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Zhang C, Qiu M, Fu H. Oligodendrocytes in central nervous system diseases: the effect of cytokine regulation. Neural Regen Res 2024; 19:2132-2143. [PMID: 38488548 PMCID: PMC11034588 DOI: 10.4103/1673-5374.392854] [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: 07/31/2023] [Revised: 11/08/2023] [Accepted: 12/06/2023] [Indexed: 04/24/2024] Open
Abstract
Cytokines including tumor necrosis factor, interleukins, interferons, and chemokines are abundantly produced in various diseases. As pleiotropic factors, cytokines are involved in nearly every aspect of cellular functions such as migration, survival, proliferation, and differentiation. Oligodendrocytes are the myelin-forming cells in the central nervous system and play critical roles in the conduction of action potentials, supply of metabolic components for axons, and other functions. Emerging evidence suggests that both oligodendrocytes and oligodendrocyte precursor cells are vulnerable to cytokines released under pathological conditions. This review mainly summarizes the effects of cytokines on oligodendrocyte lineage cells in central nervous system diseases. A comprehensive understanding of the effects of cytokines on oligodendrocyte lineage cells contributes to our understanding of central nervous system diseases and offers insights into treatment strategies.
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Affiliation(s)
- Chengfu Zhang
- Center for Cognition and Brain Disorders, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, Zhejiang Province, China
- Department of Psychiatry, National Clinical Research Center for Mental Disorders, and National Center for Mental Disorders, The Second Xiangya Hospital of Central South University, Changsha, Hunan Province, China
| | - Mengsheng Qiu
- Institute of Life Sciences, Key Laboratory of Organ Development and Regeneration of Zhejiang Province, College of Life and Environment Sciences, Hangzhou Normal University, Hangzhou, Zhejiang Province, China
| | - Hui Fu
- Key Laboratory of Aging and Cancer Biology of Zhejiang Province, School of Basic Medical Sciences, Hangzhou Normal University, Hangzhou, Zhejiang Province, China
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2
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Chen F, Lu K, Bai N, Hao Y, Wang H, Zhao X, Yue F. Oral administration of ellagic acid mitigates perioperative neurocognitive disorders, hippocampal oxidative stress, and neuroinflammation in aged mice by restoring IGF-1 signaling. Sci Rep 2024; 14:2509. [PMID: 38291199 PMCID: PMC10827749 DOI: 10.1038/s41598-024-53127-8] [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: 07/20/2023] [Accepted: 01/29/2024] [Indexed: 02/01/2024] Open
Abstract
This study investigates the potential of ellagic acid (EA), a phytochemical with antioxidant and anti-inflammatory properties, in managing perioperative neurocognitive disorders (PND). PND, which represents a spectrum of cognitive impairments often faced by elderly patients, is principally linked to surgical and anesthesia procedures, and heavily impacted by oxidative stress in the hippocampus and microglia-induced neuroinflammation. Employing an aged mice model subjected to abdominal surgery, we delve into EA's ability to counteract postoperative oxidative stress and cerebral inflammation by engaging the Insulin-like growth factor-1 (IGF-1) pathway. Our findings revealed that administering EA orally notably alleviated post-surgical cognitive decline in older mice, a fact that was manifested in improved performance during maze tests. This enhancement in the behavioral performance of the EA-treated mice corresponded with the rejuvenation of IGF-1 signaling, a decrease in oxidative stress markers in the hippocampus (like MDA and carbonylated protein), and an increase in the activity of antioxidant enzymes such as SOD and CAT. Alongside these, we observed a decrease in microglia-driven neuroinflammation in the hippocampus, thus underscoring the antioxidant and anti-inflammatory roles of EA. Interestingly, when EA was given in conjunction with an IGF1R inhibitor, these benefits were annulled, accentuating the pivotal role that the IGF-1 pathway plays in the neuroprotective potential of EA. Hence, EA could serve as a potent candidate for safeguarding against PND in older patients by curbing oxidative stress and neuroinflammation through the activation of the IGF-1 pathway.
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Affiliation(s)
- Fang Chen
- Department of Anesthesiology, Shaanxi Provincial People's Hospital, The Third Affiliated Hospital of Xi'an Jiaotong University, Xi'an Jiaotong University, Xi'an, 710068, Shaanxi, China
| | - Kai Lu
- Department of Anesthesiology, Shaanxi Provincial People's Hospital, The Third Affiliated Hospital of Xi'an Jiaotong University, Xi'an Jiaotong University, Xi'an, 710068, Shaanxi, China
| | - Ning Bai
- Department of Anesthesiology, Shaanxi Provincial People's Hospital, The Third Affiliated Hospital of Xi'an Jiaotong University, Xi'an Jiaotong University, Xi'an, 710068, Shaanxi, China
| | - Yabo Hao
- Department of Anesthesiology, Shaanxi Provincial People's Hospital, The Third Affiliated Hospital of Xi'an Jiaotong University, Xi'an Jiaotong University, Xi'an, 710068, Shaanxi, China
| | - Hui Wang
- Department of Anesthesiology, Shaanxi Provincial People's Hospital, The Third Affiliated Hospital of Xi'an Jiaotong University, Xi'an Jiaotong University, Xi'an, 710068, Shaanxi, China
| | - Xinrong Zhao
- Department of Anesthesiology, Shaanxi Provincial People's Hospital, The Third Affiliated Hospital of Xi'an Jiaotong University, Xi'an Jiaotong University, Xi'an, 710068, Shaanxi, China
| | - Fang Yue
- Department of Anesthesiology, Shaanxi Provincial People's Hospital, The Third Affiliated Hospital of Xi'an Jiaotong University, Xi'an Jiaotong University, Xi'an, 710068, Shaanxi, China.
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3
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Cook SA. Understanding interleukin 11 as a disease gene and therapeutic target. Biochem J 2023; 480:1987-2008. [PMID: 38054591 PMCID: PMC10754292 DOI: 10.1042/bcj20220160] [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: 09/16/2023] [Revised: 11/13/2023] [Accepted: 11/27/2023] [Indexed: 12/07/2023]
Abstract
Interleukin 11 (IL11) is an elusive member of the IL6 family of cytokines. While initially thought to be a haematopoietic and cytoprotective factor, more recent data show instead that IL11 is redundant for haematopoiesis and toxic. In this review, the reasons that led to the original misunderstandings of IL11 biology, which are now understandable, are explained with particular attention on the use of recombinant human IL11 in mice and humans. Following tissue injury, as part of an evolutionary ancient homeostatic response, IL11 is secreted from damaged mammalian cells to signal via JAK/STAT3, ERK/P90RSK, LKB1/mTOR and GSK3β/SNAI1 in autocrine and paracrine. This activates a program of mesenchymal transition of epithelial, stromal, and endothelial cells to cause inflammation, fibrosis, and stalled endogenous tissue repair, leading to organ failure. The role of IL11 signalling in cell- and organ-specific pathobiology is described, the large unknowns about IL11 biology are discussed and the promise of targeting IL11 signalling as a therapeutic approach is reviewed.
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Affiliation(s)
- Stuart A Cook
- MRC-London Institute of Medical Sciences, Hammersmith Hospital Campus, London, U.K
- National Heart Research Institute Singapore, National Heart Centre Singapore, Singapore, Singapore
- Cardiovascular and Metabolic Disorders Program, Duke-National University of Singapore Medical School, Singapore, Singapore
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4
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Guo X, Jiang C, Chen Z, Wang X, Hong F, Hao D. Regulation of the JAK/STAT signaling pathway in spinal cord injury: an updated review. Front Immunol 2023; 14:1276445. [PMID: 38022526 PMCID: PMC10663250 DOI: 10.3389/fimmu.2023.1276445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Accepted: 10/11/2023] [Indexed: 12/01/2023] Open
Abstract
Cytokines are involved in neural homeostasis and pathological processes associated with neuroinflammation after spinal cord injury (SCI). The biological effect of cytokines, including those associated with acute or chronic SCI pathologies, are the result of receptor-mediated signaling through the Janus kinases (JAKs) as well as the signal transducers and activators of transcription (STAT) DNA-binding protein families. Although therapies targeting at cytokines have led to significant changes in the treatment of SCI, they present difficulties in various aspects for the direct use by patients themselves. Several small-molecule inhibitors of JAKs, which may affect multiple pro-inflammatory cytokine-dependent pathways, as well as STATs, are in clinical development for the treatment of SCI. This review describes the current understanding of the JAK-STAT signaling in neuroendocrine homeostasis and diseases, together with the rationale for targeting at this pathway for the treatment of SCI.
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Affiliation(s)
- Xinyu Guo
- Department of Spine Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi’an, China
| | - Chao Jiang
- Department of Spine Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi’an, China
| | - Zhe Chen
- Department of Spine Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi’an, China
| | - Xiaohui Wang
- Department of Spine Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi’an, China
- Department of Developmental Genetics, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
| | - Fan Hong
- Department of Spine Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi’an, China
| | - Dingjun Hao
- Department of Spine Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi’an, China
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Zuo D, Zheng Q, Xiao M, Wang X, Chen H, Xu J, Zhang Q, Xiong Y, Ye L, Feng Z. Anti-apoptosis effect of recombinant human interleukin-11 in neonatal hypoxic-ischemic rats through activating the IL-11Rα/STAT3 signaling pathway. J Stroke Cerebrovasc Dis 2023; 32:106923. [PMID: 36521373 DOI: 10.1016/j.jstrokecerebrovasdis.2022.106923] [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: 09/27/2022] [Revised: 11/21/2022] [Accepted: 12/04/2022] [Indexed: 12/15/2022] Open
Abstract
Hypoxia-ischemia (HI) is one of the most common causes of death and disability in neonates. Apoptosis contributes to HI development. Interleukin-11(IL-11) has been shown to protect mice from cerebral ischemia/reperfusion injury. However, whether IL-11 exerts the anti-apoptotic effect on HI injury is unclear. In this study, we demonstrated that recombinant human IL-11 (rhIL-11) prevented apoptosis of rat neonates with HI through activating IL-11Rα/STAT3 signaling. Sprague-Dawley rat pups on the 7th day after birth were used to establish an HI injury model. The expression levels of IL-11Rα and GP130 were increased first and then decreased after HI. In contrast, IL-11 expression was first decreased and then increased. Immunofluorescence staining showed that IL-11Rα was localized in neurons and oligodendrocytes. RhIL-11 treatment alleviated hippocampal and cortical damages, significantly reduced cerebral infarction volumes, cerebral edema, and loss of the Nissl body and nerve cells, and also ameliorated the outcomes of HI injury and long-term neurological deficits. In addition, rhIL-11 treatment upregulated the expressions levels of Bcl-2 and p-STAT3/STAT3, and downregulated the protein concentrations of the lytic protease, and cleaved-caspase-3. Furthermore, GP130 inhibitor and JAK1 inhibitor reversed the protective effects of rhIL-11. Overall, rhIL-11 showed an anti-apoptosis effect on the brain after HI injury. Our results indicated that rhIL-11 reduced neuronal apoptosis by activating the brain IL-11Rα/STAT3 pathway.
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Affiliation(s)
- Ding Zuo
- Department of Pharmacology, School of Basic Medical Sciences, Guizhou Medical University, Guiyang, China
| | - Qian Zheng
- Department of neurology, Affiliated Hospital of Guizhou Medical University, Guiyang, China
| | - Mei Xiao
- The Pharmacy Department, People's Hospital of Nayong County, Nayong County, China
| | - Xiaoya Wang
- Department of Pharmacology, School of Basic Medical Sciences, Guizhou Medical University, Guiyang, China
| | - Huixin Chen
- Department of Pharmacology, Guizhou Vocational and Technical College of Nursing, Qiannan Prefecture, China
| | - Jianwei Xu
- Center for Tissue Engineering and Stem Cell Research, School of Basic Medical Sciences, Guizhou Medical University, China
| | - Qing Zhang
- Department of Pharmacology, School of Basic Medical Sciences, Guizhou Medical University, Guiyang, China
| | - Ying Xiong
- The Medical Function Laboratory of Experimental Teaching Center of Basic Medicine, School of Basic Medical Sciences, Guizhou Medical University, Guiyang, China
| | - Lan Ye
- The Medical Function Laboratory of Experimental Teaching Center of Basic Medicine, School of Basic Medical Sciences, Guizhou Medical University, Guiyang, China.
| | - Zhanhui Feng
- Department of neurology, Affiliated Hospital of Guizhou Medical University, Guiyang, China.
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6
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Airapetov MI, Eresko SO, Ignatova PD, Lebedev AA, Bychkov ER, Shabanov PD. Interleukin-11 in Pathologies of the Nervous System. Mol Biol 2023; 57:1-6. [PMID: 37016665 PMCID: PMC10062686 DOI: 10.1134/s0026893323010028] [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: 05/08/2022] [Revised: 07/15/2022] [Accepted: 07/15/2022] [Indexed: 04/03/2023]
Abstract
The study of the role of cytokines in various pathological conditions of the body is a topical area in modern biomedicine. Understanding the physiological roles played by cytokines will aid in finding applications for them as pharmacological agents in clinical practice. Interleukin 11 (IL-11) was discovered in 1990 in fibrocyte-like bone marrow stromal cells, but there has been increased interest in this cytokine in recent years. IL-11 has been shown to correct inflammatory pathways in the epithelial tissues of the respiratory system, where the main events occur during SARS-CoV-2 infection. Further research in this direction will probably support the use of this cytokine in clinical practice. The cytokine plays a significant role in the central nervous system; local expression by nerve cells has been shown. Studies show the involvement of IL-11 in the mechanisms of development of a number of pathologies of the nervous system, and therefore it seems relevant to generalize and analyze the experimental data obtained in this direction. This review summarizes information that shows the involvement of IL-11 in the mechanisms of development of brain pathologies. In the near future this cytokine will likely find clinical application for the correction of mechanisms that are involved in the formation of pathological conditions of the nervous system.
