+ T-cell deregulation. Following plasma metabolite profiling, we identified free N-acetylneuraminic acid (NANA), the predominant sialic acid, as the metabolite linking recognition-memory impairment to increased splenic immune-suppressive cells in mice. Single-nucleus RNA-sequencing revealed mouse visceral adipose macrophages as a potential source of NANA. In vitro, NANA reduced CD4+ T-cell proliferation, tested in both mouse and human. In vivo, NANA administration to standard diet-fed mice recapitulated high-fat diet effects on CD4+ T cells and accelerated recognition-memory impairment in 5xFAD mice. We suggest that obesity accelerates disease manifestation in a mouse model of AD via systemic immune exhaustion.
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Grants
- R01 DK095045 NIDDK NIH HHS
- R01 DK099465 NIDDK NIH HHS
- the Vera and John Schwartz Family Center for Metabolic Biology.
- the National Institutes of Health (NIH) grants DK095045 and DK099465, the Cure Alzheimer’s Fund, the Chan Zuckerberg Foundation, and the Carlos Slim Foundation.
- the Israel Science Foundation (ISF) research grant no. 1709/19, the European Research Council grant 853409, the MOST-IL-China research grant no. 3-15687, and the Myers Foundation. N.H. holds the Goren-Khazzam chair in neuroscience.
- the Advanced European Research Council grants 232835 and 741744, the European Seventh Framework Program HEALTH-2011 (279017), the Israel Science Foundation (ISF)-research grant no. 991/16, the ISF-Legacy Heritage Bio-medical Science Partnership research grant no. 1354/15, and the Thompson Foundation and Adelis Foundation.
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Affiliation(s)
- Stefano Suzzi
- Weizmann Institute of Science, Department of Brain Sciences, Rehovot, Israel.
| | - Tommaso Croese
- Weizmann Institute of Science, Department of Brain Sciences, Rehovot, Israel
| | - Adi Ravid
- The Hebrew University of Jerusalem, Edmond & Lily Safra Center for Brain Sciences, Jerusalem, Israel
| | - Or Gold
- The Hebrew University of Jerusalem, Edmond & Lily Safra Center for Brain Sciences, Jerusalem, Israel
| | - Abbe R Clark
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Sedi Medina
- Weizmann Institute of Science, Department of Brain Sciences, Rehovot, Israel
| | - Daniel Kitsberg
- The Hebrew University of Jerusalem, Edmond & Lily Safra Center for Brain Sciences, Jerusalem, Israel
| | - Miriam Adam
- The Hebrew University of Jerusalem, Edmond & Lily Safra Center for Brain Sciences, Jerusalem, Israel
| | - Katherine A Vernon
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Eva Kohnert
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Inbar Shapira
- The Hebrew University of Jerusalem, Edmond & Lily Safra Center for Brain Sciences, Jerusalem, Israel
| | - Sergey Malitsky
- Weizmann Institute of Science, Life Sciences Core Facilities, Rehovot, Israel
| | - Maxim Itkin
- Weizmann Institute of Science, Life Sciences Core Facilities, Rehovot, Israel
| | - Alexander Brandis
- Weizmann Institute of Science, Life Sciences Core Facilities, Rehovot, Israel
| | - Tevie Mehlman
- Weizmann Institute of Science, Life Sciences Core Facilities, Rehovot, Israel
| | - Tomer M Salame
- Weizmann Institute of Science, Life Sciences Core Facilities, Rehovot, Israel
| | - Sarah P Colaiuta
- Weizmann Institute of Science, Department of Brain Sciences, Rehovot, Israel
| | - Liora Cahalon
- Weizmann Institute of Science, Department of Brain Sciences, Rehovot, Israel
| | - Michal Slyper
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Anna Greka
- Broad Institute of MIT and Harvard, Cambridge, MA, USA.
- Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA.
| | - Naomi Habib
- The Hebrew University of Jerusalem, Edmond & Lily Safra Center for Brain Sciences, Jerusalem, Israel.
| | - Michal Schwartz
- Weizmann Institute of Science, Department of Brain Sciences, Rehovot, Israel.
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Schwartz M, Cahalon L. The vicious cycle governing the brain–immune system relationship in neurodegenerative diseases. Curr Opin Immunol 2022; 76:102182. [DOI: 10.1016/j.coi.2022.102182] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 04/03/2022] [Accepted: 04/04/2022] [Indexed: 12/11/2022]
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