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Pontrello CG, McWhirt JM, Glabe CG, Brewer GJ. Age-Related Oxidative Redox and Metabolic Changes Precede Intraneuronal Amyloid-β Accumulation and Plaque Deposition in a Transgenic Alzheimer's Disease Mouse Model. J Alzheimers Dis 2022; 90:1501-1521. [PMID: 36278355 PMCID: PMC9789488 DOI: 10.3233/jad-220824] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
BACKGROUND Many identified mechanisms could be upstream of the prominent amyloid-β (Aβ) plaques in Alzheimer's disease (AD). OBJECTIVE To profile the progression of pathology in AD. METHODS We monitored metabolic signaling, redox stress, intraneuronal amyloid-β (iAβ) accumulation, and extracellular plaque deposition in the brains of 3xTg-AD mice across the lifespan. RESULTS Intracellular accumulation of aggregated Aβ in the CA1 pyramidal cells at 9 months preceded extracellular plaques that first presented in the CA1 at 16 months of age. In biochemical assays, brain glutathione (GSH) declined with age in both 3xTg-AD and non-transgenic controls, but the decline was accelerated in 3xTg-AD brains from 2 to 4 months. The decline in GSH correlated exponentially with the rise in iAβ. Integrated metabolic signaling as the ratio of phospho-Akt (pAkt) to total Akt (tAkt) in the PI3kinase and mTOR pathway declined at 6, 9, and 12 months, before rising at 16 and 20 months. These pAkt/tAkt ratios correlated with both iAβ and GSH levels in a U-shaped relationship. Selective vulnerability of age-related AD-genotype-specific pAkt changes was greatest in the CA1 pyramidal cell layer. To demonstrate redox causation, iAβ accumulation was lowered in cultured middle-age adult 3xTg-AD neurons by treatment of the oxidized redox state in the neurons with exogenous cysteine. CONCLUSION The order of pathologic progression in the 3xTg-AD mouse was loss of GSH (oxidative redox shift) followed by a pAkt/tAkt metabolic shift in CA1, iAβ accumulation in CA1, and extracellular Aβ deposition. Upstream targets may prove strategically more effective for therapy before irreversible changes.
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Affiliation(s)
- Crystal G. Pontrello
- Department of Molecular Biology and Biochemistry, University of California Irvine, Irvine, CA, USA,
Department of Biomedical Engineering, University of California Irvine, Irvine, CA, USA
| | - Joshua M. McWhirt
- Department of Biomedical Engineering, University of California Irvine, Irvine, CA, USA
| | - Charles G. Glabe
- Department of Molecular Biology and Biochemistry, University of California Irvine, Irvine, CA, USA,
Center for Neurobiology of Learning and Memory, University of California Irvine, Irvine, CA, USA,
MIND Institute, University of California Irvine, Irvine, CA, USA
| | - Gregory J. Brewer
- Department of Biomedical Engineering, University of California Irvine, Irvine, CA, USA,
Center for Neurobiology of Learning and Memory, University of California Irvine, Irvine, CA, USA,
MIND Institute, University of California Irvine, Irvine, CA, USA,Correspondence to: Gregory J. Brewer, Department of Biomedical Engineering, University of California Irvine, Irvine, CA 92697, USA. Tel.: +1 217 502 4511; E-mail:
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Ontario ML, Siracusa R, Modafferi S, Scuto M, Sciuto S, Greco V, Bertuccio MP, Salinaro AT, Crea R, Calabrese EJ, Di Paola R, Calabrese V. POTENTIAL PREVENTION AND TREATMENT OF NEURODEGENERATIVE DISORDERS BY OLIVE POLYPHENOLS AND HYDROX. Mech Ageing Dev 2022; 203:111637. [DOI: 10.1016/j.mad.2022.111637] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2021] [Revised: 01/27/2022] [Accepted: 01/31/2022] [Indexed: 12/15/2022]
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Sharma A, Sethi G, Tambuwala MM, Aljabali AAA, Chellappan DK, Dua K, Goyal R. Circadian Rhythm Disruption and Alzheimer's Disease: The Dynamics of a Vicious Cycle. Curr Neuropharmacol 2020; 19:248-264. [PMID: 32348224 PMCID: PMC8033974 DOI: 10.2174/1570159x18666200429013041] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 04/06/2020] [Accepted: 04/24/2020] [Indexed: 12/13/2022] Open
Abstract
