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Chang KH, Chen CM. The Role of NRF2 in Trinucleotide Repeat Expansion Disorders. Antioxidants (Basel) 2024; 13:649. [PMID: 38929088 PMCID: PMC11200942 DOI: 10.3390/antiox13060649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2024] [Revised: 05/20/2024] [Accepted: 05/23/2024] [Indexed: 06/28/2024] Open
Abstract
Trinucleotide repeat expansion disorders, a diverse group of neurodegenerative diseases, are caused by abnormal expansions within specific genes. These expansions trigger a cascade of cellular damage, including protein aggregation and abnormal RNA binding. A key contributor to this damage is oxidative stress, an imbalance of reactive oxygen species that harms cellular components. This review explores the interplay between oxidative stress and the NRF2 pathway in these disorders. NRF2 acts as the master regulator of the cellular antioxidant response, orchestrating the expression of enzymes that combat oxidative stress. Trinucleotide repeat expansion disorders often exhibit impaired NRF2 signaling, resulting in inadequate responses to excessive ROS production. NRF2 activation has been shown to upregulate antioxidative gene expression, effectively alleviating oxidative stress damage. NRF2 activators, such as omaveloxolone, vatiquinone, curcumin, sulforaphane, dimethyl fumarate, and resveratrol, demonstrate neuroprotective effects by reducing oxidative stress in experimental cell and animal models of these diseases. However, translating these findings into successful clinical applications requires further research. In this article, we review the literature supporting the role of NRF2 in the pathogenesis of these diseases and the potential therapeutics of NRF2 activators.
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Affiliation(s)
- Kuo-Hsuan Chang
- Department of Neurology, Chang Gung Memorial Hospital, Linkou Medical Center, Kueishan, Taoyuan 333, Taiwan;
- College of Medicine, Chang Gung University, Taoyuan 333, Taiwan
| | - Chiung-Mei Chen
- Department of Neurology, Chang Gung Memorial Hospital, Linkou Medical Center, Kueishan, Taoyuan 333, Taiwan;
- College of Medicine, Chang Gung University, Taoyuan 333, Taiwan
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2
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Wang T, Sobue A, Watanabe S, Komine O, Saido TC, Saito T, Yamanaka K. Dimethyl fumarate improves cognitive impairment and neuroinflammation in mice with Alzheimer's disease. J Neuroinflammation 2024; 21:55. [PMID: 38383481 PMCID: PMC10882778 DOI: 10.1186/s12974-024-03046-2] [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: 10/03/2023] [Accepted: 02/14/2024] [Indexed: 02/23/2024] Open
Abstract
BACKGROUND Neuroinflammation substantially contributes to the pathology of Alzheimer's disease (AD), the most common form of dementia. Studies have reported that nuclear factor erythroid 2-related factor 2 (Nrf2) attenuates neuroinflammation in the mouse models of neurodegenerative diseases, however, the detailed mechanism remains unclear. METHODS The effects of dimethyl fumarate (DMF), a clinically used drug to activate the Nrf2 pathway, on neuroinflammation were analyzed in primary astrocytes and AppNL-G-F (App-KI) mice. The cognitive function and behavior of DMF-administrated App-KI mice were evaluated. For the gene expression analysis, microglia and astrocytes were directly isolated from the mouse cerebral cortex by magnetic-activated cell sorting, followed by quantitative PCR. RESULTS DMF treatment activated some Nrf2 target genes and inhibited the expression of proinflammatory markers in primary astrocytes. Moreover, chronic oral administration of DMF attenuated neuroinflammation, particularly in astrocytes, and reversed cognitive dysfunction presumably by activating the Nrf2-dependent pathway in App-KI mice. Furthermore, DMF administration inhibited the expression of STAT3/C3 and C3 receptor in astrocytes and microglia isolated from App-KI mice, respectively, suggesting that the astrocyte-microglia crosstalk is involved in neuroinflammation in mice with AD. CONCLUSION The activation of astrocytic Nrf2 signaling confers neuroprotection in mice with AD by controlling neuroinflammation, particularly by regulating astrocytic C3-STAT3 signaling. Furthermore, our study has implications for the repositioning of DMF as a drug for AD treatment.
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Affiliation(s)
- Ting Wang
- Department of Neuroscience and Pathobiology, Research Institute of Environmental Medicine, Nagoya University, Aichi, 464-8601, Japan
- Department of Neuroscience and Pathobiology, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Akira Sobue
- Department of Neuroscience and Pathobiology, Research Institute of Environmental Medicine, Nagoya University, Aichi, 464-8601, Japan.
- Medical Interactive Research and Academia Industry Collaboration Center, Research Institute of Environmental Medicine, Nagoya University, Aichi, Japan.
| | - Seiji Watanabe
- Department of Neuroscience and Pathobiology, Research Institute of Environmental Medicine, Nagoya University, Aichi, 464-8601, Japan
| | - Okiru Komine
- Department of Neuroscience and Pathobiology, Research Institute of Environmental Medicine, Nagoya University, Aichi, 464-8601, Japan
| | - Takaomi C Saido
- Laboratory for Proteolytic Neuroscience, RIKEN Center for Brain Science, Saitama, Japan
| | - Takashi Saito
- Department of Neuroscience and Pathobiology, Research Institute of Environmental Medicine, Nagoya University, Aichi, 464-8601, Japan
- Department of Neurocognitive Science, Institute of Brain Science, Nagoya City University Graduate School of Medical Sciences, Aichi, Japan
| | - Koji Yamanaka
- Department of Neuroscience and Pathobiology, Research Institute of Environmental Medicine, Nagoya University, Aichi, 464-8601, Japan.
- Department of Neuroscience and Pathobiology, Nagoya University Graduate School of Medicine, Aichi, Japan.
- Institute for Glyco-Core Research (iGCORE), Nagoya University, Aichi, Japan.
- Center for One Medicine Innovative Translational Research (COMIT), Nagoya University, Nagoya, Aichi, Japan.
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Lal R, Dharavath RN, Chopra K. Nrf2 Signaling Pathway: a Potential Therapeutic Target in Combating Oxidative Stress and Neurotoxicity in Chemotherapy-Induced Cognitive Impairment. Mol Neurobiol 2024; 61:593-608. [PMID: 37644279 DOI: 10.1007/s12035-023-03559-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 08/05/2023] [Indexed: 08/31/2023]
Abstract
Chemotherapy-induced cognitive impairment (CICI) is one of the major adverse effects of antineoplastic drugs, which decrease the quality of life in cancer survivors. Extensive experimental and clinical research suggests that chemotherapeutic drugs generate an enormous amount of reactive oxygen species (ROS), contributing to oxidative stress, neuroinflammation, blood-brain barrier (BBB) disruption, and neuronal death, eventually leading to CICI. Despite the progress in exploring different pathological mechanisms of CICI, effective treatment to prevent CICI progression has not been developed yet. Nrf2 is the principal transcription factor that regulates cellular redox balance and inflammation-related gene expression. Emerging evidence suggests that upregulation of Nrf2 and its target genes could suppress oxidative stress, and neuroinflammation, restore BBB integrity, and increase neurogenesis. This review discusses the role of Nrf2 in CICI, how it responds to oxidative stress, inflammation, neurotoxicity, and potential Nrf2 activators that could be used to enhance Nrf2 activation in CICI.
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Affiliation(s)
- Roshan Lal
- Pharmacology Division, University Institute of Pharmaceutical Sciences (UIPS), Panjab University, Chandigarh, 160014, India
| | - Ravinder Naik Dharavath
- Pharmacology Division, University Institute of Pharmaceutical Sciences (UIPS), Panjab University, Chandigarh, 160014, India
- Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON, M5T 1R8, Canada
| | - Kanwaljit Chopra
- Pharmacology Division, University Institute of Pharmaceutical Sciences (UIPS), Panjab University, Chandigarh, 160014, India.
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Bresciani G, Manai F, Davinelli S, Tucci P, Saso L, Amadio M. Novel potential pharmacological applications of dimethyl fumarate-an overview and update. Front Pharmacol 2023; 14:1264842. [PMID: 37745068 PMCID: PMC10512734 DOI: 10.3389/fphar.2023.1264842] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Accepted: 08/18/2023] [Indexed: 09/26/2023] Open
Abstract
Dimethyl fumarate (DMF) is an FDA-approved drug for the treatment of psoriasis and multiple sclerosis. DMF is known to stabilize the transcription factor Nrf2, which in turn induces the expression of antioxidant response element genes. It has also been shown that DMF influences autophagy and participates in the transcriptional control of inflammatory factors by inhibiting NF-κB and its downstream targets. DMF is receiving increasing attention for its potential to be repurposed for several diseases. This versatile molecule is indeed able to exert beneficial effects on different medical conditions through a pleiotropic mechanism, in virtue of its antioxidant, immunomodulatory, neuroprotective, anti-inflammatory, and anti-proliferative effects. A growing number of preclinical and clinical studies show that DMF may have important therapeutic implications for chronic diseases, such as cardiovascular and respiratory pathologies, cancer, eye disorders, neurodegenerative conditions, and systemic or organ specific inflammatory and immune-mediated diseases. This comprehensive review summarizes and highlights the plethora of DMF's beneficial effects and underlines its repurposing opportunities in a variety of clinical conditions.
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Affiliation(s)
- Giorgia Bresciani
- Section of Pharmacology, Department of Drug Sciences, University of Pavia, Pavia, Italy
| | - Federico Manai
- Department of Biology and Biotechnology L. Spallanzani, University of Pavia, Pavia, Italy
| | - Sergio Davinelli
- Department of Medicine and Health Sciences “V. Tiberio”, University of Molise, Campobasso, Italy
| | - Paolo Tucci
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Luciano Saso
- Department of Physiology and Pharmacology Vittorio Erspamer, Sapienza University, Rome, Italy
| | - Marialaura Amadio
- Section of Pharmacology, Department of Drug Sciences, University of Pavia, Pavia, Italy
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5
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Sharkus R, Thakkar R, Kolson DL, Constantinescu CS. Dimethyl Fumarate as Potential Treatment for Alzheimer's Disease: Rationale and Clinical Trial Design. Biomedicines 2023; 11:1387. [PMID: 37239057 PMCID: PMC10216730 DOI: 10.3390/biomedicines11051387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 05/03/2023] [Accepted: 05/05/2023] [Indexed: 05/28/2023] Open
Abstract
Alzheimer's Disease (AD) is a debilitating disease that leads to severe cognitive impairment and functional decline. The role of tau hyperphosphorylation and amyloid plaque deposition in the pathophysiology of AD has been well described; however, neuroinflammation and oxidative stress related to sustained microglial activation is thought to play a significant role in the disease process as well. NRF-2 has been identified in modulating the effects of inflammation and oxidative stress in AD. Activation of NRF-2 leads to an increased production of antioxidant enzymes, including heme oxygenase, which has been shown to have protective effects in neurodegenerative disorders such as AD. Dimethyl fumarate and diroximel fumarate (DMF) have been approved for the use in relapsing-remitting multiple sclerosis. Research indicates that they can modulate the effects of neuroinflammation and oxidative stress through the NRF-2 pathway, and as such, could serve as a potential therapeutic option in AD. We propose a clinical trial design that could be used to assess DMF as a treatment option for AD.
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Affiliation(s)
- Robert Sharkus
- Department of Neurology, Cooper Neurological Institute, Cherry Hill, NJ 08002, USA; (R.S.); (R.T.)
| | - Richa Thakkar
- Department of Neurology, Cooper Neurological Institute, Cherry Hill, NJ 08002, USA; (R.S.); (R.T.)
| | - Dennis L. Kolson
- Department of Neurology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA;
| | - Cris S. Constantinescu
- Department of Neurology, Cooper Neurological Institute, Cherry Hill, NJ 08002, USA; (R.S.); (R.T.)
- Department of Neurology, Cooper Medical School of Rowan University, Camden, NJ 08103, USA
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Fields M, Marcuzzi A, Gonelli A, Celeghini C, Maximova N, Rimondi E. Mitochondria-Targeted Antioxidants, an Innovative Class of Antioxidant Compounds for Neurodegenerative Diseases: Perspectives and Limitations. Int J Mol Sci 2023; 24:ijms24043739. [PMID: 36835150 PMCID: PMC9960436 DOI: 10.3390/ijms24043739] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 02/06/2023] [Accepted: 02/11/2023] [Indexed: 02/15/2023] Open
Abstract
Neurodegenerative diseases comprise a wide spectrum of pathologies characterized by progressive loss of neuronal functions and structures. Despite having different genetic backgrounds and etiology, in recent years, many studies have highlighted a point of convergence in the mechanisms leading to neurodegeneration: mitochondrial dysfunction and oxidative stress have been observed in different pathologies, and their detrimental effects on neurons contribute to the exacerbation of the pathological phenotype at various degrees. In this context, increasing relevance has been acquired by antioxidant therapies, with the purpose of restoring mitochondrial functions in order to revert the neuronal damage. However, conventional antioxidants were not able to specifically accumulate in diseased mitochondria, often eliciting harmful effects on the whole body. In the last decades, novel, precise, mitochondria-targeted antioxidant (MTA) compounds have been developed and studied, both in vitro and in vivo, to address the need to counter the oxidative stress in mitochondria and restore the energy supply and membrane potentials in neurons. In this review, we focus on the activity and therapeutic perspectives of MitoQ, SkQ1, MitoVitE and MitoTEMPO, the most studied compounds belonging to the class of MTA conjugated to lipophilic cations, in order to reach the mitochondrial compartment.
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Affiliation(s)
- Matteo Fields
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy
| | - Annalisa Marcuzzi
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy
- Correspondence:
| | - Arianna Gonelli
- Department of Environmental and Prevention Sciences, University of Ferrara, 44121 Ferrara, Italy
| | - Claudio Celeghini
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy
| | - Natalia Maximova
- Department of Pediatrics, Pediatrics, Bone Marrow Transplant Unit, Institute for Maternal and Child Health-IRCCS Burlo Garofolo, 34137 Trieste, Italy
| | - Erika Rimondi
- Department of Translational Medicine and LTTA Centre, University of Ferrara, 44121 Ferrara, Italy
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Tucci P, Lattanzi R, Severini C, Saso L. Nrf2 Pathway in Huntington's Disease (HD): What Is Its Role? Int J Mol Sci 2022; 23:ijms232315272. [PMID: 36499596 PMCID: PMC9739588 DOI: 10.3390/ijms232315272] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 11/22/2022] [Accepted: 12/01/2022] [Indexed: 12/08/2022] Open
Abstract
Huntington's disease (HD) is an autosomal dominant neurodegenerative disease that occurs worldwide. Despite some progress in understanding the onset of HD, drugs that block or delay symptoms are still not available. In recent years, many treatments have been proposed; among them, nuclear transcriptional factor-2 (Nrf2) enhancer compounds have been proposed as potential therapeutic agents to treat HD. Nrf2 triggers an endogenous antioxidant pathway activated in different neurodegenerative disorders. Probably, the stimulation of Nrf2 during either the early phase or before HD symptoms' onset, could slow or prevent striatum degeneration. In this review, we present the scientific literature supporting the role of Nrf2 in HD and the potential prophylactic and therapeutic role of this compound.