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Affiliation(s)
- M. I. Airapetov
- Department of Pharmacology, St. Petersburg State Pediatric Medical University, 194044 St. Petersburg, Russia
- Department of Neuropharmacology, Institute of Experimental Medicine, 197022 St. Petersburg, Russia
| | - S. O. Eresko
- Department of Neuropharmacology, Institute of Experimental Medicine, 197022 St. Petersburg, Russia
- Research and Training Center of Molecular and Cellular Technologies, St. Petersburg State Chemical Pharmaceutical University, 197101 St. Petersburg, Russia
| | - P. D. Ignatova
- Department of Pharmacology, St. Petersburg State Pediatric Medical University, 194044 St. Petersburg, Russia
| | - A. A. Lebedev
- Department of Neuropharmacology, Institute of Experimental Medicine, 197022 St. Petersburg, Russia
| | - E. R. Bychkov
- Department of Neuropharmacology, Institute of Experimental Medicine, 197022 St. Petersburg, Russia
| | - P. D. Shabanov
- Department of Neuropharmacology, Institute of Experimental Medicine, 197022 St. Petersburg, Russia
- Department of Pharmacology, Kirov Military Medical Academy, 194044 St. Petersburg, Russia
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7
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Johnston RA, Atkins CL, Siddiqui SR, Jackson WT, Mitchell NC, Spencer CY, Pilkington AW, Kashon ML, Haque IU. Interleukin-11 receptor subunit α-1 is required for maximal airway responsiveness to methacholine after acute exposure to ozone. Am J Physiol Regul Integr Comp Physiol 2022; 323:R921-R934. [PMID: 36283092 PMCID: PMC9722265 DOI: 10.1152/ajpregu.00213.2022] [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: 08/26/2022] [Revised: 10/24/2022] [Accepted: 10/24/2022] [Indexed: 11/22/2022]
Abstract
Interleukin (IL)-11, a multifunctional cytokine, contributes to numerous biological processes, including adipogenesis, hematopoiesis, and inflammation. Asthma, a respiratory disease, is notably characterized by reversible airway obstruction, persistent lung inflammation, and airway hyperresponsiveness (AHR). Nasal insufflation of IL-11 causes AHR in wild-type mice while lung inflammation induced by antigen sensitization and challenge, which mimics features of atopic asthma in humans, is attenuated in mice genetically deficient in IL-11 receptor subunit α-1 (IL-11Rα1-deficient mice), a transmembrane receptor that is required conjointly with glycoprotein 130 to transduce IL-11 signaling. Nevertheless, the contribution of IL-11Rα1 to characteristics of nonatopic asthma is unknown. Thus, based on the aforementioned observations, we hypothesized that genetic deficiency of IL-11Rα1 attenuates lung inflammation and increases airway responsiveness after acute inhalation exposure to ozone (O3), a criteria pollutant and nonatopic asthma stimulus. Accordingly, 4 and/or 24 h after cessation of exposure to filtered room air or O3, we assessed lung inflammation and airway responsiveness in wild-type and IL-11Rα1-deficient mice. With the exception of bronchoalveolar lavage macrophages and adiponectin, which were significantly increased and decreased, respectively, in O3-exposed IL-11Rα1-deficient as compared with O3-exposed wild-type mice, no other genotype-related differences in lung inflammation indices that we quantified were observed in O3-exposed mice. However, airway responsiveness to acetyl-β-methylcholine chloride (methacholine) was significantly diminished in IL-11Rα1-deficient as compared with wild-type mice after O3 exposure. In conclusion, these results demonstrate that IL-11Rα1 minimally contributes to lung inflammation but is required for maximal airway responsiveness to methacholine in a mouse model of nonatopic asthma.
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Affiliation(s)
- Richard A Johnston
- Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, Morgantown, West Virginia
- Division of Critical Care Medicine, Department of Pediatrics, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas
- Department of Integrative Biology and Pharmacology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas
| | - Constance L Atkins
- Division of Pulmonary Medicine, Department of Pediatrics, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas
| | - Saad R Siddiqui
- Division of Critical Care Medicine, Department of Pediatrics, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas
| | - William T Jackson
- Division of Critical Care Medicine, Department of Pediatrics, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas
| | - Nicholas C Mitchell
- Division of Critical Care Medicine, Department of Pediatrics, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas
| | - Chantal Y Spencer
- Section of Pediatric Pulmonology, Department of Pediatrics, Baylor College of Medicine, Houston, Texas
| | - Albert W Pilkington
- Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, Morgantown, West Virginia
| | - Michael L Kashon
- Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, Morgantown, West Virginia
| | - Ikram U Haque
- Division of Critical Care Medicine, Department of Pediatrics, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas
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8
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Savchuk S, Monje M. Mini-Review: Aplastic Myelin Following Chemotherapy. Neurosci Lett 2022; 790:136861. [PMID: 36055447 DOI: 10.1016/j.neulet.2022.136861] [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: 12/09/2021] [Revised: 05/12/2022] [Accepted: 08/26/2022] [Indexed: 11/16/2022]
Abstract
The contribution of chemotherapy to improved outcomes for cancer patients is unquestionable. Yet as its applications broaden, so do the concerns for the long-term implications of chemotherapy on the health of cancer survivors, with chemotherapy-related cognitive impairment as a cause for particular urgency. In this mini review, we explore myelin aplasticity following chemotherapy, discussing the role of myelin plasticity in healthy cognition and failure of myelin plasticity chiefly due microenvironmental aberrations in chemotherapy-related cognitive impairment. Possible therapeutic strategies to mitigate chemotherapy-induced myelin dysfunction are also discussed.
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Affiliation(s)
- Solomiia Savchuk
- Department of Neurology and Neurological Sciences, Stanford University, Stanford, CA, 94305, USA
| | - Michelle Monje
- Department of Neurology and Neurological Sciences, Stanford University, Stanford, CA, 94305, USA; Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA, 94305, USA; Department of Neurosurgery, Stanford University, Stanford, CA, 94305, USA; Department of Pathology, Stanford University, Stanford, CA, 94305, USA; Department of Pediatrics, Stanford University, Stanford, CA, 94305, USA; Howard Hughes Medical Institute, Stanford University, Stanford, CA, 94305, USA.
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9
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Airapetov M, Eresko S, Ignatova P, Lebedev A, Bychkov E, Shabanov P. A brief summary regarding the roles of interleukin-11 in neurological diseases. Biosci Trends 2022; 16:367-370. [DOI: 10.5582/bst.2022.01331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Marat Airapetov
- Department of Neuropharmacology, Institute of Experimental Medicine, St. Petersburg, Russia
| | - Sergei Eresko
- Department of Neuropharmacology, Institute of Experimental Medicine, St. Petersburg, Russia
| | - Polina Ignatova
- Department of Neuropharmacology, Institute of Experimental Medicine, St. Petersburg, Russia
| | - Andrei Lebedev
- Department of Neuropharmacology, Institute of Experimental Medicine, St. Petersburg, Russia
| | - Evgenii Bychkov
- Department of Neuropharmacology, Institute of Experimental Medicine, St. Petersburg, Russia
| | - Petr Shabanov
- Department of Neuropharmacology, Institute of Experimental Medicine, St. Petersburg, Russia
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10
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Fung KY, Louis C, Metcalfe RD, Kosasih CC, Wicks IP, Griffin MDW, Putoczki TL. Emerging roles for IL-11 in inflammatory diseases. Cytokine 2021; 149:155750. [PMID: 34689057 DOI: 10.1016/j.cyto.2021.155750] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Revised: 10/08/2021] [Accepted: 10/11/2021] [Indexed: 12/16/2022]
Abstract
Interleukin-11 (IL-11) is a cytokine that has been strongly implicated in the pathogenesis of fibrotic diseases and solid malignancies. Elevated IL-11 expression is also associated with several non-malignant inflammatory diseases where its function remains less well-characterized. Here, we summarize current literature surrounding the contribution of IL-11 to the pathogenesis of autoimmune inflammatory diseases, including rheumatoid arthritis, multiple sclerosis, diabetes and systemic sclerosis, as well as other chronic inflammatory conditions such as periodontitis, asthma, chronic obstructive pulmonary disease, psoriasis and colitis.
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Affiliation(s)
- Ka Yee Fung
- Personalised Oncology Division, The Walter and Eliza Hall Institute of Medical Research, Victoria 3052, Australia; Department of Medical Biology, University of Melbourne, Victoria 3053, Australia.
| | - Cynthia Louis
- Department of Medical Biology, University of Melbourne, Victoria 3053, Australia; Inflammation Division, The Walter and Eliza Hall Institute of Medical Research, Victoria 3052, Australia
| | - Riley D Metcalfe
- Department of Biochemistry and Pharmacology, Bio21 Molecular Science and Technology Institute, University of Melbourne, Victoria 3010, Australia
| | - Clara C Kosasih
- Department of Biochemistry and Pharmacology, Bio21 Molecular Science and Technology Institute, University of Melbourne, Victoria 3010, Australia
| | - Ian P Wicks
- Department of Medical Biology, University of Melbourne, Victoria 3053, Australia; Inflammation Division, The Walter and Eliza Hall Institute of Medical Research, Victoria 3052, Australia; Rheumatology Unit, The Royal Melbourne Hospital, Victoria 3050, Australia
| | - Michael D W Griffin
- Department of Biochemistry and Pharmacology, Bio21 Molecular Science and Technology Institute, University of Melbourne, Victoria 3010, Australia
| | - Tracy L Putoczki
- Personalised Oncology Division, The Walter and Eliza Hall Institute of Medical Research, Victoria 3052, Australia; Department of Medical Biology, University of Melbourne, Victoria 3053, Australia.
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11
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Parkitny L, Maletic-Savatic M. Glial PAMPering and DAMPening of Adult Hippocampal Neurogenesis. Brain Sci 2021; 11:1299. [PMID: 34679362 PMCID: PMC8533961 DOI: 10.3390/brainsci11101299] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 09/16/2021] [Accepted: 09/22/2021] [Indexed: 12/24/2022] Open
Abstract
Adult neurogenesis represents a mature brain's capacity to integrate newly generated neurons into functional circuits. Impairment of neurogenesis contributes to the pathophysiology of various mood and cognitive disorders such as depression and Alzheimer's Disease. The hippocampal neurogenic niche hosts neural progenitors, glia, and vasculature, which all respond to intrinsic and environmental cues, helping determine their current state and ultimate fate. In this article we focus on the major immune communication pathways and mechanisms through which glial cells sense, interact with, and modulate the neurogenic niche. We pay particular attention to those related to the sensing of and response to innate immune danger signals. Receptors for danger signals were first discovered as a critical component of the innate immune system response to pathogens but are now also recognized to play a crucial role in modulating non-pathogenic sterile inflammation. In the neurogenic niche, viable, stressed, apoptotic, and dying cells can activate danger responses in neuroimmune cells, resulting in neuroprotection or neurotoxicity. Through these mechanisms glial cells can influence hippocampal stem cell fate, survival, neuronal maturation, and integration. Depending on the context, such responses may be appropriate and on-target, as in the case of learning-associated synaptic pruning, or excessive and off-target, as in neurodegenerative disorders.
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Affiliation(s)
- Luke Parkitny
- Baylor College of Medicine and Jan and Dan Duncan Neurological Research Institute at Texas Children’s Hospital, Houston, TX 77030, USA;
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12
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König C, Vazquez E, Eß S, Ebbinghaus M, Vorpahl B, Ebersberger A, Schaible HG. Spinal interleukin-1β induces mechanical spinal hyperexcitability in rats: Interactions and redundancies with TNF and IL-6. J Neurochem 2021; 158:898-911. [PMID: 34050952 DOI: 10.1111/jnc.15438] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 05/05/2021] [Accepted: 05/11/2021] [Indexed: 11/28/2022]
Abstract
Both spinal tumor necrosis factor (TNF) and interleukin-6 (IL-6) contribute to the development of "mechanical" spinal hyperexcitability in inflammatory pain states. Recently, we found that spinal sensitization by TNF was significantly reduced by blockade of spinal IL-6 signaling suggesting that IL-6 signaling is involved in spinal TNF effects. Here, we explored whether spinal interleukin-1β (IL-1β), also implicated in inflammatory pain, induces "mechanical" spinal hyperexcitability, and whether spinal IL-1β effects are related to TNF and IL-6 effects. We recorded the responses of spinal cord neurons to mechanical stimulation of the knee joint in vivo and used cellular approaches on microglial and astroglial cell lines to identify interactions of IL-1β, TNF, and IL-6. Spinal application of IL-1β in anesthetized rats modestly enhanced responses of spinal cord neurons to innocuous and noxious mechanical joint stimulation. This effect was blocked by minocycline indicating microglia involvement, and significantly attenuated by interfering with IL-6 signaling. In the BV2 microglial cell line, IL-1β, like TNF, enhanced the release of soluble IL-6 receptor, necessary for spinal IL-6 actions. Different to TNF, IL-1β caused SNB-19 astrocytes to release interleukin-11. The generation of "mechanical" spinal hyperexcitability by IL-1β was more pronounced upon spinal TNF neutralization with etanercept, suggesting that concomitant TNF limits IL-1β effects. In BV2 cells, TNF stimulated the release of IL-1Ra, an endogenous IL-1β antagonist. Thus, spinal IL-1β has the potential to induce spinal hyperexcitability sharing with TNF dependency on IL-6 signaling, but TNF also limited IL-1β effects explaining the modest effect of IL-1β.