All mammalian cells exhibit circadian rhythm in cellular metabolism and energetics. Autonomous cellular clocks are modulated by various pathways that are essential for robust time keeping. In addition to the canonical transcriptional translational feedback loop, several new pathways of circadian timekeeping - non-transcriptional oscillations, post-translational modifications, epigenetics and cellular signaling in the circadian clock - have been identified. The physiology of circadian rhythm is expansive, and its link to the neurodegeneration is multifactorial. Circadian rhythm disruption is prevelant in contamporary society where light-noise, shift-work, and transmeridian travel are commonplace, and is also reported from the early stages of Alzheimer's disease (AD). Circadian alignment by bright light therapy in conjunction with chronobiotics is beneficial for treating sundowning syndrome and other cognitive symptoms in advanced AD patients. We performed a comprehensive analysis of the clinical and translational reports to review the physiology of the circadian clock, delineate its dysfunction in AD, and unravel the dynamics of the vicious cycle between two pathologies. The review delineates the role of putative targets like clock proteins PER, CLOCK, BMAL1, ROR, and clock-controlled proteins like AVP, SIRT1, FOXO, and PK2 towards future approaches for management of AD. Furthermore, the role of circadian rhythm disruption in aging is delineated.
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Affiliation(s)
- Ashish Sharma
- Neuropharmacology Laboratory, School of Pharmaceutical Sciences, Shoolini University, Solan 173 212, Himachal Pradesh, India
| | - Gautam Sethi
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Medical Drive, 117 600, Singapore
| | - Murtaza M Tambuwala
- School of Pharmacy and Pharmaceutical Sciences, Ulster University, Coleraine, County, Londonderry, BT52 1SA, Northern Ireland, United Kingdom
| | - Alaa A A Aljabali
- Faculty of Pharmacy, Department of Pharmaceutical Sciences, Yarmouk University, Irbid 21163, Jordan
| | - Dinesh Kumar Chellappan
- Department of Life Sciences, School of Pharmacy, International Medical University, Bukit Jalil, Kuala Lumpur, 57000, Malaysia
| | - Kamal Dua
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, NSW, 2007, Australia
| | - Rohit Goyal
- Neuropharmacology Laboratory, School of Pharmaceutical Sciences, Shoolini University, Solan 173 212, Himachal Pradesh, India
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Sharma A, Goyal R. Long-term exposure to constant light induces dementia, oxidative stress and promotes aggregation of sub-pathological Aβ42 in Wistar rats. Pharmacol Biochem Behav 2020; 192:172892. [DOI: 10.1016/j.pbb.2020.172892] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 03/02/2020] [Accepted: 03/02/2020] [Indexed: 12/17/2022]
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Picón-pagès P, Garcia-buendia J, Muñoz FJ. Functions and dysfunctions of nitric oxide in brain. Biochim Biophys Acta Mol Basis Dis 2019; 1865:1949-67. [DOI: 10.1016/j.bbadis.2018.11.007] [Citation(s) in RCA: 97] [Impact Index Per Article: 19.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Revised: 10/29/2018] [Accepted: 11/11/2018] [Indexed: 02/06/2023]
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Abstract
Circadian rhythm dysfunction is present in Alzheimer's disease. Animal models of Alzheimer's disease have been employed to investigate whether this dysfunction is a risk factor or symptom of the disease. The circadian phenotype in mouse models of Alzheimer's disease is very disparate in terms of the degree and timing of the dysfunction. This is likely a result of some models elevating amyloid-β protein precursor instead of just the amyloid-β fragment present in human Alzheimer's disease. We characterized activity rhythms in a novel knock-in mouse model (APPNL-G-F) of Alzheimer's disease that elevates amyloid-β without overexpressing amyloid-β protein precursor. Despite increased rhythm amplitude, total activity, and a shortening of free-running period at 15 months of age, all other aspects of the activity rhythm were similar to controls from three to fifteen months of age. At two months of age, these mice were also able to entrain to a light-dark cycle with a period right on the edge of entrainment, which further suggests a healthy functioning circadian system. These data open the possibility that circadian rhythm disruptions in transgenic models of Alzheimer's disease could be a result of these models having an artificial phenotype caused by overexpression of amyloid-β protein precursor.