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Affiliation(s)
- Paolo Tucci
- Department of Clinical and Experimental Medicine, University of Foggia, 71122 Foggia, Italy
| | - Roberta Lattanzi
- Department of Physiology and Pharmacology “Vittorio Erspamer”, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Cinzia Severini
- Institute of Biochemistry and Cell Biology (IBBC), National Research Council of Italy (CNR), Viale del Policlinico 155, 00161 Rome, Italy
| | - Luciano Saso
- Department of Physiology and Pharmacology “Vittorio Erspamer”, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
- Correspondence:
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Role of Nrf2 in aging, Alzheimer's and other neurodegenerative diseases. Ageing Res Rev 2022; 82:101756. [PMID: 36243357 DOI: 10.1016/j.arr.2022.101756] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 09/14/2022] [Accepted: 10/09/2022] [Indexed: 01/31/2023]
Abstract
Nuclear Factor-Erythroid Factor 2 (Nrf2) is an important transcription factor that regulates the expression of large number of genes in healthy and disease states. Nrf2 is made up of 605 amino acids and contains 7 conserved regions known as Nrf2-ECH homology domains. Nrf2 regulates the expression of several key components of oxidative stress, mitochondrial biogenesis, mitophagy, autophagy and mitochondrial function in all organs of the human body, in the peripheral and central nervous systems. Mounting evidence also suggests that altered expression of Nrf2 is largely involved in aging, neurodegenerative diseases, including Alzheimer's disease, Parkinson's disease, Huntington's diseases, Amyotrophic lateral sclerosis, Stroke, Multiple sclerosis and others. The purpose of this article is to detail the essential role of Nrf2 in oxidative stress, antioxidative defense, detoxification, inflammatory responses, transcription factors, proteasomal and autophagic/mitophagic degradation, and metabolism in aging and neurodegenerative diseases. This article also highlights the Nrf2 structural and functional activities in healthy and disease states, and also discusses the current status of Nrf2 research and therapeutic strategies to treat aging and neurodegenerative diseases.
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Achenbach J, Saft C, Faissner S, Ellrichmann G. Positive effect of immunomodulatory therapies on disease progression in Huntington's disease? Data from a real-world cohort. Ther Adv Neurol Disord 2022; 15:17562864221109750. [PMID: 35899100 PMCID: PMC9310279 DOI: 10.1177/17562864221109750] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Accepted: 06/09/2022] [Indexed: 11/17/2022] Open
Abstract
Background: The role of neuroinflammation and autoimmune processes in neurodegenerative diseases is not fully understood. Activation of microglia with expression of proinflammatory cytokines supports the hypothesis that immune processes may play an important role in the pathophysiology of Huntington’s disease (HD) and thus, immunomodulating therapies might have potential neuroprotective properties. Until now, no disease-modifying therapy (DMT) is available for HD. Objective: The aim of this research was to characterize a cohort of patients suffering from both HD and autoimmune demyelinating diseases of the central nervous system (classified as G35-37 in ICD-10; ADD-CNS) in comparison to HD cases without ADD-CNS. In particular, we were interested to investigate potential modulating effects on disease manifestation and progression of HD over time of prescribed immunomodulating medications (DMT). Methods: We analyzed the course of HD regarding motoric, functional, and cognitive aspects, using longitudinal data of up to 2 years from the worldwide registry study ENROLL-HD. Additional cross-sectional data in the largest cohort worldwide of HD patients was analyzed using demographic and molecular genetic parameters. Data were analyzed using analysis of variance (ANOVA) for cross-sectional and repeated-measures ANOVA for longitudinal parameters in IBM SPSS Statistics V.27. Results: Within the ENROLL-HD database, we investigated N = 21,116 participants and identified n = 60 participants suffering from ADD-CNS. Molecular, genetic, and demographic data did not differ between groups. The subgroup of n = 32 participants with motor-manifest HD revealed better cognitive performance in five out of eight cognitive tests at baseline with less progression over time in two tests (all p < 0.05). Differentiation between DMT-treated and untreated patients revealed better cognitive and motor performance in the DMT group; those patients, however, tended to be younger. Pre-manifest HD patients simultaneously diagnosed with ADD-CNS (n = 12) showed lower functional scores and more decline over time when compared with other pre-manifest HD (p < 0.05). Conclusion: Patients suffering from motor-manifest HD and simultaneously from ADD-CNS have better cognitive capacities compared with other motor-manifest HD patients. Moreover, DMTs might have beneficial effects on progression of neurodegeneration including the motor phenotype. However, this effect might have been biased by younger age in DMT-treated patients. Pre-manifest HD patients showed more functional impairment as expected due to their additional ADD-CNS disease.
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Affiliation(s)
- Jannis Achenbach
- Department of Neurology, Huntington Center North Rhine-Westphalia, Ruhr-University Bochum, St. Josef-Hospital Bochum, Gudrunstraße 56, Bochum 44791, Germany
| | - Carsten Saft
- Department of Neurology, Huntington Center North Rhine-Westphalia, Ruhr-University Bochum, St. Josef-Hospital Bochum, Bochum, Germany
| | - Simon Faissner
- Department of Neurology, Huntington Center North Rhine-Westphalia, Ruhr-University Bochum, St. Josef-Hospital Bochum, Bochum, Germany
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Majkutewicz I. Dimethyl fumarate: A review of preclinical efficacy in models of neurodegenerative diseases. Eur J Pharmacol 2022; 926:175025. [DOI: 10.1016/j.ejphar.2022.175025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 04/27/2022] [Accepted: 05/09/2022] [Indexed: 11/03/2022]
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Minj E, Upadhayay S, Mehan S. Nrf2/HO-1 Signaling Activator Acetyl-11-keto-beta Boswellic Acid (AKBA)-Mediated Neuroprotection in Methyl Mercury-Induced Experimental Model of ALS. Neurochem Res 2021; 46:2867-2884. [PMID: 34075522 DOI: 10.1007/s11064-021-03366-2] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2020] [Revised: 04/28/2021] [Accepted: 05/27/2021] [Indexed: 12/12/2022]
Abstract
Methylmercury (MeHg) is a potent neurotoxin that causes neurotoxicity and neuronal cell death. MeHg exposure also leads to oligodendrocyte destruction, glial cell overactivation, and demyelination of motor neurons in the motor cortex and spinal cord. As a result, MeHg plays an important role in the progression of amyotrophic lateral sclerosis (ALS)-like neurocomplications. ALS is a fatal neurodegenerative disorder in which neuroinflammation is the leading cause of further CNS demyelination. Nuclear factor erythroid-2-related factor-2 (Nrf2)/Heme oxygenase-1 (HO-1) signaling pathway was thought to be a potential target for neuroprotection in ALS. Acetyl-11-keto-beta-boswellic acid (AKBA) is a multi-component pentacyclic triterpenoid mixture derived from Boswellia serrata with anti-inflammatory and antioxidant properties. The research aimed to investigate whether AKBA, as a Nrf2 / HO-1 activator, can provide protection against ALS. Thus, we explored the role of AKBA on the Nrf2/HO-1 signaling pathway in a MeHg-induced experimental ALS model. In this study, ALS was induced in Wistar rats by oral gavage of MeHg 5 mg/kg for 21 days. An open field test, force swim test, and grip strength were performed to observe experimental rats' motor coordination behaviors. In contrast, a morris water maze was performed for learning and memory. Administration of AKBA 50 mg/kg and AKBA 100 mg/kg continued from day 22 to 42. Neurochemical parameters were evaluated in the rat's brain homogenate. In the meantime, post-treatment with AKBA significantly improved behavioral, neurochemical, and gross pathological characteristics in the brain of rats by increasing the amount of Nrf2/HO-1 in brain tissue. Collectively, our findings indicated that AKBA could potentially avoid demyelination and encourage remyelination.
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Affiliation(s)
- Elizabeth Minj
- Neuropharmacology Division, Department of Pharmacology, ISF College of Pharmacy, Moga, 142001, Punjab, India
| | - Shubham Upadhayay
- Neuropharmacology Division, Department of Pharmacology, ISF College of Pharmacy, Moga, 142001, Punjab, India
| | - Sidharth Mehan
- Neuropharmacology Division, Department of Pharmacology, ISF College of Pharmacy, Moga, 142001, Punjab, India.
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Differential Diagnosis of Chorea-HIV Infection Delays Diagnosis of Huntington's Disease by Years. Brain Sci 2021; 11:brainsci11060710. [PMID: 34071882 PMCID: PMC8229235 DOI: 10.3390/brainsci11060710] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Revised: 05/20/2021] [Accepted: 05/25/2021] [Indexed: 01/16/2023] Open
Abstract
Background: There is a broad range of potential differential diagnoses for chorea. Besides rare, inherited neurodegenerative diseases such as Huntington’s disease (HD) chorea can accompany basal ganglia disorders due to vasculitis or infections, e.g., with the human immunodeficiency virus (HIV). The clinical picture is complicated by the rare occurrence of HIV infection and HD. Methods: First, we present a case suffering simultaneously from HIV and HD (HIV/HD) focusing on clinical manifestation and disease onset. We investigated cross-sectional data regarding molecular genetic, motoric, cognitive, functional, and psychiatric disease manifestation of HIV/HD in comparison to motor-manifest HD patients without HIV infection (nonHIV/HD) in the largest cohort of HD patients worldwide using the registry study ENROLL-HD. Data were analyzed using ANCOVA analyses controlling for covariates of age and CAG repeat length between groups in IBM SPSS Statistics V.25. Results: The HD diagnosis in our case report was delayed by approximately nine years due to the false assumption that the HIV infection might have been the cause of chorea. Out of n = 21,116 participants in ENROLL-HD, we identified n = 10,125 motor-manifest HD patients. n = 23 male participants were classified as suffering from HIV infection as a comorbidity, compared to n = 4898 male non-HIV/HD patients. Except for age, with HIV/HD being significantly younger (p < 0.050), we observed no group differences regarding sociodemographic, genetic, educational, motoric, functional, and cognitive parameters. Male HIV/HD patients reported about a 5.3-year-earlier onset of HD symptoms noticed by themselves compared to non-HIV/HD (p < 0.050). Moreover, patients in the HIV/HD group had a longer diagnostic delay of 1.8 years between onset of symptoms and HD diagnosis and a longer time regarding assessment of first symptoms by the rater and judgement of the patient (all p < 0.050). Unexpectedly, HIV/HD patients showed less irritability in the Hospital Anxiety and Depression Scale (all p < 0.05). Conclusions: The HD diagnosis in HIV-infected male patients is secured with a diagnostic delay between first symptoms noticed by the patient and final diagnosis. Treating physicians therefore should be sensitized to think of potential alternative diagnoses in HIV-infected patients also afflicted by movement disorders, especially if there is evidence of subcortical atrophy and a history of hyperkinesia, even without a clear HD-family history. Those patients should be transferred for early genetic testing to avoid further unnecessary diagnostics and improve sociomedical care.
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Abstract
Significance: The molecular processes that determine Huntington's disease (HD) pathogenesis are not yet fully understood, and until now no effective neuroprotective therapeutic strategies have been developed. Mitochondria are one of most important organelles required for neuronal homeostasis, by providing metabolic pathways relevant for energy production, regulating calcium homeostasis, or controlling free radical generation and cell death. Because augmented reactive oxygen species (ROS) accompanied by mitochondrial dysfunction are relevant early HD mechanisms, targeting these cellular mechanisms may constitute relevant therapeutic approaches. Recent Advances: Previous findings point toward a close relationship between mitochondrial dysfunction and redox changes in HD. Mutant huntingtin (mHTT) can directly interact with mitochondrial proteins, as translocase of the inner membrane 23 (TIM23), disrupting mitochondrial proteostasis and favoring ROS production and HD progression. Furthermore, abnormal brain and muscle redox signaling contributes to altered proteostasis and motor impairment in HD, which can be improved with the mitochondria-targeted antioxidant mitoquinone or resveratrol, an SIRT1 activator that ameliorates mitochondrial biogenesis and function. Critical Issues: Various antioxidants and metabolic enhancers have been studied in HD; however, the real outcome of these molecules is still debatable. New compounds have proven to ameliorate mitochondrial and redox-based signaling pathways in early stages of HD, potentially precluding selective neurodegeneration. Future Directions: Unraveling the molecular etiology of deregulated mitochondrial function and dynamics, and oxidative stress opens new prospects for HD therapeutics. In this review, we explore the role of redox unbalance and mitochondrial dysfunction in HD progression, and further describe advances on clinical trials in HD based on mitochondrial and redox-based therapeutic strategies.
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Affiliation(s)
- Lígia Fão
- Center for Neuroscience and Cell Biology (CNC), University of Coimbra, Coimbra, Portugal.,Faculty of Medicine, University of Coimbra, Coimbra, Portugal.,CIBB-Center for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal
| | - Ana Cristina Rego
- Center for Neuroscience and Cell Biology (CNC), University of Coimbra, Coimbra, Portugal.,Faculty of Medicine, University of Coimbra, Coimbra, Portugal.,CIBB-Center for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal
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Dimethyl Fumarate, an Approved Multiple Sclerosis Treatment, Reduces Brain Oxidative Stress in SIV-Infected Rhesus Macaques: Potential Therapeutic Repurposing for HIV Neuroprotection. Antioxidants (Basel) 2021; 10:antiox10030416. [PMID: 33803289 PMCID: PMC7998206 DOI: 10.3390/antiox10030416] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 03/01/2021] [Accepted: 03/05/2021] [Indexed: 12/16/2022] Open
Abstract
Dimethyl fumarate (DMF), an antioxidant/anti-inflammatory drug approved for the treatment of multiple sclerosis, induces antioxidant enzymes, in part through transcriptional upregulation. We hypothesized that DMF administration to simian immunodeficiency virus (SIV)-infected rhesus macaques would induce antioxidant enzyme expression and reduce oxidative injury and inflammation throughout the brain. Nine SIV-infected, CD8+-T-lymphocyte-depleted rhesus macaques were studied. Five received oral DMF prior to the SIV infection and through to the necropsy day. Protein expression was analyzed in 11 brain regions, as well as the thymus, liver, and spleen, using Western blot and immunohistochemistry for antioxidant, inflammatory, and neuronal proteins. Additionally, oxidative stress was determined in brain sections using immunohistochemistry (8-OHdG, 3NT) and optical redox imaging of oxidized flavoproteins containing flavin adenine dinucleotide (Fp) and reduced nicotinamide adenine dinucleotide (NADH). The DMF treatment was associated with no changes in virus replication; higher expressions of the antioxidant enzymes NQO1, GPX1, and HO-1 in the brain and PRDX1 and HO-2 in the spleen; lower levels of 8-OHdG and 3NT; a lower optical redox ratio. The DMF treatment was also associated with increased expressions of cell-adhesion molecules (VCAM-1, ICAM-1) and no changes in HLA-DR, CD68, GFAP, NFL, or synaptic proteins. The concordantly increased brain antioxidant enzyme expressions and reduced oxidative stress in DMF-treated SIV-infected macaques suggest that DMF could limit oxidative stress throughout the brain through effective induction of the endogenous antioxidant response. We propose that DMF could potentially induce neuroprotective brain responses in persons living with HIV.