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Affiliation(s)
- Christian König
- Institute of Physiology1/Neurophysiology, Jena University Hospital, Friedrich-Schiller-University of Jena, Jena, Germany
| | - Enrique Vazquez
- Institute of Physiology1/Neurophysiology, Jena University Hospital, Friedrich-Schiller-University of Jena, Jena, Germany
| | - Sabrina Eß
- Institute of Physiology1/Neurophysiology, Jena University Hospital, Friedrich-Schiller-University of Jena, Jena, Germany
| | - Matthias Ebbinghaus
- Institute of Physiology1/Neurophysiology, Jena University Hospital, Friedrich-Schiller-University of Jena, Jena, Germany
| | - Björn Vorpahl
- Institute of Physiology1/Neurophysiology, Jena University Hospital, Friedrich-Schiller-University of Jena, Jena, Germany
| | - Andrea Ebersberger
- Institute of Physiology1/Neurophysiology, Jena University Hospital, Friedrich-Schiller-University of Jena, Jena, Germany
| | - Hans-Georg Schaible
- Institute of Physiology1/Neurophysiology, Jena University Hospital, Friedrich-Schiller-University of Jena, Jena, Germany
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Psenicka MW, Smith BC, Tinkey RA, Williams JL. Connecting Neuroinflammation and Neurodegeneration in Multiple Sclerosis: Are Oligodendrocyte Precursor Cells a Nexus of Disease? Front Cell Neurosci 2021; 15:654284. [PMID: 34234647 PMCID: PMC8255483 DOI: 10.3389/fncel.2021.654284] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Accepted: 05/20/2021] [Indexed: 12/14/2022] Open
Abstract
The pathology in neurodegenerative diseases is often accompanied by inflammation. It is well-known that many cells within the central nervous system (CNS) also contribute to ongoing neuroinflammation, which can promote neurodegeneration. Multiple sclerosis (MS) is both an inflammatory and neurodegenerative disease in which there is a complex interplay between resident CNS cells to mediate myelin and axonal damage, and this communication network can vary depending on the subtype and chronicity of disease. Oligodendrocytes, the myelinating cell of the CNS, and their precursors, oligodendrocyte precursor cells (OPCs), are often thought of as the targets of autoimmune pathology during MS and in several animal models of MS; however, there is emerging evidence that OPCs actively contribute to inflammation that directly and indirectly contributes to neurodegeneration. Here we discuss several contributors to MS disease progression starting with lesion pathology and murine models amenable to studying particular aspects of disease. We then review how OPCs themselves can play an active role in promoting neuroinflammation and neurodegeneration, and how other resident CNS cells including microglia, astrocytes, and neurons can impact OPC function. Further, we outline the very complex and pleiotropic role(s) of several inflammatory cytokines and other secreted factors classically described as solely deleterious during MS and its animal models, but in fact, have many neuroprotective functions and promote a return to homeostasis, in part via modulation of OPC function. Finally, since MS affects patients from the onset of disease throughout their lifespan, we discuss the impact of aging on OPC function and CNS recovery. It is becoming clear that OPCs are not simply a bystander during MS progression and uncovering the active roles they play during different stages of disease will help uncover potential new avenues for therapeutic intervention.
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Affiliation(s)
- Morgan W. Psenicka
- Department of Neurosciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, United States
| | - Brandon C. Smith
- Department of Neurosciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, United States
- Department of Biological, Geological, and Environmental Sciences, Cleveland State University, Cleveland, OH, United States
| | - Rachel A. Tinkey
- Department of Neurosciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, United States
- School of Biomedical Sciences, Kent State University, Kent, OH, United States
| | - Jessica L. Williams
- Department of Neurosciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, United States
- Brain Health Research Institute, Kent State University, Kent, OH, United States
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Astrocytes in Multiple Sclerosis-Essential Constituents with Diverse Multifaceted Functions. Int J Mol Sci 2021; 22:ijms22115904. [PMID: 34072790 PMCID: PMC8198285 DOI: 10.3390/ijms22115904] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 05/24/2021] [Accepted: 05/25/2021] [Indexed: 11/19/2022] Open
Abstract
In multiple sclerosis (MS), astrocytes respond to the inflammatory stimulation with an early robust process of morphological, transcriptional, biochemical, and functional remodeling. Recent studies utilizing novel technologies in samples from MS patients, and in an animal model of MS, experimental autoimmune encephalomyelitis (EAE), exposed the detrimental and the beneficial, in part contradictory, functions of this heterogeneous cell population. In this review, we summarize the various roles of astrocytes in recruiting immune cells to lesion sites, engendering the inflammatory loop, and inflicting tissue damage. The roles of astrocytes in suppressing excessive inflammation and promoting neuroprotection and repair processes is also discussed. The pivotal roles played by astrocytes make them an attractive therapeutic target. Improved understanding of astrocyte function and diversity, and the mechanisms by which they are regulated may lead to the development of novel approaches to selectively block astrocytic detrimental responses and/or enhance their protective properties.
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15
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Gupta A, Singh AK, Kumar R, Jamieson S, Pandey AK, Bishayee A. Neuroprotective Potential of Ellagic Acid: A Critical Review. Adv Nutr 2021; 12:1211-1238. [PMID: 33693510 PMCID: PMC8321875 DOI: 10.1093/advances/nmab007] [Citation(s) in RCA: 60] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 09/02/2020] [Accepted: 01/19/2021] [Indexed: 02/06/2023] Open
Abstract
Ellagic acid (EA) is a dietary polyphenol present in various fruits, vegetables, herbs, and nuts. It exists either independently or as part of complex structures, such as ellagitannins, which release EA and several other metabolites including urolithins following absorption. During the past few decades, EA has drawn considerable attention because of its vast range of biological activities as well as its numerous molecular targets. Several studies have reported that the oxidative stress-lowering potential of EA accounts for its broad-spectrum pharmacological attributes. At the biochemical level, several mechanisms have also been associated with its therapeutic action, including its efficacy in normalizing lipid metabolism and lipidemic profile, regulating proinflammatory mediators, such as IL-6, IL-1β, and TNF-α, upregulating nuclear factor erythroid 2-related factor 2 and inhibiting NF-κB action. EA exerts appreciable neuroprotective activity by its free radical-scavenging action, iron chelation, initiation of several cell signaling pathways, and alleviation of mitochondrial dysfunction. Numerous in vivo studies have also explored the neuroprotective attribute of EA against various neurotoxins in animal models. Despite the increasing number of publications with experimental evidence, a critical analysis of available literature to understand the full neuroprotective potential of EA has not been performed. The present review provides up-to-date, comprehensive, and critical information regarding the natural sources of EA, its bioavailability, metabolism, neuroprotective activities, and underlying mechanisms of action in order to encourage further studies to define the clinical usefulness of EA for the management of neurological disorders.
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Affiliation(s)
- Ashutosh Gupta
- Department of Biochemistry, University of Allahabad, Prayagraj, Uttar Pradesh, India
| | - Amit Kumar Singh
- Department of Biochemistry, University of Allahabad, Prayagraj, Uttar Pradesh, India
| | - Ramesh Kumar
- Department of Biochemistry, University of Allahabad, Prayagraj, Uttar Pradesh, India
| | - Sarah Jamieson
- Lake Erie College of Osteopathic Medicine, Bradenton, FL, USA
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16
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Zhang H, Zhao JL, Zheng Y, Xie XL, Huang LH, Li L, Zhu Y, Lu LF, Hu TQ, Zhong W, He QM. Correlation analysis of IL-11 polymorphisms and Hirschsprung disease subtype susceptibility in Southern Chinese Children. BMC Med Genomics 2021; 14:21. [PMID: 33468134 PMCID: PMC7814452 DOI: 10.1186/s12920-020-00867-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2020] [Accepted: 12/29/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Hirschsprung disease (HSCR) is a hereditary defect, which is characterized by the absence of enteric ganglia and is frequently concurrent with Hirschsprung-associated enterocolitis (HAEC). However, the pathogenesis for HSCR is complicated and remains unclear. Recent studies have shown that pro-inflammatory cytokines such as interleukin-11 (IL-11) are involved in the enteric nervous system's progress. It was found that IL-11 SNPs (rs8104023 and rs4252546) are associated with HSCR in the Korean population waiting for replication in an independent cohort. This study evaluated the relationship between IL-11 and the susceptibility of patients to HSCR by performing subphenotype interaction examination, HAEC pre-/post-surgical patient-only association analysis, and independence testing. METHODS In this study, a cohort consisting of children from Southern China, comprising 1470 cases and 1473 controls, was chosen to examine the relationship between two polymorphisms (rs8104023 and rs4252546 in IL-11) and susceptibility to HSCR by replication research, subphenotype association analysis, and independence testing. RESULTS The results showed that IL-11 gene polymorphisms (rs8104023 and rs4252546) are not associated with the risk of HSCR in the Chinese population. The results of both short-segment and long-segment (S-HSCR and L-HSCR) surgery (3.34 ≤ OR ≤ 4.05, 0.02 ≤ P ≤ 0.04) showed that single nucleotide polymorphisms (SNP) rs8104023 is associated with susceptibility to HAEC. CONCLUSIONS This study explored the relationship between genetic polymorphisms and susceptibility to HAEC in HSCR subtypes for the first time. These findings should be replicated in a larger and multicentre study.
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Affiliation(s)
- Hong Zhang
- Department of Pediatric Surgery, Guangzhou Institute of Pediatrics, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, 9 Jinsui Road, Guangzhou, 510623 Guangdong China
| | - Jing-Lu Zhao
- Department of Pediatric Surgery, Guangzhou Institute of Pediatrics, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, 9 Jinsui Road, Guangzhou, 510623 Guangdong China
| | - Yi Zheng
- Department of Pediatric Surgery, Guangzhou Institute of Pediatrics, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, 9 Jinsui Road, Guangzhou, 510623 Guangdong China
| | - Xiao-Li Xie
- Department of Pediatric Surgery, Guangzhou Institute of Pediatrics, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, 9 Jinsui Road, Guangzhou, 510623 Guangdong China
| | - Li-Hua Huang
- Department of Pediatric Surgery, Guangzhou Institute of Pediatrics, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, 9 Jinsui Road, Guangzhou, 510623 Guangdong China
| | - Le Li
- Department of Pediatric Surgery, Guangzhou Institute of Pediatrics, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, 9 Jinsui Road, Guangzhou, 510623 Guangdong China
| | - Yun Zhu
- Department of Pediatric Surgery, Guangzhou Institute of Pediatrics, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, 9 Jinsui Road, Guangzhou, 510623 Guangdong China
| | - Li-Feng Lu
- Department of Pediatric Surgery, Guangzhou Institute of Pediatrics, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, 9 Jinsui Road, Guangzhou, 510623 Guangdong China
| | - Tu-Qun Hu
- Department of Pediatric Surgery, Guangzhou Institute of Pediatrics, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, 9 Jinsui Road, Guangzhou, 510623 Guangdong China
| | - Wei Zhong
- Department of Pediatric Surgery, Guangzhou Institute of Pediatrics, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, 9 Jinsui Road, Guangzhou, 510623 Guangdong China
| | - Qiu-Ming He
- Department of Pediatric Surgery, Guangzhou Institute of Pediatrics, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, 9 Jinsui Road, Guangzhou, 510623 Guangdong China
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17
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Pusic KM, Won L, Kraig RP, Pusic AD. Environmental Enrichment and Its Benefits for Migraine: Dendritic Cell Extracellular Vesicles as an Effective Mimetic. JOURNAL OF CELLULAR IMMUNOLOGY 2021; 3:215-225. [PMID: 34337600 PMCID: PMC8321388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Environmental enrichment produces beneficial effects in the brain at genetic, molecular, cellular and behavior levels, and has long been studied as a therapeutic intervention for a wide variety of neurological disorders. However, the complexity of applying a robust environmental enrichment paradigm makes clinical use difficult. Accordingly, there has been increased interest in developing environmental enrichment mimetics, also known as enviromimetics. Here we review the benefits of environmental enrichment for migraine treatment, and discuss the potential of using extracellular vesicles derived from interferon gamma-stimulated dendritic cells as an effective mimetic.
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Affiliation(s)
- Kae Myriam Pusic
- Department of Neurology, The University of Chicago, Chicago, Il 60637-1470, USA
| | - Lisa Won
- Department of Neurology, The University of Chicago, Chicago, Il 60637-1470, USA
| | - Richard Paul Kraig
- Department of Neurology, The University of Chicago, Chicago, Il 60637-1470, USA
| | - Aya Darinka Pusic
- Department of Neurology, The University of Chicago, Chicago, Il 60637-1470, USA
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18
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Vaes JEG, Brandt MJV, Wanders N, Benders MJNL, de Theije CGM, Gressens P, Nijboer CH. The impact of trophic and immunomodulatory factors on oligodendrocyte maturation: Potential treatments for encephalopathy of prematurity. Glia 2020; 69:1311-1340. [PMID: 33595855 PMCID: PMC8246971 DOI: 10.1002/glia.23939] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Revised: 11/11/2020] [Accepted: 11/12/2020] [Indexed: 12/11/2022]
Abstract
Encephalopathy of prematurity (EoP) is a major cause of morbidity in preterm neonates, causing neurodevelopmental adversities that can lead to lifelong impairments. Preterm birth-related insults, such as cerebral oxygen fluctuations and perinatal inflammation, are believed to negatively impact brain development, leading to a range of brain abnormalities. Diffuse white matter injury is a major hallmark of EoP and characterized by widespread hypomyelination, the result of disturbances in oligodendrocyte lineage development. At present, there are no treatment options available, despite the enormous burden of EoP on patients, their families, and society. Over the years, research in the field of neonatal brain injury and other white matter pathologies has led to the identification of several promising trophic factors and cytokines that contribute to the survival and maturation of oligodendrocytes, and/or dampening neuroinflammation. In this review, we discuss the current literature on selected factors and their therapeutic potential to combat EoP, covering a wide range of in vitro, preclinical and clinical studies. Furthermore, we offer a future perspective on the translatability of these factors into clinical practice.
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Affiliation(s)
- Josine E G Vaes
- Department for Developmental Origins of Disease, University Medical Center Utrecht Brain Center and Wilhelmina Children's Hospital, Utrecht University, Utrecht, The Netherlands.,Department of Neonatology, University Medical Center Utrecht Brain Center and Wilhelmina Children's Hospital, Utrecht University, Utrecht, The Netherlands
| | - Myrna J V Brandt
- Department for Developmental Origins of Disease, University Medical Center Utrecht Brain Center and Wilhelmina Children's Hospital, Utrecht University, Utrecht, The Netherlands
| | - Nikki Wanders
- Department for Developmental Origins of Disease, University Medical Center Utrecht Brain Center and Wilhelmina Children's Hospital, Utrecht University, Utrecht, The Netherlands
| | - Manon J N L Benders
- Department of Neonatology, University Medical Center Utrecht Brain Center and Wilhelmina Children's Hospital, Utrecht University, Utrecht, The Netherlands
| | - Caroline G M de Theije
- Department for Developmental Origins of Disease, University Medical Center Utrecht Brain Center and Wilhelmina Children's Hospital, Utrecht University, Utrecht, The Netherlands
| | | | - Cora H Nijboer
- Department for Developmental Origins of Disease, University Medical Center Utrecht Brain Center and Wilhelmina Children's Hospital, Utrecht University, Utrecht, The Netherlands
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19
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Eslami A, Dehbashi M, Ashja-Arvan M, Salehi H, Azimzadeh M, Ganjalikhani-Hakemi M. Assessment of ability of human adipose derived stem cells for long term overexpression of IL-11 and IL-13 as therapeutic cytokines. Cytotechnology 2020; 72:773-784. [PMID: 32935166 PMCID: PMC7547926 DOI: 10.1007/s10616-020-00421-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Accepted: 09/02/2020] [Indexed: 02/05/2023] Open
Abstract
Adipose-derived stem cells (ADSCs) are a type of mesenchymal stem cells with the therapeutic effects that make them one of the best sources for cell therapy. In this study, we aimed to assess the ability of human ADSCs for constant expression of IL-11 and IL-13, simultaneously. In this study, the characterized hADSCs were transduced with a lentiviral vector (PCDH-513B) containing IL-11 and IL-13 genes, and the ability of long-term expression of the transgenes was evaluated by ELISA technique on days 15, 45 and 75 after transduction. Our results indicated a high rate of transduction (more than 90%) in the isolated hADSCs. Our data showed the highest rate of expression on days 75 after transduction which was 242.67 pg/ml for IL-11 and 303.6 pg/ml for IL-13 compared with 35.2 pg/ml and 35.6 pg/ml in untreated cells, respectively (p = 0.001). Besides, MTT assay showed transduction of hADSCs with lentiviral viruses containing IL-11 and IL-13 had no adverse effect on hADSCs proliferation (p-value = 0.89). Finally, we successfully constructed a hADSC population stably overexpressing IL-11 as the neurotrophic cytokine and IL-13 as the anti-inflammatory cytokine and this transduced cells can be used for further studies in EAE mice model.
