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Hui BSM, Zhi LR, Retinasamy T, Arulsamy A, Law CSW, Shaikh MF, Yeong KY. The Role of Interferon-α in Neurodegenerative Diseases: A Systematic Review. J Alzheimers Dis 2023; 94:S45-S66. [PMID: 36776068 PMCID: PMC10473139 DOI: 10.3233/jad-221081] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/30/2022] [Indexed: 02/10/2023]
Abstract
BACKGROUND Neurodegenerative diseases (NDs) impose significant financial and healthcare burden on populations all over the world. The prevalence and incidence of NDs have been observed to increase dramatically with age. Hence, the number of reported cases is projected to increase in the future, as life spans continues to rise. Despite this, there is limited effective treatment against most NDs. Interferons (IFNs), a family of cytokines, have been suggested as a promising therapeutic target for NDs, particularly IFN-α, which governs various pathological pathways in different NDs. OBJECTIVE This systematic review aimed to critically appraise the currently available literature on the pathological role of IFN-α in neurodegeneration/NDs. METHODS Three databases, Scopus, PubMed, and Ovid Medline, were utilized for the literature search. RESULTS A total of 77 journal articles were selected for critical evaluation, based on the inclusion and exclusion criteria. The studies selected and elucidated in this current systematic review have showed that IFN-α may play a deleterious role in neurodegenerative diseases through its strong association with the inflammatory processes resulting in mainly neurocognitive impairments. IFN-α may be displaying its neurotoxic function via various mechanisms such as abnormal calcium mineralization, activation of STAT1-dependent mechanisms, and increased quinolinic acid production. CONCLUSION The exact role IFN-α in these neurodegenerative diseases have yet to be determine due to a lack in more recent evidence, thereby creating a variability in the role of IFN-α. Future investigations should thus be conducted, so that the role played by IFN-α in neurodegenerative diseases could be delineated.
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Affiliation(s)
- Brendan Su Mee Hui
- Clinical School Johor Bahru, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Johor Baru, Johor, Malaysia
| | - Lee Rui Zhi
- Clinical School Johor Bahru, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Johor Baru, Johor, Malaysia
| | - Thaarvena Retinasamy
- Neuropharmacology Research Laboratory, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Bandar Sunway, Selangor, Malaysia
| | - Alina Arulsamy
- Neuropharmacology Research Laboratory, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Bandar Sunway, Selangor, Malaysia
| | | | - Mohd. Farooq Shaikh
- Neuropharmacology Research Laboratory, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Bandar Sunway, Selangor, Malaysia
- School of Dentistry and Medical Sciences, Charles Sturt University, Orange, NSW, Australia
- Department of Neuroscience, Central Clinical School, Monash University, The Alfred Hospital, Melbourne, VIC, Australia
| | - Keng Yoon Yeong
- School of Science, Monash University Malaysia, Bandar Sunway, Selangor, Malaysia
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Leffler J, Trend S, Gorman S, Hart PH. Sex-Specific Environmental Impacts on Initiation and Progression of Multiple Sclerosis. Front Neurol 2022; 13:835162. [PMID: 35185777 PMCID: PMC8850837 DOI: 10.3389/fneur.2022.835162] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 01/12/2022] [Indexed: 12/28/2022] Open
Abstract
The immunological mechanisms that contribute to multiple sclerosis (MS) differ between males and females. Females are 2–3 times more likely to develop MS compared to males, however the reason for this discrepancy is unknown. Once MS is established, there is a more inflammatory yet milder form of disease in females whereas males generally suffer from more severe disease and faster progression, neural degradation, and disability. Some of these differences relate to genetics, including genetic control of immune regulatory genes on the X-chromosome, as well as immune modulatory properties of sex hormones. Differences in MS development may also relate to how sex interacts with environmental risk factors. There are several environmental risk factors for MS including late-onset Epstein Barr virus infection, low serum vitamin D levels, low UV radiation exposure, smoking, obesity, and lack of physical activity. Most of these risk factors impact males and females differently, either due to biological or immunological processes or through behavioral differences. In this review, we explore these differences further and focus on how the interaction of environmental risk factors with sex hormones may contribute to significantly different prevalence and pathology of MS in males and females.