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Edwards KR, Kamath A, Button J, Kamath V, Mendoza JP, Zhu B, Plavina T, Woodward C, Penner N. A pharmacokinetic and biomarker study of delayed-release dimethyl fumarate in subjects with secondary progressive multiple sclerosis: evaluation of cerebrospinal fluid penetration and the effects on exploratory biomarkers. Mult Scler Relat Disord 2021; 51:102861. [PMID: 33773271 DOI: 10.1016/j.msard.2021.102861] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 01/11/2021] [Accepted: 02/22/2021] [Indexed: 11/25/2022]
Abstract
BACKGROUND Biomarkers are a useful and reliable measure of disease activity in many fields of medicine. Axonal and glial biomarkers in multiple sclerosis (MS) are being applied more often as technology is improving and becoming increasingly reliable. Nonclinical studies have shown dimethyl fumarate (DMF) to have cytoprotective and anti-inflammatory effects. The purpose of this study is to explore the pharmacokinetics (PK) of DMF (by measuring MMF, the active compound) in serum and cerebrospinal fluid (CSF) as well as relevant biomarker data for patients with secondary progressive MS (pwSPMS) and whether there is objective evidence for neuroprotection in pwSPMS treated with DMF. METHODS Sixteen pwSPMS had serum and cerebrospinal fluid (CSF) evaluation for PK studies levels of MMF at various time points after ingestion of DMF. The CSF biomarkers neurofilament light chain (NfL), glial fibrillary acidic protein (GFAP), ubiquitin carboxyo-terminal hydrolase isozyme L1 (UCH-L1) and total tau (T-tau) were measured at baseline, week 6 and week 28 after initiating DMF with a starting dose of 120 mg twice daily for 4 weeks, followed by a maintenance dose of 240 mg twice daily. Clinical correlation of these patients with EDSS and MRI at these same time periods were made with the biomarkers. Four normal human volunteers had CSF studies for biomarkers at baseline. RESULTS PK data showed CSF MMF concentration 11% of plasma with Tmax of plasma at 5 hr and Tmax of CSF at 7 hr. Biomarker data showed that CS NfL and to a lesser extent, GFAP, but not UCH-L1 nor T-tau showed relevant changes with clinical data. Some pwSPMS receiving DMF showed clinical improvements in Expanded Disability Status Scale (EDSS). Biomarker changes, but not MRI, correlated with clinical measures in this group of pwSPMS over the observation period. CONCLUSIONS PK data showed that the Tmax of CSF MMF peaked only 2 hours later than that of plasma with 11% measured in the CSF so that MMF readily crossed the blood brain barrier allowing potential direct penetration into the brain. NfL CSF levels, and to a lesser extent, GFAP CSF levels, showed correlation to disease activity in pwSPMS . These data suggest that DMF may have some benefit in reducing disease activity in pwSPMS if studied for a longer duration and larger well-controlled studies are warranted. DMF was reasonably well tolerated but 3 of the 16 patients did discontinue DMF at 6 weeks due to persistent side effects. NfL appeared to be more clinically relevant biomarker than brain MRI in this this group during the 28-week study period.
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Affiliation(s)
- Keith R Edwards
- The Multiple Sclerosis Center of Northeastern New York, Latham, NY, USA.
| | - Aneesh Kamath
- The Multiple Sclerosis Center of Northeastern New York, Latham, NY, USA
| | - Judy Button
- The Multiple Sclerosis Center of Northeastern New York, Latham, NY, USA
| | - Vineetha Kamath
- The Multiple Sclerosis Center of Northeastern New York, Latham, NY, USA
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Manjula R, Anuja K, Alcain FJ. SIRT1 and SIRT2 Activity Control in Neurodegenerative Diseases. Front Pharmacol 2021; 11:585821. [PMID: 33597872 PMCID: PMC7883599 DOI: 10.3389/fphar.2020.585821] [Citation(s) in RCA: 79] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Accepted: 10/21/2020] [Indexed: 12/12/2022] Open
Abstract
Sirtuins are NAD+ dependent histone deacetylases (HDAC) that play a pivotal role in neuroprotection and cellular senescence. SIRT1-7 are different homologs from sirtuins. They play a prominent role in many aspects of physiology and regulate crucial proteins. Modulation of sirtuins can thus be utilized as a therapeutic target for metabolic disorders. Neurological diseases have distinct clinical manifestations but are mainly age-associated and due to loss of protein homeostasis. Sirtuins mediate several life extension pathways and brain functions that may allow therapeutic intervention for age-related diseases. There is compelling evidence to support the fact that SIRT1 and SIRT2 are shuttled between the nucleus and cytoplasm and perform context-dependent functions in neurodegenerative diseases including Alzheimer's disease (AD), Parkinson's disease (PD), and Huntington's disease (HD). In this review, we highlight the regulation of SIRT1 and SIRT2 in various neurological diseases. This study explores the various modulators that regulate the activity of SIRT1 and SIRT2, which may further assist in the treatment of neurodegenerative disease. Moreover, we analyze the structure and function of various small molecules that have potential significance in modulating sirtuins, as well as the technologies that advance the targeted therapy of neurodegenerative disease.
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Affiliation(s)
- Ramu Manjula
- Department of Pharmacology, Yale School of Medicine, New Haven, CT, United States
| | - Kumari Anuja
- School of Biotechnology, KIIT University, Bhubaneswar, India
| | - Francisco J. Alcain
- Department of Medical Sciences, Faculty of Medicine, University of Castilla-La Mancha, Albacete, Spain
- Oxidative Stress and Neurodegeneration Group, Regional Center for Biomedical Research, University of Castilla-La Mancha, Ciudad Real, Spain
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18
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Gureev AP, Sadovnikova IS, Starkova NN, Starkov AA, Popov VN. p62-Nrf2-p62 Mitophagy Regulatory Loop as a Target for Preventive Therapy of Neurodegenerative Diseases. Brain Sci 2020; 10:brainsci10110847. [PMID: 33198234 PMCID: PMC7696015 DOI: 10.3390/brainsci10110847] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 11/08/2020] [Accepted: 11/09/2020] [Indexed: 12/16/2022] Open
Abstract
Turnover of the mitochondrial pool due to coordinated processes of mitochondrial biogenesis and mitophagy is an important process in maintaining mitochondrial stability. An important role in this process is played by the Nrf2/ARE signaling pathway, which is involved in the regulation of the expression of genes responsible for oxidative stress protection, regulation of mitochondrial biogenesis, and mitophagy. The p62 protein is a multifunctional cytoplasmic protein that functions as a selective mitophagy receptor for the degradation of ubiquitinated substrates. There is evidence that p62 can positively regulate Nrf2 by binding to its negative regulator, Keap1. However, there is also strong evidence that Nrf2 up-regulates p62 expression. Thereby, a regulatory loop is formed between two important signaling pathways, which may be an important target for drugs aimed at treating neurodegeneration. Constitutive activation of p62 in parallel with Nrf2 would most likely result in the activation of mTORC1-mediated signaling pathways that are associated with the development of malignant neoplasms. The purpose of this review is to describe the p62-Nrf2-p62 regulatory loop and to evaluate its role in the regulation of mitophagy under various physiological conditions.
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Affiliation(s)
- Artem P. Gureev
- Department of Genetics, Cytology and Bioengineering, Voronezh State University, 394018 Voronezh, Russia; (I.S.S.); (V.N.P.)
- Correspondence:
| | - Irina S. Sadovnikova
- Department of Genetics, Cytology and Bioengineering, Voronezh State University, 394018 Voronezh, Russia; (I.S.S.); (V.N.P.)
| | | | - Anatoly A. Starkov
- Neuroscience Department, Feil Family Brain and Mind Research Institute, Weill Cornell Medicine, New York, NY 10065, USA;
| | - Vasily N. Popov
- Department of Genetics, Cytology and Bioengineering, Voronezh State University, 394018 Voronezh, Russia; (I.S.S.); (V.N.P.)
- Voronezh State University of Engineering Technologies, 394018 Voronezh, Russia
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19
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Taguchi K, Izumi Y, Takada-Takatori Y, Akaike A, Kume T. Protective Effect of 2',3'-Dihydroxy-4',6'-dimethoxychalcone on Glutamate-Induced Neurotoxicity in Primary Cortical Cultures. Biol Pharm Bull 2020; 43:184-187. [PMID: 31902924 DOI: 10.1248/bpb.b19-00718] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
We have previously isolated 2',3'-dihydroxy-4',6'-dimethoxychalcone (DDC) from green perilla leaves as the activator of the nuclear factor erythroid 2-related factor 2 (Nrf2)-antioxidant response element (ARE) pathway. This study aims to evaluate the effects of DDC against glutamate neurotoxicity using rat primary cortical cultures. Treatment of cultures with DDC for 24 h before glutamate exposure significantly inhibited glutamate neurotoxicity in a concentration-dependent manner. The involvement of hemeoxygenase-1 (HO-1) and reduced glutathione (GSH) in the protective effects of DDC on cortical cultures was also evaluated. While an HO-1 inhibitor did not have a significant effect on DDC-induced neuroprotection, a γ-glutamylcystein synthetase (γ-GCS) inhibitor significantly suppressed the protective effect of DDC. In an astrocyte culture, DDC induced a marked increase in the levels of intracellular reduced GSH. These results suggest that DDC mainly activates the Nrf2-ARE pathway of astrocytes, resulting in the increased extracellular release of reduced GSH, protecting neurons from glutamate neurotoxicity.
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Affiliation(s)
- Kazuya Taguchi
- Department of Pharmacology, Graduate School of Pharmaceutical Sciences, Kyoto University
| | - Yasuhiko Izumi
- Department of Pharmacology, Graduate School of Pharmaceutical Sciences, Kyoto University.,Laboratory of Pharmacology, Kobe Pharmaceutical University
| | - Yuki Takada-Takatori
- Department of Rational Medicinal Science, Faculty of Pharmaceutical Sciences, Doshisha Women's College
| | - Akinori Akaike
- Department of Pharmacology, Graduate School of Pharmaceutical Sciences, Kyoto University.,Wakayama Medical University
| | - Toshiaki Kume
- Department of Pharmacology, Graduate School of Pharmaceutical Sciences, Kyoto University.,Department of Applied Pharmacology, Graduate School of Medical and Pharmaceutical Sciences, University of Toyama
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20
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Casares L, Unciti-Broceta JD, Prados ME, Caprioglio D, Mattoteia D, Higgins M, Apendino G, Dinkova-Kostova AT, Muñoz E, de la Vega L. Isomeric O-methyl cannabidiolquinones with dual BACH1/NRF2 activity. Redox Biol 2020; 37:101689. [PMID: 32863231 PMCID: PMC7476313 DOI: 10.1016/j.redox.2020.101689] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 07/31/2020] [Accepted: 08/17/2020] [Indexed: 01/04/2023] Open
Abstract
Oxidative stress and inflammation in the brain are two key hallmarks of neurodegenerative diseases (NDs) such as Alzheimer's, Parkinson's, Huntington's and multiple sclerosis. The axis NRF2-BACH1 has anti-inflammatory and anti-oxidant properties that could be exploited pharmacologically to obtain neuroprotective effects. Activation of NRF2 or inhibition of BACH1 are, individually, promising therapeutic approaches for NDs. Compounds with dual activity as NRF2 activators and BACH1 inhibitors, could therefore potentially provide a more robust antioxidant and anti-inflammatory effects, with an overall better neuroprotective outcome. The phytocannabinoid cannabidiol (CBD) inhibits BACH1 but lacks significant NRF2 activating properties. Based on this scaffold, we have developed a novel CBD derivative that is highly effective at both inhibiting BACH1 and activating NRF2. This new CBD derivative provides neuroprotection in cell models of relevance to Huntington's disease, setting the basis for further developments in vivo.
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Affiliation(s)
- Laura Casares
- Jacqui Wood Cancer Centre, Division of Cellular Medicine, School of Medicine, University of Dundee, UK
| | | | | | - Diego Caprioglio
- Dipartimento di Scienze Del Farmaco, Università Del Piemonte Orientale, Novara, Italy
| | - Daiana Mattoteia
- Dipartimento di Scienze Del Farmaco, Università Del Piemonte Orientale, Novara, Italy
| | - Maureen Higgins
- Jacqui Wood Cancer Centre, Division of Cellular Medicine, School of Medicine, University of Dundee, UK
| | - Giovanni Apendino
- Dipartimento di Scienze Del Farmaco, Università Del Piemonte Orientale, Novara, Italy
| | - Albena T Dinkova-Kostova
- Jacqui Wood Cancer Centre, Division of Cellular Medicine, School of Medicine, University of Dundee, UK
| | - Eduardo Muñoz
- Instituto Maimónides de Investigación Biomédica de Córdoba, Spain; Departamento de Biología Celular, Fisiología e Inmunología, Universidad de Córdoba, Spain; Hospital Universitario Reina Sofía, Córdoba, Spain
| | - Laureano de la Vega
- Jacqui Wood Cancer Centre, Division of Cellular Medicine, School of Medicine, University of Dundee, UK.
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21
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Scuderi SA, Ardizzone A, Paterniti I, Esposito E, Campolo M. Antioxidant and Anti-inflammatory Effect of Nrf2 Inducer Dimethyl Fumarate in Neurodegenerative Diseases. Antioxidants (Basel) 2020; 9:antiox9070630. [PMID: 32708926 PMCID: PMC7402174 DOI: 10.3390/antiox9070630] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 07/13/2020] [Accepted: 07/14/2020] [Indexed: 12/13/2022] Open
Abstract
Neurodegenerative diseases (NDs) represents debilitating conditions characterized by degeneration of neuronal cells in specific brain areas, causing disability and death in patients. In the pathophysiology of NDs, oxidative stress, apoptosis and neuroinflammation have a key role, as demonstrated by in vivo and in vitro models. Therefore, the use of molecules with antioxidant and anti-inflammatory activities represents a possible strategy for the treatment of NDs. Many studies demonstrated the beneficial effects of fumaric acid esters (FAEs) to counteract neuroinflammation and oxidative stress. Among these molecules, dimethyl fumarate (DMF) showed a valid therapeutic approach to slow down neurodegeneration and relieve symptoms in patients with NDs. DMF is a methyl ester of fumaric acid and acts as modulator of the nuclear factor erythroid 2-related factor 2 (Nrf2) pathway as well as nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) translocation. Therefore, this review aims to examine the potential beneficial effects of DMF to counteract oxidative stress and inflammation in patients with NDs.
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22
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Reactive Species in Huntington Disease: Are They Really the Radicals You Want to Catch? Antioxidants (Basel) 2020; 9:antiox9070577. [PMID: 32630706 PMCID: PMC7401865 DOI: 10.3390/antiox9070577] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 06/22/2020] [Accepted: 06/26/2020] [Indexed: 02/06/2023] Open
Abstract
Huntington disease (HD) is a neurodegenerative condition and one of the so-called rare or minority diseases, due to its low prevalence (affecting 1–10 of every 100,000 people in western countries). The causative gene, HTT, encodes huntingtin, a protein with a yet unknown function. Mutant huntingtin causes a range of phenotypes, including oxidative stress and the activation of microglia and astrocytes, which leads to chronic inflammation of the brain. Although substantial efforts have been made to find a cure for HD, there is currently no medical intervention able to stop or even delay progression of the disease. Among the many targets of therapeutic intervention, oxidative stress and inflammation have been extensively studied and some clinical trials have been promoted to target them. In the present work, we review the basic research on oxidative stress in HD and the strategies used to fight it. Many of the strategies to reduce the phenotypes associated with oxidative stress have produced positive results, yet no substantial functional recovery has been observed in animal models or patients with the disease. We discuss possible explanations for this and suggest potential ways to overcome it.