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Affiliation(s)
- Asma Eslami
- Department of Immunology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Moein Dehbashi
- Division of Genetics, Department of Cell and Molecular Biology, Faculty of Biological Sciences and Technologies, University of Isfahan, 81746-73441 Isfahan, Iran
| | - Mehnoosh Ashja-Arvan
- Department of Immunology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Hossein Salehi
- Department of Anatomical Sciences, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Maryam Azimzadeh
- Department of Anatomical Sciences, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
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20
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D’Amico R, Impellizzeri D, Cuzzocrea S, Di Paola R. ALIAmides Update: Palmitoylethanolamide and Its Formulations on Management of Peripheral Neuropathic Pain. Int J Mol Sci 2020; 21:ijms21155330. [PMID: 32727084 PMCID: PMC7432736 DOI: 10.3390/ijms21155330] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 07/23/2020] [Accepted: 07/24/2020] [Indexed: 02/06/2023] Open
Abstract
Neuropathic pain results from lesions or diseases of the somatosensory nervous system and it remains largely difficult to treat. Peripheral neuropathic pain originates from injury to the peripheral nervous system (PNS) and manifests as a series of symptoms and complications, including allodynia and hyperalgesia. The aim of this review is to discuss a novel approach on neuropathic pain management, which is based on the knowledge of processes that underlie the development of peripheral neuropathic pain; in particular highlights the role of glia and mast cells in pain and neuroinflammation. ALIAmides (autacoid local injury antagonist amides) represent a group of endogenous bioactive lipids, including palmitoylethanolamide (PEA), which play a central role in numerous biological processes, including pain, inflammation, and lipid metabolism. These compounds are emerging thanks to their anti-inflammatory and anti-hyperalgesic effects, due to the down-regulation of activation of mast cells. Collectively, preclinical and clinical studies support the idea that ALIAmides merit further consideration as therapeutic approach for controlling inflammatory responses, pain, and related peripheral neuropathic pain.
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Affiliation(s)
- Ramona D’Amico
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno D’Alcontres 31, 98166 Messina, Italy; (R.D.); (D.I.); (R.D.P.)
| | - Daniela Impellizzeri
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno D’Alcontres 31, 98166 Messina, Italy; (R.D.); (D.I.); (R.D.P.)
| | - Salvatore Cuzzocrea
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno D’Alcontres 31, 98166 Messina, Italy; (R.D.); (D.I.); (R.D.P.)
- Department of Pharmacological and Physiological Science, Saint Louis University School of Medicine, 1402 South Grand Blvd, St Louis, MO 63104, USA
- Correspondence: ; Tel.: +39-90-6765208
| | - Rosanna Di Paola
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno D’Alcontres 31, 98166 Messina, Italy; (R.D.); (D.I.); (R.D.P.)
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21
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Azimzadeh M, Mahmoodi M, Kazemi M, Hakemi MG, Jafarinia M, Eslami A, Salehi H, Amirpour N. The immunoregulatory and neuroprotective effects of human adipose derived stem cells overexpressing IL-11 and IL-13 in the experimental autoimmune encephalomyelitis mice. Int Immunopharmacol 2020; 87:106808. [PMID: 32693359 DOI: 10.1016/j.intimp.2020.106808] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 06/29/2020] [Accepted: 07/11/2020] [Indexed: 02/05/2023]
Abstract
Multiple sclerosis (MS) is an inflammatory demyelination disease in the central nervous system (CNS) characterized by incomplete endogenous remyelination in the chronic phase. A shift of the balance between pro and anti-inflammatory cytokines is one of the important markers in the pathogenesis of MS. This study aimed to evaluate the effects of human adipose derived stem cells (hADSCs) overexpressing interleukin 11 and interleukin 13 (IL-11, 13-hADSCs) on the experimental autoimmune encephalomyelitis (EAE), an animal model of MS.12 days after immunization of C57Bl/6 female mice with MOG35-55 and initial clinical symptoms appearance, the IL-11, 13-hADSCs were injected via the tail vein into the EAE mice. Then, the mice were sacrificed at 30 days post-immunization (DPI) and the spinal cords of experimental groups were extracted for histopathological and real-time RT-PCR studies.The results indicated that the clinical scores and mononuclear cells infiltration into the spinal cords of EAE mice were significantly reduced in mice treated with IL-11, 13-hADSCs. Likewise, the remyelination and oligodendrogenesis were significantly enhanced in the mentioned treatment group. Real-time results demonstrated that pro/anti-inflammatory cytokine genes expression was reversed in IL-11, 13-hADSCs treatment group in comparison to the untreated EAE group.Expression of IL-11 as a neurotrophic cytokine and IL-13 as an anti-inflammatory cytokine by hADSCs could increase the immunomodulatory and neuroprotective effects of hADSCs and be a powerful candidate in stem cell therapy for future treatment of MS.
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Affiliation(s)
- Maryam Azimzadeh
- Department of Anatomical Science, School Of Medicine, Isfahan University of Medical Science, Isfahan, Iran
| | - Merat Mahmoodi
- Department of Immunology, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Mohammad Kazemi
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | | | - Morteza Jafarinia
- Department of Immunology, School of Medicine, Isfahan University of Medical Science, Isfahan, Iran
| | - Asma Eslami
- Department of Immunology, School of Medicine, Isfahan University of Medical Science, Isfahan, Iran
| | - Hossein Salehi
- Department of Anatomical Science, School Of Medicine, Isfahan University of Medical Science, Isfahan, Iran.
| | - Noushin Amirpour
- Department of Anatomical Science, School Of Medicine, Isfahan University of Medical Science, Isfahan, Iran.
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22
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Pagani F, Testi C, Grimaldi A, Corsi G, Cortese B, Basilico B, Baiocco P, De Panfilis S, Ragozzino D, Di Angelantonio S. Dimethyl Fumarate Reduces Microglia Functional Response to Tissue Damage and Favors Brain Iron Homeostasis. Neuroscience 2020; 439:241-254. [DOI: 10.1016/j.neuroscience.2019.10.041] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 10/08/2019] [Accepted: 10/23/2019] [Indexed: 01/20/2023]
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Cordaro M, Cuzzocrea S, Crupi R. An Update of Palmitoylethanolamide and Luteolin Effects in Preclinical and Clinical Studies of Neuroinflammatory Events. Antioxidants (Basel) 2020; 9:antiox9030216. [PMID: 32150935 PMCID: PMC7139331 DOI: 10.3390/antiox9030216] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Revised: 02/25/2020] [Accepted: 02/26/2020] [Indexed: 02/06/2023] Open
Abstract
The inflammation process represents of a dynamic series of phenomena that manifest themselves with an intense vascular reaction. Neuroinflammation is a reply from the central nervous system (CNS) and the peripheral nervous system (PNS) to a changed homeostasis. There are two cell systems that mediate this process: the glia of the CNS and the lymphocites, monocytes, and macrophages of the hematopoietic system. In both the peripheral and central nervous systems, neuroinflammation plays an important role in the pathogenesis of neurodegenerative diseases, such as Parkinson’s and Alzheimer’s diseases, and in neuropsychiatric illnesses, such as depression and autism spectrum disorders. The resolution of neuroinflammation is a process that allows for inflamed tissues to return to homeostasis. In this process the important players are represented by lipid mediators. Among the naturally occurring lipid signaling molecules, a prominent role is played by the N-acylethanolamines, namely N-arachidonoylethanolamine and its congener N-palmitoylethanolamine, which is also named palmitoylethanolamide or PEA. PEA possesses a powerful neuroprotective and anti-inflammatory power but has no antioxidant effects per se. For this reason, its co-ultramicronization with the flavonoid luteolin is more efficacious than either molecule alone. Inhibiting or modulating the enzymatic breakdown of PEA represents a complementary therapeutic approach to treating neuroinflammation. The aim of this review is to discuss the role of ultramicronized PEA and co-ultramicronized PEA with luteolin in several neurological diseases using preclinical and clinical approaches.
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Affiliation(s)
- Marika Cordaro
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Via Consolare Valeria 1, 98100 Messina, Italy;
| | - Salvatore Cuzzocrea
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Via F. Stagno D’Alcontres 31, 98166 Messina, Italy;
- Department of Pharmacology and Physiology, Saint Louis University, St. Louis, MO 63103, USA
- Correspondence: ; Tel.: +390-906-765-208
| | - Rosalia Crupi
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Via F. Stagno D’Alcontres 31, 98166 Messina, Italy;
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Ye L, Shi H, Wu S, Yu C, Wang B, Zheng L. Dysregulated interleukin 11 in primary Sjögren's syndrome contributes to apoptosis of glandular epithelial cells. Cell Biol Int 2020; 44:327-335. [PMID: 31502734 DOI: 10.1002/cbin.11236] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Accepted: 09/08/2019] [Indexed: 01/24/2023]
Abstract
The purpose of this study was to explore the potential function of interleukin-11 (IL-11) in the pathogenesis of primary Sjögren's syndrome (pSS) patients. Real-time polymerase chain reaction was performed to examine IL-11 expression in the labial glands of 30 pSS patients and 30 healthy controls. Immunohistochemistry was conducted to assess the distribution of IL-ll-positive cells in labial glands. The human salivary gland (HSG) cell line was used to study the effects of IL-11 on gland epithelial cells in vitro. Cell viability and cell proliferation were examined by CCK-8 kit and EdU assay, respectively. The population of apoptotic cells was detected in flow cytometry followed by Annexin V/PI and Hoechst staining. We found that the expression levels of IL-11 were remarkably decreased in pSS labial glands and were positively correlated with C-reactive protein levels and negatively correlated with rheumatoid factor levels. Fewer numbers of glandular epithelial cells were observed to be positively stained with IL-11 antibody in labial glands from pSS patients than those in healthy control patients. After IL-11 treatment, the viability and proliferation of HSG cells were significantly higher than those in the control group. The total apoptotic and necrotic rates of HSG cells in the group after IL-11 treatment were significantly lower. In conclusion, the results indicated that IL-11 promoted viability and proliferation and inhibited apoptotic and necrotic rates of glandular epithelial cells. In pSS, downregulated IL-11 might contribute to the apoptosis of salivary gland epithelial cells. However, it might be a potential target to alleviate the pathological atrophy of glandular epithelial cells in pSS patients.
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Affiliation(s)
- Lei Ye
- Department of Oral Surgery, Shanghai 9th Peoples Hospital Affiliated to Shanghai Jiaotong University School of Medicine Shanghai, Zhizaoju Road 639, Shanghai, 200011, China
- National Clinical Research Center for Oral Diseases, Zhizaoju Road 639, Shanghai, 200011, China
- Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Zhizaoju Road 639, Shanghai, 200011, China
| | - Huan Shi
- Department of Oral Surgery, Shanghai 9th Peoples Hospital Affiliated to Shanghai Jiaotong University School of Medicine Shanghai, Zhizaoju Road 639, Shanghai, 200011, China
- National Clinical Research Center for Oral Diseases, Zhizaoju Road 639, Shanghai, 200011, China
- Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Zhizaoju Road 639, Shanghai, 200011, China
| | - Shufeng Wu
- Department of Oral Surgery, Shanghai 9th Peoples Hospital Affiliated to Shanghai Jiaotong University School of Medicine Shanghai, Zhizaoju Road 639, Shanghai, 200011, China
- National Clinical Research Center for Oral Diseases, Zhizaoju Road 639, Shanghai, 200011, China
- Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Zhizaoju Road 639, Shanghai, 200011, China
| | - Chuangqi Yu
- Department of Oral Surgery, Shanghai 9th Peoples Hospital Affiliated to Shanghai Jiaotong University School of Medicine Shanghai, Zhizaoju Road 639, Shanghai, 200011, China
- National Clinical Research Center for Oral Diseases, Zhizaoju Road 639, Shanghai, 200011, China
- Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Zhizaoju Road 639, Shanghai, 200011, China
| | - Baoli Wang
- Department of Oral Surgery, Shanghai 9th Peoples Hospital Affiliated to Shanghai Jiaotong University School of Medicine Shanghai, Zhizaoju Road 639, Shanghai, 200011, China
- National Clinical Research Center for Oral Diseases, Zhizaoju Road 639, Shanghai, 200011, China
- Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Zhizaoju Road 639, Shanghai, 200011, China
| | - Lingyan Zheng
- Department of Oral Surgery, Shanghai 9th Peoples Hospital Affiliated to Shanghai Jiaotong University School of Medicine Shanghai, Zhizaoju Road 639, Shanghai, 200011, China
- National Clinical Research Center for Oral Diseases, Zhizaoju Road 639, Shanghai, 200011, China
- Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Zhizaoju Road 639, Shanghai, 200011, China
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Thümmler K, Rom E, Zeis T, Lindner M, Brunner S, Cole JJ, Arseni D, Mücklisch S, Edgar JM, Schaeren-Wiemers N, Yayon A, Linington C. Polarizing receptor activation dissociates fibroblast growth factor 2 mediated inhibition of myelination from its neuroprotective potential. Acta Neuropathol Commun 2019; 7:212. [PMID: 31856924 PMCID: PMC6923900 DOI: 10.1186/s40478-019-0864-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Accepted: 12/03/2019] [Indexed: 02/07/2023] Open
Abstract
Fibroblast growth factor (FGF) signaling contributes to failure of remyelination in multiple sclerosis, but targeting this therapeutically is complicated by its functional pleiotropy. We now identify FGF2 as a factor up-regulated by astrocytes in active inflammatory lesions that disrupts myelination via FGF receptor 2 (FGFR2) mediated activation of Wingless (Wnt) signaling; pharmacological inhibition of Wnt being sufficient to abrogate inhibition of myelination by FGF2 in tissue culture. Using a novel FGFR1-selective agonist (F2 V2) generated by deleting the N-terminal 26 amino acids of FGF2 we demonstrate polarizing signal transduction to favor FGFR1 abrogates FGF mediated inhibition of myelination but retains its ability to induce expression of pro-myelinating and immunomodulatory factors that include Cd93, Lif, Il11, Hbegf, Cxcl1 and Timp1. Our data provide new insights into the mechanistic basis of remyelination failure in MS and identify selective activation of FGFR1 as a novel strategy to induce a neuroprotective signaling environment in multiple sclerosis and other neurological diseases.
