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Zhang SY, Zhang LY, Wen R, Yang N, Zhang TN. Histone deacetylases and their inhibitors in inflammatory diseases. Biomed Pharmacother 2024; 179:117295. [PMID: 39146765 DOI: 10.1016/j.biopha.2024.117295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2024] [Revised: 08/03/2024] [Accepted: 08/09/2024] [Indexed: 08/17/2024] Open
Abstract
Despite considerable research efforts, inflammatory diseases remain a heavy burden on human health, causing significant economic losses annually. Histone deacetylases (HDACs) play a significant role in regulating inflammation (via histone and non-histone protein deacetylation) and chromatin structure and gene expression regulation. Herein, we present a detailed description of the different HDACs and their functions and analyze the role of HDACs in inflammatory diseases, including pro-inflammatory cytokine production reduction, immune cell function modulation, and anti-inflammatory cell activity enhancement. Although HDAC inhibitors have shown broad inflammatory disease treatment potentials, their clinical applicability remains limited because of their non-specific effects, adverse effects, and drug resistance. With further research and insight, these inhibitors are expected to become important tools for the treatment of a wide range of inflammatory diseases. This review aims to explore the mechanisms and application prospects of HDACs and their inhibitors in multiple inflammatory diseases.
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Affiliation(s)
- Sen-Yu Zhang
- Department of Pediatrics, PICU, Shengjing Hospital of China Medical University, Shenyang 110004, China
| | - Li-Ying Zhang
- Department of Pediatrics, PICU, Shengjing Hospital of China Medical University, Shenyang 110004, China
| | - Ri Wen
- Department of Pediatrics, PICU, Shengjing Hospital of China Medical University, Shenyang 110004, China
| | - Ni Yang
- Department of Pediatrics, PICU, Shengjing Hospital of China Medical University, Shenyang 110004, China.
| | - Tie-Ning Zhang
- Department of Pediatrics, PICU, Shengjing Hospital of China Medical University, Shenyang 110004, China.
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Buonvicino D, Pratesi S, Ranieri G, Pistolesi A, Guasti D, Chiarugi A. The mitochondriogenic but not the immunosuppressant effects of mTOR inhibitors prompt neuroprotection and delay disease evolution in a mouse model of progressive multiple sclerosis. Neurobiol Dis 2024; 191:106387. [PMID: 38142841 DOI: 10.1016/j.nbd.2023.106387] [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: 04/26/2023] [Revised: 10/04/2023] [Accepted: 12/17/2023] [Indexed: 12/26/2023] Open
Abstract
INTRODUCTION Purportedly, the progression of multiple sclerosis (MS) occurs when neurodegenerative processes due to derangement of axonal bioenergetics take over the autoimmune response. However, a clear picture of the causative interrelationship between autoimmunity and axonal mitochondrial dysfunction in progressive MS (PMS) pathogenesis waits to be provided. METHODS In the present study, by adopting the NOD mouse model of PMS, we compared the pharmacological effects of the immunosuppressants dexamethasone and fingolimod with those of mTOR inhibitors rapamycin and everolimus that, in addition to immunosuppression, also regulate mitochondrial functioning. Female Non-Obese Diabetic (NOD) mice were immunized with MOG35-55 and treated with drugs to evaluate functional, immune and mitochondrial parameters during disease evolution. RESULTS We found that dexamethasone and fingolimod did not affect the pattern of progression as well as survival. Conversely, mTOR inhibitors rapamycin and everolimus delayed disease progression and robustly extended survival of immunized mice. The same effects were obtained when treatment was delayed by 30 days after immunization. Remarkably, dexamethasone and fingolimod prompted the same degree of immunosuppression of rapamycin within both spleen and spinal cord of mice. However, only rapamycin prompted mitochondriogenesis by increasing mitochondrial content, and expression of several mitochondrial respiratory complex subunits, thereby preventing mtDNA reduction in the spinal cords of immunized mice. These pharmacodynamic effects were not reproduced in healthy NOD mice, suggesting a disease context-dependent pharmacodynamic effect. DISCUSSION Data corroborate the key role of mitochondriogenesis to treatment of MS progression, and for the first time disclose the translational potential of mTOR inhibitors in PMS therapy.
