1
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Yang D, Sun Y, Lin D, Li S, Zhang Y, Wu A, Wei C. Interleukin-33 ameliorates perioperative neurocognitive disorders by modulating microglial state. Neuropharmacology 2024; 253:109982. [PMID: 38701943 DOI: 10.1016/j.neuropharm.2024.109982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 04/16/2024] [Accepted: 04/30/2024] [Indexed: 05/06/2024]
Abstract
Perioperative neurocognitive disorders (PND) are cognitive dysfunctions that usually occur in elderly patients after anesthesia and surgery. Microglial overactivation is a key underlying mechanism. Interleukin-33 (IL-33) is a member of the IL-1 family that orchestrates microglial function. In the present study, we explored how IL-33, which regulates microglia, contributes to cognitive improvement in a male mouse model of PND. An exploratory laparotomy was performed to establish a PND model. The expression levels of IL-33 and its receptor ST2 were evaluated using Western blot. IL-33/ST2 secretion, microglial density, morphology, phagocytosis of synapse, and proliferation, and dystrophic microglia were assessed using immunofluorescence. Synaptic plasticity was measured using Golgi staining and long-term potentiation. The Morris water maze and open field test were used to evaluate cognitive function and anxiety. Hippocampal expression of IL-33 and ST2 were elevated on postoperative day 3. We confirmed that IL-33 was secreted by astrocytes and neurons, whereas ST2 mainly colocalized with microglia. IL-33 treatment induced microgliosis after anesthesia and surgery. These microglia had larger soma sizes and shorter and fragmented branches. Compared to the Surgery group, IL-33 treatment reduced the synaptic phagocytosis of microglia and increased microglial proliferation and dystrophic microglia. IL-33 treatment also reversed the impaired synaptic plasticity and cognitive function caused by anesthesia and surgery. In conclusion, these results indicate that IL-33 plays a key role in regulating microglial state and synaptic phagocytosis in a PND mouse model. IL-33 treatment has a therapeutic potential for improving cognitive dysfunction in PND.
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Affiliation(s)
- Di Yang
- Department of Anesthesiology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Yi Sun
- Department of Anesthesiology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Dandan Lin
- Department of Anesthesiology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Sijie Li
- Department of Anesthesiology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Yan Zhang
- State Key Laboratory of Membrane Biology, College of Life Sciences, Peking University, Beijing, China.
| | - Anshi Wu
- Department of Anesthesiology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China.
| | - Changwei Wei
- Department of Anesthesiology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China.
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2
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Jiao M, Wang C, Tang X, Dai C, Zhang N, Fan A, Qian Z, Liu S, Zhang F, Li B, Xu Y, Tan Z, Gong F, Lu Y, Zheng F. Active secretion of IL-33 from astrocytes is dependent on TMED10 and promotes central nervous system homeostasis. Brain Behav Immun 2024; 119:539-553. [PMID: 38663774 DOI: 10.1016/j.bbi.2024.04.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 04/07/2024] [Accepted: 04/22/2024] [Indexed: 04/29/2024] Open
Abstract
Interleukin-33 (IL-33), secreted by astrocytes, regulates the synapse development in the spinal cord and hippocampus and suppresses autoimmune disease in the central nervous system (CNS). However, the mechanism of unconventional protein secretion of this cytokine remains unclear. In this study, we found that IFN-γ promotes the active secretion of IL-33 from astrocytes, and the active secretion of IL-33 from cytoplasm to extracellular space was dependent on interaction with transmembrane emp24 domain 10 (TMED10) via the IL-1 like cytokine domain in astrocytes. Knockout of Il-33 or its receptor St2 induced hippocampal astrocyte activation and depressive-like disorder in naive mice, as well as increased spinal cord astrocyte activation and polarization to a neurotoxic reactive subtype and aggravated passive experimental autoimmune encephalomyelitis (EAE). Our results have identified that IL-33 is actively secreted by astrocytes through the unconventional protein secretion pathway facilitated by TMED10 channels. This process helps maintain CNS homeostasis by inhibiting astrocyte activation.
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Affiliation(s)
- Mengya Jiao
- Department of Immunology, School of Basic Medicine, Tongji Medical College and State Key Laboratory for Diagnosis and Treatment of Severe Zoonostic Infectious Disease, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Chenchen Wang
- National Demonstration Center for Experimental Basic Medical Education, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Xuhuan Tang
- Department of Immunology, School of Basic Medicine, Tongji Medical College and State Key Laboratory for Diagnosis and Treatment of Severe Zoonostic Infectious Disease, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Chan Dai
- Department of Immunology, School of Basic Medicine, Tongji Medical College and State Key Laboratory for Diagnosis and Treatment of Severe Zoonostic Infectious Disease, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Na Zhang
- Department of Immunology, School of Basic Medicine, Tongji Medical College and State Key Laboratory for Diagnosis and Treatment of Severe Zoonostic Infectious Disease, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Anqi Fan
- College of Life Science, Yangtze University, Jingzhou 434025, China
| | - Zhigang Qian
- Department of Immunology, School of Basic Medicine, Tongji Medical College and State Key Laboratory for Diagnosis and Treatment of Severe Zoonostic Infectious Disease, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Shiwang Liu
- Department of Immunology, School of Basic Medicine, Tongji Medical College and State Key Laboratory for Diagnosis and Treatment of Severe Zoonostic Infectious Disease, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Feng Zhang
- Department of Immunology, School of Basic Medicine, Tongji Medical College and State Key Laboratory for Diagnosis and Treatment of Severe Zoonostic Infectious Disease, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Bin Li
- Department of Immunology and Microbiology, Shanghai Institute of Immunology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Yong Xu
- National Demonstration Center for Experimental Basic Medical Education, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Zheng Tan
- Department of Immunology, School of Basic Medicine, Tongji Medical College and State Key Laboratory for Diagnosis and Treatment of Severe Zoonostic Infectious Disease, Huazhong University of Science and Technology, Wuhan 430030, China; Key Laboratory of Organ Transplantation, Ministry of Education, NHC Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Wuhan 430030, China
| | - Feili Gong
- Department of Immunology, School of Basic Medicine, Tongji Medical College and State Key Laboratory for Diagnosis and Treatment of Severe Zoonostic Infectious Disease, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yisheng Lu
- Department of Physiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030 China
| | - Fang Zheng
- Department of Immunology, School of Basic Medicine, Tongji Medical College and State Key Laboratory for Diagnosis and Treatment of Severe Zoonostic Infectious Disease, Huazhong University of Science and Technology, Wuhan 430030, China; Key Laboratory of Organ Transplantation, Ministry of Education, NHC Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Wuhan 430030, China.
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3
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Song J, Saglam A, Zuchero JB, Buch VP. Translating Molecular Approaches to Oligodendrocyte-Mediated Neurological Circuit Modulation. Brain Sci 2024; 14:648. [PMID: 39061389 PMCID: PMC11275066 DOI: 10.3390/brainsci14070648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2024] [Revised: 06/24/2024] [Accepted: 06/25/2024] [Indexed: 07/28/2024] Open
Abstract
The central nervous system (CNS) exhibits remarkable adaptability throughout life, enabled by intricate interactions between neurons and glial cells, in particular, oligodendrocytes (OLs) and oligodendrocyte precursor cells (OPCs). This adaptability is pivotal for learning and memory, with OLs and OPCs playing a crucial role in neural circuit development, synaptic modulation, and myelination dynamics. Myelination by OLs not only supports axonal conduction but also undergoes adaptive modifications in response to neuronal activity, which is vital for cognitive processing and memory functions. This review discusses how these cellular interactions and myelin dynamics are implicated in various neurocircuit diseases and disorders such as epilepsy, gliomas, and psychiatric conditions, focusing on how maladaptive changes contribute to disease pathology and influence clinical outcomes. It also covers the potential for new diagnostics and therapeutic approaches, including pharmacological strategies and emerging biomarkers in oligodendrocyte functions and myelination processes. The evidence supports a fundamental role for myelin plasticity and oligodendrocyte functionality in synchronizing neural activity and high-level cognitive functions, offering promising avenues for targeted interventions in CNS disorders.
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Affiliation(s)
- Jingwei Song
- Medical Scientist Training Program, School of Medicine, Stanford University, Stanford, CA 94305, USA;
| | - Aybike Saglam
- Department of Neurosurgery, Stanford University, Stanford, CA 94305, USA; (A.S.); (J.B.Z.)
| | - J. Bradley Zuchero
- Department of Neurosurgery, Stanford University, Stanford, CA 94305, USA; (A.S.); (J.B.Z.)
| | - Vivek P. Buch
- Department of Neurosurgery, Stanford University, Stanford, CA 94305, USA; (A.S.); (J.B.Z.)
