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Yao XQ, Chen JY, Garcia-Segura ME, Wen ZH, Yu ZH, Huang ZC, Hamel R, Liu JH, Shen X, Huang ZP, Lu YM, Zhou ZT, Liu CT, Shi JM, Zhu QA, Peruzzotti-Jametti L, Chen JT. Integrated multi-omics analysis reveals molecular changes associated with chronic lipid accumulation following contusive spinal cord injury. Exp Neurol 2024; 380:114909. [PMID: 39097074 DOI: 10.1016/j.expneurol.2024.114909] [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: 05/09/2024] [Revised: 06/23/2024] [Accepted: 07/29/2024] [Indexed: 08/05/2024]
Abstract
Functional and pathological recovery after spinal cord injury (SCI) is often incomplete due to the limited regenerative capacity of the central nervous system (CNS), which is further impaired by several mechanisms that sustain tissue damage. Among these, the chronic activation of immune cells can cause a persistent state of local CNS inflammation and damage. However, the mechanisms that sustain this persistent maladaptive immune response in SCI have not been fully clarified yet. In this study, we integrated histological analyses with proteomic, lipidomic, transcriptomic, and epitranscriptomic approaches to study the pathological and molecular alterations that develop in a mouse model of cervical spinal cord hemicontusion. We found significant pathological alterations of the lesion rim with myelin damage and axonal loss that persisted throughout the late chronic phase of SCI. This was coupled by a progressive lipid accumulation in myeloid cells, including resident microglia and infiltrating monocyte-derived macrophages. At tissue level, we found significant changes of proteins indicative of glycolytic, tricarboxylic acid cycle (TCA), and fatty acid metabolic pathways with an accumulation of triacylglycerides with C16:0 fatty acyl chains in chronic SCI. Following transcriptomic, proteomic, and epitranscriptomic studies identified an increase of cholesterol and m6A methylation in lipid-droplet-accumulating myeloid cells as a core feature of chronic SCI. By characterizing the multiple metabolic pathways altered in SCI, our work highlights a key role of lipid metabolism in the chronic response of the immune and central nervous system to damage.
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Affiliation(s)
- Xin-Qiang Yao
- Division of Spine Surgery, Department of Orthopaedics, Nanfang hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Jia-Ying Chen
- Comprehensive Medical Treatment Ward, Nanfang hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Monica Emili Garcia-Segura
- Department of Metabolism, Digestion and Reproduction, Imperial College London, United Kingdom; Department of Clinical Neurosciences, University of Cambridge, Cambridge, UK
| | - Zi-Han Wen
- Division of Spine Surgery, Department of Orthopaedics, Nanfang hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Zi-Han Yu
- Division of Spine Surgery, Department of Orthopaedics, Nanfang hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Zu-Cheng Huang
- Division of Spine Surgery, Department of Orthopaedics, Nanfang hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Regan Hamel
- Department of Clinical Neurosciences, University of Cambridge, Cambridge, UK
| | - Jun-Hao Liu
- Division of Spine Surgery, Department of Orthopaedics, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, China
| | - Xing Shen
- Division of Spine Surgery, Department of Orthopaedics, Nanfang hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Zhi-Ping Huang
- Division of Spine Surgery, Department of Orthopaedics, Nanfang hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Yan-Meng Lu
- Central Laboratory, Southern Medical University, Guangzhou, Guangdong, China
| | - Zhi-Tao Zhou
- Central Laboratory, Southern Medical University, Guangzhou, Guangdong, China
| | - Cui-Ting Liu
- Central Laboratory, Southern Medical University, Guangzhou, Guangdong, China
| | - Jun-Min Shi
- Central Laboratory, Southern Medical University, Guangzhou, Guangdong, China
| | - Qing-An Zhu
- Division of Spine Surgery, Department of Orthopaedics, Nanfang hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Luca Peruzzotti-Jametti
- Department of Metabolism, Digestion and Reproduction, Imperial College London, United Kingdom; Department of Clinical Neurosciences, University of Cambridge, Cambridge, UK
| | - Jian-Ting Chen
- Division of Spine Surgery, Department of Orthopaedics, Nanfang hospital, Southern Medical University, Guangzhou, Guangdong, China.