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Affiliation(s)
- Daniela Buonvicino
- Department of Health Sciences, Section of Clinical Pharmacology and Oncology, University of Florence, Florence, Italy.
| | - Sara Pratesi
- Centre of Immunological Research DENOTHE, Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Giuseppe Ranieri
- Department of Health Sciences, Section of Clinical Pharmacology and Oncology, University of Florence, Florence, Italy
| | - Alessandra Pistolesi
- Department of Health Sciences, Section of Clinical Pharmacology and Oncology, University of Florence, Florence, Italy
| | - Daniele Guasti
- Department of Clinical and Experimental Medicine, Research Unit of Histology & Embryology, University of Florence, Florence, Italy
| | - Alberto Chiarugi
- Department of Health Sciences, Section of Clinical Pharmacology and Oncology, University of Florence, Florence, Italy
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Zierfuss B, Larochelle C, Prat A. Blood-brain barrier dysfunction in multiple sclerosis: causes, consequences, and potential effects of therapies. Lancet Neurol 2024; 23:95-109. [PMID: 38101906 DOI: 10.1016/s1474-4422(23)00377-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 08/14/2023] [Accepted: 09/28/2023] [Indexed: 12/17/2023]
Abstract
Established by brain endothelial cells, the blood-brain barrier (BBB) regulates the trafficking of molecules, restricts immune cell entry into the CNS, and has an active role in neurovascular coupling (the regulation of cerebral blood flow to support neuronal activity). In the early stages of multiple sclerosis, around the time of symptom onset, inflammatory BBB damage is accompanied by pathogenic immune cell infiltration into the CNS. In the later stages of multiple sclerosis, dysregulation of neurovascular coupling is associated with grey matter atrophy. Genetic and environmental factors associated with multiple sclerosis, including dietary habits, the gut microbiome, and vitamin D concentrations, might contribute directly and indirectly to brain endothelial cell dysfunction. Damage to brain endothelial cells leads to an influx of deleterious molecules into the CNS, accelerating leakage across the BBB. Potential future therapeutic approaches might help to prevent BBB damage (eg, monoclonal antibodies targeting cell adhesion molecules and fibrinogen) and help to repair BBB dysfunction (eg, mesenchymal stromal cells) in people with multiple sclerosis.
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Affiliation(s)
- Bettina Zierfuss
- Neuroimmunology Research Laboratory, Centre de Recherche du Centre Hospitalier de l'Université de Montréal (CRCHUM), Montreal, QC H2X 0A9, Canada; Department of Neurosciences, Faculty of Medicine, Université de Montréal, Montreal, QC, Canada
| | - Catherine Larochelle
- Neuroimmunology Research Laboratory, Centre de Recherche du Centre Hospitalier de l'Université de Montréal (CRCHUM), Montreal, QC H2X 0A9, Canada; Department of Neurosciences, Faculty of Medicine, Université de Montréal, Montreal, QC, Canada; Multiple Sclerosis Clinic, Division of Neurology, Centre Hospitalier de l'Université de Montréal (CHUM), Montreal, QC, Canada
| | - Alexandre Prat
- Neuroimmunology Research Laboratory, Centre de Recherche du Centre Hospitalier de l'Université de Montréal (CRCHUM), Montreal, QC H2X 0A9, Canada; Department of Neurosciences, Faculty of Medicine, Université de Montréal, Montreal, QC, Canada; Multiple Sclerosis Clinic, Division of Neurology, Centre Hospitalier de l'Université de Montréal (CHUM), Montreal, QC, Canada.