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Kamermans A, Verhoeven T, van Het Hof B, Koning JJ, Borghuis L, Witte M, van Horssen J, de Vries HE, Rijnsburger M. Setmelanotide, a Novel, Selective Melanocortin Receptor-4 Agonist Exerts Anti-inflammatory Actions in Astrocytes and Promotes an Anti-inflammatory Macrophage Phenotype. Front Immunol 2019; 10:2312. [PMID: 31636637 PMCID: PMC6788433 DOI: 10.3389/fimmu.2019.02312] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Accepted: 09/12/2019] [Indexed: 11/13/2022] Open
Abstract
To date, available treatment strategies for multiple sclerosis (MS) are ineffective in preventing or reversing progressive neurologic deterioration, creating a high, and unmet medical need. One potential way to fight MS may be by limiting the detrimental effects of reactive astrocytes, a key pathological hallmark for disease progression. One class of compounds that may exert beneficial effects via astrocytes are melanocortin receptor (MCR) agonists. Among the MCR, MC4R is most abundantly expressed in the CNS and several rodent studies have described that MC4R is—besides neurons—expressed by astrocytes. Activation of MC4R in astrocytes has shown to have potent anti-inflammatory as well as neuroprotective effects in vitro, suggesting that this could be a potential target to ameliorate ongoing inflammation, and neurodegeneration in MS. In this study, we set out to investigate human MC4R expression and analyze its downstream effects. We identified MC4R mRNA and protein to be expressed on astrocytes and observed increased astrocytic MC4R expression in active MS lesions. Furthermore, we show that the novel, highly selective MC4R agonist setmelanotide ameliorates the reactive phenotype in astrocytes in vitro and markedly induced interleukin−6 and −11 production, possibly through enhanced cAMP response element-binding protein (CREB) phosphorylation. Notably, stimulation of human macrophages with medium from astrocytes that were exposed to setmelanotide, skewed macrophages toward an anti-inflammatory phenotype. Taken together, these findings suggest that targeting MC4R on astrocytes might be a novel therapeutic strategy to halt inflammation-associated neurodegeneration in MS.
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Affiliation(s)
- Alwin Kamermans
- Department of Molecular Cell Biology and Immunology, MS Center Amsterdam, Amsterdam Neuroscience, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Tom Verhoeven
- Department of Molecular Cell Biology and Immunology, MS Center Amsterdam, Amsterdam Neuroscience, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Bert van Het Hof
- Department of Molecular Cell Biology and Immunology, MS Center Amsterdam, Amsterdam Neuroscience, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Jasper J Koning
- Department of Molecular Cell Biology and Immunology, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Lauri Borghuis
- Department of Molecular Cell Biology and Immunology, MS Center Amsterdam, Amsterdam Neuroscience, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Maarten Witte
- Department of Molecular Cell Biology and Immunology, MS Center Amsterdam, Amsterdam Neuroscience, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Jack van Horssen
- Department of Molecular Cell Biology and Immunology, MS Center Amsterdam, Amsterdam Neuroscience, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Helga E de Vries
- Department of Molecular Cell Biology and Immunology, MS Center Amsterdam, Amsterdam Neuroscience, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Merel Rijnsburger
- Department of Molecular Cell Biology and Immunology, MS Center Amsterdam, Amsterdam Neuroscience, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
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Krupa P, Svobodova B, Dubisova J, Kubinova S, Jendelova P, Machova Urdzikova L. Nano-formulated curcumin (Lipodisq™) modulates the local inflammatory response, reduces glial scar and preserves the white matter after spinal cord injury in rats. Neuropharmacology 2019; 155:54-64. [DOI: 10.1016/j.neuropharm.2019.05.018] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Revised: 05/03/2019] [Accepted: 05/15/2019] [Indexed: 12/24/2022]
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Astrocytes in multiple sclerosis and experimental autoimmune encephalomyelitis: Star-shaped cells illuminating the darkness of CNS autoimmunity. Brain Behav Immun 2019; 80:10-24. [PMID: 31125711 DOI: 10.1016/j.bbi.2019.05.029] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 05/16/2019] [Accepted: 05/20/2019] [Indexed: 12/18/2022] Open
Abstract
Neuropathology in the human autoimmune disease multiple sclerosis (MS) is considered to be mediated by autoreactive leukocytes, such as T cells, B cells, and macrophages. However, the inflammation and tissue damage in MS and its animal model experimental autoimmune encephalomyelitis (EAE) is also critically regulated by astrocytes, the most abundant cell population in the central nervous system (CNS). Under physiological conditions, astrocytes are integral to the development and function of the CNS, whereas in CNS autoimmunity, astrocytes influence the pathogenesis, progression, and recovery of the diseases. In this review, we summarize recent advances in astrocytic functions in the context of MS and EAE, which are categorized into two opposite aspects, one being detrimental and the other beneficial. Inhibition of the detrimental functions and/or enhancement of the beneficial functions of astrocytes might be favorable for the treatment of MS.
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Zhang X, Kiapour N, Kapoor S, Khan T, Thamilarasan M, Tao Y, Cohen S, Miller R, Sobel RA, Markovic-Plese S. IL-11 Induces Encephalitogenic Th17 Cells in Multiple Sclerosis and Experimental Autoimmune Encephalomyelitis. THE JOURNAL OF IMMUNOLOGY 2019; 203:1142-1150. [PMID: 31341075 DOI: 10.4049/jimmunol.1900311] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Accepted: 07/01/2019] [Indexed: 01/04/2023]
Abstract
IL-11+CD4+ cells accumulate in the cerebrospinal fluid of patients with early relapsing-remitting multiple sclerosis (MS) and in active brain MS lesions. Mouse studies have confirmed a causal role of IL-11 in the exacerbation of relapsing-remitting experimental autoimmune encephalomyelitis (RREAE). Administration of IL-11 at the time of clinical onset of RREAE induced an acute exacerbation and increased clinical scores, which persisted during the entire course of the disease. IL-11 increased the numbers of spinal cord inflammatory foci, as well as the numbers of peripheral and CNS-infiltrating IL-17+CD4+ cells and IL-17A serum levels. Ag recall assays revealed that IL-11 induces IL-17A+, GM-CSF+, and IL-21+CD4+ myelin Ag-reactive cells. Passive transfer of these encephalitogenic CD4+ T cells induced severe RREAE with IL-17A+CCR6+ CD4+ and B cell accumulation within the CNS. Furthermore, passive transfer of nonmanipulated CNS-derived mononuclear cells from mice with RREAE after a single dose of IL-11 induced severe RREAE with increased accumulation of IL-17A+ and CCR6+ CD4+ cells within the CNS. These results suggest that IL-11 might serve as a biomarker of early autoimmune response and a selective therapeutic target for patients with early relapsing-remitting MS.
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Affiliation(s)
- Xin Zhang
- Department of Neurology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599
| | - Nazanin Kiapour
- Department of Neurology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599
| | - Sahil Kapoor
- Department of Neurology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599
| | - Tabish Khan
- Department of Neurology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599
| | - Madhan Thamilarasan
- Department of Neurology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599
| | - Yazhong Tao
- Department of Neurology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599
| | - Stephanie Cohen
- Lineberger Cancer Institute, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599
| | - Ryan Miller
- Department of Pathology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599
| | - Raymond A Sobel
- Department of Pathology, Stanford University, Palo Alto, CA 94394
| | - Silva Markovic-Plese
- Department of Neurology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599; .,Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599; and.,Department of Neurology, Thomas Jefferson University, Philadelphia, PA 19107
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Murakami M, Kamimura D, Hirano T. Pleiotropy and Specificity: Insights from the Interleukin 6 Family of Cytokines. Immunity 2019; 50:812-831. [DOI: 10.1016/j.immuni.2019.03.027] [Citation(s) in RCA: 231] [Impact Index Per Article: 46.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Revised: 03/25/2019] [Accepted: 03/26/2019] [Indexed: 02/08/2023]
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Ebrahimi Monfared M, Shapoori S, Mosayebi G, Khansarinejad B, Ghazavi A, Rezagholizamenjany M, Ganji A. Assessment of CCL27 and IL-11 in Multiple Sclerosis Patients Treated with Interferon-β and Glatiramer Acetate. Neuroimmunomodulation 2019; 26:301-306. [PMID: 31935737 DOI: 10.1159/000505098] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Accepted: 11/25/2019] [Indexed: 11/19/2022] Open
Abstract
INTRODUCTION Multiple sclerosis (MS) is a neuroinflammatory autoimmune disease which involves the central nervous -system. Although the primary cause of MS is obscure, effects of some cytokine and chemokine patterns in both innate and adaptive immune systems have been described. -Objectives: Since limited studies have examined the role of interleukin (IL)-11 and chemokine CCL27 in MS, we aimed to identify changes in IL-11 and CCL27 gene expression and serum levels in relapsing-remitting MS (RRMS) patients, treated with interferon (IFN)-β and glatiramer acetate (GA). METHODS The serum level and gene expression of IL-11 and CCL27 were measured and compared between treatment-naïve MS patients and RRMS patients who were treated with high-dose IFN-β1a, low-dose IFN-β1a, IFN-β1b, and GA via enzyme-linked immunosorbent assay (ELISA) and quantitative real-time polymerase chain reaction. RESULTS A significant decrease was observed in the serum level of CCL27 in treatment-naïve patients and IFN-β1b-treated patients compared to the healthy controls. On the other hand, a significant increase was found in the protein level of CCL27 in low-dose and high-dose IFN-β1a groups compared to the treatment-naïve group. In addition, CCL27 gene expression was higher in patients treated with GA than in the treatment-naïve group. There were no significant changes in the gene expression or protein level of IL-11 in all experimental groups. Additionally, a positive correlation was found between IL-11 and CCL-27. CONCLUSION Our results suggest the inflammatory role of CCL27 in MS patients, while IFN-β1a seems to play a compensatory role for this chemokine.
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Affiliation(s)
| | - Shima Shapoori
- Department of Microbiology and Immunology, School of Medicine, Arak University of Medical Sciences, Arak, Iran
| | - Ghasem Mosayebi
- Department of Microbiology and Immunology, School of Medicine, Arak University of Medical Sciences, Arak, Iran
- Molecular and Medicine Research Center, Arak University of Medical Sciences, Arak, Iran
| | - Behzad Khansarinejad
- Department of Microbiology and Immunology, School of Medicine, Arak University of Medical Sciences, Arak, Iran
- Molecular and Medicine Research Center, Arak University of Medical Sciences, Arak, Iran
| | - Ali Ghazavi
- Department of Microbiology and Immunology, School of Medicine, Arak University of Medical Sciences, Arak, Iran
- Traditional and Complementary Medicine Research Center (TCMRC), Arak University of Medical Sciences, Arak, Iran
| | | | - Ali Ganji
- Department of Microbiology and Immunology, School of Medicine, Arak University of Medical Sciences, Arak, Iran,
- Molecular and Medicine Research Center, Arak University of Medical Sciences, Arak, Iran,
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Human Remyelination Promoting Antibody Stimulates Astrocytes Proliferation Through Modulation of the Sphingolipid Rheostat in Primary Rat Mixed Glial Cultures. Neurochem Res 2018; 44:1460-1474. [PMID: 30569280 DOI: 10.1007/s11064-018-2701-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2018] [Revised: 11/22/2018] [Accepted: 12/12/2018] [Indexed: 01/17/2023]
Abstract
Remyelination promoting human IgMs effectively increase the number of myelinated axons in animal models of multiple sclerosis. Hence, they ultimately stimulate myelin production by oligodendrocytes (OLs); however, their exact mechanism of action remains to be elucidated, and in particular, it remains unclear whether they are directly targeting OLs, or their action is mediated by effects on other cell types. We assessed the effect of remyelination promoting antibody rHIgM22 on the proliferative response and on the ceramide/sphingosine 1-phosphate rheostat in mixed glial cell cultures (MGCs). rHIgM22 treatment caused a time-dependent increase in PDGFαR protein in MGCs. Forty-eight hours of treatment with rHIgM22 induced a dose-dependent proliferative response (evaluated as total cell number and as EdU(+) cell number) in MGCs. When the proliferation response of MGCs to rHIgM22 was analyzed as a function of the cell types, the most significant proliferative response was associated with GLAST(+) cells, i.e., astrocytes. In many cell types, the balance between different sphingolipid mediators (the "sphingolipid rheostat"), in particular ceramide and sphingosine 1-phosphate, is critical in determining the cell fate. rHIgM22 treatment in MGCs induced a moderate but significant inhibition of total acidic sphingomyelinase activity (measured in vitro on cell lysates), the main enzyme responsible for the stimulus-mediated production of ceramide, when treatment was performed in serum containing medium, but no significant differences were observed when antibody treatment was performed in the absence of serum. Moreover, rHIgM22 treatment, either in the presence or in absence of serum, had no effects on ceramide levels. On the other hand, rHIgM22 treatment for 24 h induced increased production and release of sphingosine 1-phosphate in the extracellular milieu of MGC. Release of sphingosine 1-phosphate upon rHIgM22 treatment was strongly reduced by a selective inhibitor of PDGFαR. Increased sphingosine 1-phosphate production does not seem to be mediated by regulation of the biosynthetic enzymes, sphingosine kinase 1 and 2, since protein levels of these enzymes and phosphorylation of sphingosine kinase 1 were unchanged upon rHIgM22 treatment. Instead, we observed a significant reduction in the levels of sphingosine 1-phosphate lyase 1, one of the key catabolic enzymes. Remarkably, rHIgM22 treatment under the same experimental conditions did not induce changes in the production and/or release of sphingosine 1-phosphate in pure astrocyte cultures. Taken together, these data suggest that rHIgM22 indirectly influences the proliferation of astrocytes in MGCs, by affecting the ceramide/sphingosine 1-phosphate balance. The specific cell population directly targeted by rHIgM22 remains to be identified, however our study unveils another aspect of the complexity of rHIgM22-induced remyelinating effect.