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4
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Huang HT, Tzeng SF. Interleukin-33 has the protective effect on oligodendrocytes against impairment induced by cuprizone intoxication. Neurochem Int 2024; 172:105645. [PMID: 38016520 DOI: 10.1016/j.neuint.2023.105645] [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: 08/19/2023] [Revised: 11/09/2023] [Accepted: 11/21/2023] [Indexed: 11/30/2023]
Abstract
Our prior investigations have demonstrated the pivotal role of IL-33 in facilitating the maturation of oligodendrocytes (OLs), prompting our interest in exploring its potential therapeutic effects. In this study, our focus was directed towards deciphering the functions of interleukin-33 (IL-33) in established demyelinating mouse model induced by the feeding of cuprizone (CPZ)-containing diet. We observed the reduction in corpus callosal adenomatous polyposis coli (APC)+ OLs with IL-33 expression in mice subjected to CPZ feeding for durations of 6 and 8 weeks. In parallel, the levels of IL-33 in the corpus callosum declined after CPZ-containing diet. Furthermore, we conducted experiments utilizing primary oligodendrocyte precursor cells (OPCs) and mature OLs, which were exposed to CPZ. A decrease in the expression of myelin basic protein (MBP) was evident in the cultures of mature OLs after treatment with CPZ. Additionally, both IL-33 mRNA and protein levels exhibited downregulation. To counteract the diminished IL-33 levels induced by CPZ, we employed a lentiviral vector to overexpress IL-33 in OLs. Intriguingly, the overexpression of IL-33 (IL33OE) in OLs resulted in a more distinct membranous morphology following CPZ treatment when compared to that observed in OL Mock cultures. Moreover, MBP protein levels in the presence of CPZ were higher in IL33OE OLs than that detected in OL Mock cultures. These findings collectively indicate that IL-33 possesses the capability to mitigate CPZ-induced damage and bolster OL homeostasis. In summary, our study underscores the importance of IL-33 in the context of demyelinating diseases, shedding light on its potential therapeutic implications for fostering remyelination and preserving OL function.
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Affiliation(s)
- Hui-Ting Huang
- Department of Life Sciences, National Cheng Kung University, Tainan, Taiwan
| | - Shun-Fen Tzeng
- Department of Life Sciences, National Cheng Kung University, Tainan, Taiwan.
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5
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Ai J, Weng Y, Jiang L, Liu C, Liu H, Chen H. Dexamethasone Suppresses IL-33-exacerbated Malignant Phenotype of U87MG Glioblastoma Cells via NF-κB and MAPK Signaling Pathways. Anticancer Agents Med Chem 2024; 24:389-397. [PMID: 38192141 DOI: 10.2174/0118715206281991231222073858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 12/07/2023] [Accepted: 12/14/2023] [Indexed: 01/10/2024]
Abstract
BACKGROUND Interleukin (IL)-33 is highly expressed in glioblastoma (GBM) and promotes tumor progression. Targeting IL-33 may be an effective strategy for the treatment of GBM. Dexamethasone (DEX) is a controversial drug routinely used clinically in GBM therapy. Whether DEX has an effect on IL-33 is unknown. This study aimed to investigate the effect of DEX on IL-33 and the molecular mechanisms involved. METHODS U87MG cells were induced by tumor necrosis factor (TNF)-α to express IL-33 and then treated with DEX. The mRNA levels of IL-33, NF-κB p65, ERK1/2, and p38 were determined by real-time quantitative PCR. The expression of IL-33, IkBα (a specific inhibitor of NF-κB) and MKP-1 (a negative regulator of MAPK), as well as the phosphorylation of NF-κB, ERK1/2 and p38 MAPK, were detected by Western blotting. The secretion of IL-33 was measured by ELISA. The proliferation, migration and invasion of U87MG cells were detected by CCK8 and transwell assays, respectively. RESULTS DEX significantly reduced TNF-α-induced production of IL-33 in U87MG cells, which was dependent on inhibiting the activation of the NF-κB, ERK1/2 and p38 MAPK signaling pathways, and was accompanied by the increased expression of IkBα but not MKP-1. Furthermore, the proliferation, migration and invasion of U87MG cells exacerbated by IL-33 were suppressed by DEX. CONCLUSION DEX inhibited the production and tumor-promoting function of IL-33. Whether DEX can benefit GBM patients remains controversial. Our results suggest that GBM patients with high IL-33 expression may benefit from DEX treatment and deserve further investigation.
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Affiliation(s)
- Jie Ai
- Department of Laboratory Medicine, The Second Affiliated Hospital of Guilin Medical University, Guilin, 541199, PR China
- College of Pharmacy, Guilin Medical University, Guilin, 541199, PR China
| | - Yinhua Weng
- Department of Laboratory Medicine, The Second Affiliated Hospital of Guilin Medical University, Guilin, 541199, PR China
| | - Liyan Jiang
- Department of Laboratory Medicine, The Second Affiliated Hospital of Guilin Medical University, Guilin, 541199, PR China
| | - Chao Liu
- Department of Laboratory Medicine, The Second Affiliated Hospital of Guilin Medical University, Guilin, 541199, PR China
| | - Hongbo Liu
- Department of Laboratory Medicine, The Second Affiliated Hospital of Guilin Medical University, Guilin, 541199, PR China
- Guangxi Health Commission Key Laboratory of Glucose and Lipid Metabolism Disorders, The Second Affiliated Hospital of Guilin Medical University, Guilin, 541199, China
| | - Huoying Chen
- Department of Laboratory Medicine, The Second Affiliated Hospital of Guilin Medical University, Guilin, 541199, PR China
- Guangxi Health Commission Key Laboratory of Glucose and Lipid Metabolism Disorders, The Second Affiliated Hospital of Guilin Medical University, Guilin, 541199, China
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6
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The IL-33/ST2 Pathway in Cerebral Malaria. Int J Mol Sci 2022; 23:ijms232113457. [PMID: 36362246 PMCID: PMC9658244 DOI: 10.3390/ijms232113457] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 10/24/2022] [Accepted: 11/01/2022] [Indexed: 11/06/2022] Open
Abstract
Interleukin-33 (IL-33) is an immunomodulatory cytokine which plays critical roles in tissue function and immune-mediated diseases. IL-33 is abundant within the brain and spinal cord tissues where it acts as a key cytokine to coordinate the exchange between the immune and central nervous system (CNS). In this review, we report the recent advances to our knowledge regarding the role of IL-33 and of its receptor ST2 in cerebral malaria, and in particular, we highlight the pivotal role that IL-33/ST2 signaling pathway could play in brain and cerebrospinal barriers permeability. IL-33 serum levels are significantly higher in children with severe Plasmodium falciparum malaria than children without complications or noninfected children. IL-33 levels are correlated with parasite load and strongly decrease with parasite clearance. We postulate that sequestration of infected erythrocytes or merozoites liberation from schizonts could amplify IL-33 production in endothelial cells, contributing either to malaria pathogenesis or recovery.
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7
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Tatu AL, Nadasdy T, Arbune A, Chioncel V, Bobeica C, Niculet E, Iancu AV, Dumitru C, Popa VT, Kluger N, Clatici VG, Vasile CI, Onisor C, Nechifor A. Interrelationship and Sequencing of Interleukins4, 13, 31, and 33 - An Integrated Systematic Review: Dermatological and Multidisciplinary Perspectives. J Inflamm Res 2022; 15:5163-5184. [PMID: 36110506 PMCID: PMC9468867 DOI: 10.2147/jir.s374060] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Accepted: 08/13/2022] [Indexed: 11/23/2022] Open
Abstract
The interrelations and sequencing of interleukins are complex (inter)actions where each interleukin can stimulate the secretion of its preceding interleukin. In this paper, we attempt to summarize the currently known roles of IL-4, IL-13, IL-31, and IL-33 from a multi-disciplinary perspective. In order to conduct a comprehensive review of the current literature, a search was conducted using PubMed, Google Scholar, Medscape, UpToDate, and Key Elsevier for keywords. The results were compiled from case reports, case series, letters, and literature review papers, and analyzed by a panel of multi-disciplinary specialist physicians for relevance. Based on 173 results, we compiled the following review of interleukin signaling and its clinical significance across a multitude of medical specialties. Interleukins are at the bed rock of a multitude of pathologies across different organ systems and understanding their role will likely lead to novel treatments and better outcomes for our patients. New interleukins are being described, and the role of this inflammatory cascade is still coming to light. We hope this multi-discipline review on the role interleukins play in current pathology assists in this scope.