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Affiliation(s)
- Jonatan Leffler
- Telethon Kids Institute, University of Western Australia, Nedlands, WA, Australia
- *Correspondence: Jonatan Leffler
| | - Stephanie Trend
- Telethon Kids Institute, University of Western Australia, Nedlands, WA, Australia
- Centre for Neuromuscular and Neurological Disorders, Perron Institute for Neurological and Translational Science, University of Western Australia, Perth, WA, Australia
| | - Shelley Gorman
- Telethon Kids Institute, University of Western Australia, Nedlands, WA, Australia
| | - Prue H. Hart
- Telethon Kids Institute, University of Western Australia, Nedlands, WA, Australia
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Abstract
Despite numerous studies of immune sexual dimorphism, sexual differences are not rigorously mapped and dimorphic mechanisms are incompletely understood. Current immune research typically studies sex differences in specific cells, tissues, or diseases but without providing an integrated picture. To connect the dots, we suggest comprehensive research approaches to better our understanding of immune sexual dimorphism and its mechanisms.
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Affiliation(s)
- Shani Talia Gal-Oz
- Department of Life Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Tal Shay
- Department of Life Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
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Li H, Liu S, Han J, Li S, Gao X, Wang M, Zhu J, Jin T. Role of Toll-Like Receptors in Neuroimmune Diseases: Therapeutic Targets and Problems. Front Immunol 2021; 12:777606. [PMID: 34790205 PMCID: PMC8591135 DOI: 10.3389/fimmu.2021.777606] [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: 09/15/2021] [Accepted: 10/15/2021] [Indexed: 12/16/2022] Open
Abstract
Toll-like receptors (TLRs) are a class of proteins playing a key role in innate and adaptive immune responses. TLRs are involved in the development and progression of neuroimmune diseases via initiating inflammatory responses. Thus, targeting TLRs signaling pathway may be considered as a potential therapy for neuroimmune diseases. However, the role of TLRs is elusive and complex in neuroimmune diseases. In addition to the inadequate immune response of TLRs inhibitors in the experiments, the recent studies also demonstrated that partial activation of TLRs is conducive to the production of anti-inflammatory factors and nervous system repair. Exploring the mechanism of TLRs in neuroimmune diseases and combining with developing the emerging drug may conquer neuroimmune diseases in the future. Herein, we provide an overview of the role of TLRs in several neuroimmune diseases, including multiple sclerosis, neuromyelitis optica spectrum disorder, Guillain-Barré syndrome and myasthenia gravis. Emerging difficulties and potential solutions in clinical application of TLRs inhibitors will also be discussed.
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Affiliation(s)
- Haixia Li
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Changchun, China
| | - Shan Liu
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Changchun, China
| | - Jinming Han
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, China.,Department of Clinical Neuroscience, Karolinska Institutet, Solna, Sweden
| | - Shengxian Li
- Department of Urology, The First Hospital of Jilin University, Changchun, China
| | - Xiaoyan Gao
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Changchun, China
| | - Meng Wang
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Changchun, China
| | - Jie Zhu
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Changchun, China.,Department of Neurobiology, Care Sciences and Society, Karolinska Institute, Karolinska University Hospital, Solna, Sweden
| | - Tao Jin
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Changchun, China
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Ludewig P, Gallizioli M, Urra X, Behr S, Brait VH, Gelderblom M, Magnus T, Planas AM. Dendritic cells in brain diseases. Biochim Biophys Acta Mol Basis Dis 2015; 1862:352-67. [PMID: 26569432 DOI: 10.1016/j.bbadis.2015.11.003] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2015] [Revised: 11/05/2015] [Accepted: 11/05/2015] [Indexed: 12/25/2022]
Affiliation(s)
- Peter Ludewig
- Department of Neurology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Mattia Gallizioli
- Department of Brain Ischemia and Neurodegeneration, Institut d'Investigacions Biomèdiques de Barcelona (IIBB), Consejo Superior de Investigaciones Científicas (CSIC), Barcelona, Spain
| | - Xabier Urra
- Functional Unit of Cerebrovascular Diseases, Hospital Clínic, Barcelona, Spain; August Pi i Sunyer Biomedical Research Institute (IDIBAPS), Barcelona, Spain
| | - Sarah Behr
- Department of Neurology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Vanessa H Brait
- August Pi i Sunyer Biomedical Research Institute (IDIBAPS), Barcelona, Spain
| | - Mathias Gelderblom
- Department of Neurology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Tim Magnus
- Department of Neurology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Anna M Planas
- Department of Brain Ischemia and Neurodegeneration, Institut d'Investigacions Biomèdiques de Barcelona (IIBB), Consejo Superior de Investigaciones Científicas (CSIC), Barcelona, Spain; August Pi i Sunyer Biomedical Research Institute (IDIBAPS), Barcelona, Spain.