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Mondal S, Jana M, Dasarathi S, Roy A, Pahan K. Aspirin ameliorates experimental autoimmune encephalomyelitis through interleukin-11-mediated protection of regulatory T cells. Sci Signal 2018; 11:11/558/eaar8278. [PMID: 30482850 DOI: 10.1126/scisignal.aar8278] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Multiple sclerosis (MS) is a human disease that results from autoimmune T cells targeting myelin protein that is expressed within the central nervous system. In MS, the number of FoxP3-expressing regulatory T cells (Tregs) is reduced, which facilitates the activation of autoreactive T cells. Because aspirin (acetylsalicylic acid) is the most widely used nonsteroidal anti-inflammatory drug, we examined its immunomodulatory effect in mice with experimental autoimmune encephalomyelitis (EAE), an animal model of MS. We found that low-dose aspirin suppressed the clinical symptoms of EAE in mouse models of both relapsing-remitting and chronic disease. Aspirin reduced the development of EAE driven by myelin basic protein (MBP)-specific T cells and the associated perivascular cuffing, inflammation, and demyelination. The effects of aspirin required the presence of CD25+FoxP3+ Tregs Aspirin increased the amounts of Foxp3 and interleukin-4 (IL-4) in T cells and suppressed the differentiation of naïve T cells into T helper 17 (TH17) and TH1 cells. Aspirin also increased the transcription of Il11 mediated by the transcription factor CREB, which was necessary for the generation of Tregs Neutralization of IL-11 negated the effects of aspirin on Treg development and exacerbated EAE. Furthermore, we found that IL-11 alone was sufficient to maintain the percentage of FoxP3+ Tregs and protect mice from EAE. These results identify a previously uncharacterized mode of action of aspirin.
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Affiliation(s)
- Susanta Mondal
- Division of Research and Development, Jesse Brown Veterans Affairs Medical Center, Chicago, IL 60612, USA
| | - Malabendu Jana
- Division of Research and Development, Jesse Brown Veterans Affairs Medical Center, Chicago, IL 60612, USA
| | - Sridevi Dasarathi
- Division of Research and Development, Jesse Brown Veterans Affairs Medical Center, Chicago, IL 60612, USA
| | - Avik Roy
- Division of Research and Development, Jesse Brown Veterans Affairs Medical Center, Chicago, IL 60612, USA
| | - Kalipada Pahan
- Division of Research and Development, Jesse Brown Veterans Affairs Medical Center, Chicago, IL 60612, USA. .,Department of Neurological Sciences, Rush University Medical Center, Chicago, IL 60612, USA
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Guidolin D, Fede C, Tortorella C. Nerve cells developmental processes and the dynamic role of cytokine signaling. Int J Dev Neurosci 2018; 77:3-17. [PMID: 30465872 DOI: 10.1016/j.ijdevneu.2018.11.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Revised: 11/13/2018] [Accepted: 11/14/2018] [Indexed: 12/14/2022] Open
Abstract
The stunning diversity of neurons and glial cells makes possible the higher functions of the central nervous system (CNS), allowing the organism to sense, interpret and respond appropriately to the external environment. This cellular diversity derives from a single primary progenitor cell type initiating lineage leading to the formation of both differentiated neurons and glial cells. The processes governing the differentiation of the progenitor pool of cells into mature nerve cells will be here briefly reviewed. They involve morphological transformations, specialized modes of cell division, migration, and controlled cell death, and are regulated through cell-cell interactions and cues provided by the extracellular matrix, as well as by humoral factors from the cerebrospinal fluid and the blood system. In this respect, a quite large body of studies have been focused on cytokines, proteins representing the main signaling network that coordinates immune defense and the maintenance of homeostasis. At the same time, they are deeply involved in CNS development as regulatory factors. This dual role in the nervous system appears of particular relevance for CNS pathology, since cytokine dysregulation (occurring as a consequence of maternal infection, exposure to environmental factors or prenatal hypoxia) can profoundly impact on neurodevelopment and likely influence the response of the adult tissue during neuroinflammatory events.
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Affiliation(s)
- Diego Guidolin
- Department of Neuroscience, University of Padova, via Gabelli 65, I-35121, Padova, Italy
| | - Caterina Fede
- Department of Neuroscience, University of Padova, via Gabelli 65, I-35121, Padova, Italy
| | - Cinzia Tortorella
- Department of Neuroscience, University of Padova, via Gabelli 65, I-35121, Padova, Italy
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GT-repeat extension in the IL11 promoter is associated with Hirschsprung's disease (HSCR). Gene 2018; 677:163-168. [DOI: 10.1016/j.gene.2018.07.054] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Revised: 06/18/2018] [Accepted: 07/19/2018] [Indexed: 11/20/2022]
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IL-11 antagonist suppresses Th17 cell-mediated neuroinflammation and demyelination in a mouse model of relapsing-remitting multiple sclerosis. Clin Immunol 2018; 197:45-53. [PMID: 30149119 DOI: 10.1016/j.clim.2018.08.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Revised: 07/12/2018] [Accepted: 08/15/2018] [Indexed: 12/19/2022]
Abstract
IL-11 induced differentiation and expansion of Th17 cells in patients with early relapsing-remitting multiple sclerosis (RRMS). In mice with relapsing-remitting experimental autoimmune encephalomyelitis (RREAE), IL-11 exacerbated disease, induced demyelination in the central nervous system (CNS), increased the percentage of IL-17A+CD4+ Th17 cells in the CNS in the early acute phase, and up-regulated serum IL-17A levels and the percentage of IL-17A+CD4+ Th17 cells in lymph nodes, and IFN-γ+CD4+ T cells in spinal cord in the RR phase. IL-11 antagonist suppressed RREAE disease activities, inhibited IL-17A+CD4+ cell infiltration and demyelination in the CNS, and decreased the percentage of IL-17A+CD4+ T cells in peripheral blood mononuclear cells and ICAM1+CD4+ T cells in brain and SC. Diffusion Tensor Imaging indicated that IL-11 antagonist inhibited demyelination in several brain regions. We conclude that by suppressing Th17 cell-mediated neuroinflammation and demyelination, IL-11 antagonist can be further studied as a potential selective and early therapy for RRMS.
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Kalozoumi G, Kel-Margoulis O, Vafiadaki E, Greenberg D, Bernard H, Soreq H, Depaulis A, Sanoudou D. Glial responses during epileptogenesis in Mus musculus point to potential therapeutic targets. PLoS One 2018; 13:e0201742. [PMID: 30114263 PMCID: PMC6095496 DOI: 10.1371/journal.pone.0201742] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Accepted: 07/21/2018] [Indexed: 01/21/2023] Open
Abstract
The Mesio-Temporal Lobe Epilepsy syndrome is the most common form of intractable epilepsy. It is characterized by recurrence of focal seizures and is often associated with hippocampal sclerosis and drug resistance. We aimed to characterize the molecular changes occurring during the initial stages of epileptogenesis in search of new therapeutic targets for Mesio-Temporal Lobe Epilepsy. We used a mouse model obtained by intra-hippocampal microinjection of kainate and performed hippocampal whole genome expression analysis at 6h, 12h and 24h post-injection, followed by multilevel bioinformatics analysis. We report significant changes in immune and inflammatory responses, neuronal network reorganization processes and glial functions, predominantly initiated during status epilepticus at 12h and persistent after the end of status epilepticus at 24h post-kainate. Upstream regulator analysis highlighted Cyba, Cybb and Vim as central regulators of multiple overexpressed genes implicated in glial responses at 24h. In silico microRNA analysis indicated that miR-9, miR-19b, miR-129, and miR-223 may regulate the expression of glial-associated genes at 24h. Our data support the hypothesis that glial-mediated inflammatory response holds a key role during epileptogenesis, and that microglial cells may participate in the initial process of epileptogenesis through increased ROS production via the NOX complex.
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Affiliation(s)
- Georgia Kalozoumi
- Clinical Genomics and Pharmacogenomics Unit, 4 Department of Internal Medicine, Attikon Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | | | - Elizabeth Vafiadaki
- Molecular Biology Division, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
| | - David Greenberg
- The Edmond and Lily Safra Center for Brain Sciences, The Hebrew University of Jerusalem, Jerusalem, Israel
| | | | - Hermona Soreq
- The Edmond and Lily Safra Center for Brain Sciences, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Antoine Depaulis
- INSERM, Grenoble, France
- Univ. Grenoble Alpes, Grenoble Institut des Neurosciences, Grenoble, France
- CHU de Grenoble, Hôpital Michallon, Grenoble, France
| | - Despina Sanoudou
- Clinical Genomics and Pharmacogenomics Unit, 4 Department of Internal Medicine, Attikon Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece
- Molecular Biology Division, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
- * E-mail:
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Antel JP, Lin YH, Cui QL, Pernin F, Kennedy TE, Ludwin SK, Healy LM. Immunology of oligodendrocyte precursor cells in vivo and in vitro. J Neuroimmunol 2018; 331:28-35. [PMID: 29566973 DOI: 10.1016/j.jneuroim.2018.03.006] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Revised: 02/27/2018] [Accepted: 03/12/2018] [Indexed: 12/23/2022]
Abstract
Remyelination following myelin/oligodendrocyte injury in the central nervous system (CNS) is dependent on oligodendrocyte progenitor cells (OPCs) migrating into lesion sites, differentiating into myelinating oligodendrocytes (OLs), and ensheathing axons. Experimental models indicate that robust OPC-dependent remyelination can occur in the CNS; in contrast, histologic and imaging studies of lesions in the human disease multiple sclerosis (MS) indicate the variable extent of this response, which is particularly limited in more chronic MS lesions. Immune-mediated mechanisms can contribute either positively or negatively to the presence and functional responses of OPCs. This review addresses i) the molecular signature and functional properties of OPCs in the adult human brain; ii) the status (presence and function) of OPCs in MS lesions; iii) experimental models and in vitro data highlighting the contribution of adaptive and innate immune constituents to OPC injury and remyelination; and iv) effects of MS-directed immunotherapies on OPCs, either directly or indirectly via effects on specific immune constituents.
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Affiliation(s)
- Jack P Antel
- Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, Quebec, Canada
| | - Yun Hsuan Lin
- Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, Quebec, Canada
| | - Qiao-Ling Cui
- Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, Quebec, Canada
| | - Florian Pernin
- Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, Quebec, Canada
| | - Timothy E Kennedy
- Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, Quebec, Canada
| | - Samuel K Ludwin
- Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, Quebec, Canada; Department of Pathology and Molecular Medicine, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - Luke M Healy
- Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, Quebec, Canada.
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Sanadgol N, Golab F, Tashakkor Z, Taki N, Moradi Kouchi S, Mostafaie A, Mehdizadeh M, Abdollahi M, Taghizadeh G, Sharifzadeh M. Neuroprotective effects of ellagic acid on cuprizone-induced acute demyelination through limitation of microgliosis, adjustment of CXCL12/IL-17/IL-11 axis and restriction of mature oligodendrocytes apoptosis. PHARMACEUTICAL BIOLOGY 2017; 55:1679-1687. [PMID: 28447514 PMCID: PMC6130560 DOI: 10.1080/13880209.2017.1319867] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/03/2016] [Revised: 10/29/2016] [Accepted: 04/12/2017] [Indexed: 06/07/2023]
Abstract
CONTEXT Ellagic acid (EA) is a natural phenol antioxidant with various therapeutic activities. However, the efficacy of EA has not been examined in neuropathologic conditions. OBJECTIVE In vivo neuroprotective effects of EA on cuprizone (cup)-induced demyelination were evaluated. MATERIAL AND METHODS C57BL/6 J mice were fed with chow containing 0.2% cup for 4 weeks to induce oligodendrocytes (OLGs) depletion predominantly in the corpus callosum (CC). EA was administered at different doses (40 or 80 mg/kg body weight/day/i.p.) from the first day of cup diet. Oligodendrocytes apoptosis [TUNEL assay and myelin oligodendrocyte glycoprotein (MOG+)/caspase-3+ cells), gliosis (H&E staining, glial fibrillary acidic protein (GFAP+) and macrophage-3 (Mac-3+) cells) and inflammatory markers (interleukin 17 (IL-17), interleukin 11 (IL-11) and stromal cell-derived factor 1 α (SDF-1α) or CXCL12] during cup intoxication were examined. RESULTS High dose of EA (EA-80) increased mature oligodendrocytes population (MOG+ cells, p < 0.001), and decreased apoptosis (p < 0.05) compared with the cup mice. Treatment with both EA doses did not show any considerable effects on the expression of CXCL12, but significantly down-regulated the expression of IL-17 and up-regulated the expression of IL-11 in mRNA levels compared with the cup mice. Only treatment with EA-80 significantly decreased the population of active macrophage (MAC-3+ cells, p < 0.001) but not reactive astrocytes (GFAP+ cells) compared with the cup mice. DISCUSSION AND CONCLUSION In this model, EA-80 effectively reduces lesions via reduction of neuroinflammation and toxic effects of cup on mature OLGs. EA is a suitable therapeutic agent for moderate brain damage in neurodegenerative diseases such as multiple sclerosis.