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Affiliation(s)
- Alin Laurentiu Tatu
- Dermatology Department, "Sf. Cuvioasa Parascheva" Clinical Hospital of Infectious Diseases, Galati, Romania.,Clinical Medical Department, Faculty of Medicine and Pharmacy, "Dunarea de Jos" University, Galati, Romania.,Multidisciplinary Integrated Center of Dermatological Interface Research (MIC-DIR) [Centrul Integrat Multi disciplinar de Cercetare de Interfata Dermatologica (CIM-CID)], Galați, Romania
| | - Thomas Nadasdy
- Multidisciplinary Integrated Center of Dermatological Interface Research (MIC-DIR) [Centrul Integrat Multi disciplinar de Cercetare de Interfata Dermatologica (CIM-CID)], Galați, Romania.,Dermatology Department, Municipal Emergency Hospital, Timişoara, Romania
| | - Anca Arbune
- Neurology Department, Fundeni Clinical Institute, Bucharest, Romania
| | - Valentin Chioncel
- Neurology Department, "Bagdasar-Arseni" Emergency Clinical Hospital, Bucharest, Romania
| | - Carmen Bobeica
- Department of Morphological and Functional Sciences, Faculty of Medicine and Pharmacy, "Dunărea de Jos" University, Galați, Romania
| | - Elena Niculet
- Multidisciplinary Integrated Center of Dermatological Interface Research (MIC-DIR) [Centrul Integrat Multi disciplinar de Cercetare de Interfata Dermatologica (CIM-CID)], Galați, Romania
| | - Alina Viorica Iancu
- Department of Morphological and Functional Sciences, Faculty of Medicine and Pharmacy, "Dunărea de Jos" University, Galați, Romania
| | - Caterina Dumitru
- Pharmaceutical Sciences Department, Faculty of Medicine and Pharmacy, "Dunarea de Jos" University, Galati, Romania
| | - Valentin Tudor Popa
- Multidisciplinary Integrated Center of Dermatological Interface Research (MIC-DIR) [Centrul Integrat Multi disciplinar de Cercetare de Interfata Dermatologica (CIM-CID)], Galați, Romania.,Dermatology Department, Center for the Morphologic Study of the Skin MORPHODERM, "Victor Babeș" University of Medicine and Pharmacy, Timișoara, Romania
| | - Nicolas Kluger
- Department of Dermatology, Allergology and Venereology, Helsinki University Central Hospital and University of Helsinki, Helsinki, Finland.,Apolo Medical Center, Bucharest, Romania
| | | | - Claudiu Ionut Vasile
- Clinical Medical Department, Faculty of Medicine and Pharmacy, "Dunarea de Jos" University, Galati, Romania
| | - Cristian Onisor
- Department of Morphological and Functional Sciences, Faculty of Medicine and Pharmacy, "Dunărea de Jos" University, Galați, Romania
| | - Alexandru Nechifor
- Clinical Medical Department, Faculty of Medicine and Pharmacy, "Dunarea de Jos" University, Galati, Romania
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8
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Rao X, Hua F, Zhang L, Lin Y, Fang P, Chen S, Ying J, Wang X. Dual roles of interleukin-33 in cognitive function by regulating central nervous system inflammation. J Transl Med 2022; 20:369. [PMID: 35974336 PMCID: PMC9382782 DOI: 10.1186/s12967-022-03570-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Accepted: 08/04/2022] [Indexed: 12/13/2022] Open
Abstract
With the advent of an aging society, the incidence of dementia is increasing, resulting in a vast burden on society. It is increasingly acknowledged that neuroinflammation is implicated in various neurological diseases with cognitive dysfunction such as Alzheimer’s disease, multiple sclerosis, ischemic stroke, traumatic brain injury, and central nervous system infections. As an important neuroinflammatory factor, interleukin-33 (IL-33) is highly expressed in various tissues and cells in the mammalian brain, where it plays a role in the pathogenesis of a number of central nervous system conditions. Reams of previous studies have shown that IL-33 has both pro- and anti-inflammatory effects, playing dual roles in the progression of diseases linked to cognitive impairment by regulating the activation and polarization of immune cells, apoptosis, and synaptic plasticity. This article will summarize the current findings on the effects IL-33 exerts on cognitive function by regulating neuroinflammation, and attempt to explore possible therapeutic strategies for cognitive disorders based on the adverse and protective mechanisms of IL-33.
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Affiliation(s)
- Xiuqin Rao
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China.,Key Laboratory of Anesthesiology of Jiangxi Province, 1# Minde Road, Nanchang, 330006, Jiangxi, People's Republic of China
| | - Fuzhou Hua
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China.,Key Laboratory of Anesthesiology of Jiangxi Province, 1# Minde Road, Nanchang, 330006, Jiangxi, People's Republic of China
| | - Lieliang Zhang
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China.,Key Laboratory of Anesthesiology of Jiangxi Province, 1# Minde Road, Nanchang, 330006, Jiangxi, People's Republic of China
| | - Yue Lin
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China.,Key Laboratory of Anesthesiology of Jiangxi Province, 1# Minde Road, Nanchang, 330006, Jiangxi, People's Republic of China
| | - Pu Fang
- Department of Neurology, The First Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China
| | - Shoulin Chen
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China.,Key Laboratory of Anesthesiology of Jiangxi Province, 1# Minde Road, Nanchang, 330006, Jiangxi, People's Republic of China
| | - Jun Ying
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China.,Key Laboratory of Anesthesiology of Jiangxi Province, 1# Minde Road, Nanchang, 330006, Jiangxi, People's Republic of China
| | - Xifeng Wang
- Department of Anesthesiology, The First Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China.
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9
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Zhuang X, Zhan B, Jia Y, Li C, Wu N, Zhao M, Chen N, Guo Y, Du Y, Zhang Y, Cao B, Li Y, Zhu F, Guo C, Wang Q, Li Y, Zhang L. IL-33 in the basolateral amygdala integrates neuroinflammation into anxiogenic circuits via modulating BDNF expression. Brain Behav Immun 2022; 102:98-109. [PMID: 35181439 DOI: 10.1016/j.bbi.2022.02.019] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 02/10/2022] [Accepted: 02/13/2022] [Indexed: 12/13/2022] Open
Abstract
Hyper-inflammatory reaction plays a crucial role in the pathophysiology of depression and anxiety disorders. However, the mechanisms underlying inflammation-induced anxiety changes remain poorly understood. Here, we showed that in the lipopolysaccharide (LPS)-induced anxiety model, Interleukin (IL)-33, a member of the IL-1 family, was up-regulated in the basolateral amygdala, and IL-33 deficiency prevent anxiety-like behavior. Overexpression of IL-33 in amygdalar astrocytes led to anxiety-like response via repressing brain-derived neurotrophic factor (BDNF) expression. Mechanically, IL-33 suppressed BDNF expression through NF-κB pathway to impair GABAergic transmission in the amygdala and NF-κB inhibitor abolished the effect of IL-33 on anxiety. Administration of an inverse GABAA receptor agonist increased the anxiety of IL-33- deficient mice. These results reveal that inflammatory response can activate anxiogenic circuits by suppressing BDNF and GABAergic neurons transmission, suggesting that IL-33 in basolateral amygdalar is a linker between inflammation and anxiety.
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Affiliation(s)
- Xiao Zhuang
- Shandong Key Laboratory of Infection and Immunity, Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, China
| | - Bing Zhan
- Shandong Key Laboratory of Infection and Immunity, Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, China
| | - Yufeng Jia
- Shandong Key Laboratory of Infection and Immunity, Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, China
| | - Chaoze Li
- Shandong Key Laboratory of Infection and Immunity, Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, China
| | - Nan Wu
- Shandong Key Laboratory of Infection and Immunity, Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, China
| | - Ming Zhao
- Shandong Key Laboratory of Infection and Immunity, Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, China; Department of Pathogenic Biology, School of Basic Medical Science, Shandong University, Jinan, Shandong, China
| | - Nuo Chen
- Shandong Key Laboratory of Infection and Immunity, Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, China
| | - Yaxin Guo
- Shandong Key Laboratory of Infection and Immunity, Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, China
| | - Yingxin Du
- Shandong Key Laboratory of Infection and Immunity, Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, China
| | - Yi Zhang
- Shandong Key Laboratory of Infection and Immunity, Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, China
| | - Baihui Cao
- Shandong Key Laboratory of Infection and Immunity, Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, China
| | - Yan Li
- Department of Pathogenic Biology, School of Basic Medical Science, Shandong University, Jinan, Shandong, China
| | - Faliang Zhu
- Shandong Key Laboratory of Infection and Immunity, Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, China
| | - Chun Guo
- Shandong Key Laboratory of Infection and Immunity, Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, China
| | - Qun Wang
- Shandong Key Laboratory of Infection and Immunity, Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, China
| | - Yuan Li
- Shandong Key Laboratory of Infection and Immunity, Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, China.
| | - Lining Zhang
- Shandong Key Laboratory of Infection and Immunity, Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, China.
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10
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Li X, Hu X, Jiang Y, Wang D, Wang T, Li B. Autonomic behavioral impairment induced by simazine exposure during early life of male mouse is mediated by Lmx1a/Wnt1 pathway. ENVIRONMENTAL TOXICOLOGY 2022; 37:776-788. [PMID: 34936186 DOI: 10.1002/tox.23442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 12/06/2021] [Accepted: 12/11/2021] [Indexed: 06/14/2023]
Abstract
Simazine is a widely used herbicide and known as an environmental estrogen. Multiple studies have proved simazine can induced the degeneration of dopaminergic neuron resulting in a degenerative disease-like syndrome. Herein, we explored the neurotoxicity of simazine on the dopaminergic nervous system of embryos and weaned offspring during the maternal gestation period or the maternal gestation and lactation periods. We found that simazine disturbed the crucial components expression involved in Lmx1a/Wnt1 pathway of dopaminergic neuron in embryonic and weaned offspring. Furthermore, morphological and behavioral tests performed on weaned male offspring treated by simazine suggested that the grip strength, autonomic exploring, and the space sense ability were weakened, as well as the pathological damage of dopaminergic neuron was clearly observed. But, the same neurotoxicity of simazine is less significantly observed in female offspring. Our findings will provide reliable reference for the determination of environmental limits and new insight into the pathogenesis of nonfamilial neurodegenerative diseases related to environmental risk factors.