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23
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Carlström KE, Chinthakindi PK, Espinosa B, Al Nimer F, Arnér ESJ, Arvidsson PI, Piehl F, Johansson K. Characterization of More Selective Central Nervous System Nrf2-Activating Novel Vinyl Sulfoximine Compounds Compared to Dimethyl Fumarate. Neurotherapeutics 2020; 17:1142-1152. [PMID: 32394330 PMCID: PMC7609514 DOI: 10.1007/s13311-020-00855-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
The Nrf2 transcription factor is a key regulator of redox reactions and considered the main target for the multiple sclerosis (MS) drug dimethyl fumarate (DMF). However, exploration of additional Nrf2-activating compounds is motivated, since DMF displays significant off-target effects and has a relatively poor penetrance to the central nervous system (CNS). We de novo synthesized eight vinyl sulfone and sulfoximine compounds (CH-1-CH-8) and evaluated their capacity to activate the transcription factors Nrf2, NFκB, and HIF1 in comparison with DMF using the pTRAF platform. The novel sulfoximine CH-3 was the most promising candidate and selected for further comparison in vivo and later an experimental model for traumatic brain injury (TBI). CH-3 and DMF displayed comparable capacity to activate Nrf2 and downstream transcripts in vitro, but with less off-target effects on HIF1 from CH-3. This was verified in cultured microglia and oligodendrocytes (OLs) and subsequently in vivo in rats. Following TBI, DMF lowered the number of leukocytes in blood and also decreased axonal degeneration. CH-3 preserved or increased the number of pre-myelinating OL. While both CH-3 and DMF activated Nrf2, CH-3 showed less off-target effects and displayed more selective OL associated effects. Further studies with Nrf2-acting compounds are promising candidates to explore potential myelin protective or regenerative effects in demyelinating disorders.
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Affiliation(s)
- Karl E Carlström
- Department of Clinical Neurosciences, Section of Neurology, Karolinska Institutet, 17177, Stockholm, Sweden.
| | - Praveen K Chinthakindi
- Catalysis and Peptide Research Unit, University of KwaZulu Natal, Durban, 4000, South Africa
- Department of Medicinal Chemistry, Drug Design and Discovery, Uppsala University, Box 574, 75123, Uppsala, Sweden
| | - Belén Espinosa
- Department of Medical Biochemistry and Biophysics, Division of Biochemistry, Karolinska Institutet, 17177, Stockholm, Sweden
| | - Faiez Al Nimer
- Department of Clinical Neurosciences, Section of Neurology, Karolinska Institutet, 17177, Stockholm, Sweden
| | - Elias S J Arnér
- Department of Medical Biochemistry and Biophysics, Division of Biochemistry, Karolinska Institutet, 17177, Stockholm, Sweden
| | - Per I Arvidsson
- Catalysis and Peptide Research Unit, University of KwaZulu Natal, Durban, 4000, South Africa
- Department of Medical Biochemistry and Biophysics, Science for Life Laboratory, Drug Discovery and Development Platform and Division of Translational Medicine and Chemical Biology, Karolinska Institutet, 171 21, Solna, Sweden
| | - Fredrik Piehl
- Department of Clinical Neurosciences, Section of Neurology, Karolinska Institutet, 17177, Stockholm, Sweden
| | - Katarina Johansson
- Department of Medical Biochemistry and Biophysics, Division of Biochemistry, Karolinska Institutet, 17177, Stockholm, Sweden
- Pfizer Innovation AB, 19190, Sollentuna, Sweden
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24
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Kempe PRG, Chiarotto GB, Barraviera B, Ferreira RS, de Oliveira ALR. Neuroprotection and immunomodulation by dimethyl fumarate and a heterologous fibrin biopolymer after ventral root avulsion and reimplantation. J Venom Anim Toxins Incl Trop Dis 2020; 26:e20190093. [PMID: 32518556 PMCID: PMC7250131 DOI: 10.1590/1678-9199-jvatitd-2019-0093] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Background: Ventral root avulsion (VRA) is an experimental approach in which there is an abrupt separation of the motor roots from the surface of the spinal cord. As a result, most of the axotomized motoneurons degenerate by the second week after injury, and the significant loss of synapses and increased glial reaction triggers a chronic inflammatory state. Pharmacological treatment associated with root reimplantation is thought to overcome the degenerative effects of VRA. Therefore, treatment with dimethyl fumarate (DMF), a drug with neuroprotective and immunomodulatory effects, in combination with a heterologous fibrin sealant/biopolymer (FS), a biological glue, may improve the regenerative response. Methods: Adult female Lewis rats were subjected to VRA of L4-L6 roots followed by reimplantation and daily treatment with DMF for four weeks. Survival times were evaluated 1, 4 or 12 weeks after surgery. Neuronal survival assessed by Nissl staining, glial reactivity (anti-GFAP for astrocytes and anti-Iba-1 for microglia) and synapse preservation (anti-VGLUT1 for glutamatergic inputs and anti-GAD65 for GABAergic inputs) evaluated by immunofluorescence, gene expression (pro- and anti-inflammatory molecules) and motor function recovery were measured. Results: Treatment with DMF at a dose of 15 mg/kg was found to be neuroprotective and immunomodulatory because it preserved motoneurons and synapses and decreased astrogliosis and microglial reactions, as well as downregulated the expression of pro-inflammatory gene transcripts. Conclusion: The pharmacological benefit was further enhanced when associated with root reimplantation with FS, in which animals recovered at least 50% of motor function, showing the efficacy of employing multiple regenerative approaches following spinal cord root injury.
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Affiliation(s)
- Paula R G Kempe
- Laboratory of Nerve Regeneration, University of Campinas (UNICAMP), Campinas, SP, Brazil
| | | | - Benedito Barraviera
- Center for the Study of Venoms and Venomous Animals (CEVAP), São Paulo State University (UNESP), Botucatu, SP, Brazil
| | - Rui Seabra Ferreira
- Center for the Study of Venoms and Venomous Animals (CEVAP), São Paulo State University (UNESP), Botucatu, SP, Brazil
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25
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La Rosa P, Petrillo S, Bertini ES, Piemonte F. Oxidative Stress in DNA Repeat Expansion Disorders: A Focus on NRF2 Signaling Involvement. Biomolecules 2020; 10:biom10050702. [PMID: 32369911 PMCID: PMC7277112 DOI: 10.3390/biom10050702] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 04/24/2020] [Accepted: 04/27/2020] [Indexed: 12/13/2022] Open
Abstract
DNA repeat expansion disorders are a group of neuromuscular and neurodegenerative diseases that arise from the inheritance of long tracts of nucleotide repetitions, located in the regulatory region, introns, or inside the coding sequence of a gene. Although loss of protein expression and/or the gain of function of its transcribed mRNA or translated product represent the major pathogenic effect of these pathologies, mitochondrial dysfunction and imbalance in redox homeostasis are reported as common features in these disorders, deeply affecting their severity and progression. In this review, we examine the role that the redox imbalance plays in the pathological mechanisms of DNA expansion disorders and the recent advances on antioxidant treatments, particularly focusing on the expression and the activity of the transcription factor NRF2, the main cellular regulator of the antioxidant response.
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26
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Casili G, Lanza M, Filippone A, Campolo M, Paterniti I, Cuzzocrea S, Esposito E. Dimethyl fumarate alleviates the nitroglycerin (NTG)-induced migraine in mice. J Neuroinflammation 2020; 17:59. [PMID: 32066464 PMCID: PMC7469611 DOI: 10.1186/s12974-020-01736-1] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Accepted: 02/05/2020] [Indexed: 12/12/2022] Open
Abstract
Background Oxidative stress and inflammatory pathways are involved in migraine and endogenous antioxidant defense system has a role in the prevention of hyperalgesia in migraine. In this study, we aimed to evaluate the role of the most pharmacologically effective molecules among the fumaric acid esters (FAEs), dimethyl fumarate, nuclear factor E2-related factor 2/antioxidant response element (Nrf-2/ARE) pathway-mediated, in regulating the hypersensitivity in a mouse model of nitroglycerine (NTG)-induced migraine. Methods Mice were orally administered with DMF at the doses of 10, 30, and 100 mg/kg, 5 min after NTG intraperitoneal injections. We performed histological and molecular analysis on the whole brain and behavioral tests after 4 h by NTG-migraine induction. The expression of nuclear factor kappa-light-chain-enhancer of activated B cells (NF-кB) subunit p65, nuclear factor of kappa light polypeptide gene enhancer in B-cells inhibitor alpha (IκBα), inducible nitrite oxide synthase (iNOS), cyclooxygenase 2 (COX-2), Nrf-2, manganese superoxide dismutase (Mn-SOD), and heme-oxygenase-1 (HO-1) were detected by Western blot. Tail flick, hot plate, orofacial formalin, and photophobia tests were used to evaluate migraine-like pain and migraine-related light sensitivity. Moreover, we evaluate Nrf-2-dependent mechanism by the in vitro stimulation of cells extracted by trigeminal ganglia with diethylenetriamine/nitric oxide (DETA/NO), a nitric oxide (NO) donor. The cells were pre-treated with DMF and an antagonist of Nrf-2, trigonelline (TR) 2 h before DETA/NO stimulation. Results DMF treatment notably reduced histological damage as showed by cresyl violet staining; also, regulating both NF-κB and Nrf-2 pathway, DMF treatment decreased the severity of inflammation and increased the protective antioxidant action. Moreover, the headache was significantly reduced. The protective effect of DMF treatment, via Nrf-2, was confirmed in in vitro studies, through inhibition of Nrf-2 by trigonelline. Cytotoxicity, iNOS, and MnSOD expression were evaluated. Conclusion These results provided the evidence that DMF, by Nrf-2 modulation, has a protective effect on central sensitization induced by NTG, suggesting a new insight into the potential application of DMF as novel candidates in drug development for migraine.
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Affiliation(s)
- Giovanna Casili
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno D 'Alcontres, 31, 98166, Messina, Italy
| | - Marika Lanza
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno D 'Alcontres, 31, 98166, Messina, Italy
| | - Alessia Filippone
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno D 'Alcontres, 31, 98166, Messina, Italy
| | - Michela Campolo
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno D 'Alcontres, 31, 98166, Messina, Italy
| | - Irene Paterniti
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno D 'Alcontres, 31, 98166, Messina, Italy
| | - Salvatore Cuzzocrea
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno D 'Alcontres, 31, 98166, Messina, Italy.,Department of Pharmacological and Physiological Science, Saint Louis University, Room M 36-1402 South Grand Blvd, St. Louis, MO, 63104, USA
| | - Emanuela Esposito
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno D 'Alcontres, 31, 98166, Messina, Italy.
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27
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Brandes MS, Gray NE. NRF2 as a Therapeutic Target in Neurodegenerative Diseases. ASN Neuro 2020; 12:1759091419899782. [PMID: 31964153 PMCID: PMC6977098 DOI: 10.1177/1759091419899782] [Citation(s) in RCA: 148] [Impact Index Per Article: 37.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Revised: 11/26/2019] [Accepted: 12/03/2019] [Indexed: 12/13/2022] Open
Abstract
Increased reactive oxygen species production and oxidative stress have been implicated in the pathogenesis of numerous neurodegenerative conditions including among others Alzheimer’s disease, Parkinson’s disease, Huntington’s disease, Friedrich’s ataxia, multiple sclerosis, and stroke. The endogenous antioxidant response pathway protects cells from oxidative stress by increasing the expression of cytoprotective enzymes and is regulated by the transcription factor nuclear factor erythroid 2-related factor 2 (NRF2). In addition to regulating the expression of antioxidant genes, NRF2 has also been shown to exert anti-inflammatory effects and modulate both mitochondrial function and biogenesis. This is because mitochondrial dysfunction and neuroinflammation are features of many neurodegenerative diseases as well NRF2 has emerged as a promising therapeutic target. Here, we review evidence for a beneficial role of NRF2 in neurodegenerative conditions and the potential of specific NRF2 activators as therapeutic agents.
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Affiliation(s)
- Mikah S. Brandes
- Department of Neurology, Oregon Health and Science University, Portland, OR, USA
| | - Nora E. Gray
- Department of Neurology, Oregon Health and Science University, Portland, OR, USA
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28
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Calabrese EJ, Bhatia TN, Calabrese V, Dhawan G, Giordano J, Hanekamp YN, Kapoor R, Kozumbo WJ, Leak RK. Cytotoxicity models of Huntington’s disease and relevance of hormetic mechanisms: A critical assessment of experimental approaches and strategies. Pharmacol Res 2019; 150:104371. [DOI: 10.1016/j.phrs.2019.104371] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 07/22/2019] [Accepted: 07/23/2019] [Indexed: 12/17/2022]
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29
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Schultz JL, Nopoulos PC, Gonzalez-Alegre P. Human Immunodeficiency Virus Infection in Huntington's Disease is Associated with an Earlier Age of Symptom Onset. J Huntingtons Dis 2019; 7:163-166. [PMID: 29843248 DOI: 10.3233/jhd-180287] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
BACKGROUND Huntington Disease (HD) and human immunodeficiency virus (HIV) are both associated with neurodegeneration in the cerebral cortex and striatum. The rate of striatal degeneration is a known predictor of symptom onset in HD indicating a potential neurobiological link between HD and HIV. OBJECTIVE To determine if the presence of pre-existing HIV infection would trigger a significantly earlier age of symptom onset (ASO) in HD-mutation carriers when compared to non-infected HD subjects. METHODS This was a retrospective analysis of the Enroll-HD database that included participants with a CAG repeat of at least 36. Participants with HD and a comorbidity of HIV that was diagnosed prior to their reported ASO were identified and compared to participants with HD who did not have HIV. An ANCOVA analysis was performed to investigate the differences in ASO between the HIV and non-HIV groups. Sex, drug use, and CAG repeat number were used as covariates. RESULTS The average ASO of HD subjects with previous HIV infection (n = 8) was 9.1 years earlier than non-HIV infected HD subjects (n = 3259) [F (1, 3267) =10.05, p = 0.002]. Despite low numbers of participants in the HIV group, the calculated effect size of this difference was 1.07. CONCLUSION The known neurobiological changes caused by HIV seem to hasten the ASO in patients with HD. These results may enhance our understanding of the neuropathology of HD in a way that will help with the identification of novel targets for future therapies.