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Affiliation(s)
- Scott H Deibel
- Canadian Centre for Behavioural Neuroscience, University of Lethbridge, Lethbridge, Alberta, Canada.,Memorial University of Newfoundland, St. John's, Newfoundland, Canada
| | - Bryant Young
- Canadian Centre for Behavioural Neuroscience, University of Lethbridge, Lethbridge, Alberta, Canada
| | - Majid H Mohajerani
- Canadian Centre for Behavioural Neuroscience, University of Lethbridge, Lethbridge, Alberta, Canada
| | - Robert J McDonald
- Canadian Centre for Behavioural Neuroscience, University of Lethbridge, Lethbridge, Alberta, Canada
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Wang L, Zhang R, Hou X, Wang C, Guo S, Ning N, Sun C, Yuan Y, Li L, Hölscher C, Wang X. DA-JC1 improves learning and memory by antagonizing Aβ31-35-induced circadian rhythm disorder. Mol Brain 2019; 12:14. [PMID: 30744651 PMCID: PMC6371467 DOI: 10.1186/s13041-019-0432-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Accepted: 01/31/2019] [Indexed: 12/13/2022] Open
Abstract
Studies have shown that a normal circadian rhythm is crucial to learning and memory. Circadian rhythm disturbances that occur at early stages of Alzheimer’s disease (AD) aggravate the progression of the disease and further reduce learning and memory in AD patients. The novel, dual GLP-1R/GIPR agonist DA-JC1 has been found to exert a stronger hypoglycemic effect than a GLP-1R agonist alone and has been shown to exert neuroprotective effects. However, it is not clear whether DA-JC1 improves the Aβ31–35-induced decline in learning and memory ability by restoring disrupted circadian rhythms. In the present study, we carried out a mouse wheel-running experiment and Morris water maze test (MWM) and found that DA-JC1 could effectively improve the decline of learning and memory and circadian rhythm disorders induced by Aβ31–35. After downregulating Per2 expression via lentivirus-shPer2 in the hippocampus and the hippocampal HT22 cells, we found that circadian rhythm disorders occurred, and that DA-JC1 could not improve the impaired learning and memory. These results suggest that DA-JC1 improves damage to learning and memory by antagonizing circadian rhythm disorders induced by Aβ31–35. The outcome of this ongoing study may provide a novel therapeutic intervention for AD in the future.
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Affiliation(s)
- Li Wang
- Department of Pathology, Shanxi Medical University, Taiyuan, People's Republic of China
| | - Rui Zhang
- Department of Pathology, Shanxi Medical University, Taiyuan, People's Republic of China
| | - Xiaohong Hou
- Department of Pathology, Shanxi Medical University, Taiyuan, People's Republic of China
| | - Changtu Wang
- Department of Pathology, Shanxi Medical University, Taiyuan, People's Republic of China.,Laboratory of Chronobiology, Shanxi Medical University, Taiyuan, People's Republic of China
| | - Shuai Guo
- Department of Pathology, Shanxi Medical University, Taiyuan, People's Republic of China
| | - Na Ning
- Department of Pathology, Shanxi Medical University, Taiyuan, People's Republic of China
| | - Cong Sun
- Department of Pathology, Shanxi Medical University, Taiyuan, People's Republic of China
| | - Yuan Yuan
- Laboratory of Morphology, Department of Basic Medical Sciences, Shanxi Medical University, Taiyuan, People's Republic of China
| | - Lin Li
- Key Laboratory of Cellular Physiology, Shanxi Medical University, Taiyuan, People's Republic of China
| | - Christian Hölscher
- Second Hospital, Shanxi Medical University, Taiyuan, People's Republic of China.,Biomedical and Life Science, Faculty of Health and Medicine, Lancaster University, Lancaster, LA1 4YQ, UK
| | - Xiaohui Wang
- Department of Pathology, Shanxi Medical University, Taiyuan, People's Republic of China. .,Laboratory of Chronobiology, Shanxi Medical University, Taiyuan, People's Republic of China. .,Laboratory of Morphology, Department of Basic Medical Sciences, Shanxi Medical University, Taiyuan, People's Republic of China.