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Affiliation(s)
- Xueting Li
- Department of Hygienic Toxicology, College of Public Health, Harbin Medical University, Harbin, China
- Department of Epidemiology, College of Public Health, Harbin Medical University, Harbin, China
| | - Xiaomeng Hu
- Department of Hygienic Toxicology, College of Public Health, Harbin Medical University, Harbin, China
| | - Yujia Jiang
- Department of Hygienic Toxicology, College of Public Health, Harbin Medical University, Harbin, China
| | - Dandan Wang
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, China
| | - Ting Wang
- Department of Hygienic Toxicology, College of Public Health, Harbin Medical University, Harbin, China
| | - Baixiang Li
- Department of Hygienic Toxicology, College of Public Health, Harbin Medical University, Harbin, China
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11
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Kimura Y, Hayashi Y, Hitomi S, Ikutame D, Urata K, Shibuta I, Sakai A, Ni J, Iwata K, Tonogi M, Shinoda M. IL-33 induces orofacial neuropathic pain through Fyn-dependent phosphorylation of GluN2B in the trigeminal spinal subnucleus caudalis. Brain Behav Immun 2022; 99:266-280. [PMID: 34715301 DOI: 10.1016/j.bbi.2021.10.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 10/14/2021] [Accepted: 10/19/2021] [Indexed: 12/12/2022] Open
Abstract
Orofacial neuropathic pain can cause considerable disruptions in patients' daily lives, especially because of a lack of effective medications as its underlying causative mechanisms are not fully understood. Here, we found neuron-specific expression of the interleukin (IL)-33 receptor in the trigeminal spinal subnucleus caudalis (Vc), distinct from the spinal dorsal horn. Reduction in head withdrawal threshold in response to von Frey filament stimulation of the whisker pad skin was inversely correlated with the upregulation of IL-33 in the Vc after infraorbital nerve injury (IONI). Neutralization of IL-33 in the Vc alleviated mechanical allodynia in the whisker pad skin after IONI; conversely, intracisternal administration of IL-33 elicited mechanical allodynia in the whisker pad skin, which was relieved by GluN2B antagonism. Moreover, IL-33 triggered the potentiation of GluN2B-containing N-methyl-D-aspartate receptor-mediated synaptic currents and phosphorylation of synaptosomal GluN2B in the Vc, whereas IONI-induced GluN2B phosphorylation was inhibited by neutralization of IL-33 in the Vc. IL-33-induced GluN2B phosphorylation was mediated by phosphorylation of Fyn kinase, and inhibition of the Fyn kinase pathway prevented the development of IL-33-induced mechanical allodynia. Our findings provide insights into a new mechanism by which IL-33 directly regulates synaptic transmission and suggest that IL-33 signaling could be a candidate target for therapeutic interventions for orofacial neuropathic pain.
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Affiliation(s)
- Yuki Kimura
- Department of Oral and Maxillofacial Surgery, Nihon University School of Dentistry, Tokyo, Japan
| | - Yoshinori Hayashi
- Department of Physiology, Nihon University School of Dentistry, Tokyo, Japan.
| | - Suzuro Hitomi
- Department of Physiology, Nihon University School of Dentistry, Tokyo, Japan
| | - Daisuke Ikutame
- Department of Complete Denture Prosthodontics, Nihon University School of Dentistry, Tokyo, Japan
| | - Kentaro Urata
- Department of Complete Denture Prosthodontics, Nihon University School of Dentistry, Tokyo, Japan
| | - Ikuko Shibuta
- Department of Physiology, Nihon University School of Dentistry, Tokyo, Japan
| | - Atsushi Sakai
- Department of Pharmacology, Graduate School of Medicine, Nippon Medical School, Tokyo, Japan
| | - Junjun Ni
- Key Laboratory of Molecular Medicine and Biotherapy in the Ministry of Industry and Information Technology, Department of Biology, School of Life Science, Beijing Institute of Technology, Beijing, China
| | - Koichi Iwata
- Department of Physiology, Nihon University School of Dentistry, Tokyo, Japan
| | - Morio Tonogi
- Department of Oral and Maxillofacial Surgery, Nihon University School of Dentistry, Tokyo, Japan
| | - Masamichi Shinoda
- Department of Physiology, Nihon University School of Dentistry, Tokyo, Japan
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12
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Role of IL-33/ST2 Axis in Chronic Inflammatory Neurological Disorderss. SERBIAN JOURNAL OF EXPERIMENTAL AND CLINICAL RESEARCH 2021. [DOI: 10.2478/sjecr-2020-0038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Abstract
Interleukin-33 (IL-33) is a member of IL-1 family of cytokines, produced constitutively by fibroblasts, endothelial cells, and epithelial cells. IL-33 can be released passively from cells during tissue damage and cell necrosis, suggesting that it may act as an alarmin. Function of IL-33 is mediated by its interaction with ST2 molecule that is expressed on many immune cells: Th2 lymphocytes, NK, NKT and mast cells, monocytes, dendritic cells and granulocytes. IL-33/ST2 pathway plays, often dual, roles in different physiological and inflammatory processes, mediating both, pathological immune responses and tissue repair. Expression of IL-33 in the central nervous system (CNS) is significantly enhanced during various pathological processes, indicating its important role in the pathogenesis of neurological inflammatory and degenerative diseases. In this review the biological features, expression of IL-33 and its ligand ST2 in CNS, and the role of IL- 33/ST2 pathway in development of Alzheimer’s disease and multiple sclerosis are discussed.
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13
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Villain N, Béra G, Habert MO, Kas A, Aubert J, Jaubert O, Valabregue R, Fernandez-Vidal S, Corvol JC, Mangone G, Lehéricy S, Vidailhet M, Grabli D. Dopamine denervation in the functional territories of the striatum: a new MR and atlas-based 123I-FP-CIT SPECT quantification method. J Neural Transm (Vienna) 2021; 128:1841-1852. [PMID: 34704162 DOI: 10.1007/s00702-021-02434-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Accepted: 10/21/2021] [Indexed: 11/30/2022]
Abstract
Current quantification methods of 123I-FP-CIT SPECT rely on anatomical parcellation of the striatum. We propose here to implement a new method based on MRI segmentation and functional atlas of the basal ganglia (MR-ATLAS) that could provide a reliable quantification within the sensorimotor, associative, and limbic territories of the striatum. Patients with Parkinson's disease (PD), idiopathic rapid eye movement sleep behavioral disorder (iRBD), and healthy controls underwent 123I-FP-CIT SPECT, MRI, motor, and cognitive assessments. SPECT data were corrected for partial volume effects and registered to a functional atlas of the striatum to allow quantification in every functional region of the striatum (nucleus accumbens, limbic, associative, and sensorimotor parts of the striatum). The MR-ATLAS quantification method is proved to be reliable in every territory of the striatum. In addition, good correlations were found between cognitive dysexecutive tests and the binding within the functional (limbic) territories of the striatum using the MR-ATLAS method, slightly better than correlations found using the anatomical quantification method. This new MR-ATLAS method provides a robust and useful tool for studying the dopaminergic system in PD, particularly with respect to cognitive functions. It may also be relevant to further unravel the relationship between dopaminergic denervation and cognitive or behavioral symptoms.
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Affiliation(s)
- Nicolas Villain
- Department of Neurology, AP-HP Sorbonne Université, Hôpital Pitié-Salpêtrière, 47-83 boulevard de l'Hôpital, 75651, Paris Cedex 13, France. .,Institut du Cerveau, ICM, Sorbonne Université, INSERM U1127, CNRS 7225, Paris, France.
| | - G Béra
- Institut du Cerveau, ICM, Sorbonne Université, INSERM U1127, CNRS 7225, Paris, France.,Department of Nuclear Medicine, AP-HP Sorbonne Université, Hôpital Pitié-Salpêtrière, Paris, France
| | - M-O Habert
- Institut du Cerveau, ICM, Sorbonne Université, INSERM U1127, CNRS 7225, Paris, France.,Department of Nuclear Medicine, AP-HP Sorbonne Université, Hôpital Pitié-Salpêtrière, Paris, France.,Laboratoire d'Imagerie Biomédicale, LIB, Sorbonne Université, CNRS, INSERM, Paris, France
| | - A Kas
- Institut du Cerveau, ICM, Sorbonne Université, INSERM U1127, CNRS 7225, Paris, France.,Department of Nuclear Medicine, AP-HP Sorbonne Université, Hôpital Pitié-Salpêtrière, Paris, France.,Laboratoire d'Imagerie Biomédicale, LIB, Sorbonne Université, CNRS, INSERM, Paris, France
| | - J Aubert
- Institut du Cerveau, ICM, Sorbonne Université, INSERM U1127, CNRS 7225, Paris, France
| | - O Jaubert
- Institut du Cerveau, ICM, Sorbonne Université, INSERM U1127, CNRS 7225, Paris, France
| | - R Valabregue
- Institut du Cerveau, ICM, Sorbonne Université, INSERM U1127, CNRS 7225, Paris, France
| | - S Fernandez-Vidal
- Institut du Cerveau, ICM, Sorbonne Université, INSERM U1127, CNRS 7225, Paris, France
| | - J-C Corvol
- Department of Neurology, AP-HP Sorbonne Université, Hôpital Pitié-Salpêtrière, 47-83 boulevard de l'Hôpital, 75651, Paris Cedex 13, France.,Institut du Cerveau, ICM, Sorbonne Université, INSERM U1127, CNRS 7225, Paris, France
| | - G Mangone
- Department of Neurology, AP-HP Sorbonne Université, Hôpital Pitié-Salpêtrière, 47-83 boulevard de l'Hôpital, 75651, Paris Cedex 13, France.,Institut du Cerveau, ICM, Sorbonne Université, INSERM U1127, CNRS 7225, Paris, France
| | - S Lehéricy
- Institut du Cerveau, ICM, Sorbonne Université, INSERM U1127, CNRS 7225, Paris, France.,Department of Neuroradiology, AP-HP Sorbonne Université, Hôpital Pitié-Salpêtrière, Paris, France
| | - M Vidailhet
- Department of Neurology, AP-HP Sorbonne Université, Hôpital Pitié-Salpêtrière, 47-83 boulevard de l'Hôpital, 75651, Paris Cedex 13, France.,Institut du Cerveau, ICM, Sorbonne Université, INSERM U1127, CNRS 7225, Paris, France
| | - D Grabli
- Department of Neurology, AP-HP Sorbonne Université, Hôpital Pitié-Salpêtrière, 47-83 boulevard de l'Hôpital, 75651, Paris Cedex 13, France.,Institut du Cerveau, ICM, Sorbonne Université, INSERM U1127, CNRS 7225, Paris, France
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14
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Salcman B, Affleck K, Bulfone-Paus S. P2X Receptor-Dependent Modulation of Mast Cell and Glial Cell Activities in Neuroinflammation. Cells 2021; 10:cells10092282. [PMID: 34571930 PMCID: PMC8471135 DOI: 10.3390/cells10092282] [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: 07/13/2021] [Revised: 08/23/2021] [Accepted: 08/30/2021] [Indexed: 11/27/2022] Open
Abstract
Localisation of mast cells (MCs) at the abluminal side of blood vessels in the brain favours their interaction with glial cells, neurons, and endothelial cells, resulting in the activation of these cells and the release of pro-inflammatory mediators. In turn, stimulation of glial cells, such as microglia, astrocytes, and oligodendrocytes may result in the modulation of MC activities. MCs, microglia, astrocytes, and oligodendrocytes all express P2X receptors (P2XRs) family members that are selectively engaged by ATP. As increased concentrations of extracellular adenosine 5′-triphosphate (ATP) are present in the brain in neuropathological conditions, P2XR activation in MCs and glial cells contributes to the control of their communication and amplification of the inflammatory response. In this review we discuss P2XR-mediated MC activation, its bi-directional effect on microglia, astrocytes and oligodendrocytes and role in neuroinflammation.