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Affiliation(s)
- Jordan L Schultz
- Department of Pharmaceutical Care, The University of Iowa Hospitals and Clinics, Iowa City, IA, USA.,Department of Neurology, Carver College of Medicine at the University of Iowa, Iowa City, IA, USA
| | - Peg C Nopoulos
- Department of Neurology, Carver College of Medicine at the University of Iowa, Iowa City, IA, USA.,Department of Psychiatry, Carver College of Medicine at the University of Iowa, Iowa City, IA, USA.,Stead Family Children's Hospital at the University of Iowa, Iowa City, IA, USA
| | - Pedro Gonzalez-Alegre
- Department of Neurology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA.,Raymond G. Perelman Center for Cellular and Molecular Therapeutics, The Children's Hospital of Philadelphia, Philadelphia, PA, USA
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30
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Gureev AP, Shaforostova EA, Popov VN. Regulation of Mitochondrial Biogenesis as a Way for Active Longevity: Interaction Between the Nrf2 and PGC-1α Signaling Pathways. Front Genet 2019; 10:435. [PMID: 31139208 PMCID: PMC6527603 DOI: 10.3389/fgene.2019.00435] [Citation(s) in RCA: 362] [Impact Index Per Article: 72.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Accepted: 04/24/2019] [Indexed: 12/12/2022] Open
Abstract
Aging is a general degenerative process related to deterioration of cell functions in the entire organism. Mitochondria, which play a key role in energy homeostasis and metabolism of reactive oxygen species (ROS), require lifetime control and constant renewal. This explains recently peaked interest in the processes of mitochondrial biogenesis and mitophagy. The principal event of mitochondrial metabolism is regulation of mitochondrial DNA (mtDNA) transcription and translation, which is a complex coordinated process that involves at least two systems of transcription factors. It is commonly believed that its major regulatory proteins are PGC-1α and PGC-1β, which act as key factors connecting several regulator cascades involved in the control of mitochondrial metabolism. In recent years, the number of publications on the essential role of Nrf2/ARE signaling in the regulation of mitochondrial biogenesis has grown exponentially. Nrf2 is induced by various xenobiotics and oxidants that oxidize some Nrf2 negative regulators. Thus, ROS, in particular H2O2, were found to be strong Nrf2 activators. At present, there are two major concepts of mitochondrial biogenesis. Some authors suggest direct involvement of Nrf2 in the regulation of this process. Others believe that Nrf2 regulates expression of the antioxidant genes, while the major and only regulator of mitochondrial biogenesis is PGC-1α. Several studies have demonstrated the existence of the regulatory loop involving both PGC-1α and Nrf2. In this review, we summarized recent data on the Nrf2 role in mitochondrial biogenesis and its interaction with PGC-1α in the context of extending longevity.
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Affiliation(s)
- Artem P Gureev
- Department of Genetics, Cytology and Bioengineering, Voronezh State University, Voronezh, Russia
| | - Ekaterina A Shaforostova
- Department of Genetics, Cytology and Bioengineering, Voronezh State University, Voronezh, Russia
| | - Vasily N Popov
- Voronezh State University of Engineering Technologies, Voronezh, Russia
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31
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Ranea-Robles P, Launay N, Ruiz M, Calingasan NY, Dumont M, Naudí A, Portero-Otín M, Pamplona R, Ferrer I, Beal MF, Fourcade S, Pujol A. Aberrant regulation of the GSK-3β/NRF2 axis unveils a novel therapy for adrenoleukodystrophy. EMBO Mol Med 2019; 10:emmm.201708604. [PMID: 29997171 PMCID: PMC6079538 DOI: 10.15252/emmm.201708604] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
The nuclear factor erythroid 2‐like 2 (NRF2) is the master regulator of endogenous antioxidant responses. Oxidative damage is a shared and early‐appearing feature in X‐linked adrenoleukodystrophy (X‐ALD) patients and the mouse model (Abcd1 null mouse). This rare neurometabolic disease is caused by the loss of function of the peroxisomal transporter ABCD1, leading to an accumulation of very long‐chain fatty acids and the induction of reactive oxygen species of mitochondrial origin. Here, we identify an impaired NRF2 response caused by aberrant activity of GSK‐3β. We find that GSK‐3β inhibitors can significantly reactivate the blunted NRF2 response in patients’ fibroblasts. In the mouse models (Abcd1− and Abcd1−/Abcd2−/− mice), oral administration of dimethyl fumarate (DMF/BG12/Tecfidera), an NRF2 activator in use for multiple sclerosis, normalized (i) mitochondrial depletion, (ii) bioenergetic failure, (iii) oxidative damage, and (iv) inflammation, highlighting an intricate cross‐talk governing energetic and redox homeostasis in X‐ALD. Importantly, DMF halted axonal degeneration and locomotor disability suggesting that therapies activating NRF2 hold therapeutic potential for X‐ALD and other axonopathies with impaired GSK‐3β/NRF2 axis.
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Affiliation(s)
- Pablo Ranea-Robles
- Neurometabolic Diseases Laboratory, Bellvitge Biomedical Research Institute (IDIBELL), L'Hospitalet de Llobregat Barcelona, Spain.,CIBERER U759, Center for Biomedical Research on Rare Diseases ISCIII, Barcelona, Spain
| | - Nathalie Launay
- Neurometabolic Diseases Laboratory, Bellvitge Biomedical Research Institute (IDIBELL), L'Hospitalet de Llobregat Barcelona, Spain.,CIBERER U759, Center for Biomedical Research on Rare Diseases ISCIII, Barcelona, Spain
| | - Montserrat Ruiz
- Neurometabolic Diseases Laboratory, Bellvitge Biomedical Research Institute (IDIBELL), L'Hospitalet de Llobregat Barcelona, Spain.,CIBERER U759, Center for Biomedical Research on Rare Diseases ISCIII, Barcelona, Spain
| | - Noel Ylagan Calingasan
- Feil Family Brain and Mind Research Institute, Weill Cornell Medical College, New York, NY, USA
| | - Magali Dumont
- UMR S 1127, Inserm, U1127, CNRS, UMR 7225, Institut du Cerveau et de la Moelle épinière, Sorbonne Universités, UPMC Université Paris 06, Paris, France
| | - Alba Naudí
- Experimental Medicine Department, University of Lleida-IRB Lleida, Lleida, Spain
| | - Manuel Portero-Otín
- Experimental Medicine Department, University of Lleida-IRB Lleida, Lleida, Spain
| | - Reinald Pamplona
- Experimental Medicine Department, University of Lleida-IRB Lleida, Lleida, Spain
| | - Isidre Ferrer
- Department of Pathology and Experimental Therapeutics, Faculty of Medicine, University of Barcelona, L'Hospitalet de Llobregat Barcelona, Spain.,Center for Biomedical Research on Neurodegenerative Diseases (CIBERNED), ISCIII, Madrid, Spain.,Institute of Neurosciences, University of Barcelona, Barcelona, Spain.,IDIBELL-Bellvitge University Hospital, L'Hospitalet de Llobregat, Spain
| | - M Flint Beal
- Feil Family Brain and Mind Research Institute, Weill Cornell Medical College, New York, NY, USA
| | - Stéphane Fourcade
- Neurometabolic Diseases Laboratory, Bellvitge Biomedical Research Institute (IDIBELL), L'Hospitalet de Llobregat Barcelona, Spain .,CIBERER U759, Center for Biomedical Research on Rare Diseases ISCIII, Barcelona, Spain
| | - Aurora Pujol
- Neurometabolic Diseases Laboratory, Bellvitge Biomedical Research Institute (IDIBELL), L'Hospitalet de Llobregat Barcelona, Spain .,CIBERER U759, Center for Biomedical Research on Rare Diseases ISCIII, Barcelona, Spain.,Catalan Institution of Research and Advanced Studies (ICREA), Barcelona, Spain
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32
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Cuadrado A, Rojo AI, Wells G, Hayes JD, Cousin SP, Rumsey WL, Attucks OC, Franklin S, Levonen AL, Kensler TW, Dinkova-Kostova AT. Therapeutic targeting of the NRF2 and KEAP1 partnership in chronic diseases. Nat Rev Drug Discov 2019; 18:295-317. [PMID: 30610225 DOI: 10.1038/s41573-018-0008-x] [Citation(s) in RCA: 792] [Impact Index Per Article: 158.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The transcription factor NF-E2 p45-related factor 2 (NRF2; encoded by NFE2L2) and its principal negative regulator, the E3 ligase adaptor Kelch-like ECH-associated protein 1 (KEAP1), are critical in the maintenance of redox, metabolic and protein homeostasis, as well as the regulation of inflammation. Thus, NRF2 activation provides cytoprotection against numerous pathologies including chronic diseases of the lung and liver; autoimmune, neurodegenerative and metabolic disorders; and cancer initiation. One NRF2 activator has received clinical approval and several electrophilic modifiers of the cysteine-based sensor KEAP1 and inhibitors of its interaction with NRF2 are now in clinical development. However, challenges regarding target specificity, pharmacodynamic properties, efficacy and safety remain.
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Affiliation(s)
- Antonio Cuadrado
- Centro de Investigación Biomédica en Red Sobre Enfermedades Neurodegenerativas (CIBERNED), Instituto de Investigación Sanitaria La Paz (IdiPaz), Department of Biochemistry and Instituto de Investigaciones Biomédicas Alberto Sols UAM-CSIC, Faculty of Medicine, Autonomous University of Madrid, Madrid, Spain
- Victor Babes National Institute of Pathology, Bucharest, Romania
| | - Ana I Rojo
- Centro de Investigación Biomédica en Red Sobre Enfermedades Neurodegenerativas (CIBERNED), Instituto de Investigación Sanitaria La Paz (IdiPaz), Department of Biochemistry and Instituto de Investigaciones Biomédicas Alberto Sols UAM-CSIC, Faculty of Medicine, Autonomous University of Madrid, Madrid, Spain
- Victor Babes National Institute of Pathology, Bucharest, Romania
| | - Geoffrey Wells
- UCL School of Pharmacy, University College London, London, UK
| | - John D Hayes
- Jacqui Wood Cancer Centre, Division of Cellular Medicine, School of Medicine, University of Dundee, Dundee, Scotland, UK
| | | | | | | | | | - Anna-Liisa Levonen
- A. I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Kuopio, Finland
| | - Thomas W Kensler
- Translational Research Program, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - Albena T Dinkova-Kostova
- Jacqui Wood Cancer Centre, Division of Cellular Medicine, School of Medicine, University of Dundee, Dundee, Scotland, UK.
- Department of Pharmacology and Molecular Sciences and Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
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33
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Paul BD, Snyder SH. Impaired Redox Signaling in Huntington's Disease: Therapeutic Implications. Front Mol Neurosci 2019; 12:68. [PMID: 30941013 PMCID: PMC6433839 DOI: 10.3389/fnmol.2019.00068] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2018] [Accepted: 03/04/2019] [Indexed: 12/22/2022] Open
Abstract
Huntington's disease (HD) is a neurodegenerative disease triggered by expansion of polyglutamine repeats in the protein huntingtin. Mutant huntingtin (mHtt) aggregates and elicits toxicity by multiple mechanisms which range from dysregulated transcription to disturbances in several metabolic pathways in both the brain and peripheral tissues. Hallmarks of HD include elevated oxidative stress and imbalanced redox signaling. Disruption of antioxidant defense mechanisms, involving antioxidant molecules and enzymes involved in scavenging or reversing oxidative damage, have been linked to the pathophysiology of HD. In addition, mitochondrial function is compromised in HD leading to impaired bioenergetics and elevated production of free radicals in cells. However, the exact mechanisms linking redox imbalance to neurodegeneration are still elusive. This review will focus on the current understanding of aberrant redox homeostasis in HD and potential therapeutic interventions.
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Affiliation(s)
- Bindu D Paul
- The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Solomon H Snyder
- The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, United States.,Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, United States.,Department of Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, United States
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34
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Saidu NEB, Kavian N, Leroy K, Jacob C, Nicco C, Batteux F, Alexandre J. Dimethyl fumarate, a two-edged drug: Current status and future directions. Med Res Rev 2019; 39:1923-1952. [PMID: 30756407 DOI: 10.1002/med.21567] [Citation(s) in RCA: 65] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Revised: 01/22/2019] [Accepted: 01/24/2019] [Indexed: 12/11/2022]
Abstract
Dimethyl fumarate (DMF) is a fumaric acid ester registered for the treatment of relapsing-remitting multiple sclerosis (RRMS). It induces protein succination leading to inactivation of cysteine-rich proteins. It was first shown to possess cytoprotective and antioxidant effects in noncancer models, which appeared related to the induction of the nuclear factor erythroid 2 (NF-E2)-related factor 2 (NRF2) pathway. DMF also displays antitumor activity in several cellular and mice models. Recently, we showed that the anticancer mechanism of DMF is dose-dependent and is paradoxically related to the decrease in the nuclear translocation of NRF2. Some other studies performed indicate also the potential role of DMF in cancers, which are dependent on the NRF2 antioxidant and cellular detoxification program, such as KRAS-mutated lung adenocarcinoma. It, however, seems that DMF has multiple biological effects as it has been shown to also inhibit the transcription factor nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB), thus blocking downstream targets that may be involved in the development and progression of inflammatory cascades leading to various disease processes, including tumors, lymphomas, diabetic retinopathy, arthritis, and psoriasis. Herein, we present the current status and future directions of the use of DMF in various diseases models with particular emphases on its targeting of specific intracellular signal transduction cascades in cancer; to shed some light on its possible mode of action.
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Affiliation(s)
- Nathaniel Edward Bennett Saidu
- Department of Development, Reproduction and Cancer, Paris Descartes University, Sorbonne Paris Cité, INSERM U1016, Cochin Institute, CARPEM, Paris, France.,Division of Molecular Medicine, Institut Ruđer Bošković, Zagreb, Croatia
| | - Niloufar Kavian
- Department of Development, Reproduction and Cancer, Paris Descartes University, Sorbonne Paris Cité, INSERM U1016, Cochin Institute, CARPEM, Paris, France.,Department of Immunology, Cochin Hospital, AP-HP, Paris, France.,Division of Public Health Laboratory Sciences, HKU Pasteur Research Pole, University of Hong Kong, Hong Kong, SAR China
| | - Karen Leroy
- Department of Development, Reproduction and Cancer, Paris Descartes University, Sorbonne Paris Cité, INSERM U1016, Cochin Institute, CARPEM, Paris, France.,Department of Molecular Genetics, Cochin Hospital, AP-HP, Paris, France
| | - Claus Jacob
- Division of Bioorganic Chemistry, University of Saarland, Saarbruecken, Germany
| | - Carole Nicco
- Department of Development, Reproduction and Cancer, Paris Descartes University, Sorbonne Paris Cité, INSERM U1016, Cochin Institute, CARPEM, Paris, France
| | - Frédéric Batteux
- Department of Development, Reproduction and Cancer, Paris Descartes University, Sorbonne Paris Cité, INSERM U1016, Cochin Institute, CARPEM, Paris, France.,Department of Immunology, Cochin Hospital, AP-HP, Paris, France
| | - Jérôme Alexandre
- Department of Development, Reproduction and Cancer, Paris Descartes University, Sorbonne Paris Cité, INSERM U1016, Cochin Institute, CARPEM, Paris, France.,Department of Medical Oncology, Cochin Hospital, AP-HP, Paris, France
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35
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The protective effect of epigallocatechin 3-gallate on mouse pancreatic islets via the Nrf2 pathway. Surg Today 2019; 49:536-545. [PMID: 30730004 DOI: 10.1007/s00595-019-1761-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Accepted: 12/20/2018] [Indexed: 12/30/2022]
Abstract
PURPOSE Epigallocatechin 3-gallate (EGCG), a green tea polyphenol, has been shown to have anti-oxidant and anti-inflammatory effects in vitro and in vivo. The aim of this study was to investigate the effects and mechanism of EGCG on isolated pancreatic islets as pre-conditioning for pancreatic islet transplantation. METHODS The pancreatic islets were divided into two groups: an islet culture medium group (control) and an islet culture medium with EGCG (100 µM) group. We investigated the islet viability, Nrf2 expression, reactive oxygen species (ROS) production, and heme oxygenase-1 (HO-1) mRNA. Five hundred islet equivalents after 12 h of culture for the EGCG 100 µM and control group were transplanted under the kidney capsule of streptozotocin-induced diabetic ICR mice. RESULTS The cell viability and insulin secretion ability in the EGCG group were preserved, and the nuclear translocation of Nrf2 was increased in the EGCG group (p < 0.01). While the HO-1 mRNA levels were also higher in the EGCG group than in the control group (p < 0.05), the ROS production was lower (p < 0.01). An in vivo functional assessment showed that the blood glucose level had decreased in the EGCG group after transplantation (p < 0.01). CONCLUSION EGCG protects the viability and function of islets by suppressing ROS production via the Nrf2 pathway.