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2
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Chen C, Chang ZH, Yao B, Liu XY, Zhang XW, Liang J, Wang JJ, Bao SQ, Chen MM, Zhu P, Li XH. 3D printing of interferon γ-preconditioned NSC-derived exosomes/collagen/chitosan biological scaffolds for neurological recovery after TBI. Bioact Mater 2024; 39:375-391. [PMID: 38846528 PMCID: PMC11153920 DOI: 10.1016/j.bioactmat.2024.05.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Revised: 05/13/2024] [Accepted: 05/13/2024] [Indexed: 06/09/2024] Open
Abstract
The reconstruction of neural function and recovery of chronic damage following traumatic brain injury (TBI) remain significant clinical challenges. Exosomes derived from neural stem cells (NSCs) offer various benefits in TBI treatment. Numerous studies confirmed that appropriate preconditioning methods enhanced the targeted efficacy of exosome therapy. Interferon-gamma (IFN-γ) possesses immunomodulatory capabilities and is widely involved in neurological disorders. In this study, IFN-γ was employed for preconditioning NSCs to enhance the efficacy of exosome (IFN-Exo, IE) for TBI. miRNA sequencing revealed the potential of IFN-Exo in promoting neural differentiation and modulating inflammatory responses. Through low-temperature 3D printing, IFN-Exo was combined with collagen/chitosan (3D-CC-IE) to preserve the biological activity of the exosome. The delivery of exosomes via biomaterial scaffolds benefited the retention and therapeutic potential of exosomes, ensuring that they could exert long-term effects at the injury site. The 3D-CC-IE scaffold exhibited excellent biocompatibility and mechanical properties. Subsequently, 3D-CC-IE scaffold significantly improved impaired motor and cognitive functions after TBI in rat. Histological results showed that 3D-CC-IE scaffold markedly facilitated the reconstruction of damaged neural tissue and promoted endogenous neurogenesis. Further mechanistic validation suggested that IFN-Exo alleviated neuroinflammation by modulating the MAPK/mTOR signaling pathway. In summary, the results of this study indicated that 3D-CC-IE scaffold engaged in long-term pathophysiological processes, fostering neural function recovery after TBI, offering a promising regenerative therapy avenue.
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Affiliation(s)
- Chong Chen
- Academy of Medical Engineering and Translational Medicine, Tianjin University, Tianjin, 300072, China
- Tianjin Key Laboratory of Neurotrauma Repair, Characteristic Medical Center of People's Armed Police Forces, Tianjin, 300162, China
| | - Zhe-Han Chang
- Academy of Medical Engineering and Translational Medicine, Tianjin University, Tianjin, 300072, China
| | - Bin Yao
- Academy of Medical Engineering and Translational Medicine, Tianjin University, Tianjin, 300072, China
- Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, Guangdong, 510100, China
- Guangdong Provincial Key Laboratory of Pathogenesis, Targeted Prevention and Treatment of Heart Disease, Guangzhou Key Laboratory of Cardiac Pathogenesis and Prevention, Guangzhou, Guangdong, 510100, China
| | - Xiao-Yin Liu
- Tianjin Key Laboratory of Neurotrauma Repair, Characteristic Medical Center of People's Armed Police Forces, Tianjin, 300162, China
- Department of Neurosurgery, West China Hospital, West China Medical School, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Xiao-Wang Zhang
- Academy of Medical Engineering and Translational Medicine, Tianjin University, Tianjin, 300072, China
| | - Jun Liang
- Academy of Medical Engineering and Translational Medicine, Tianjin University, Tianjin, 300072, China
| | - Jing-Jing Wang
- Tianjin Key Laboratory of Neurotrauma Repair, Characteristic Medical Center of People's Armed Police Forces, Tianjin, 300162, China
| | - Shuang-Qing Bao
- Academy of Medical Engineering and Translational Medicine, Tianjin University, Tianjin, 300072, China
| | - Meng-Meng Chen
- Academy of Medical Engineering and Translational Medicine, Tianjin University, Tianjin, 300072, China
| | - Ping Zhu
- Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, Guangdong, 510100, China
- Guangdong Provincial Key Laboratory of Pathogenesis, Targeted Prevention and Treatment of Heart Disease, Guangzhou Key Laboratory of Cardiac Pathogenesis and Prevention, Guangzhou, Guangdong, 510100, China
| | - Xiao-Hong Li
- Academy of Medical Engineering and Translational Medicine, Tianjin University, Tianjin, 300072, China
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3
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Zhu H, Zhang H, Zhao XJ, Zhang L, Liu X, Zhang ZY, Ren YZ, Feng Y. Tetramerization of PKM2 Alleviates Traumatic Brain Injury by Ameliorating Mitochondrial Damage in Microglia. J Neuroimmune Pharmacol 2024; 19:48. [PMID: 39196455 DOI: 10.1007/s11481-024-10138-6] [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: 08/20/2023] [Accepted: 06/27/2024] [Indexed: 08/29/2024]
Abstract
Traumatic brain injury (TBI) is a leading cause of death and disability worldwide. Microglial activation and neuroinflammation are key cellular events that determine the outcome of TBI, especially neuronal and cognitive function. Studies have suggested that the metabolic characteristics of microglia dictate their inflammatory response. The pyruvate kinase isoform M2 (PKM2), a key glycolytic enzyme, is involved in the regulation of various cellular metabolic processes, including mitochondrial metabolism. This suggests that PKM2 may also participate in the regulation of microglial activation during TBI. Therefore, the present study aimed to evaluate the role of PKM2 in regulating microglial activation and neuroinflammation and its effects on cognitive function following TBI. A controlled cortical impact (CCI) mouse model and inflammation-induced primary mouse microglial cells in vitro were used to investigate the potential effects of PKM2 inhibition and regulation. PKM2 was significantly increased during the acute and subacute phases of TBI and was predominantly detected in microglia rather than in neurons. Our results demonstrate that shikonin and TEPP-46 can inhibit microglial inflammation, improving mitochondria, improving mouse behavior, reducing brain defect volume, and alleviating pathological changes after TBI. There is a difference in the intervention of shikonin and TEPP-46 on PKM2. Shikonin directly inhibits General PKM2; TEPP-46 can promote the expression of PKM2 tetramer. In vitro experiments, TEPP-46 can promote the expression of PKM2 tetramer, enhance the interaction between PKM2 and MFN2, improve mitochondria, alleviate neuroinflammation. General inhibition and tetramerization activation of PKM2 attenuated cognitive function caused by TBI, whereas PKM2 tetramerization exhibited a better treatment effect. Our experiments demonstrated the non-metabolic role of PKM2 in the regulation of microglial activation following TBI. Both shikonin and TEPP-46 can inhibit pro-inflammatory factors, but only TEPP-46 can promote PKM2 tetramerization and upregulate the release of anti-inflammatory factors from microglia.
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Affiliation(s)
- Haiyan Zhu
- School of Basic Medical Sciences, Nanjing Medical University, Nanjing, 211166, China
| | - Huiwen Zhang
- School of Basic Medical Sciences, Nanjing Medical University, Nanjing, 211166, China
| | - Xiao-Jing Zhao
- Department of Pathology, The Affiliated Jiangning Hospital of Nanjing Medical University, Nanjing, 211100, China
| | - Lingyuan Zhang
- School of Basic Medical Sciences, Nanjing Medical University, Nanjing, 211166, China
| | - Xue Liu
- School of Basic Medical Sciences, Nanjing Medical University, Nanjing, 211166, China
| | - Zhi-Yuan Zhang
- School of Basic Medical Sciences, Nanjing Medical University, Nanjing, 211166, China
| | - Yi-Zhi Ren
- Department of Clinical Genetics, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, 210003, China, 262 North Zhongshan Road.
| | - Yong Feng
- Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research &, The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing Medical University, Nanjing, 210009, China, Baiziting 42.