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Skundric DS, Cruikshank WW, Montgomery PC, Lisak RP, Tse HY. Emerging role of IL-16 in cytokine-mediated regulation of multiple sclerosis. Cytokine 2015; 75:234-48. [DOI: 10.1016/j.cyto.2015.01.005] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2014] [Revised: 12/28/2014] [Accepted: 01/09/2015] [Indexed: 10/24/2022]
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Severa M, Rizzo F, Giacomini E, Annibali V, Gafa V, Romano S, Buscarinu MC, Fornasiero A, Salvetti M, Coccia EM. IFN-β Therapy Regulates TLR7-Mediated Response in Plasmacytoid Dendritic Cells of Multiple Sclerosis Patients Influencing an Anti-Inflammatory Status. J Interferon Cytokine Res 2015; 35:668-81. [PMID: 25923141 DOI: 10.1089/jir.2014.0207] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
Plasmacytoid dendritic cells (pDCs) display altered immune-phenotype in multiple sclerosis (MS) patients and are found actively recruited in postmortem MS brain lesions, implying that their immune regulation may represent an important aspect of MS pathogenesis. Because of the reported Toll-like receptor 7 (TLR7) implication in autoimmunity, in this study we characterized how IFN-β therapy impacts on pDC activation to TLR7 triggering in MS patients, aspect only poorly investigated so far. In vivo IFN-β administration regulates pDC functions in TLR7-treated peripheral blood mononuclear cell (PBMC) cultures differently from what is observed in isolated cells, suggesting that IFN-β may activate inhibitory mechanisms in MS peripheral blood involved in turning off pDC response to dampen the ongoing inflammation. Indeed, IL-10, a key regulatory cytokine found increased upon TLR7 stimulation in in vivo IFN-β-exposed PBMCs, directly reduced pDC-mediated IFN-α production. IFN-β therapy also shaped T-cell responses by decreasing TLR7-induced pDC maturation and inducing T-cell inhibitory molecules. Accordingly, raised pDC-induced IL-27 and decreased IL-23 expression, together with high IL-10 level, contribute to inhibit Th17 cell differentiation. Our study uncovered a role for IFN-β in the regulation of TLR7-mediated pDC responses in MS toward an anti-inflammatory phenotype opening new opportunities to better understand mechanisms of action of this drug in controlling MS immunopathogenesis.
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Affiliation(s)
- Martina Severa
- 1 Department of Infectious, Parasitic and Immune-mediated Diseases, Istituto Superiore di Sanità , Rome, Italy
| | - Fabiana Rizzo
- 1 Department of Infectious, Parasitic and Immune-mediated Diseases, Istituto Superiore di Sanità , Rome, Italy
| | - Elena Giacomini
- 1 Department of Infectious, Parasitic and Immune-mediated Diseases, Istituto Superiore di Sanità , Rome, Italy
| | - Viviana Annibali
- 2 Centre for Experimental Neurological Therapies (CENTERS), S. Andrea Hospital Site, Sapienza University , Rome, Italy
| | - Valerie Gafa
- 1 Department of Infectious, Parasitic and Immune-mediated Diseases, Istituto Superiore di Sanità , Rome, Italy
| | - Silvia Romano
- 2 Centre for Experimental Neurological Therapies (CENTERS), S. Andrea Hospital Site, Sapienza University , Rome, Italy
| | - Maria Chiara Buscarinu
- 2 Centre for Experimental Neurological Therapies (CENTERS), S. Andrea Hospital Site, Sapienza University , Rome, Italy
| | - Arianna Fornasiero
- 2 Centre for Experimental Neurological Therapies (CENTERS), S. Andrea Hospital Site, Sapienza University , Rome, Italy
| | - Marco Salvetti
- 2 Centre for Experimental Neurological Therapies (CENTERS), S. Andrea Hospital Site, Sapienza University , Rome, Italy
| | - Eliana Marina Coccia
- 1 Department of Infectious, Parasitic and Immune-mediated Diseases, Istituto Superiore di Sanità , Rome, Italy
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