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36
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Staurengo-Ferrari L, Badaro-Garcia S, Hohmann MSN, Manchope MF, Zaninelli TH, Casagrande R, Verri WA. Contribution of Nrf2 Modulation to the Mechanism of Action of Analgesic and Anti-inflammatory Drugs in Pre-clinical and Clinical Stages. Front Pharmacol 2019; 9:1536. [PMID: 30687097 PMCID: PMC6337248 DOI: 10.3389/fphar.2018.01536] [Citation(s) in RCA: 73] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Accepted: 12/17/2018] [Indexed: 12/12/2022] Open
Abstract
Despite the progress that has occurred in recent years in the development of therapies to treat painful and inflammatory diseases, there is still a need for effective and potent analgesics and anti-inflammatory drugs. It has long been known that several types of antioxidants also possess analgesic and anti-inflammatory properties, indicating a strong relationship between inflammation and oxidative stress. Understanding the underlying mechanisms of action of anti-inflammatory and analgesic drugs, as well as essential targets in disease physiopathology, is essential to the development of novel therapeutic strategies. The Nuclear factor-2 erythroid related factor-2 (Nrf2) is a transcription factor that regulates cellular redox status through endogenous antioxidant systems with simultaneous anti-inflammatory activity. This review summarizes the molecular mechanisms and pharmacological actions screened that link analgesic, anti-inflammatory, natural products, and other therapies to Nrf2 as a regulatory system based on emerging evidences from experimental disease models and new clinical trial data.
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Affiliation(s)
- Larissa Staurengo-Ferrari
- Departamento de Patologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Brazil
| | - Stephanie Badaro-Garcia
- Departamento de Patologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Brazil
| | - Miriam S. N. Hohmann
- Departamento de Patologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Brazil
| | - Marília F. Manchope
- Departamento de Patologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Brazil
| | - Tiago H. Zaninelli
- Departamento de Patologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Brazil
| | - Rubia Casagrande
- Departamento de Ciências Farmacêuticas, Centro de Ciências da Saúde, Universidade Estadual de Londrina, Londrina, Brazil
| | - Waldiceu A. Verri
- Departamento de Patologia, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, Brazil
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Hosseini A, Masjedi A, Baradaran B, Hojjat‐Farsangi M, Ghalamfarsa G, Anvari E, Jadidi‐Niaragh F. Dimethyl fumarate: Regulatory effects on the immune system in the treatment of multiple sclerosis. J Cell Physiol 2018; 234:9943-9955. [DOI: 10.1002/jcp.27930] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2018] [Accepted: 10/24/2018] [Indexed: 12/30/2022]
Affiliation(s)
- Arezoo Hosseini
- Drug Applied Research Center, Tabriz University of Medical Sciences Tabriz Iran
- Immunology Research Center, Tabriz University of Medical Sciences Tabriz Iran
- Department of Immunology Faculty of Medicine, Tabriz University of Medical Sciences Tabriz Iran
| | - Ali Masjedi
- Immunology Research Center, Tabriz University of Medical Sciences Tabriz Iran
- Department of Immunology Faculty of Medicine, Tabriz University of Medical Sciences Tabriz Iran
| | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences Tabriz Iran
- Department of Immunology Faculty of Medicine, Tabriz University of Medical Sciences Tabriz Iran
| | - Mohammad Hojjat‐Farsangi
- Immune and Gene therapy Lab Department of Oncology‐Pathology Cancer Center Karolinska (CCK), Karolinska University Hospital Solna and Karolinska Institute Stockholm Sweden
- Department of Immunology School of Medicine, Bushehr University of Medical Sciences Bushehr Iran
| | - Ghasem Ghalamfarsa
- Cellular and Molecular Research Center, Yasuj University of Medical Sciences Yasuj Iran
| | - Enayat Anvari
- Department of Physiology Faculty of Medicine, Ilam University of Medical Sciences Ilam Iran
| | - Farhad Jadidi‐Niaragh
- Immunology Research Center, Tabriz University of Medical Sciences Tabriz Iran
- Department of Immunology Faculty of Medicine, Tabriz University of Medical Sciences Tabriz Iran
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38
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Fowler JH, McQueen J, Holland PR, Manso Y, Marangoni M, Scott F, Chisholm E, Scannevin RH, Hardingham GE, Horsburgh K. Dimethyl fumarate improves white matter function following severe hypoperfusion: Involvement of microglia/macrophages and inflammatory mediators. J Cereb Blood Flow Metab 2018; 38:1354-1370. [PMID: 28606007 PMCID: PMC6077928 DOI: 10.1177/0271678x17713105] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The brain's white matter is highly vulnerable to reductions in cerebral blood flow via mechanisms that may involve elevated microgliosis and pro-inflammatory pathways. In the present study, the effects of severe cerebral hypoperfusion were investigated on white matter function and inflammation. Male C57Bl/6J mice underwent bilateral common carotid artery stenosis and white matter function was assessed at seven days with electrophysiology in response to evoked compound action potentials (CAPs) in the corpus callosum. The peak latency of CAPs and axonal refractoriness was increased following hypoperfusion, indicating a marked functional impairment in white matter, which was paralleled by axonal and myelin pathology and increased density and numbers of microglia/macrophages. The functional impairment in peak latency was significantly correlated with increased microglia/macrophages. Dimethyl fumarate (DMF; 100 mg/kg), a drug with anti-inflammatory properties, was found to reduce peak latency but not axonal refractoriness. DMF had no effect on hypoperfusion-induced axonal and myelin pathology. The density of microglia/macrophages was significantly increased in vehicle-treated hypoperfused mice, whereas DMF-treated hypoperfused mice had similar levels to that of sham-treated mice. The study suggests that increased microglia/macrophages following cerebral hypoperfusion contributes to the functional impairment in white matter that may be amenable to modulation by DMF.
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Affiliation(s)
- Jill H Fowler
- 1 Centre for Neuroregeneration, University of Edinburgh, Edinburgh, UK
| | - Jamie McQueen
- 1 Centre for Neuroregeneration, University of Edinburgh, Edinburgh, UK.,2 Centre for Integrative Physiology, University of Edinburgh, Edinburgh, UK
| | - Philip R Holland
- 1 Centre for Neuroregeneration, University of Edinburgh, Edinburgh, UK.,3 Current Address: Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Yasmina Manso
- 1 Centre for Neuroregeneration, University of Edinburgh, Edinburgh, UK.,4 Current Address: Developmental Neurobiology and Regeneration Lab, Parc Científic de Barcelona, Spain
| | - Martina Marangoni
- 1 Centre for Neuroregeneration, University of Edinburgh, Edinburgh, UK.,5 Current Address: Department of Health Sciences, University of Florence, Florence, Italy
| | - Fiona Scott
- 1 Centre for Neuroregeneration, University of Edinburgh, Edinburgh, UK
| | - Emma Chisholm
- 1 Centre for Neuroregeneration, University of Edinburgh, Edinburgh, UK
| | | | - Giles E Hardingham
- 2 Centre for Integrative Physiology, University of Edinburgh, Edinburgh, UK.,7 The UK Dementia Research Institute at The University of Edinburgh
| | - Karen Horsburgh
- 1 Centre for Neuroregeneration, University of Edinburgh, Edinburgh, UK.,8 Centre for Cognitive Ageing and Cognitive Epidemiology, University of Edinburgh, Edinburgh, UK
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Rojo AI, Pajares M, García-Yagüe AJ, Buendia I, Van Leuven F, Yamamoto M, López MG, Cuadrado A. Deficiency in the transcription factor NRF2 worsens inflammatory parameters in a mouse model with combined tauopathy and amyloidopathy. Redox Biol 2018; 18:173-180. [PMID: 30029164 PMCID: PMC6052199 DOI: 10.1016/j.redox.2018.07.006] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Revised: 07/02/2018] [Accepted: 07/09/2018] [Indexed: 01/13/2023] Open
Abstract
Chronic neuroinflammation is a hallmark of the onset and progression of brain proteinopathies such as Alzheimer disease (AD) and it is suspected to participate in the neurodegenerative process. Transcription factor NRF2, a master regulator of redox homeostasis, controls acute inflammation but its relevance in low-grade chronic inflammation of AD is inconclusive due to lack of good mouse models. We have addressed this question in a transgenic mouse that combines amyloidopathy and tauopathy with either wild type (AT-NRF2-WT) or NRF2-deficiency (AT-NRF2-KO). AT-NRF2-WT mice died prematurely, at around 14 months of age, due to motor deficits and a terminal spinal deformity but AT-NRF2-KO mice died roughly 2 months earlier. NRF2-deficiency correlated with exacerbated astrogliosis and microgliosis, as determined by an increase in GFAP, IBA1 and CD11b levels. The immunomodulatory molecule dimethyl fumarate (DMF), a drug already used for the treatment of multiple sclerosis whose main target is accepted to be NRF2, was tested in this preclinical model. Daily oral gavage of DMF during six weeks reduced glial and inflammatory markers and improved cognition and motor complications in the AT-NRF2-WT mice compared with the vehicle-treated animals. This study demonstrates the relevance of the inflammatory response in experimental AD, tightly regulated by NRF2 activity, and provides a new strategy to fight AD.
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Affiliation(s)
- Ana I Rojo
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), ISCIII. Instituto de Investigaciones Biomédicas "Alberto Sols", UAM-CSIC. Instituto de Investigación Sanitaria La Paz (IdiPaz) and Department of Biochemistry, Faculty of Medicine, Autonomous University of MadridMadrid, Spain.
| | - Marta Pajares
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), ISCIII. Instituto de Investigaciones Biomédicas "Alberto Sols", UAM-CSIC. Instituto de Investigación Sanitaria La Paz (IdiPaz) and Department of Biochemistry, Faculty of Medicine, Autonomous University of MadridMadrid, Spain
| | - Angel J García-Yagüe
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), ISCIII. Instituto de Investigaciones Biomédicas "Alberto Sols", UAM-CSIC. Instituto de Investigación Sanitaria La Paz (IdiPaz) and Department of Biochemistry, Faculty of Medicine, Autonomous University of MadridMadrid, Spain
| | - Izaskun Buendia
- Instituto Teófilo Hernando y Departamento de Farmacología y Terapéutica, Facultad de Medicina. Universidad Autónoma de Madrid, 28029. Instituto de Investigación Sanitaria, Servicio de Farmacología Clínica, Hospital Universitario de la Princesa, 28029. Madrid, Spain
| | - Fred Van Leuven
- Experimental Genetics Group-LEGTEGG, Department of Human Genetics, KU Leuven, Leuven, Belgium
| | - Masayuki Yamamoto
- Department of Medical Biochemistry, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan
| | - Manuela G López
- Instituto Teófilo Hernando y Departamento de Farmacología y Terapéutica, Facultad de Medicina. Universidad Autónoma de Madrid, 28029. Instituto de Investigación Sanitaria, Servicio de Farmacología Clínica, Hospital Universitario de la Princesa, 28029. Madrid, Spain
| | - Antonio Cuadrado
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), ISCIII. Instituto de Investigaciones Biomédicas "Alberto Sols", UAM-CSIC. Instituto de Investigación Sanitaria La Paz (IdiPaz) and Department of Biochemistry, Faculty of Medicine, Autonomous University of MadridMadrid, Spain; Cellular and Molecular Medicine Department, Radiobiology Laboratory, "Victor Babes" National Institute of Pathology, Bucharest, Romania.
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40
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Cuadrado A, Manda G, Hassan A, Alcaraz MJ, Barbas C, Daiber A, Ghezzi P, León R, López MG, Oliva B, Pajares M, Rojo AI, Robledinos-Antón N, Valverde AM, Guney E, Schmidt HHHW. Transcription Factor NRF2 as a Therapeutic Target for Chronic Diseases: A Systems Medicine Approach. Pharmacol Rev 2018; 70:348-383. [DOI: 10.1124/pr.117.014753] [Citation(s) in RCA: 329] [Impact Index Per Article: 54.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
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Singh N, Vijayanti S, Saha L. Targeting crosstalk between Nuclear factor (erythroid-derived 2)-like 2 and Nuclear factor kappa beta pathway by Nrf2 activator dimethyl fumarate in epileptogenesis. Int J Neurosci 2018; 128:987-994. [PMID: 29447051 DOI: 10.1080/00207454.2018.1441149] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Purpose/Aim: Epilepsy is a complex, chronic neurological disorder characterized by increased and abnormal synchronization of neuronal electrical activity, which is manifested as seizures. It is associated with many comorbid conditions such as depression, anxiety, sleep disorder, psychiatric disorder etc., which consequently causes higher mortality rate. The understanding of its cellular and molecular mechanism is partial, because of which it remains an ongoing health problem, despite the increasing availability of newer antiepileptic drugs. Although recurrent seizures are the clinical indication of epilepsy, the disease process (epileptogenesis) begins before the onset of the first seizure. This dormant phase before the onset of first seizure provides an opportune time window for modifying the epileptogenic process by intervening in its progression with an appropriate treatment. MATERIAL AND METHODS Studies have shown that in epilepsy, there is a chronic state of oxidative stress and inflammation, which plays a key role in epileptic pathogenesis. Various antioxidant mechanisms maintain the redox balance in the body by either scavenging or regulating the generation of free radicals. Nuclear factor (erythroid-derived 2)-like 2 (Nrf2) pathway is a well-established antioxidant pathway in various diseases such as diabetes, renal disease, various neurodegenerative disorders such as Parkinson's disease, Alzheimer's disease, Huntington's disease, amyotrophic lateral sclerosis, traumatic brain injury, etc. Results: It has been observed that single-target therapies are inefficient in providing anticonvulsant and disease-modifying effects in epilepsy. CONCLUSIONS So, preventing the progression of epilepsy by targeting Nrf2-activated antioxidant pathway along with the other established antiepileptic pathways can prove beneficial in epilepsy treatment.