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4
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Prapas P, Anagnostouli M. Macrophages and HLA-Class II Alleles in Multiple Sclerosis: Insights in Therapeutic Dynamics. Int J Mol Sci 2024; 25:7354. [PMID: 39000461 PMCID: PMC11242320 DOI: 10.3390/ijms25137354] [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: 06/15/2024] [Revised: 07/01/2024] [Accepted: 07/02/2024] [Indexed: 07/16/2024] Open
Abstract
Antigen presentation is a crucial mechanism that drives the T cell-mediated immune response and the development of Multiple Sclerosis (MS). Genetic alterations within the highly variable Major Histocompatibility Complex Class II (MHC II) have been proven to result in significant changes in the molecular basis of antigen presentation and the clinical course of patients with both Adult-Onset MS (AOMS) and Pediatric-Onset MS (POMS). Among the numerous polymorphisms of the Human Leucocyte Antigens (HLA), within MHC II complex, HLA-DRB1*15:01 has been labeled, in Caucasian ethnic groups, as a high-risk allele for MS due to the ability of its structure to increase affinity to Myelin Basic Protein (MBP) epitopes. This characteristic, among others, in the context of the trimolecular complex or immunological synapsis, provides the foundation for autoimmunity triggered by environmental or endogenous factors. As with all professional antigen presenting cells, macrophages are characterized by the expression of MHC II and are often implicated in the formation of MS lesions. Increased presence of M1 macrophages in MS patients has been associated both with progression and onset of the disease, each involving separate but similar mechanisms. In this critical narrative review, we focus on macrophages, discussing how HLA genetic alterations can promote dysregulation of this population's homeostasis in the periphery and the Central Nervous System (CNS). We also explore the potential interconnection in observed pathological macrophage mechanisms and the function of the diverse structure of HLA alleles in neurodegenerative CNS, seen in MS, by comparing available clinical with molecular data through the prism of HLA-immunogenetics. Finally, we discuss available and experimental pharmacological approaches for MS targeting the trimolecular complex that are based on cell phenotype modulation and HLA genotype involvement and try to reveal fertile ground for the potential development of novel drugs.
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Affiliation(s)
- Petros Prapas
- Research Immunogenetics Laboratory, First Department of Neurology, Aeginition University Hospital, School of Medicine, National and Kapodistrian University of Athens, Vas. Sofias 72-74, 11528 Athens, Greece
| | - Maria Anagnostouli
- Research Immunogenetics Laboratory, First Department of Neurology, Aeginition University Hospital, School of Medicine, National and Kapodistrian University of Athens, Vas. Sofias 72-74, 11528 Athens, Greece
- Multiple Sclerosis and Demyelinating Diseases Unit, Center of Expertise for Rare Demyelinating and Autoimmune Diseases of CNS, First Department of Neurology, School of Medicine, National and Kapodistrian University of Athens NKUA, Aeginition University Hospital, Vas. Sofias 72-74, 11528 Athens, Greece
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5
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Negro-Demontel L, Maleki AF, Reich DS, Kemper C. The complement system in neurodegenerative and inflammatory diseases of the central nervous system. Front Neurol 2024; 15:1396520. [PMID: 39022733 PMCID: PMC11252048 DOI: 10.3389/fneur.2024.1396520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Accepted: 06/17/2024] [Indexed: 07/20/2024] Open
Abstract
Neurodegenerative and neuroinflammatory diseases, including Alzheimer's disease, Parkinson's disease, and multiple sclerosis, affect millions of people globally. As aging is a major risk factor for neurodegenerative diseases, the continuous increase in the elderly population across Western societies is also associated with a rising prevalence of these debilitating conditions. The complement system, a crucial component of the innate immune response, has gained increasing attention for its multifaceted involvement in the normal development of the central nervous system (CNS) and the brain but also as a pathogenic driver in several neuroinflammatory disease states. Although complement is generally understood as a liver-derived and blood or interstitial fluid operative system protecting against bloodborne pathogens or threats, recent research, particularly on the role of complement in the healthy and diseased CNS, has demonstrated the importance of locally produced and activated complement components. Here, we provide a succinct overview over the known beneficial and pathological roles of complement in the CNS with focus on local sources of complement, including a discussion on the potential importance of the recently discovered intracellularly active complement system for CNS biology and on infection-triggered neurodegeneration.