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Affiliation(s)
- Barbora Salcman
- Lydia Becker Institute of Immunology and Inflammation, Manchester Collaborative Centre for Inflammation Research, University of Manchester, Manchester M13 9NT, UK;
| | - Karen Affleck
- GlaxoSmithKline, Immunology Research Unit, Stevenage SG1 2NY, UK;
| | - Silvia Bulfone-Paus
- Lydia Becker Institute of Immunology and Inflammation, Manchester Collaborative Centre for Inflammation Research, University of Manchester, Manchester M13 9NT, UK;
- Correspondence:
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15
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Zengeler KE, Lukens JR. Innate immunity at the crossroads of healthy brain maturation and neurodevelopmental disorders. Nat Rev Immunol 2021; 21:454-468. [PMID: 33479477 PMCID: PMC9213174 DOI: 10.1038/s41577-020-00487-7] [Citation(s) in RCA: 125] [Impact Index Per Article: 41.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/01/2020] [Indexed: 12/29/2022]
Abstract
The immune and nervous systems have unique developmental trajectories that individually build intricate networks of cells with highly specialized functions. These two systems have extensive mechanistic overlap and frequently coordinate to accomplish the proper growth and maturation of an organism. Brain resident innate immune cells - microglia - have the capacity to sculpt neural circuitry and coordinate copious and diverse neurodevelopmental processes. Moreover, many immune cells and immune-related signalling molecules are found in the developing nervous system and contribute to healthy neurodevelopment. In particular, many components of the innate immune system, including Toll-like receptors, cytokines, inflammasomes and phagocytic signals, are critical contributors to healthy brain development. Accordingly, dysfunction in innate immune signalling pathways has been functionally linked to many neurodevelopmental disorders, including autism and schizophrenia. This review discusses the essential roles of microglia and innate immune signalling in the assembly and maintenance of a properly functioning nervous system.
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Affiliation(s)
- Kristine E Zengeler
- Department of Neuroscience, Center for Brain Immunology and Glia (BIG), Charlottesville, VA, USA.
- Neuroscience Graduate Program, Charlottesville, VA, USA.
- Cell and Molecular Biology Training Program, School of Medicine, University of Virginia, Charlottesville, VA, USA.
| | - John R Lukens
- Department of Neuroscience, Center for Brain Immunology and Glia (BIG), Charlottesville, VA, USA.
- Neuroscience Graduate Program, Charlottesville, VA, USA.
- Cell and Molecular Biology Training Program, School of Medicine, University of Virginia, Charlottesville, VA, USA.
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16
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Sun Y, Wen Y, Wang L, Wen L, You W, Wei S, Mao L, Wang H, Chen Z, Yang X. Therapeutic Opportunities of Interleukin-33 in the Central Nervous System. Front Immunol 2021; 12:654626. [PMID: 34079543 PMCID: PMC8165230 DOI: 10.3389/fimmu.2021.654626] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Accepted: 05/04/2021] [Indexed: 01/14/2023] Open
Abstract
Interleukin-33 (IL-33), a member of the IL-1 cytokine family, is involved in various diseases. IL-33 exerts its effects via its heterodimeric receptor complex, which comprises suppression of tumorigenicity 2 (ST2) and the IL-1 receptor accessory protein (IL-1RAP). Increasing evidence has demonstrated that IL-33/ST2 signaling plays diverse but crucial roles in the homeostasis of the central nervous system (CNS) and the pathogenesis of CNS diseases, including neurodegenerative diseases, cerebrovascular diseases, infection, trauma, and ischemic stroke. In the current review, we focus on the functional roles and cellular signaling mechanisms of IL-33 in the CNS and evaluate the potential for diagnostic and therapeutic applications.
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Affiliation(s)
- Yun Sun
- Department of Rehabilitation Medicine, The First Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Yankai Wen
- Department of Anesthesiology, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Luxi Wang
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Liang Wen
- Department of Neurosurgery, The First Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Wendong You
- Department of Neurosurgery, The First Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Shuang Wei
- Department of Rehabilitation Medicine, The First Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Lin Mao
- Department of Rehabilitation Medicine, The First Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Hao Wang
- Department of Neurosurgery, The First Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Zuobing Chen
- Department of Rehabilitation Medicine, The First Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Xiaofeng Yang
- Department of Neurosurgery, The First Affiliated Hospital, Zhejiang University, Hangzhou, China
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17
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Xie D, Liu H, Xu F, Su W, Ye Q, Yu F, Austin TJ, Chen J, Hu X. IL33 (Interleukin 33)/ST2 (Interleukin 1 Receptor-Like 1) Axis Drives Protective Microglial Responses and Promotes White Matter Integrity After Stroke. Stroke 2021; 52:2150-2161. [PMID: 33902297 DOI: 10.1161/strokeaha.120.032444] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
[Figure: see text].
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Affiliation(s)
- Di Xie
- Department of Neurology, School of Medicine, University of Pittsburgh, PA (D.X., H.L., F.X., W.S., Q.Y., F.Y., T.J.A., J.C., X.H.)
| | - Huan Liu
- Department of Neurology, School of Medicine, University of Pittsburgh, PA (D.X., H.L., F.X., W.S., Q.Y., F.Y., T.J.A., J.C., X.H.)
| | - Fei Xu
- Geriatric Research, Education and Clinical Center, Veterans Affairs Pittsburgh Health Care System, Pittsburgh, PA (F.X., Q.Y., J.C., X.H.).,Department of Neurology, School of Medicine, University of Pittsburgh, PA (D.X., H.L., F.X., W.S., Q.Y., F.Y., T.J.A., J.C., X.H.)
| | - Wei Su
- Department of Neurology, School of Medicine, University of Pittsburgh, PA (D.X., H.L., F.X., W.S., Q.Y., F.Y., T.J.A., J.C., X.H.)
| | - Qing Ye
- Geriatric Research, Education and Clinical Center, Veterans Affairs Pittsburgh Health Care System, Pittsburgh, PA (F.X., Q.Y., J.C., X.H.).,Department of Neurology, School of Medicine, University of Pittsburgh, PA (D.X., H.L., F.X., W.S., Q.Y., F.Y., T.J.A., J.C., X.H.)
| | - Fang Yu
- Department of Neurology, School of Medicine, University of Pittsburgh, PA (D.X., H.L., F.X., W.S., Q.Y., F.Y., T.J.A., J.C., X.H.)
| | - Taylor J Austin
- Department of Neurology, School of Medicine, University of Pittsburgh, PA (D.X., H.L., F.X., W.S., Q.Y., F.Y., T.J.A., J.C., X.H.)
| | - Jun Chen
- Geriatric Research, Education and Clinical Center, Veterans Affairs Pittsburgh Health Care System, Pittsburgh, PA (F.X., Q.Y., J.C., X.H.).,Department of Neurology, School of Medicine, University of Pittsburgh, PA (D.X., H.L., F.X., W.S., Q.Y., F.Y., T.J.A., J.C., X.H.)
| | - Xiaoming Hu
- Geriatric Research, Education and Clinical Center, Veterans Affairs Pittsburgh Health Care System, Pittsburgh, PA (F.X., Q.Y., J.C., X.H.).,Department of Neurology, School of Medicine, University of Pittsburgh, PA (D.X., H.L., F.X., W.S., Q.Y., F.Y., T.J.A., J.C., X.H.)