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Yamada Y, Prosser RA. Copper in the suprachiasmatic circadian clock: A possible link between multiple circadian oscillators. Eur J Neurosci 2018; 51:47-70. [PMID: 30269387 DOI: 10.1111/ejn.14181] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Revised: 09/05/2018] [Accepted: 09/17/2018] [Indexed: 01/07/2023]
Abstract
The mammalian circadian clock in the suprachiasmatic nucleus (SCN) is very robust, able to coordinate our daily physiological and behavioral rhythms with exquisite accuracy. Simultaneously, the SCN clock is highly sensitive to environmental timing cues such as the solar cycle. This duality of resiliency and sensitivity may be sustained in part by a complex intertwining of three cellular oscillators: transcription/translation, metabolic/redox, and membrane excitability. We suggest here that one of the links connecting these oscillators may be forged from copper (Cu). Cellular Cu levels are highly regulated in the brain and peripherally, and Cu affects cellular metabolism, redox state, cell signaling, and transcription. We have shown that both Cu chelation and application induce nighttime phase shifts of the SCN clock in vitro and that these treatments affect glutamate, N-methyl-D-aspartate receptor, and associated signaling processes differently. More recently we found that Cu induces mitogen-activated protein kinase-dependent phase shifts, while the mechanisms by which Cu removal induces phase shifts remain unclear. Lastly, we have found that two Cu transporters are expressed in the SCN, and that one of these transporters (ATP7A) exhibits a day/night rhythm. Our results suggest that Cu homeostasis is tightly regulated in the SCN, and that changes in Cu levels may serve as a time cue for the circadian clock. We discuss these findings in light of the existing literature and current models of multiple coupled circadian oscillators in the SCN.
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Affiliation(s)
- Yukihiro Yamada
- Department of Biochemistry & Cellular and Molecular Biology, NeuroNET Research Center, University of Tennessee, Knoxville, Tennessee
| | - Rebecca A Prosser
- Department of Biochemistry & Cellular and Molecular Biology, NeuroNET Research Center, University of Tennessee, Knoxville, Tennessee
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Shen W, Ge J, He S, Zhang R, Zhao C, Fan Y, Yu S, Liu B, Zhu Q. A Self-Quenching System Based on Bis-Naphthalimide: A Dual Two-Photon-Channel GSH Fluorescent Probe. Chem Asian J 2017; 12:1532-1537. [DOI: 10.1002/asia.201700340] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Revised: 03/27/2017] [Indexed: 01/10/2023]
Affiliation(s)
- Wei Shen
- Department of General Surgery; Jinhua Central Hospital; Jinhua 321000 China
| | - Jingyan Ge
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province; Zhejiang University of Technology; Chaowang Road 18 Hangzhou China
| | - Siyang He
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province; Zhejiang University of Technology; Chaowang Road 18 Hangzhou China
| | - Ruoyu Zhang
- Department of Chemical and Biomolecular Engineering; National University of Singapore; 4 Engineering Drive 4 Singapore 117585 Singapore
| | - Chengyan Zhao
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province; Zhejiang University of Technology; Chaowang Road 18 Hangzhou China
| | - Yong Fan
- Department of General Surgery; Jinhua Central Hospital; Jinhua 321000 China
| | - Shian Yu
- Department of General Surgery; Jinhua Central Hospital; Jinhua 321000 China
| | - Bin Liu
- Department of Chemical and Biomolecular Engineering; National University of Singapore; 4 Engineering Drive 4 Singapore 117585 Singapore
| | - Qing Zhu
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province; Zhejiang University of Technology; Chaowang Road 18 Hangzhou China
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Pennisi M, Crupi R, Di Paola R, Ontario ML, Bella R, Calabrese EJ, Crea R, Cuzzocrea S, Calabrese V. Inflammasomes, hormesis, and antioxidants in neuroinflammation: Role of NRLP3 in Alzheimer disease. J Neurosci Res 2016; 95:1360-1372. [PMID: 27862176 DOI: 10.1002/jnr.23986] [Citation(s) in RCA: 97] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2016] [Accepted: 10/17/2016] [Indexed: 12/31/2022]