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Buonvicino D, Ranieri G, Guasti D, Pistolesi A, La Rocca AI, Rapizzi E, Chiarugi A. Early derangement of axonal mitochondria occurs in a mouse model of progressive but not relapsing-remitting multiple sclerosis. Neurobiol Dis 2023; 178:106015. [PMID: 36702320 DOI: 10.1016/j.nbd.2023.106015] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 01/18/2023] [Accepted: 01/22/2023] [Indexed: 01/24/2023] Open
Abstract
INTRODUCTION Derangement of axonal mitochondrial bioenergetics occurs during progressive multiple sclerosis (PMS). However, whether this is a delayed epiphenomenon or an early causative event of disease progression waits to be understood. Answering this question might further our knowledge of mechanisms underlying neurobiology of PMS and related therapy. METHODS MOG35-55-immunized NOD and PLP139-151-immunized SJL female mice were adopted as models of progressive or relapsing-remitting experimental autoimmune encephalomyelitis (EAE), respectively. Multiple parameters of mitochondrial homeostasis were analyzed in the mouse spinal cord during the early asymptomatic stage, also evaluating the effects of scavenging mitochondrial reactive oxygen species with Mito-TEMPO. RESULTS Almost identical lumbar spinal cord immune infiltrates consisting of Th1 cells and neutrophils without B and Th17 lymphocytes occurred early upon immunization in both mouse strains. Still, only NOD mice showed axon-restricted dysregulation of mitochondrial homeostasis, with reduced mtDNA contents and increased cristae area. Increased expression of mitochondrial respiratory complex subunits Nd2, Cox1, Atp5d, Sdha also exclusively occurred in lumbar spinal cord of NOD and not SJL mice. Accordingly, in this region genes regulating mitochondrial morphology (Opa1, Mfn1, Mfn2 and Atp5j2) and mitochondriogenesis (Pgc1α, Foxo, Hif-1α and Nrf2) were induced early upon immunization. A reduced extent of mitochondrial derangement occurred in the thoracic spinal cord. Notably, the mitochondrial radical scavenger Mito-TEMPO reduced H2O2 content and prevented both mtDNA depletion and cristae remodeling, having no effects on dysregulation of mitochondrial transcriptome. DISCUSSION We provide here the first evidence that axonal-restricted derangement of mitochondrial homeostasis already occurs during the asymptomatic state exclusively in a mouse model of PMS. Data further our understanding of mechanisms related to EAE progression, and point to very early axonal mitochondrial dysfunction as central to the neuropathogenesis of MS evolution.
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Affiliation(s)
- Daniela Buonvicino
- Department of Health Sciences, Section of Clinical Pharmacology and Oncology, University of Florence, Florence, Italy.
| | - Giuseppe Ranieri
- Department of Health Sciences, Section of Clinical Pharmacology and Oncology, University of Florence, Florence, Italy
| | - Daniele Guasti
- Imaging Platform, Department of Experimental & Clinical Medicine, University of Florence, Florence, Italy
| | - Alessandra Pistolesi
- Department of Health Sciences, Section of Clinical Pharmacology and Oncology, University of Florence, Florence, Italy
| | - Antonino Iurato La Rocca
- Department of Neuroscience, Psychology, Drug Sciences, and Child Health (NEUROFARBA),University of Florence, Florence, Italy
| | - Elena Rapizzi
- Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Alberto Chiarugi
- Department of Health Sciences, Section of Clinical Pharmacology and Oncology, University of Florence, Florence, Italy
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Jayaraman S, Jayaraman A. Impact of histone modifier-induced protection against autoimmune encephalomyelitis on multiple sclerosis treatment. Front Neurol 2022; 13:980758. [PMID: 36313502 PMCID: PMC9614082 DOI: 10.3389/fneur.2022.980758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 09/09/2022] [Indexed: 11/13/2022] Open
Abstract
Multiple sclerosis is a progressive demyelinating central nervous system disorder with unknown etiology. The condition has heterogeneous presentations, including relapsing-remitting multiple sclerosis and secondary and primary progressive multiple sclerosis. The genetic and epigenetic mechanisms underlying these various forms of multiple sclerosis remain elusive. Many disease-modifying therapies approved for multiple sclerosis are broad-spectrum immunomodulatory drugs that reduce relapses but do not halt the disease progression or neuroaxonal damage. Some are also associated with many severe side effects, including fatalities. Improvements in disease-modifying treatments especially for primary progressive multiple sclerosis remain an unmet need. Several experimental animal models are available to decipher the mechanisms involved in multiple sclerosis. These models help us decipher the advantages and limitations of novel disease-modifying therapies for multiple sclerosis.