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18
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Dal-Pizzol F, de Medeiros GF, Michels M, Mazeraud A, Bozza FA, Ritter C, Sharshar T. What Animal Models Can Tell Us About Long-Term Psychiatric Symptoms in Sepsis Survivors: a Systematic Review. Neurotherapeutics 2021; 18:1393-1413. [PMID: 33410107 PMCID: PMC8423874 DOI: 10.1007/s13311-020-00981-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/23/2020] [Indexed: 02/06/2023] Open
Abstract
Lower sepsis mortality rates imply that more patients are discharged from the hospital, but sepsis survivors often experience sequelae, such as functional disability, cognitive impairment, and psychiatric morbidity. Nevertheless, the mechanisms underlying these long-term disabilities are not fully understood. Considering the extensive use of animal models in the study of the pathogenesis of neuropsychiatric disorders, it seems adopting this approach to improve our knowledge of postseptic psychiatric symptoms is a logical approach. With the purpose of gathering and summarizing the main findings of studies using animal models of sepsis-induced psychiatric symptoms, we performed a systematic review of the literature on this topic. Thus, 140 references were reviewed, and most of the published studies suggested a time-dependent recovery from behavior alterations, despite the fact that some molecular alterations persist in the brain. This review reveals that animal models can be used to understand the mechanisms that underlie anxiety and depression in animals recovering from sepsis.
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Affiliation(s)
- Felipe Dal-Pizzol
- Laboratório de Fisiopatologia Experimental, Programa de Pós-Graduação em Ciências da Saúde, Universidade do Extremo Sul Catarinense, 88806-000 Criciúma, Brazil
| | | | - Monique Michels
- Laboratório de Fisiopatologia Experimental, Programa de Pós-Graduação em Ciências da Saúde, Universidade do Extremo Sul Catarinense, 88806-000 Criciúma, Brazil
| | - Aurélien Mazeraud
- Laboratory of Experimental Neuropathology, Institut Pasteur, 75015 Paris, France
| | - Fernando Augusto Bozza
- Laboratório de Medicina Intensiva, Instituto Nacional de Infectologia Evandro Chagas (INI), Fundação Oswaldo Cruz (FIOCRUZ), 21040-360 Rio de Janeiro, Brazil
| | - Cristiane Ritter
- Laboratório de Fisiopatologia Experimental, Programa de Pós-Graduação em Ciências da Saúde, Universidade do Extremo Sul Catarinense, 88806-000 Criciúma, Brazil
| | - Tarek Sharshar
- Laboratoire de Neuropathologie Expérimentale, Institut Pasteur, 75015 Paris, France
- Laboratory of Experimental Neuropathology, Institut Pasteur, 75015 Paris, France
- Department of Neuro-Intensive Care Medicine, Sainte-Anne Hospital, Paris-Descartes University, 75015 Paris, France
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19
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IL-33 in Mental Disorders. ACTA ACUST UNITED AC 2021; 57:medicina57040315. [PMID: 33810498 PMCID: PMC8066291 DOI: 10.3390/medicina57040315] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 03/22/2021] [Accepted: 03/24/2021] [Indexed: 01/05/2023]
Abstract
Mental disorders are common in the general population; every year about 25% of the total European population is affected by a mental condition. The prevalence of psychiatric disorders might be underestimated. Emerging evidence highlights the role of immune response as a key factor in MDs. Immunological biomarkers seem to be related to illness progression and to treatment effectiveness; several studies suggest strong associations among IL-6, TNFa, S100b, IL 1b, and PCR with affective or schizophrenic disorders. The purpose of this review is to examine and to understand the possible link between mental disorders and interleukin 33 to clarify the role of this axis in the immune system. We found 13 research papers that evaluated interleukin 33 or interleukin 31 levels in subjects affected by mental disorders. Eight studies investigated cytokines in affective disorders. Three studies measured levels of IL-33 in schizophrenia and two studies focused on patients affected by autism spectrum disorders. Alterations in brain structure and neurodevelopmental outcome are affected by multiple levels of organization. Disorders of the autoimmune response, and of the IL-33/31 axis, may therefore be one of the factors involved in this process. These results support the evidence that alarmins, particularly the IL-33/31 axis, need more consideration among researchers and practitioners.
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20
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Klegeris A. Regulation of neuroimmune processes by damage- and resolution-associated molecular patterns. Neural Regen Res 2021; 16:423-429. [PMID: 32985460 PMCID: PMC7996015 DOI: 10.4103/1673-5374.293134] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Sterile inflammatory processes are essential for the maintenance of central nervous system homeostasis, but they also contribute to various neurological disorders, including neurotrauma, stroke, and demyelinating or neurodegenerative diseases. Immune mechanisms in the central nervous system and periphery are regulated by a diverse group of endogenous proteins, which can be broadly divided into the pro-inflammatory damage-associated molecular patterns (DAMPs) and anti-inflammatory resolution-associated molecular patterns (RAMPs), even though there is notable overlap between the DAMP- and RAMP-like activities for some of these molecules. Both groups of molecular patterns were initially described in peripheral immune processes and pathologies; however, it is now evident that at least some, if not all, of these immunomodulators also regulate neuroimmune processes and contribute to neuroinflammation in diverse central nervous system disorders. The review of recent literature demonstrates that studies on DAMPs and RAMPs of the central nervous system still lag behind the much broader research effort focused on their peripheral counterparts. Nevertheless, this review also reveals that over the last five years, significant advances have been made in our understanding of the neuroimmune functions of several well-established DAMPs, including high-mobility group box 1 protein and interleukin 33. Novel neuroimmune functions have been demonstrated for other DAMPs that previously were considered almost exclusively as peripheral immune regulators; they include mitochondrial transcription factor A and cytochrome C. RAMPs of the central nervous system are an emerging area of neuroimmunology with very high translational potential since some of these molecules have already been used in preclinical and clinical studies as candidate therapeutic agents for inflammatory conditions, such as multiple sclerosis and rheumatoid arthritis. The therapeutic potential of DAMP antagonists and neutralizing antibodies in central nervous system neuroinflammatory diseases is also supported by several of the identified studies. It can be concluded that further studies of DAMPs and RAMPs of the central nervous system will continue to be an important and productive field of neuroimmunology.
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Affiliation(s)
- Andis Klegeris
- Department of Biology, University of British Columbia Okanagan Campus, Kelowna, BC, Canada
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21
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Astrocyte-secreted IL-33 mediates homeostatic synaptic plasticity in the adult hippocampus. Proc Natl Acad Sci U S A 2020; 118:2020810118. [PMID: 33443211 PMCID: PMC7817131 DOI: 10.1073/pnas.2020810118] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Synaptic plasticity in the hippocampus is important for learning and memory formation. In particular, homeostatic synaptic plasticity enables neurons to restore their activity levels in response to chronic neuronal activity changes. While astrocytes modulate synaptic functions via the secretion of factors, the underlying molecular mechanisms remain unclear. Here, we show that suppression of hippocampal neuronal activity increases cytokine IL-33 release from astrocytes in the CA1 region. Activation of IL-33 and its neuronal ST2 receptor complex promotes functional excitatory synapse formation. Moreover, IL-33/ST2 signaling is important for the neuronal activity blockade-induced increase of CA1 excitatory synapses in vivo and spatial memory formation. This study suggests that astrocyte-secreted IL-33 acts as a negative feedback control signal to regulate hippocampal homeostatic synaptic plasticity. Hippocampal synaptic plasticity is important for learning and memory formation. Homeostatic synaptic plasticity is a specific form of synaptic plasticity that is induced upon prolonged changes in neuronal activity to maintain network homeostasis. While astrocytes are important regulators of synaptic transmission and plasticity, it is largely unclear how they interact with neurons to regulate synaptic plasticity at the circuit level. Here, we show that neuronal activity blockade selectively increases the expression and secretion of IL-33 (interleukin-33) by astrocytes in the hippocampal cornu ammonis 1 (CA1) subregion. This IL-33 stimulates an increase in excitatory synapses and neurotransmission through the activation of neuronal IL-33 receptor complex and synaptic recruitment of the scaffold protein PSD-95. We found that acute administration of tetrodotoxin in hippocampal slices or inhibition of hippocampal CA1 excitatory neurons by optogenetic manipulation increases IL-33 expression in CA1 astrocytes. Furthermore, IL-33 administration in vivo promotes the formation of functional excitatory synapses in hippocampal CA1 neurons, whereas conditional knockout of IL-33 in CA1 astrocytes decreases the number of excitatory synapses therein. Importantly, blockade of IL-33 and its receptor signaling in vivo by intracerebroventricular administration of its decoy receptor inhibits homeostatic synaptic plasticity in CA1 pyramidal neurons and impairs spatial memory formation in mice. These results collectively reveal an important role of astrocytic IL-33 in mediating the negative-feedback signaling mechanism in homeostatic synaptic plasticity, providing insights into how astrocytes maintain hippocampal network homeostasis.
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Abstract
Fetal neurodevelopment in utero is profoundly shaped by both systemic maternal immunity and local processes at the maternal-fetal interface. Immune pathways are a critical participant in the normal physiology of pregnancy and perturbations of maternal immunity due to infections during this period have been increasingly linked to a diverse array of poor neurological outcomes, including diseases that manifest much later in postnatal life. While experimental models of maternal immune activation (MIA) have provided groundbreaking characterizations of the maternal pathways underlying pathogenesis, less commonly examined are the immune factors that serve pathogen-independent developmental functions in the embryo and fetus. In this review, we explore what is known about the in vivo role of immune factors in fetal neurodevelopment during normal pregnancy and provide an overview of how MIA perturbs the proper orchestration of this sequence of events. Finally, we discuss how the dysregulation of immune factors may contribute to the manifestation of a variety of neurological disorders.