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Affiliation(s)
- Luciana Negro-Demontel
- National Heart, Lung, and Blood Institute (NHLBI), National Institutes of Health (NIH), Complement and Inflammation Research Section (CIRS), Bethesda, MD, United States
- Department of Histology and Embryology, Faculty of Medicine, UDELAR, Montevideo, Uruguay
- Neuroinflammation and Gene Therapy Laboratory, Institut Pasteur de Montevideo, Montevideo, Uruguay
| | - Adam F. Maleki
- National Heart, Lung, and Blood Institute (NHLBI), National Institutes of Health (NIH), Complement and Inflammation Research Section (CIRS), Bethesda, MD, United States
- Translational Neuroradiology Section, National Institute of Neurological Disorders and Stroke (NINDS), NIH, Bethesda, MD, United States
| | - Daniel S. Reich
- Translational Neuroradiology Section, National Institute of Neurological Disorders and Stroke (NINDS), NIH, Bethesda, MD, United States
| | - Claudia Kemper
- National Heart, Lung, and Blood Institute (NHLBI), National Institutes of Health (NIH), Complement and Inflammation Research Section (CIRS), Bethesda, MD, United States
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6
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Tang Y, Wu X, Li J, Li Y, Xu X, Li G, Zhang P, Qin C, Wu LJ, Tang Z, Tian DS. The Emerging Role of Microglial Hv1 as a Target for Immunomodulation in Myelin Repair. Aging Dis 2024; 15:1176-1203. [PMID: 38029392 PMCID: PMC11081154 DOI: 10.14336/ad.2023.1107] [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: 08/17/2023] [Accepted: 11/07/2023] [Indexed: 12/01/2023] Open
Abstract
In the central nervous system (CNS), the myelin sheath ensures efficient interconnection between neurons and contributes to the regulation of the proper function of neuronal networks. The maintenance of myelin and the well-organized subtle process of myelin plasticity requires cooperation among myelin-forming cells, glial cells, and neural networks. The process of cooperation is fragile, and the balance is highly susceptible to disruption by microenvironment influences. Reactive microglia play a critical and complicated role in the demyelination and remyelination process. Recent studies have shown that the voltage-gated proton channel Hv1 is selectively expressed in microglia in CNS, which regulates intracellular pH and is involved in the production of reactive oxygen species, underlying multifaceted roles in maintaining microglia function. This paper begins by examining the molecular mechanisms of demyelination and emphasizes the crucial role of the microenvironment in demyelination. It focuses specifically on the role of Hv1 in myelin repair and its therapeutic potential in CNS demyelinating diseases.