Abstract
Alzheimer disease (AD) is a progressive neurodegenerative disorder leading to cognitive decline, neuropsychiatric symptoms, disability, caregiver burden, and premature death. It represents the most prevalent cause of dementia, and its incidence rates exponentially increase with increasing age. The number of Americans living with AD is rapidly increasing. An estimated 5.4 million Americans of all ages have AD in 2016. One in nine people aged 65 and older has AD, and by midcentury, someone in the United States will develop the disease every 33 sec. It is now accepted that neuroinflammation is a common feature of neurological disease. Inflammasomes, which are a multiprotein complex part of the innate immune system, induce inflammation in response to various stimuli, such as pathogens and stress. Inflammasomes activate proinflammatory caspases, such as caspase-1, leading to the activation of the proinflammatory cytokines interleukin (IL)-1b, IL-18, and IL-33, which promote neuroinflammation and brain pathologies. The nucleotide-binding oligomerization domain-like receptor family, pyrin domain-containing-3 (NLRP3) inflammasome is the best characterized in neurodegenerative diseases, in particular AD. Recent research suggests that NLRP3 could possibly be used in targeted therapies to alleviate neuroinflammation. Modulation of endogenous cellular defense mechanisms may be an innovative approach to therapeutic intervention in AD and other disorders associated with neuroinflammation and neurodegeneration. Herein, we introduce the hormetic dose-response concept and present possible mechanisms and applications to neuroprotection. We summarize the mechanisms involved in activation of the NLRP3 inflammasome and its role in neuroinflammation. We also address and propose the potential therapeutic utility of the nutritional antioxidants sulforaphane and hydroxytyrosol against particular signs and symptoms of AD. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Manuela Pennisi
- Department of Biomedical and Biotechnological Sciences, School of Medicine, University of Catania, Catania, Italy.,Spinal Unit, Emergency Hospital "Cannizzaro,", Catania, Italy
| | - Rosalia Crupi
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Rosanna Di Paola
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Maria Laura Ontario
- Department of Biomedical and Biotechnological Sciences, School of Medicine, University of Catania, Catania, Italy
| | - Rita Bella
- Department of Medical and Surgical Sciences and Advanced Technologies, Section of Neurosciences, University of Catania, Catania, Italy
| | - Edward J Calabrese
- Environmental Health Sciences Division, School of Public Health, University of Massachusetts, Amherst, Massachusetts
| | | | - Salvatore Cuzzocrea
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Vittorio Calabrese
- Department of Biomedical and Biotechnological Sciences, School of Medicine, University of Catania, Catania, Italy
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Abstract
Preclinical Research Circadian rhythms are fundamental processes in all cells that coordinate a variety of cellular functions related to a specific time of the day. Disruption of circadian rhythms markedly impacts homeostasis. In this Commentary, we present data that disruption of circadian rhythm may lead to the pathogenesis of neurodegenerative states. In this context, we further argue that there is an urgent need of developing new generations of compounds, chronobiotics, to modulate the molecular substrates of circadian timing system. Chronobiotics conceptually offer an effective way for restoration and protection from the consequences of the circadian disruption. We also briefly discuss whether dysfunctional circadian rhythms are a major driver of aging. Drug Dev Res 77 : 469-473, 2016. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Ashish Sharma
- School of Pharmaceutical Sciences, Shoolini University, Solan, Himachal Pradesh, India
| | - Rohit Goyal
- School of Pharmaceutical Sciences, Shoolini University, Solan, Himachal Pradesh, India
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