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Affiliation(s)
- Alice Lu-Culligan
- Department of Immunobiology, Yale School of Medicine, Yale University, New Haven, Connecticut 06519, USA
| | - Akiko Iwasaki
- Department of Immunobiology, Yale School of Medicine, Yale University, New Haven, Connecticut 06519, USA.,Department of Molecular, Cellular, and Developmental Biology, Yale University, New Haven, Connecticut 06519, USA; .,Howard Hughes Medical Institute, Yale University, New Haven, Connecticut 06519, USA
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Zharichenko N, Njoku DB. The Role of Pro-Inflammatory and Regulatory Signaling by IL-33 in the Brain and Liver: A Focused Systematic Review of Mouse and Human Data and Risk of Bias Assessment of the Literature. Int J Mol Sci 2020; 21:ijms21113933. [PMID: 32486265 PMCID: PMC7312033 DOI: 10.3390/ijms21113933] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 05/25/2020] [Accepted: 05/26/2020] [Indexed: 12/12/2022] Open
Abstract
Interleukin (IL)-33 is a member of the IL-1 family of proteins that have multiple roles in organ-specific inflammation. Many studies suggest diagnostic and therapeutic implications of this cytokine. Many studies have reported pro-inflammatory roles for IL-33 in innate immune responses involving the heart and lung. Recent studies also describe pro-inflammatory and regulatory roles for IL-33 in the pathogenesis of brain and liver disorders in addition to regulatory roles for this cytokine in the heart and lung. In this focused systematic review, we will review the literature regarding pro-inflammatory and regulatory effects of IL-33 in the brain and liver. We will also assess the potential risk of bias in the published literature in order to uncover gaps in the knowledge that will be useful for the scientific community. We utilized guidelines set by preferred reporting items for systemic reviews and meta-analyses. The electronic database was PubMed. Eligibility criteria included organ-specific inflammation in mice and humans, organ-specific inflammation in the central nervous and hepatic systems, and IL-33. Outcomes were pro-inflammatory or regulatory effects of IL-33. Risk of bias in individual studies and across studies was addressed by adapting the Cochrane Rob 2.0 tool. We discovered that a source of bias across the studies was a lack of randomization in human studies. Additionally, because the majority of studies were performed in mice, this could be perceived as a potential risk of bias. Regarding the central nervous system, roles for IL-33 in the development and maturation of neuronal circuits were reported; however, exact mechanisms by which this occurred were not elucidated. IL-33 was produced by astrocytes and endothelial cells while IL-33 receptors were expressed by microglia and astrocytes, demonstrating that these cells are first responders for IL-33; however, in the CNS, IL-33 seems to induce Th1 cytokines such as IL-1β and TNF-α chemokines such as RANTES, MCP-1, MIP-1α, and IP-10, as well as nitric oxide. In the liver, similar risks of bias were determined because of the lack of randomized controlled trials in humans and because the majority of studies were performed in mice. Interestingly, the strain of mouse utilized in the study seemed to affect the role of IL-33 in liver inflammation. Lastly, similar to the brain, IL-33 appeared to have ST2-independent regulatory functions in the liver. Our results reveal plausible gaps in what is known regarding IL-33 in the pathogenesis of brain and liver disorders. We highlight key studies in the lung and heart as examples of advancements that likely occurred because of countless basic and translational studies in this area. More research is needed in these areas in order to assess the diagnostic or therapeutic potential of IL-33 in these disorders.
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Affiliation(s)
- Nika Zharichenko
- Department of Anesthesiology and Critical Care Medicine Johns Hopkins University, Baltimore, MD 21287, USA;
| | - Dolores B. Njoku
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University, Baltimore, MD 21287, USA
- Department of Pediatrics, Johns Hopkins University, Baltimore, MD 21287, USA
- Department of Pathology, Johns Hopkins University, The Charlotte R. Bloomberg Childrens Center, 1800 Orleans Street, Suite 6349D, Baltimore, MD 21287, USA
- Correspondence: ; Tel.: +1-410-955-7610
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Kikuchi M, Takase K, Hayakawa M, Hayakawa H, Tominaga SI, Ohmori T. Altered behavior in mice overexpressing soluble ST2. Mol Brain 2020; 13:74. [PMID: 32393354 PMCID: PMC7216579 DOI: 10.1186/s13041-020-00606-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Accepted: 04/22/2020] [Indexed: 12/26/2022] Open
Abstract
Psychoneuroimmunological studies have clearly demonstrated that both cellular and humoral immunity are related to major depression. Soluble ST2 is regarded as a key molecule regulating immune system as well as cell proliferation. Indeed, soluble ST2 is reported to reduce IL-33-induced IL-6 and TNF-α production in macrophages and IL-33-induced IL-5 and IL-13 production in type 2 innate lymphoid cells. Elevated serum concentrations of soluble ST2 have been reported in patients with neuropsychiatric disorders, suggesting pathophysiological roles of soluble ST2 in behavioral phenotypes. Nevertheless, the relation between soluble ST2 and depressive behavior remain to be uncovered. To complement this point, we performed broad behavioral phenotyping, utilizing transgenic mice with a high concentration of serum ST2 in the present study. Soluble ST2 overexpression mice (ST2 Tg mice) were generated on a C3H/HeJ background. ST2 Tg mice crossed onto the BALB/c genetic background were used. Before starting tests, each mouse was observed in a clean cage for a general health check and neurological screening tests. In Experiment I, comprehensive behavioral phenotyping was performed to reveal the role of soluble ST2 on sensorimotor functions, anxiety-like behaviors, depression-like behaviors, social behaviors, and learning and memory functions. In Experiment II, to confirm the role of soluble ST2 on depression-like behaviors, a depression test battery (two bottle choice test, forced swimming test, and tail suspension test) was applied. The general health check indicated good general health and normal gross appearance for ST2 Tg mice. Further, the neurological reflexes of all the mice were normal. We found that soluble ST2 overexpression resulted in decreased social interaction. Moreover, depression-like behaviors of ST2 Tg mice were observed in two well-established behavioral paradigms, the forced swimming test and the tail suspension test. Nevertheless, hedonic reaction to sucrose was observed in ST2 Tg mice similar to WT mice. These results suggest the depression in the ST2 Tg mice. In conclusion, through a series of experiments, we established the animal model for assessing role of soluble ST2 in neuropsychiatric disorders, and revealed the possible involvement of soluble ST2 in depressive behavior.
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Affiliation(s)
- Motoshi Kikuchi
- Laboratory of Natural History, Jichi Medical University School of Medicine, Tochigi, Japan
| | - Kenkichi Takase
- Laboratory of Psychology, Jichi Medical University School of Medicine, Tochigi, Japan.
| | - Morisada Hayakawa
- Department of Biochemistry, Jichi Medical University School of Medicine, Tochigi, Japan
| | - Hiroko Hayakawa
- Department of Biochemistry, Jichi Medical University School of Medicine, Tochigi, Japan
| | - Shin-Ichi Tominaga
- Department of Biochemistry, Jichi Medical University School of Medicine, Tochigi, Japan.,Japan Association for Development of Community Medicine (JADECOM), 2-6-4 Hirakawacho, Chiyoda-ward, Tokyo, Japan
| | - Tsukasa Ohmori
- Department of Biochemistry, Jichi Medical University School of Medicine, Tochigi, Japan
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Ueno H, Takahashi Y, Suemitsu S, Murakami S, Kitamura N, Wani K, Matsumoto Y, Okamoto M, Ishihara T. Effects of repetitive gentle handling of male C57BL/6NCrl mice on comparative behavioural test results. Sci Rep 2020; 10:3509. [PMID: 32103098 PMCID: PMC7044437 DOI: 10.1038/s41598-020-60530-4] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2020] [Accepted: 02/05/2020] [Indexed: 02/08/2023] Open
Abstract
Mice are the most commonly used laboratory animals for studying diseases, behaviour, and pharmacology. Behavioural experiment battery aids in evaluating abnormal behaviour in mice. During behavioural experiments, mice frequently experience human contact. However, the effects of repeated handling on mice behaviour remains unclear. To minimise mice stress, methods of moving mice using transparent tunnels or cups have been recommended but are impractical in behavioural tests. To investigate these effects, we used a behavioural test battery to assess differences between mice accustomed to the experimenter’s handling versus control mice. Repeatedly handled mice gained slightly more weight than control mice. In behavioural tests, repeatedly handled mice showed improved spatial cognition in the Y-maze test and reduced anxiety-like behaviour in the elevated plus-maze test. However, there was no change in anxiety-like behaviour in the light/dark transition test or open-field test. Grip strength, rotarod, sociability, tail suspension, Porsolt forced swim, and passive avoidance tests revealed no significant differences between repeatedly handled and control mice. Our findings demonstrated that mice repeatedly handled by the experimenter before behavioural tests showed reduced anxiety about high altitudes and improved spatial cognition, suggesting that repeated contact can affect the results of some behavioural tests.