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Affiliation(s)
- Sundararajan Jayaraman
- Department of Surgery, University of Illinois College of Medicine, Peoria, IL, United States
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Therapeutic opportunities for targeting cellular senescence in progressive multiple sclerosis. Curr Opin Pharmacol 2022; 63:102184. [DOI: 10.1016/j.coph.2022.102184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 01/13/2022] [Accepted: 01/15/2022] [Indexed: 11/22/2022]
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Shen Y, Yang R, Zhao J, Chen M, Chen S, Ji B, Chen H, Liu D, Li L, Du G. The histone deacetylase inhibitor belinostat ameliorates experimental autoimmune encephalomyelitis in mice by inhibiting TLR2/MyD88 and HDAC3/ NF-κB p65-mediated neuroinflammation. Pharmacol Res 2022; 176:105969. [PMID: 34758400 DOI: 10.1016/j.phrs.2021.105969] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2021] [Revised: 11/01/2021] [Accepted: 11/02/2021] [Indexed: 12/15/2022]
Abstract
Multiple sclerosis (MS) is a Th cell-mediated inflammatory demyelinating autoimmune disease. MS cannot be cured, and long-term drug treatment is still needed for MS patients. In this study, we examined the effect of belinostat, a pan-histone deacetylase inhibitor (HDACi), on experimental autoimmune encephalomyelitis (EAE) and elucidated its mechanism of action. We found that belinostat alleviates the clinical symptoms, histopathological central nervous system (CNS) inflammation and demyelination outcomes in EAE mice. Compared to the MS oral drug dimethyl fumarate (DMF) (100 mg/kg), belinostat (30 mg/kg) treatment exhibited better efficacy in improving the clinical symptoms of EAE mice. Belinostat treatment significantly suppressed the activation of M1 microglia and the proinflammatory cytokine expression; but it had no effects on the M2 microglial polarization. Belinostat also decreased both NO and iNOS levels in LPS-stimulated BV2 microglia. Accordingly, belinostat treatment of EAE mice significantly inhibited activation of the TLR2/MyD88 signaling pathway and downregulated the expression of HDAC3 while upregulating the acetylated NF-κB p65 levels. Taken together, these data demonstrate for the first time that belinostat ameliorates EAE in mice through inhibiting neuroinflammation via suppressing M1 microglial polarization, and implicating belinostat as a potential candidate for the treatment of multiple sclerosis.
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Affiliation(s)
- Yanjia Shen
- Beijing Key Laboratory of Drug Targets Identification and Drug Screening, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, NO.2, Nan Wei Road, Beijing 100050, China
| | - Ran Yang
- Beijing Key Laboratory of Drug Targets Identification and Drug Screening, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, NO.2, Nan Wei Road, Beijing 100050, China
| | - Jiaying Zhao
- Beijing Key Laboratory of Drug Targets Identification and Drug Screening, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, NO.2, Nan Wei Road, Beijing 100050, China
| | - Miao Chen
- Beijing Key Laboratory of Drug Targets Identification and Drug Screening, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, NO.2, Nan Wei Road, Beijing 100050, China
| | - Shuhan Chen
- Beijing Key Laboratory of Drug Targets Identification and Drug Screening, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, NO.2, Nan Wei Road, Beijing 100050, China
| | - Baixi Ji
- Beijing Key Laboratory of Drug Targets Identification and Drug Screening, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, NO.2, Nan Wei Road, Beijing 100050, China
| | - Houzao Chen
- State Key Laboratory of Medical Molecular Biology, Department of Biochemistry and Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100005, China
| | - Depei Liu
- State Key Laboratory of Medical Molecular Biology, Department of Biochemistry and Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100005, China
| | - Li Li
- Beijing Key Laboratory of Drug Targets Identification and Drug Screening, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, NO.2, Nan Wei Road, Beijing 100050, China.
| | - Guanhua Du
- Beijing Key Laboratory of Drug Targets Identification and Drug Screening, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, NO.2, Nan Wei Road, Beijing 100050, China.
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