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Affiliation(s)
- Nima Sanadgol
- Department of Pharmacology and Toxicology, Pharmaceutical Sciences Research Center, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
- Department of Biology, Faculty of Sciences, University of Zabol, Zabol, Iran
| | - Fereshteh Golab
- Cellular and Molecular Research Center, Iran University of Medical Science, Tehran, Iran
| | - Zakiyeh Tashakkor
- MSc in Cell and Developmental Biology, Department of Cell and Molecular Biology, Faculty of Biological Sciences, Kharazmi University, Tehran, Iran
| | - Nooshin Taki
- MSc in Cell and Developmental Biology, Department of Cell and Molecular Biology, Faculty of Biological Sciences, Kharazmi University, Tehran, Iran
| | - Samira Moradi Kouchi
- MSc in Cell and Developmental Biology, Department of Cell and Molecular Biology, Faculty of Biological Sciences, Kharazmi University, Tehran, Iran
| | - Ali Mostafaie
- Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mehdi Mehdizadeh
- Cellular and Molecular Research Center, Iran University of Medical Science, Tehran, Iran
- Department of Anatomical Sciences, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mohammad Abdollahi
- Toxicology and Diseases Group, Pharmaceutical Sciences Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Ghorban Taghizadeh
- Department of Occupational Therapy, Faculty of Rehabilitation Sciences, Iran University of Medical Sciences, Tehran, Iran
| | - Mohammad Sharifzadeh
- Department of Pharmacology and Toxicology, Pharmaceutical Sciences Research Center, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
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A panoramic review and in silico analysis of IL-11 structure and function. Cytokine Growth Factor Rev 2016; 32:41-61. [PMID: 27312790 DOI: 10.1016/j.cytogfr.2016.06.002] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2016] [Revised: 05/21/2016] [Accepted: 06/03/2016] [Indexed: 12/15/2022]
Abstract
Human Interleukin (IL)-11 is a multifunctional cytokine, recognized for its thrombopoietic effects for more than two decades; clinically, IL-11 is used in the treatment of thrombocytopenia. IL-11 shares structural and functional similarities with IL-6, a related family member. In recent years, there has been a renewed interest in IL-11, because its distinct biological activities associated with cancers of epithelial origin and inflammatory disorders have been revealed. Although the crystal structure of IL-11 was resolved more than two years, a better understanding of the mechanisms of IL-11 action is required to further extend the clinical use of IL-11. This review will discuss the available structural, functional, and bioinformatics knowledge concerning IL-11 and will summarize its relationship with several diseases.
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Steelman AJ, Zhou Y, Koito H, Kim S, Payne HR, Lu QR, Li J. Activation of oligodendroglial Stat3 is required for efficient remyelination. Neurobiol Dis 2016; 91:336-46. [PMID: 27060559 DOI: 10.1016/j.nbd.2016.03.023] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2015] [Revised: 03/11/2016] [Accepted: 03/30/2016] [Indexed: 01/26/2023] Open
Abstract
Multiple sclerosis is the most prevalent demyelinating disease of the central nervous system (CNS) and is histologically characterized by perivascular demyelination as well as neurodegeneration. While the degree of axonal damage is correlated with clinical disability, it is believed that remyelination can protect axons from degeneration and slow disease progression. Therefore, understanding the intricacies associated with myelination and remyelination may lead to therapeutics that can enhance the remyelination process and slow axon degeneration and loss of function. Ciliary neurotrophic factor (CNTF) family cytokines such as leukemia inhibitory factor (LIF) and interleukin 11 (IL-11) are known to promote oligodendrocyte maturation and remyelination in experimental models of demyelination. Because CNTF family member binding to the gp130 receptor results in activation of the JAK2/Stat3 pathway we investigated the necessity of oligodendroglial Stat3 in transducing the signal required for myelination and remyelination. We found that Stat3 activation in the CNS coincides with myelination during development. Stimulation of oligodendrocyte precursor cells (OPCs) with CNTF or LIF promoted OPC survival and final differentiation, which was completely abolished by pharmacologic blockade of Stat3 activation with JAK2 inhibitor. Similarly, genetic ablation of Stat3 in oligodendrocyte lineage cells prevented CNTF-induced OPC differentiation in culture. In vivo, while oligodendroglial Stat3 signaling appears to be dispensable for developmental CNS myelination, it is required for oligodendrocyte regeneration and efficient remyelination after toxin-induced focal demyelination in the adult brain. Our data suggest a critical function for oligodendroglial Stat3 signaling in myelin repair.
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Affiliation(s)
- Andrew J Steelman
- Department of Veterinary Integrative Biosciences, College of Veterinary Medicine & Biomedical Sciences, United States; Institute for Neuroscience, Texas A&M University, College Station, TX 77843, United States
| | - Yun Zhou
- Department of Veterinary Integrative Biosciences, College of Veterinary Medicine & Biomedical Sciences, United States
| | - Hisami Koito
- Department of Veterinary Integrative Biosciences, College of Veterinary Medicine & Biomedical Sciences, United States
| | - SunJa Kim
- Department of Veterinary Integrative Biosciences, College of Veterinary Medicine & Biomedical Sciences, United States; Institute for Neuroscience, Texas A&M University, College Station, TX 77843, United States
| | - H Ross Payne
- Department of Veterinary Pathobiology, College of Veterinary Medicine & Biomedical Sciences, United States
| | - Q Richard Lu
- Department of Pediatrics, Brain Tumor Center, Cincinnati Children's Hospital Medical Center, United States
| | - Jianrong Li
- Department of Veterinary Integrative Biosciences, College of Veterinary Medicine & Biomedical Sciences, United States; Institute for Neuroscience, Texas A&M University, College Station, TX 77843, United States.
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Abstract
IL-11 is a member of the IL-6 family of cytokines. While it was discovered over 20 years ago, we have very little understanding of the role of IL-11 during normal homeostasis and disease. Recently, IL-11 has gained interest for its newly recognized role in the pathogenesis of diseases that are attributed to deregulated mucosal homeostasis, including gastrointestinal cancers. IL-11 can increase the tumorigenic capacity of cells, including survival of the cell or origin, proliferation of cancerous cells and survival of metastatic cells at distant organs. Here we outline our current understanding of IL-11 biology and recent advances in our understanding of its role in cancer. We advocate that inhibition of IL-11 signaling may represent an emerging therapeutic opportunity for numerous cancers.
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Affiliation(s)
- Tracy L Putoczki
- The Walter & Eliza Hall Institute of Medical Research & Department of Medical Biology, University of Melbourne, Parkville Victoria 3052, Australia
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Barateiro A, Chen S, Yueh MF, Fernandes A, Domingues HS, Relvas J, Barbier O, Nguyen N, Tukey RH, Brites D. Reduced Myelination and Increased Glia Reactivity Resulting from Severe Neonatal Hyperbilirubinemia. Mol Pharmacol 2015; 89:84-93. [PMID: 26480925 DOI: 10.1124/mol.115.098228] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2015] [Accepted: 10/14/2015] [Indexed: 01/16/2023] Open
Abstract
Bilirubin-induced neurologic dysfunction (BIND) and kernicterus has been used to describe moderate to severe neurologic dysfunction observed in children exposed to excessive levels of total serum bilirubin (TSB) during the neonatal period. Here we use a new mouse model that targets deletion of the Ugt1 locus and the Ugt1a1 gene in liver to promote hyperbilirubinemia-induced seizures and central nervous system toxicity. The accumulation of TSB in these mice leads to diffuse yellow coloration of brain tissue and a marked cerebellar hypoplasia that we characterize as kernicterus. Histologic studies of brain tissue demonstrate that the onset of severe neonatal hyperbilirubinemia, characterized by seizures, leads to alterations in myelination and glia reactivity. Kernicterus presents as axonopathy with myelination deficits at different brain regions, including pons, medulla oblongata, and cerebellum. The excessive accumulation of TSB in the early neonatal period (5 days after birth) promotes activation of the myelin basic protein (Mbp) gene with an accelerated loss of MBP that correlates with a lack of myelin sheath formation. These changes were accompanied by increased astroglial and microglial reactivity, possibly as a response to myelination injury. Interestingly, cerebellum was the area most affected, with greater myelination impairment and glia burden, and showing a marked loss of Purkinje cells and reduced arborization of the remaining ones. Thus, kernicterus in this model displays not only axonal damage but also myelination deficits and glial activation in different brain regions that are usually related to the neurologic sequelae observed after severe hyperbilirubinemia.
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Affiliation(s)
- Andreia Barateiro
- Research Institute for Medicines (iMed.UL) (A.B., A.F., D.B.) and Department of Biochemistry and Human Biology (A.F., D.B.), Faculty of Pharmacy, University of Lisbon, Lisbon, Portugal; Laboratory of Environmental Toxicology, Department of Pharmacology, and Chemistry and Biochemistry, University of California San Diego, La Jolla, California (S.C., M-F.Y., N.N., R.H.T.); Departamento de Biologia Experimental, Faculty of Medicine (H.S.D., J.R.) and Instituto de Biologia Molecular e Celular (J.R.), University of Porto, Porto, Portugal; Laboratory of Molecular Pharmacology, CHU de Québec Research Centre and Faculty of Pharmacy, Laval University, Québec, QC, Canada (O.B.)
| | - Shujuan Chen
- Research Institute for Medicines (iMed.UL) (A.B., A.F., D.B.) and Department of Biochemistry and Human Biology (A.F., D.B.), Faculty of Pharmacy, University of Lisbon, Lisbon, Portugal; Laboratory of Environmental Toxicology, Department of Pharmacology, and Chemistry and Biochemistry, University of California San Diego, La Jolla, California (S.C., M-F.Y., N.N., R.H.T.); Departamento de Biologia Experimental, Faculty of Medicine (H.S.D., J.R.) and Instituto de Biologia Molecular e Celular (J.R.), University of Porto, Porto, Portugal; Laboratory of Molecular Pharmacology, CHU de Québec Research Centre and Faculty of Pharmacy, Laval University, Québec, QC, Canada (O.B.)
| | - Mei-Fei Yueh
- Research Institute for Medicines (iMed.UL) (A.B., A.F., D.B.) and Department of Biochemistry and Human Biology (A.F., D.B.), Faculty of Pharmacy, University of Lisbon, Lisbon, Portugal; Laboratory of Environmental Toxicology, Department of Pharmacology, and Chemistry and Biochemistry, University of California San Diego, La Jolla, California (S.C., M-F.Y., N.N., R.H.T.); Departamento de Biologia Experimental, Faculty of Medicine (H.S.D., J.R.) and Instituto de Biologia Molecular e Celular (J.R.), University of Porto, Porto, Portugal; Laboratory of Molecular Pharmacology, CHU de Québec Research Centre and Faculty of Pharmacy, Laval University, Québec, QC, Canada (O.B.)
| | - Adelaide Fernandes
- Research Institute for Medicines (iMed.UL) (A.B., A.F., D.B.) and Department of Biochemistry and Human Biology (A.F., D.B.), Faculty of Pharmacy, University of Lisbon, Lisbon, Portugal; Laboratory of Environmental Toxicology, Department of Pharmacology, and Chemistry and Biochemistry, University of California San Diego, La Jolla, California (S.C., M-F.Y., N.N., R.H.T.); Departamento de Biologia Experimental, Faculty of Medicine (H.S.D., J.R.) and Instituto de Biologia Molecular e Celular (J.R.), University of Porto, Porto, Portugal; Laboratory of Molecular Pharmacology, CHU de Québec Research Centre and Faculty of Pharmacy, Laval University, Québec, QC, Canada (O.B.)
| | - Helena Sofia Domingues
- Research Institute for Medicines (iMed.UL) (A.B., A.F., D.B.) and Department of Biochemistry and Human Biology (A.F., D.B.), Faculty of Pharmacy, University of Lisbon, Lisbon, Portugal; Laboratory of Environmental Toxicology, Department of Pharmacology, and Chemistry and Biochemistry, University of California San Diego, La Jolla, California (S.C., M-F.Y., N.N., R.H.T.); Departamento de Biologia Experimental, Faculty of Medicine (H.S.D., J.R.) and Instituto de Biologia Molecular e Celular (J.R.), University of Porto, Porto, Portugal; Laboratory of Molecular Pharmacology, CHU de Québec Research Centre and Faculty of Pharmacy, Laval University, Québec, QC, Canada (O.B.)
| | - João Relvas
- Research Institute for Medicines (iMed.UL) (A.B., A.F., D.B.) and Department of Biochemistry and Human Biology (A.F., D.B.), Faculty of Pharmacy, University of Lisbon, Lisbon, Portugal; Laboratory of Environmental Toxicology, Department of Pharmacology, and Chemistry and Biochemistry, University of California San Diego, La Jolla, California (S.C., M-F.Y., N.N., R.H.T.); Departamento de Biologia Experimental, Faculty of Medicine (H.S.D., J.R.) and Instituto de Biologia Molecular e Celular (J.R.), University of Porto, Porto, Portugal; Laboratory of Molecular Pharmacology, CHU de Québec Research Centre and Faculty of Pharmacy, Laval University, Québec, QC, Canada (O.B.)
| | - Olivier Barbier
- Research Institute for Medicines (iMed.UL) (A.B., A.F., D.B.) and Department of Biochemistry and Human Biology (A.F., D.B.), Faculty of Pharmacy, University of Lisbon, Lisbon, Portugal; Laboratory of Environmental Toxicology, Department of Pharmacology, and Chemistry and Biochemistry, University of California San Diego, La Jolla, California (S.C., M-F.Y., N.N., R.H.T.); Departamento de Biologia Experimental, Faculty of Medicine (H.S.D., J.R.) and Instituto de Biologia Molecular e Celular (J.R.), University of Porto, Porto, Portugal; Laboratory of Molecular Pharmacology, CHU de Québec Research Centre and Faculty of Pharmacy, Laval University, Québec, QC, Canada (O.B.)
| | - Nghia Nguyen
- Research Institute for Medicines (iMed.UL) (A.B., A.F., D.B.) and Department of Biochemistry and Human Biology (A.F., D.B.), Faculty of Pharmacy, University of Lisbon, Lisbon, Portugal; Laboratory of Environmental Toxicology, Department of Pharmacology, and Chemistry and Biochemistry, University of California San Diego, La Jolla, California (S.C., M-F.Y., N.N., R.H.T.); Departamento de Biologia Experimental, Faculty of Medicine (H.S.D., J.R.) and Instituto de Biologia Molecular e Celular (J.R.), University of Porto, Porto, Portugal; Laboratory of Molecular Pharmacology, CHU de Québec Research Centre and Faculty of Pharmacy, Laval University, Québec, QC, Canada (O.B.)
| | - Robert H Tukey
- Research Institute for Medicines (iMed.UL) (A.B., A.F., D.B.) and Department of Biochemistry and Human Biology (A.F., D.B.), Faculty of Pharmacy, University of Lisbon, Lisbon, Portugal; Laboratory of Environmental Toxicology, Department of Pharmacology, and Chemistry and Biochemistry, University of California San Diego, La Jolla, California (S.C., M-F.Y., N.N., R.H.T.); Departamento de Biologia Experimental, Faculty of Medicine (H.S.D., J.R.) and Instituto de Biologia Molecular e Celular (J.R.), University of Porto, Porto, Portugal; Laboratory of Molecular Pharmacology, CHU de Québec Research Centre and Faculty of Pharmacy, Laval University, Québec, QC, Canada (O.B.)
| | - Dora Brites
- Research Institute for Medicines (iMed.UL) (A.B., A.F., D.B.) and Department of Biochemistry and Human Biology (A.F., D.B.), Faculty of Pharmacy, University of Lisbon, Lisbon, Portugal; Laboratory of Environmental Toxicology, Department of Pharmacology, and Chemistry and Biochemistry, University of California San Diego, La Jolla, California (S.C., M-F.Y., N.N., R.H.T.); Departamento de Biologia Experimental, Faculty of Medicine (H.S.D., J.R.) and Instituto de Biologia Molecular e Celular (J.R.), University of Porto, Porto, Portugal; Laboratory of Molecular Pharmacology, CHU de Québec Research Centre and Faculty of Pharmacy, Laval University, Québec, QC, Canada (O.B.)