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Affiliation(s)
- Neha Singh
- a Department of Pharmacology , Post Graduate Institute of Medical Education and Research , Chandigarh , India
| | - Sheekha Vijayanti
- a Department of Pharmacology , Post Graduate Institute of Medical Education and Research , Chandigarh , India
| | - Lekha Saha
- a Department of Pharmacology , Post Graduate Institute of Medical Education and Research , Chandigarh , India
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Ehrnhoefer DE, Southwell AL, Sivasubramanian M, Qiu X, Villanueva EB, Xie Y, Waltl S, Anderson L, Fazeli A, Casal L, Felczak B, Tsang M, Hayden MR. HACE1 is essential for astrocyte mitochondrial function and influences Huntington disease phenotypes in vivo. Hum Mol Genet 2018; 27:239-253. [PMID: 29121340 PMCID: PMC5886116 DOI: 10.1093/hmg/ddx394] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Revised: 10/28/2017] [Accepted: 10/31/2017] [Indexed: 01/25/2023] Open
Abstract
Oxidative stress is a prominent feature of Huntington disease (HD), and we have shown previously that reduced levels of hace1 (HECT domain and Ankyrin repeat containing E3 ubiquitin protein ligase 1) in patient striatum may contribute to the pathogenesis of HD. Hace1 promotes the stability of Nrf2 and thus plays an important role in antioxidant response mechanisms, which are dysfunctional in HD. Moreover, hace1 overexpression mitigates mutant huntingtin (mHTT)-induced oxidative stress in vitro through promotion of the Nrf2 antioxidant response. Here, we show that the genetic ablation of hace1 in the YAC128 mouse model of HD accelerates motor deficits and exacerbates cognitive and psychiatric phenotypes in vivo. We find that both the expression of mHTT and the ablation of hace1 alone are sufficient to cause deficits in astrocytic mitochondrial respiration. We confirm the crucial role of hace1 in astrocytes in vivo, since its ablation is sufficient to cause dramatic astrogliosis in wild-type FVB/N mice. Astrogliosis is not observed in the presence of mHTT but a strong dysregulation in the expression of astrocytic markers in HACE1-/- x YAC128 striatum suggests an additive effect of mHTT expression and hace1 loss on this cell type. HACE1-/- x YAC128 mice and primary cells derived from these animals therefore provide model systems that will allow for the further dissection of Nrf2 pathways and astrocyte dysfunction in the context of HD.
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Affiliation(s)
- Dagmar E Ehrnhoefer
- Department of Medical Genetics, Centre for Molecular Medicine and Therapeutics (CMMT), CFRI, University of British Columbia, Vancouver, BC V5Z 4H4, Canada
| | - Amber L Southwell
- Department of Medical Genetics, Centre for Molecular Medicine and Therapeutics (CMMT), CFRI, University of British Columbia, Vancouver, BC V5Z 4H4, Canada
| | - Meenalochani Sivasubramanian
- Department of Medical Genetics, Centre for Molecular Medicine and Therapeutics (CMMT), CFRI, University of British Columbia, Vancouver, BC V5Z 4H4, Canada
| | - Xiaofan Qiu
- Department of Medical Genetics, Centre for Molecular Medicine and Therapeutics (CMMT), CFRI, University of British Columbia, Vancouver, BC V5Z 4H4, Canada
| | - Erika B Villanueva
- Department of Medical Genetics, Centre for Molecular Medicine and Therapeutics (CMMT), CFRI, University of British Columbia, Vancouver, BC V5Z 4H4, Canada
| | - Yuanyun Xie
- Department of Medical Genetics, Centre for Molecular Medicine and Therapeutics (CMMT), CFRI, University of British Columbia, Vancouver, BC V5Z 4H4, Canada
| | - Sabine Waltl
- Department of Medical Genetics, Centre for Molecular Medicine and Therapeutics (CMMT), CFRI, University of British Columbia, Vancouver, BC V5Z 4H4, Canada
| | - Lisa Anderson
- Department of Medical Genetics, Centre for Molecular Medicine and Therapeutics (CMMT), CFRI, University of British Columbia, Vancouver, BC V5Z 4H4, Canada
| | - Anita Fazeli
- Department of Medical Genetics, Centre for Molecular Medicine and Therapeutics (CMMT), CFRI, University of British Columbia, Vancouver, BC V5Z 4H4, Canada
| | - Lorenzo Casal
- Department of Medical Genetics, Centre for Molecular Medicine and Therapeutics (CMMT), CFRI, University of British Columbia, Vancouver, BC V5Z 4H4, Canada
| | - Boguslaw Felczak
- Department of Medical Genetics, Centre for Molecular Medicine and Therapeutics (CMMT), CFRI, University of British Columbia, Vancouver, BC V5Z 4H4, Canada
| | - Michelle Tsang
- Department of Medical Genetics, Centre for Molecular Medicine and Therapeutics (CMMT), CFRI, University of British Columbia, Vancouver, BC V5Z 4H4, Canada
| | - Michael R Hayden
- Department of Medical Genetics, Centre for Molecular Medicine and Therapeutics (CMMT), CFRI, University of British Columbia, Vancouver, BC V5Z 4H4, Canada
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Campolo M, Casili G, Biundo F, Crupi R, Cordaro M, Cuzzocrea S, Esposito E. The Neuroprotective Effect of Dimethyl Fumarate in an MPTP-Mouse Model of Parkinson's Disease: Involvement of Reactive Oxygen Species/Nuclear Factor-κB/Nuclear Transcription Factor Related to NF-E2. Antioxid Redox Signal 2017; 27:453-471. [PMID: 28006954 PMCID: PMC5564046 DOI: 10.1089/ars.2016.6800] [Citation(s) in RCA: 82] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
AIM Oxidative stress plays a key role in Parkinson disease (PD), and nuclear transcription factor related to NF-E2 (Nrf-2) is involved in neuroprotection against PD. The aim of the present study was to investigate a role for nuclear factor-κB (NF-κB)/Nrf-2 in the neurotherapeutic action of dimethyl fumarate (DMF) in a mouse model of PD and in vitro in SHSY-5Y cells. RESULTS Daily oral gavage of DMF (10, 30, and 100 mg/kg) significantly reduced neuronal cell degeneration of the dopaminergic tract and behavioral impairments induced by four injections of the dopaminergic neurotoxin 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine. Moreover, treatment with DMF prevented dopamine depletion, increased tyrosine hydroxylase and dopamine transporter activities, and also reduced the number of α-synuclein-positive neurons. Furthermore, DMF treatment upregulated the Nrf-2 pathway, increased NeuN+/Nrf-2+ cell number in the striatum, induced activation of manganese superoxide dismutase and heme oxygenase-1, and regulated glutathione levels. Moreover, DMF reduced interleukin 1 levels, cyclooxygenase 2 activity, and nitrotyrosine neuronal nitrite oxide synthase expression. This treatment also modulated microglia activation, restored nerve growth factor levels, and preserved microtubule-associated protein 2 alterations. The protective effects of DMF treatment, via Nrf-2, were confirmed in in vitro studies, through inhibition of Nrf-2 by trigonelline. INNOVATION These findings demonstrate that DMF, both in a mouse model of PD and in vitro, provides, via regulation of the NF-κB/Nrf-2 pathway, novel cytoprotective modalities that further augment the natural antioxidant response in neurodegenerative and inflammatory disease models. CONCLUSION These results support the thesis that DMF may constitute a promising therapeutic target for the treatment of PD. Antioxid. Redox Signal. 27, 453-471.
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Affiliation(s)
- Michela Campolo
- 1 Department of Chemical, Biological, Pharmacological and Environmental Sciences, University of Messina , Messina, Italy
| | - Giovanna Casili
- 1 Department of Chemical, Biological, Pharmacological and Environmental Sciences, University of Messina , Messina, Italy
| | - Flavia Biundo
- 1 Department of Chemical, Biological, Pharmacological and Environmental Sciences, University of Messina , Messina, Italy
| | - Rosalia Crupi
- 1 Department of Chemical, Biological, Pharmacological and Environmental Sciences, University of Messina , Messina, Italy
| | - Marika Cordaro
- 1 Department of Chemical, Biological, Pharmacological and Environmental Sciences, University of Messina , Messina, Italy
| | - Salvatore Cuzzocrea
- 1 Department of Chemical, Biological, Pharmacological and Environmental Sciences, University of Messina , Messina, Italy .,2 Department of Pharmacological and Physiological Science, Saint Louis University School of Medicine , St. Louis, Missouri
| | - Emanuela Esposito
- 1 Department of Chemical, Biological, Pharmacological and Environmental Sciences, University of Messina , Messina, Italy
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Are Astrocytes the Predominant Cell Type for Activation of Nrf2 in Aging and Neurodegeneration? Antioxidants (Basel) 2017; 6:antiox6030065. [PMID: 28820437 PMCID: PMC5618093 DOI: 10.3390/antiox6030065] [Citation(s) in RCA: 111] [Impact Index Per Article: 15.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2017] [Revised: 08/11/2017] [Accepted: 08/16/2017] [Indexed: 12/29/2022] Open
Abstract
Nuclear factor erythroid 2-related factor 2 (Nrf2) is a transcription factor that regulates hundreds of antioxidant genes, and is activated in response to oxidative stress. Given that many neurodegenerative diseases including Alzheimer’s disease, Parkinson’s disease, amyotrophic lateral sclerosis, Huntington’s disease and multiple sclerosis are characterised by oxidative stress, Nrf2 is commonly activated in these diseases. Evidence demonstrates that Nrf2 activity is repressed in neurons in vitro, and only cultured astrocytes respond strongly to Nrf2 inducers, leading to the interpretation that Nrf2 signalling is largely restricted to astrocytes. However, Nrf2 activity can be observed in neurons in post-mortem brain tissue and animal models of disease. Thus this interpretation may be false, and a detailed analysis of the cell type expression of Nrf2 in neurodegenerative diseases is required. This review describes the evidence for Nrf2 activation in each cell type in prominent neurodegenerative diseases and normal aging in human brain and animal models of neurodegeneration, the response to pharmacological and genetic modulation of Nrf2, and clinical trials involving Nrf2-modifying drugs.
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45
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Distinct Nrf2 Signaling Mechanisms of Fumaric Acid Esters and Their Role in Neuroprotection against 1-Methyl-4-Phenyl-1,2,3,6-Tetrahydropyridine-Induced Experimental Parkinson's-Like Disease. J Neurosci 2017; 36:6332-51. [PMID: 27277809 DOI: 10.1523/jneurosci.0426-16.2016] [Citation(s) in RCA: 150] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2016] [Accepted: 05/02/2016] [Indexed: 11/21/2022] Open
Abstract
UNLABELLED A promising approach to neurotherapeutics involves activating the nuclear-factor-E2-related factor 2 (Nrf2)/antioxidant response element signaling, which regulates expression of antioxidant, anti-inflammatory, and cytoprotective genes. Tecfidera, a putative Nrf2 activator, is an oral formulation of dimethylfumarate (DMF) used to treat multiple sclerosis. We compared the effects of DMF and its bioactive metabolite monomethylfumarate (MMF) on Nrf2 signaling and their ability to block 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-induced experimental Parkinson's disease (PD). We show that in vitro DMF and MMF activate the Nrf2 pathway via S-alkylation of the Nrf2 inhibitor Keap1 and by causing nuclear exit of the Nrf2 repressor Bach1. Nrf2 activation by DMF but not MMF was associated with depletion of glutathione, decreased cell viability, and inhibition of mitochondrial oxygen consumption and glycolysis rates in a dose-dependent manner, whereas MMF increased these activities in vitro However, both DMF and MMF upregulated mitochondrial biogenesis in vitro in an Nrf2-dependent manner. Despite the in vitro differences, both DMF and MMF exerted similar neuroprotective effects and blocked MPTP neurotoxicity in wild-type but not in Nrf2 null mice. Our data suggest that DMF and MMF exhibit neuroprotective effects against MPTP neurotoxicity because of their distinct Nrf2-mediated antioxidant, anti-inflammatory, and mitochondrial functional/biogenetic effects, but MMF does so without depleting glutathione and inhibiting mitochondrial and glycolytic functions. Given that oxidative damage, neuroinflammation, and mitochondrial dysfunction are all implicated in PD pathogenesis, our results provide preclinical evidence for the development of MMF rather than DMF as a novel PD therapeutic. SIGNIFICANCE STATEMENT Almost two centuries since its first description by James Parkinson, Parkinson's disease (PD) remains an incurable disease with limited symptomatic treatment. The current study provides preclinical evidence that a Food and Drug Administration-approved drug, dimethylfumarate (DMF), and its metabolite monomethylfumarate (MMF) can block nigrostriatal dopaminergic neurodegeneration in a 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine mouse model of PD. We elucidated mechanisms by which DMF and its active metabolite MMF activates the redox-sensitive transcription factor nuclear-factor-E2-related factor 2 (Nrf2) to upregulate antioxidant, anti-inflammatory, mitochondrial biosynthetic and cytoprotective genes to render neuroprotection via distinct S-alkylating properties and depletion of glutathione. Our data suggest that targeting Nrf2-mediated gene transcription using MMF rather than DMF is a promising approach to block oxidative stress, neuroinflammation, and mitochondrial dysfunction for therapeutic intervention in PD while minimizing side effects.
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Safari A, Fazeli M, Namavar MR, Tanideh N, Jafari P, Borhani-Haghighi A. Therapeutic effects of oral dimethyl fumarate on stroke induced by middle cerebral artery occlusion: An animal experimental study. Restor Neurol Neurosci 2017; 35:265-274. [DOI: 10.3233/rnn-160670] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- Anahid Safari
- Endocrinology and Metabolism Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Pharmacology, Shiraz University, Shiraz, Iran
| | - Mehdi Fazeli
- Department of Pharmacology, Shiraz University, Shiraz, Iran
| | - Mohammad Reza Namavar
- Clinical Neurology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Histomorphometry and stereology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Departmentof Anatomy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Nader Tanideh
- Stem Cells Technology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Pharmacology, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Peyman Jafari
- Department of Biostatistics, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Afshin Borhani-Haghighi
- Clinical Neurology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Neurology, Shiraz University of Medical Sciences, Shiraz, Iran
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Quinti L, Dayalan Naidu S, Träger U, Chen X, Kegel-Gleason K, Llères D, Connolly C, Chopra V, Low C, Moniot S, Sapp E, Tousley AR, Vodicka P, Van Kanegan MJ, Kaltenbach LS, Crawford LA, Fuszard M, Higgins M, Miller JRC, Farmer RE, Potluri V, Samajdar S, Meisel L, Zhang N, Snyder A, Stein R, Hersch SM, Ellerby LM, Weerapana E, Schwarzschild MA, Steegborn C, Leavitt BR, Degterev A, Tabrizi SJ, Lo DC, DiFiglia M, Thompson LM, Dinkova-Kostova AT, Kazantsev AG. KEAP1-modifying small molecule reveals muted NRF2 signaling responses in neural stem cells from Huntington's disease patients. Proc Natl Acad Sci U S A 2017; 114:E4676-E4685. [PMID: 28533375 PMCID: PMC5468652 DOI: 10.1073/pnas.1614943114] [Citation(s) in RCA: 96] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
The activity of the transcription factor nuclear factor-erythroid 2 p45-derived factor 2 (NRF2) is orchestrated and amplified through enhanced transcription of antioxidant and antiinflammatory target genes. The present study has characterized a triazole-containing inducer of NRF2 and elucidated the mechanism by which this molecule activates NRF2 signaling. In a highly selective manner, the compound covalently modifies a critical stress-sensor cysteine (C151) of the E3 ligase substrate adaptor protein Kelch-like ECH-associated protein 1 (KEAP1), the primary negative regulator of NRF2. We further used this inducer to probe the functional consequences of selective activation of NRF2 signaling in Huntington's disease (HD) mouse and human model systems. Surprisingly, we discovered a muted NRF2 activation response in human HD neural stem cells, which was restored by genetic correction of the disease-causing mutation. In contrast, selective activation of NRF2 signaling potently repressed the release of the proinflammatory cytokine IL-6 in primary mouse HD and WT microglia and astrocytes. Moreover, in primary monocytes from HD patients and healthy subjects, NRF2 induction repressed expression of the proinflammatory cytokines IL-1, IL-6, IL-8, and TNFα. Together, our results demonstrate a multifaceted protective potential of NRF2 signaling in key cell types relevant to HD pathology.