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Affiliation(s)
- Hiroshi Ueno
- Department of Medical Technology, Kawasaki University of Medical Welfare, Okayama, 701-0193, Japan.
| | - Yu Takahashi
- Department of Psychiatry, Kawasaki Medical School, Okayama, 701-0192, Japan
| | - Shunsuke Suemitsu
- Department of Psychiatry, Kawasaki Medical School, Okayama, 701-0192, Japan
| | - Shinji Murakami
- Department of Psychiatry, Kawasaki Medical School, Okayama, 701-0192, Japan
| | - Naoya Kitamura
- Department of Psychiatry, Kawasaki Medical School, Okayama, 701-0192, Japan
| | - Kenta Wani
- Department of Psychiatry, Kawasaki Medical School, Okayama, 701-0192, Japan
| | - Yosuke Matsumoto
- Department of Neuropsychiatry, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, 700-8558, Japan
| | - Motoi Okamoto
- Department of Medical Technology, Graduate School of Health Sciences, Okayama University, Okayama, 700-8558, Japan
| | - Takeshi Ishihara
- Department of Psychiatry, Kawasaki Medical School, Okayama, 701-0192, Japan
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Sung HY, Chen WY, Huang HT, Wang CY, Chang SB, Tzeng SF. Down-regulation of interleukin-33 expression in oligodendrocyte precursor cells impairs oligodendrocyte lineage progression. J Neurochem 2019; 150:691-708. [PMID: 31165473 DOI: 10.1111/jnc.14788] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2019] [Revised: 04/15/2019] [Accepted: 05/26/2019] [Indexed: 12/24/2022]
Abstract
Interleukin-33 (IL-33), a member of the IL1 family, has been found to be expressed in oligodendrocytes (OLGs) and released as an alarmin from injured OLGs to work on other glial cell-types in the central nervous system. However, its functional role in OLGs remains unclear. Herein, we present that IL-33 was mainly expressed in the nucleus of CC1+ -oligodendrocytes (OLGs) in mouse and rat corpus callosum, as well as NG2+ -oligodendrocyte precursor cells (OPCs). The in vitro study indicated that the amount of IL-33 expressing in OPCs was higher when compared to that detected in OLGs. Results from the experiments using lentivirus-mediated shRNA delivery against IL-33 expression (IL33-KD) in OPCs showed that IL33-KD reduced the differentiation of OLGs into mature OLGs along with the down-regulation of OLG differentiation-related genes and mature OLG marker proteins, myelin basic protein (MBP) and proteolipid protein (PLP). Alternatively, we observed reduced differentiation of OLGs that were prepared from the brains of IL-33 gene knockout (IL33-KO) mice with anxiolytic-like behavior. Observations were correlated with the results showing lower levels of MBP and PLP in IL33-KO cultures than those detected in the control cultures prepared from wildtype (WT) mice. Transmission Electron Microscopy (TEM) analysis revealed that the myelin structures in the corpus callosum of the IL33-KO mice were impaired compared to those observed in the WT mice. Overall, this study provides important evidence that declined expression of IL-33 in OPCs suppresses the maturation of OLGs. Moreover, gene deficiency of IL-33 can disrupt OLG maturation and interfere with myelin compaction. Cover Image for this issue: doi: 10.1111/jnc.14522.
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Affiliation(s)
- Hsin-Yu Sung
- Department of Life Sciences, College of Biological Science and Biotechnology, National Cheng Kung University, Tainan, Taiwan
| | - Wei-Yu Chen
- Institute for Translational Research in Biomedicine, Chang Gung Memorial Hospital, Kaohsiung, Taiwan
| | - Hui-Ting Huang
- Department of Life Sciences, College of Biological Science and Biotechnology, National Cheng Kung University, Tainan, Taiwan
| | - Chih-Yen Wang
- Department of Life Sciences, College of Biological Science and Biotechnology, National Cheng Kung University, Tainan, Taiwan
| | - Song-Bin Chang
- Department of Life Sciences, College of Biological Science and Biotechnology, National Cheng Kung University, Tainan, Taiwan
| | - Shun-Fen Tzeng
- Department of Life Sciences, College of Biological Science and Biotechnology, National Cheng Kung University, Tainan, Taiwan
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Fairlie-Clarke K, Barbour M, Wilson C, Hridi SU, Allan D, Jiang HR. Expression and Function of IL-33/ST2 Axis in the Central Nervous System Under Normal and Diseased Conditions. Front Immunol 2018; 9:2596. [PMID: 30515150 PMCID: PMC6255965 DOI: 10.3389/fimmu.2018.02596] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Accepted: 10/22/2018] [Indexed: 12/11/2022] Open
Abstract
Interleukin-33 (IL-33) is a well-recognized immunomodulatory cytokine which plays critical roles in tissue function and immune-mediated diseases. The abundant expression of IL-33 in brain and spinal cord prompted many scientists to explore its unique role in the central nervous system (CNS) under physiological and pathological conditions. Indeed emerging evidence from over a decade's research suggests that IL-33 acts as one of the key molecular signaling cues coordinating the network between the immune and CNS systems, particularly during the development of neurological diseases. Here, we highlight the recent advances in our knowledge regarding the distribution and cellular localization of IL-33 and its receptor ST2 in specific CNS regions, and more importantly the key roles IL-33/ST2 signaling pathway play in CNS function under normal and diseased conditions.
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Affiliation(s)
| | | | | | | | | | - Hui-Rong Jiang
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, United Kingdom
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28
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Pepper RE, Pitman KA, Cullen CL, Young KM. How Do Cells of the Oligodendrocyte Lineage Affect Neuronal Circuits to Influence Motor Function, Memory and Mood? Front Cell Neurosci 2018; 12:399. [PMID: 30524235 PMCID: PMC6262292 DOI: 10.3389/fncel.2018.00399] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Accepted: 10/17/2018] [Indexed: 12/11/2022] Open
Abstract
Oligodendrocyte progenitor cells (OPCs) are immature cells in the central nervous system (CNS) that can rapidly respond to changes within their environment by modulating their proliferation, motility and differentiation. OPCs differentiate into myelinating oligodendrocytes throughout life, and both cell types have been implicated in maintaining and modulating neuronal function to affect motor performance, cognition and emotional state. However, questions remain about the mechanisms employed by OPCs and oligodendrocytes to regulate circuit function, including whether OPCs can only influence circuits through their generation of new oligodendrocytes, or can play other regulatory roles within the CNS. In this review, we detail the molecular and cellular mechanisms that allow OPCs, newborn oligodendrocytes and pre-existing oligodendrocytes to regulate circuit function and ultimately influence behavioral outcomes.
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Affiliation(s)
- Renee E Pepper
- Menzies Institute for Medical Research, University of Tasmania, Hobart, TAS, Australia
| | - Kimberley A Pitman
- Menzies Institute for Medical Research, University of Tasmania, Hobart, TAS, Australia
| | - Carlie L Cullen
- Menzies Institute for Medical Research, University of Tasmania, Hobart, TAS, Australia
| | - Kaylene M Young
- Menzies Institute for Medical Research, University of Tasmania, Hobart, TAS, Australia
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García MDC, Pazos P, Lima L, Diéguez C. Regulation of Energy Expenditure and Brown/Beige Thermogenic Activity by Interleukins: New Roles for Old Actors. Int J Mol Sci 2018; 19:E2569. [PMID: 30158466 PMCID: PMC6164446 DOI: 10.3390/ijms19092569] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 08/24/2018] [Accepted: 08/25/2018] [Indexed: 12/16/2022] Open
Abstract
Obesity rates and the burden of metabolic associated diseases are escalating worldwide Energy burning brown and inducible beige adipocytes in human adipose tissues (ATs) have attracted considerable attention due to their therapeutic potential to counteract the deleterious metabolic effects of nutritional overload and overweight. Recent research has highlighted the relevance of resident and recruited ATs immune cell populations and their signalling mediators, cytokines, as modulators of the thermogenic activity of brown and beige ATs. In this review, we first provide an overview of the developmental, cellular and functional heterogeneity of the AT organ, as well as reported molecular switches of its heat-producing machinery. We also discuss the key contribution of various interleukins signalling pathways to energy and metabolic homeostasis and their roles in the biogenesis and function of brown and beige adipocytes. Besides local actions, attention is also drawn to their influence in the central nervous system (CNS) networks governing energy expenditure.
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Affiliation(s)
- María Del Carmen García
- Department of Physiology/Research Center of Molecular Medicine and Chronic Diseases (CIMUS), University of Santiago de Compostela, 15782 Santiago de Compostela, Spain.
- Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), 15706 Santiago de Compostela, Spain.
- CIBER Fisiopatología Obesidad y Nutrición (CB06/03), Instituto de Salud Carlos III (ISCIII, Ministerio de Economía y Competitividad (MINECO)), C/Monforte de Lemos 3-5, Pabellón 11. Planta 0, 28029 Madrid, Spain.
| | - Patricia Pazos
- Department of Physiology/Research Center of Molecular Medicine and Chronic Diseases (CIMUS), University of Santiago de Compostela, 15782 Santiago de Compostela, Spain.
- Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), 15706 Santiago de Compostela, Spain.
- CIBER Fisiopatología Obesidad y Nutrición (CB06/03), Instituto de Salud Carlos III (ISCIII, Ministerio de Economía y Competitividad (MINECO)), C/Monforte de Lemos 3-5, Pabellón 11. Planta 0, 28029 Madrid, Spain.
| | - Luis Lima
- Department of Physiology/Research Center of Molecular Medicine and Chronic Diseases (CIMUS), University of Santiago de Compostela, 15782 Santiago de Compostela, Spain.
- Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), 15706 Santiago de Compostela, Spain.
| | - Carlos Diéguez
- Department of Physiology/Research Center of Molecular Medicine and Chronic Diseases (CIMUS), University of Santiago de Compostela, 15782 Santiago de Compostela, Spain.
- Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), 15706 Santiago de Compostela, Spain.
- CIBER Fisiopatología Obesidad y Nutrición (CB06/03), Instituto de Salud Carlos III (ISCIII, Ministerio de Economía y Competitividad (MINECO)), C/Monforte de Lemos 3-5, Pabellón 11. Planta 0, 28029 Madrid, Spain.
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