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Steelman AJ. Infection as an Environmental Trigger of Multiple Sclerosis Disease Exacerbation. Front Immunol 2015; 6:520. [PMID: 26539193 PMCID: PMC4609887 DOI: 10.3389/fimmu.2015.00520] [Citation(s) in RCA: 88] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2015] [Accepted: 09/24/2015] [Indexed: 01/19/2023] Open
Abstract
Over the past several decades, significant advances have been made in identifying factors that contribute to the pathogenesis of multiple sclerosis (MS) and have culminated in the approval of some effective therapeutic strategies for disease intervention. However, the mechanisms by which environmental factors, such as infection, contribute to the pathogenesis and/or symptom exacerbation remain to be fully elucidated. Relapse frequency in MS patients contributes to neurological impairment and, in the initial phases of disease, serves as a predictor of poor disease prognosis. The purpose of this review is to examine the evidence that supports a role for peripheral infection in modulating the natural history of this disease. Evidence supporting a role for infection in promoting exacerbation in animal models of MS is also reviewed. Finally, a few mechanisms by which infection may exacerbate symptoms of MS and other neurological diseases are discussed. Those who comprise the majority of MS patients acquire approximately two upper-respiratory infections per year; furthermore, this type of infection doubles the risk for MS relapse, underscoring the contribution of this relationship as being potentially important and particularly detrimental.
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Affiliation(s)
- Andrew J Steelman
- Department of Animal Sciences, College of Agricultural, Consumer and Environmental Sciences, University of Illinois Urbana-Champaign , Urbana, IL , USA ; Neuroscience Program, University of Illinois Urbana-Champaign , Urbana, IL , USA ; Division of Nutritional Sciences, University of Illinois Urbana-Champaign , Urbana, IL , USA
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Kim LH, Cheong HS, Shin JG, Seo JM, Kim DY, Oh JT, Kim HY, Jung K, Koh I, Kim JH, Shin HD. Genetic variants of IL-11 associated with risk of Hirschsprung disease. Neurogastroenterol Motil 2015; 27:1371-7. [PMID: 26172388 DOI: 10.1111/nmo.12629] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2015] [Accepted: 06/15/2015] [Indexed: 02/08/2023]
Abstract
BACKGROUND Hirschsprung disease (HSCR) is a congenital and heterogeneous disorder characterized by the absence of enteric ganglia during enteric nervous system (ENS) development. Our recent genome-wide association study has identified a variant (rs6509940) of interleukin-11 (IL-11) as a potential susceptible locus for HSCR. As interleukins play important roles in the ENS, we further studied associations with HSCR of nine common single nucleotide polymorphisms (SNPs) on IL-11. METHODS Biopsy specimens or surgical materials from all patients that were tested for histological examination based on the absence of the enteric ganglia were collected. A total of nine SNPs on IL-11 were genotyped in 187 HSCR patients and 283 unaffected controls using TaqMan genotyping assay. KEY RESULTS Combined analysis revealed that several SNPs (minimum p = 1.57 × 10(-7) ) showed statistically significant associations with HSCR, even after Bonferroni correction (pcorr = 1.73 × 10(-6) for the SNP). Moreover, the most common haplotype was strongly associated with HSCR (pcorr = 2.20 × 10(-6) ). In further analysis among three HSCR subtypes (short segment, S-HSCR; long segment, L-HSCR; total colonic aganglionosis, TCA) based on the extent of aganglionic segment, the result showed a different association pattern depending on the subtypes (minimum pcorr = 6.12 × 10(-5) for rs6509940 in S-HSCR; but no significant SNP in L-HSCR and TCA). CONCLUSIONS & INFERENCES Although further replication in a larger cohort and functional evaluations are needed, our findings suggest that genetic variations of IL-11 may be associated with the risk of HSCR and/or the mechanisms related to ENS development.
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Affiliation(s)
- L H Kim
- Department of Life Science, Sogang University, Seoul, Korea
| | - H S Cheong
- Department of Genetic Epidemiology, SNP Genetics, Inc., Seoul, Korea
| | - J-G Shin
- Department of Life Science, Sogang University, Seoul, Korea
| | - J-M Seo
- Division of Pediatric Surgery, Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - D-Y Kim
- Department of Pediatric Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - J-T Oh
- Department of Pediatric Surgery, Severance Children's Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - H-Y Kim
- Department of Pediatric Surgery, Seoul National University Children's Hospital, Seoul, Korea
| | - K Jung
- Department of Surgery, Seoul National University Bundang Hospital, Seongnam, Gyeonggi, Korea
| | - I Koh
- Department of Physiology, College of Medicine, Hanyang University, Seoul, Korea
| | - J-H Kim
- Research Institute for Basic Science, Sogang University, Seoul, Korea
| | - H D Shin
- Department of Life Science, Sogang University, Seoul, Korea.,Research Institute for Basic Science, Sogang University, Seoul, Korea
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Janssens K, Slaets H, Hellings N. Immunomodulatory properties of the IL-6 cytokine family in multiple sclerosis. Ann N Y Acad Sci 2015; 1351:52-60. [PMID: 26100315 DOI: 10.1111/nyas.12821] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2015] [Revised: 05/19/2015] [Accepted: 05/19/2015] [Indexed: 12/13/2022]
Abstract
Multiple sclerosis (MS) is a chronic disabling autoimmune disease of the central nervous system. The interleukin (IL)-6 cytokine family plays a crucial role in regulating the immune response in MS. All members of the IL-6 family share the common signal-transducing receptor protein, glycoprotein 130. Although the intracellular signaling of these cytokines seems to be largely overlapping, they have diverse and contrasting effects on the immune response. This review focuses on the effects of the family members IL-6, leukemia inhibitory factor, oncostatin M, and IL-11 on immune cell subsets and how these effects relate to the pathogenesis of MS. Finally, we propose possible avenues to modulate these family members for future MS therapy.
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Affiliation(s)
- Kris Janssens
- Department of Immunology, Biomedical Research Institute, Hasselt University, Diepenbeek, Belgium
| | - Helena Slaets
- Department of Immunology, Biomedical Research Institute, Hasselt University, Diepenbeek, Belgium
| | - Niels Hellings
- Department of Immunology, Biomedical Research Institute, Hasselt University, Diepenbeek, Belgium
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Winter GN, Ben-Pazi H. Neurologic sequela in a patient with galactosemia potentially mediated by interleukin-11 dysfunction. J Child Neurol 2015; 30:922-6. [PMID: 25008910 DOI: 10.1177/0883073814540520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2014] [Accepted: 05/22/2014] [Indexed: 11/16/2022]
Abstract
A 16-year-old galactosemic patient, homozygous for the 5.5-kb gene deletion, suffered severe neurologic regression following streptococcal infection. Since the gene deletion includes the promoter of interleukin-11a receptor involved in neuronal apoptosis, we questioned whether this patient had no interleukin-11a receptor activity-resulting in neuronal toxicity during septicemia. We hypothesized that interleukin-11 levels would be elevated because of a loss of feedback induced by the absent interleukin-11Ra receptor complex. To assess this, we compared interleukin-11 levels in the proband and 2 of his siblings with the same genetic deletion, to age-matched controls. No differences were found in interleukin-11 levels between groups. Our study was not carried out during acute infective states, when the disrupted immunoregulation triggered by sepsis is relevant, and is thus limited. In conclusion, although interleukin-11 was not chronically elevated in individuals with galactosemia and 5.5-kb gene deletion, data do not rule out potential interleukin-11 dysfunction during acute infection.
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Affiliation(s)
- Gidon N Winter
- Pediatric Movement Disorders, Neuropediatric Unit, Shaare Zedek Medical Center, Jerusalem, Israel
| | - Hilla Ben-Pazi
- Pediatric Movement Disorders, Neuropediatric Unit, Shaare Zedek Medical Center, Jerusalem, Israel
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Janssens K, Maheshwari A, Van den Haute C, Baekelandt V, Stinissen P, Hendriks JJA, Slaets H, Hellings N. Oncostatin M protects against demyelination by inducing a protective microglial phenotype. Glia 2015; 63:1729-37. [DOI: 10.1002/glia.22840] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2014] [Accepted: 04/01/2015] [Indexed: 12/21/2022]
Affiliation(s)
- Kris Janssens
- Department of Immunology; Biomedical Research Institute, Hasselt University; Diepenbeek Belgium
| | - Anurag Maheshwari
- Department of Immunology; Biomedical Research Institute, Hasselt University; Diepenbeek Belgium
| | - Chris Van den Haute
- Department of Neurosciences, Laboratory for Neurobiology and Gene Therapy; KU Leuven; Kapucijnenvoer 33 Leuven Belgium
- Department of Neurosciences and Department of Pharmaceutical and Pharmacological Sciences; Leuven Viral Vector Core, KU Leuven; Kapucijnenvoer 33 Leuven Belgium
| | - Veerle Baekelandt
- Department of Neurosciences, Laboratory for Neurobiology and Gene Therapy; KU Leuven; Kapucijnenvoer 33 Leuven Belgium
| | - Piet Stinissen
- Department of Immunology; Biomedical Research Institute, Hasselt University; Diepenbeek Belgium
| | - Jerome J. A. Hendriks
- Department of Immunology; Biomedical Research Institute, Hasselt University; Diepenbeek Belgium
| | - Helena Slaets
- Department of Immunology; Biomedical Research Institute, Hasselt University; Diepenbeek Belgium
| | - Niels Hellings
- Department of Immunology; Biomedical Research Institute, Hasselt University; Diepenbeek Belgium
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50
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Lindner M, Thümmler K, Arthur A, Brunner S, Elliott C, McElroy D, Mohan H, Williams A, Edgar JM, Schuh C, Stadelmann C, Barnett SC, Lassmann H, Mücklisch S, Mudaliar M, Schaeren-Wiemers N, Meinl E, Linington C. Fibroblast growth factor signalling in multiple sclerosis: inhibition of myelination and induction of pro-inflammatory environment by FGF9. Brain 2015; 138:1875-93. [PMID: 25907862 PMCID: PMC7185739 DOI: 10.1093/brain/awv102] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2014] [Accepted: 02/14/2015] [Indexed: 12/18/2022] Open
Abstract
Remyelination failure plays an important role in the pathophysiology of multiple sclerosis, but the underlying cellular and molecular mechanisms remain poorly understood. We now report actively demyelinating lesions in patients with multiple sclerosis are associated with increased glial expression of fibroblast growth factor 9 (FGF9), which we demonstrate inhibits myelination and remyelination in vitro. This inhibitory activity is associated with the appearance of multi-branched ‘pre-myelinating’ MBP+/PLP+ oligodendrocytes that interact with axons but fail to assemble myelin sheaths; an oligodendrocyte phenotype described previously in chronically demyelinated multiple sclerosis lesions. This inhibitory activity is not due to a direct effect of FGF9 on cells of the oligodendrocyte lineage but is mediated by factors secreted by astrocytes. Transcriptional profiling and functional validation studies demonstrate that these include effects dependent on increased expression of tissue inhibitor of metalloproteinase-sensitive proteases, enzymes more commonly associated with extracellular matrix remodelling. Further, we found that FGF9 induces expression of Ccl2 and Ccl7, two pro-inflammatory chemokines that contribute to recruitment of microglia and macrophages into multiple sclerosis lesions. These data indicate glial expression of FGF9 can initiate a complex astrocyte-dependent response that contributes to two distinct pathogenic pathways involved in the development of multiple sclerosis lesions. Namely, induction of a pro-inflammatory environment and failure of remyelination; a combination of effects predicted to exacerbate axonal injury and loss in patients.
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Affiliation(s)
- Maren Lindner
- 1 Institute of Infection, Immunity and Inflammation, University of Glasgow, UK
| | - Katja Thümmler
- 1 Institute of Infection, Immunity and Inflammation, University of Glasgow, UK
| | - Ariel Arthur
- 1 Institute of Infection, Immunity and Inflammation, University of Glasgow, UK
| | - Sarah Brunner
- 2 Department of Biomedicine, University Hospital Basel, University of Basel, Basel, Switzerland
| | - Christina Elliott
- 1 Institute of Infection, Immunity and Inflammation, University of Glasgow, UK
| | - Daniel McElroy
- 1 Institute of Infection, Immunity and Inflammation, University of Glasgow, UK
| | - Hema Mohan
- 3 Institute of Clinical Neuroimmunology, Ludwig-Maximilians-Universität, Munich, Germany
| | - Anna Williams
- 4 MRC Centre for Regenerative Medicine, University of Edinburgh, Edinburgh, UK
| | - Julia M Edgar
- 1 Institute of Infection, Immunity and Inflammation, University of Glasgow, UK
| | - Cornelia Schuh
- 5 Centre for Brain Research, Medical University of Vienna, Vienna, Austria
| | | | - Susan C Barnett
- 1 Institute of Infection, Immunity and Inflammation, University of Glasgow, UK
| | - Hans Lassmann
- 5 Centre for Brain Research, Medical University of Vienna, Vienna, Austria
| | - Steve Mücklisch
- 7 Department of Computer Science, Chemnitz University of Technology, Chemnitz, Germany
| | - Manikhandan Mudaliar
- 8 Glasgow Polyomics, College of Medical, Veterinary and Life Science, University of Glasgow, UK
| | - Nicole Schaeren-Wiemers
- 2 Department of Biomedicine, University Hospital Basel, University of Basel, Basel, Switzerland
| | - Edgar Meinl
- 3 Institute of Clinical Neuroimmunology, Ludwig-Maximilians-Universität, Munich, Germany
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