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Affiliation(s)
- Luisa Quinti
- Department of Neurology, Harvard Medical School and Massachusetts General Hospital, Boston, MA 02114
| | - Sharadha Dayalan Naidu
- Division of Cancer Research, School of Medicine, University of Dundee, Dundee DD1 9SY, Scotland, United Kingdom
| | - Ulrike Träger
- Department of Neurodegenerative Disease, Institute of Neurology, University College London, London WC1N 3BG, United Kingdom
| | - Xiqun Chen
- Department of Neurology, Harvard Medical School and Massachusetts General Hospital, Boston, MA 02114
| | - Kimberly Kegel-Gleason
- Department of Neurology, Harvard Medical School and Massachusetts General Hospital, Boston, MA 02114
| | - David Llères
- Institute of Molecular Genetics of Montpellier, F-34293 Montpellier, France
| | - Colúm Connolly
- Centre for Molecular Medicine and Therapeutics, Department of Medical Genetics, University of British Columbia, Vancouver, BC, Canada V5Z 4H4
| | - Vanita Chopra
- Department of Neurology, Harvard Medical School and Massachusetts General Hospital, Boston, MA 02114
| | - Cho Low
- Department of Developmental, Molecular and Chemical Biology, Tufts University, Boston, MA 02111
| | - Sébastien Moniot
- Department of Biochemistry, University of Bayreuth, 95447 Bayreuth, Germany
| | - Ellen Sapp
- Department of Neurology, Harvard Medical School and Massachusetts General Hospital, Boston, MA 02114
| | - Adelaide R Tousley
- Department of Neurology, Harvard Medical School and Massachusetts General Hospital, Boston, MA 02114
| | - Petr Vodicka
- Department of Neurology, Harvard Medical School and Massachusetts General Hospital, Boston, MA 02114
| | - Michael J Van Kanegan
- Center for Drug Discovery, Duke University Medical Center, Durham, NC 27710
- Department of Neurobiology, Duke University Medical Center, Durham, NC 27710
| | - Linda S Kaltenbach
- Center for Drug Discovery, Duke University Medical Center, Durham, NC 27710
- Department of Neurobiology, Duke University Medical Center, Durham, NC 27710
| | - Lisa A Crawford
- Department of Chemistry, Boston College, Chestnut Hill, MA 02467
| | - Matthew Fuszard
- Department of Biochemistry, University of Bayreuth, 95447 Bayreuth, Germany
| | - Maureen Higgins
- Division of Cancer Research, School of Medicine, University of Dundee, Dundee DD1 9SY, Scotland, United Kingdom
| | - James R C Miller
- Department of Neurodegenerative Disease, Institute of Neurology, University College London, London WC1N 3BG, United Kingdom
| | - Ruth E Farmer
- Department of Medical Statistics, London School of Hygiene and Tropical Medicine, London WC1E 7HT, United Kingdom
| | - Vijay Potluri
- Department of Medicinal Chemistry, Aurigene Discovery Technologies Limited, Bangalore 560 100, India
| | - Susanta Samajdar
- Department of Medicinal Chemistry, Aurigene Discovery Technologies Limited, Bangalore 560 100, India
| | - Lisa Meisel
- Department of Biochemistry, University of Bayreuth, 95447 Bayreuth, Germany
| | - Ningzhe Zhang
- Buck Institute for Research on Aging, Novato, CA 94945
| | - Andrew Snyder
- Targanox, Cambridge Research Laboratories, Cambridge, MA 02139
| | - Ross Stein
- Targanox, Cambridge Research Laboratories, Cambridge, MA 02139
| | - Steven M Hersch
- Department of Neurology, Harvard Medical School and Massachusetts General Hospital, Boston, MA 02114
| | | | | | - Michael A Schwarzschild
- Department of Neurology, Harvard Medical School and Massachusetts General Hospital, Boston, MA 02114
| | - Clemens Steegborn
- Department of Biochemistry, University of Bayreuth, 95447 Bayreuth, Germany
| | - Blair R Leavitt
- Centre for Molecular Medicine and Therapeutics, Department of Medical Genetics, University of British Columbia, Vancouver, BC, Canada V5Z 4H4
| | - Alexei Degterev
- Department of Developmental, Molecular and Chemical Biology, Tufts University, Boston, MA 02111
| | - Sarah J Tabrizi
- Department of Neurodegenerative Disease, Institute of Neurology, University College London, London WC1N 3BG, United Kingdom
| | - Donald C Lo
- Center for Drug Discovery, Duke University Medical Center, Durham, NC 27710
- Department of Neurobiology, Duke University Medical Center, Durham, NC 27710
| | - Marian DiFiglia
- Department of Neurology, Harvard Medical School and Massachusetts General Hospital, Boston, MA 02114
| | - Leslie M Thompson
- Department of Biological Chemistry, University of California, Irvine, CA 92697
- Department of Neurobiology and Behavior, University of California, Irvine, CA 92697
- Department of Psychiatry and Human Behavior, University of California, Irvine, CA 92697
| | - Albena T Dinkova-Kostova
- Division of Cancer Research, School of Medicine, University of Dundee, Dundee DD1 9SY, Scotland, United Kingdom
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205
- Department of Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, Baltimore, MD 21205
| | - Aleksey G Kazantsev
- Department of Neurology, Harvard Medical School and Massachusetts General Hospital, Boston, MA 02114;
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Dominah GA, McMinimy RA, Kallon S, Kwakye GF. Acute exposure to chlorpyrifos caused NADPH oxidase mediated oxidative stress and neurotoxicity in a striatal cell model of Huntington's disease. Neurotoxicology 2017; 60:54-69. [PMID: 28300621 DOI: 10.1016/j.neuro.2017.03.004] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Revised: 02/07/2017] [Accepted: 03/09/2017] [Indexed: 11/17/2022]
Abstract
We hypothesized that expression of mutant Huntingtin (HTT) would modulate the neurotoxicity of the commonly used organophosphate insecticide, chlorpyrifos (CPF), revealing cellular mechanisms underlying neurodegeneration. Using a mouse striatal cell model of HD, we report that mutant HD cells are more susceptible to CPF-induced cytotoxicity as compared to wild-type. This CPF-induced cytotoxicity caused increased production of reactive oxygen species, reduced glutathione levels, decreased superoxide dismutase activity, and increased malondialdehyde levels in mutant HD cells relative to wild-type. Furthermore, we show that co-treatment with antioxidant agents attenuated the CPF-induced ROS levels and cytotoxicity. Co-treatment with a NADPH oxidase (NOX) inhibitor, apocynin, also attenuated the CPF-induced ROS production and neurotoxicity. CPF caused increased NOX activity in mutant HD lines that was ameliorated following co-treatment with apocynin. Finally, CPF-induced neurotoxicity significantly increased the protein expression of nuclear factor erythroid 2-related factor (Nrf2) in mutant HD cells as compared to wild-type. This study is the first report of CPF-induced toxicity in HD pathophysiology and suggests that mutant HTT and CPF exhibit a disease-toxicant interaction wherein expression of mutant HTT enhances CPF-induced neurotoxicity via a NOX-mediated oxidative stress mechanism to cause neuronal loss in the full length HTT expressing striatal cells.
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Affiliation(s)
| | | | - Sallay Kallon
- Neuroscience Department, Oberlin College, Oberlin, OH, USA
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Velusamy T, Panneerselvam AS, Purushottam M, Anusuyadevi M, Pal PK, Jain S, Essa MM, Guillemin GJ, Kandasamy M. Protective Effect of Antioxidants on Neuronal Dysfunction and Plasticity in Huntington's Disease. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2017; 2017:3279061. [PMID: 28168008 PMCID: PMC5266860 DOI: 10.1155/2017/3279061] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2016] [Revised: 11/09/2016] [Accepted: 12/05/2016] [Indexed: 01/08/2023]
Abstract
Huntington's disease (HD) is characterised by movement disorders, cognitive impairments, and psychiatric problems. The abnormal generation of reactive oxygen species and the resulting oxidative stress-induced mitochondrial damage in neurons upon CAG mutations in the HTT gene have been hypothesized as the contributing factors of neurodegeneration in HD. The potential use of antioxidants against free radical toxicity has been an emerging field in the management of ageing and many neurodegenerative disorders. Neural stem cells derived adult neurogenesis represents the regenerative capacity of the adult brain. The process of adult neurogenesis has been implicated in the cognitive functions of the brain and is highly modulated positively by different factors including antioxidants. The supportive role of antioxidants to reduce the severity of HD via promoting the functional neurogenesis and neuroprotection in the pathological adult brain has great promise. This review comprehends the recent studies describing the therapeutic roles of antioxidants in HD and other neurologic disorders and highlights the scope of using antioxidants to promote adult neurogenesis in HD. It also advocates a new line of research to delineate the mechanisms by which antioxidants promote adult neurogenesis in HD.
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Affiliation(s)
- Thirunavukkarasu Velusamy
- Department of Biotechnology, Bharathiar University, Coimbatore, Tamil Nadu, India
- DBT Ramalingaswami Re-Entry Fellowship Programme, Department of Biotechnology (DBT), New Delhi, India
| | - Archana S. Panneerselvam
- Laboratory of Stem Cells and Neuroregeneration, Department of Animal Science, School of Life Sciences, Bharathidasan University, Tiruchirappalli, Tamil Nadu, India
| | - Meera Purushottam
- Department of Psychiatry, National Institute of Mental Health and Neurosciences (NIMHANS), Bangalore, Karnataka, India
| | - Muthuswamy Anusuyadevi
- Molecular Gerontology Laboratory, Department of Biochemistry, School of Life Sciences, Bharathidasan University, Tiruchirappalli, Tamil Nadu, India
| | - Pramod Kumar Pal
- Department of Neurology, National Institute of Mental Health and Neurosciences (NIMHANS), Bangalore, Karnataka, India
| | - Sanjeev Jain
- Department of Psychiatry, National Institute of Mental Health and Neurosciences (NIMHANS), Bangalore, Karnataka, India
| | - Musthafa Mohamed Essa
- Department of Food Science and Nutrition, CAMS, Sultan Qaboos University, Muscat, Oman
| | - Gilles J. Guillemin
- Neuroinflammation Group, Faculty of Medicine and Health Sciences, Macquarie University, Sydney, NSW, Australia
| | - Mahesh Kandasamy
- Laboratory of Stem Cells and Neuroregeneration, Department of Animal Science, School of Life Sciences, Bharathidasan University, Tiruchirappalli, Tamil Nadu, India
- UGC-Faculty Recharge Program (UGC-FRP), University Grant Commission, New Delhi, India
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Lin R, Cai J, Kostuk EW, Rosenwasser R, Iacovitti L. Fumarate modulates the immune/inflammatory response and rescues nerve cells and neurological function after stroke in rats. J Neuroinflammation 2016; 13:269. [PMID: 27733178 PMCID: PMC5062839 DOI: 10.1186/s12974-016-0733-1] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2016] [Accepted: 09/26/2016] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Dimethyl fumarate (DMF), working via its metabolite monomethylfumarate (MMF), acts as a potent antioxidant and immunomodulator in animal models of neurologic disease and in patients with multiple sclerosis. These properties and their translational potential led us to investigate whether DMF/MMF could also protect at-risk and/or dying neurons in models of ischemic stroke in vitro and in vivo. Although the antioxidant effects have been partially addressed, the benefits of DMF immunomodulation after ischemic stroke still need to be explored. METHODS In vitro neuronal culture with oxygen-glucose deprivation and rats with middle cerebral artery occlusion were subjected to DMF/MMF treatment. Live/dead cell counting and LDH assay, as well as behavioral deficits, plasma cytokine assay, western blots, real-time PCR (Q-PCR) and immunofluorescence staining, were used to evaluate the mechanisms and neurological outcomes. RESULTS We found that MMF significantly rescued cortical neurons from oxygen-glucose deprivation (OGD) in culture and suppressed pro-inflammatory cytokines produced by primary mixed neuron/glia cultures subjected to OGD. In rats, DMF treatment significantly decreased infarction volume by nearly 40 % and significantly improved neurobehavioral deficits after middle cerebral artery occlusion (MCAO). In the acute early phase (72 h after MCAO), DMF induced the expression of transcription factor Nrf2 and its downstream mediator HO-1, important for the protection of infarcted cells against oxidative stress. In addition to its antioxidant role, DMF also acted as a potent immunomodulator, reducing the infiltration of neutrophils and T cells and the number of activated microglia/macrophages in the infarct region by more than 50 % by 7-14 days after MCAO. Concomitantly, the levels of potentially harmful pro-inflammatory cytokines were greatly reduced in the plasma and brain and in OGD neuron/glia cultures. CONCLUSIONS We conclude that DMF is neuroprotective in experimental stroke because of its potent immunomodulatory and antioxidant effects and thus may be useful as a novel therapeutic agent to treat stroke in patients.
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Affiliation(s)
- Ruihe Lin
- The Joseph and Marie Field Cerebrovascular Research Laboratory at Jefferson, Vickie & Jack Farber Institute for Neurosciences, Department of Neuroscience, Sidney Kimmel Medical College, Thomas Jefferson University, 900 Walnut Street, Philadelphia, PA 19107 USA
| | - Jingli Cai
- The Joseph and Marie Field Cerebrovascular Research Laboratory at Jefferson, Vickie & Jack Farber Institute for Neurosciences, Department of Neuroscience, Sidney Kimmel Medical College, Thomas Jefferson University, 900 Walnut Street, Philadelphia, PA 19107 USA
| | - Eric W. Kostuk
- The Joseph and Marie Field Cerebrovascular Research Laboratory at Jefferson, Vickie & Jack Farber Institute for Neurosciences, Department of Neuroscience, Sidney Kimmel Medical College, Thomas Jefferson University, 900 Walnut Street, Philadelphia, PA 19107 USA
| | - Robert Rosenwasser
- The Joseph and Marie Field Cerebrovascular Research Laboratory at Jefferson, Vickie & Jack Farber Institute for Neuroscience, Department of Neurological Surgery, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA 19107 USA
| | - Lorraine Iacovitti
- The Joseph and Marie Field Cerebrovascular Research Laboratory at Jefferson, Vickie & Jack Farber Institute for Neurosciences, Department of Neuroscience, Sidney Kimmel Medical College, Thomas Jefferson University, 900 Walnut Street, Philadelphia, PA 19107 USA
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