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Affiliation(s)
- Yingxin Tang
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Xuan Wu
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Jiarui Li
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Yuanwei Li
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Xiaoxiao Xu
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Gaigai Li
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Ping Zhang
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Chuan Qin
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Long-Jun Wu
- Department of Neurology, Mayo Clinic, Rochester, MN 55905, USA
| | - Zhouping Tang
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Dai-Shi Tian
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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7
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Sanz P, Rubio T, Garcia-Gimeno MA. Neuroinflammation and Epilepsy: From Pathophysiology to Therapies Based on Repurposing Drugs. Int J Mol Sci 2024; 25:4161. [PMID: 38673747 PMCID: PMC11049926 DOI: 10.3390/ijms25084161] [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: 03/18/2024] [Revised: 04/04/2024] [Accepted: 04/08/2024] [Indexed: 04/28/2024] Open
Abstract
Neuroinflammation and epilepsy are different pathologies, but, in some cases, they are so closely related that the activation of one of the pathologies leads to the development of the other. In this work, we discuss the three main cell types involved in neuroinflammation, namely (i) reactive astrocytes, (ii) activated microglia, and infiltration of (iii) peripheral immune cells in the central nervous system. Then, we discuss how neuroinflammation and epilepsy are interconnected and describe the use of different repurposing drugs with anti-inflammatory properties that have been shown to have a beneficial effect in different epilepsy models. This review reinforces the idea that compounds designed to alleviate seizures need to target not only the neuroinflammation caused by reactive astrocytes and microglia but also the interaction of these cells with infiltrated peripheral immune cells.
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Affiliation(s)
- Pascual Sanz
- Instituto de Biomedicina de Valencia, Consejo Superior de Investigaciones Científicas, Jaime Roig 11, 46010 Valencia, Spain;
- Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), 46010 Valencia, Spain
| | - Teresa Rubio
- Instituto de Biomedicina de Valencia, Consejo Superior de Investigaciones Científicas, Jaime Roig 11, 46010 Valencia, Spain;
- Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), 46010 Valencia, Spain
- Faculty of Health Science, Universidad Europea de Valencia, 46010 Valencia, Spain
| | - Maria Adelaida Garcia-Gimeno
- Department of Biotechnology, Escuela Técnica Superior de Ingeniería Agronómica y del Medio Natural, Universitat Politécnica de València, 46022 Valencia, Spain;
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8
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Binder LB, Rosa PB, de Sousa BM, Chagas LS, Dubljević O, Martineau FS, Mottarlini F, Castany S, Morton L, Krstanović F, Tassinari ID, Choconta JL, Pereira-Santos AR, Weinhard L, Pallegar PN, Vahsen BF, Lepiarz-Raba I, Compagnion AC, Lorente-Picón M. Neuro-immune interactions in health and disease: Insights from FENS-Hertie 2022 Winter School. Eur J Neurosci 2024; 59:1977-1992. [PMID: 38311960 DOI: 10.1111/ejn.16262] [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: 10/04/2023] [Revised: 12/16/2023] [Accepted: 01/07/2024] [Indexed: 02/06/2024]
Abstract
In a great partnership, the Federation of European Neuroscience Societies (FENS) and the Hertie Foundation organized the FENS-Hertie 2022 Winter School on 'Neuro-immune interactions in health and disease'. The school selected 27 PhD students and 13 postdoctoral fellows from 20 countries and involved 14 faculty members experts in the field. The Winter School focused on a rising field of research, the interactions between the nervous and both innate and adaptive immune systems under pathological and physiological conditions. A fine-tuned neuro-immune crosstalk is fundamental for healthy development, while disrupted neuro-immune communication might play a role in neurodegeneration, neuroinflammation and aging. However, much is yet to be understood about the underlying mechanisms of these neuro-immune interactions in the healthy brain and under pathological scenarios. In addition to new findings in this emerging field, novel methodologies and animal models were presented to foment research on neuro-immunology. The FENS-Hertie 2022 Winter School provided an insightful knowledge exchange between students and faculty focusing on the latest discoveries in the biology of neuro-immune interactions while fostering great academic and professional opportunities for early-career neuroscientists from around the world.
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Affiliation(s)
- Luisa B Binder
- Department of Psychiatry and Neuroscience, Faculty of Medicine and CERVO Brain Research Center, Université Laval, Quebec City, Canada
| | - Priscila B Rosa
- Center for Social and Affective Neuroscience (CSAN), Linköping University, Linköping, Sweden
| | - Bárbara M de Sousa
- Institute of Biomedicine (iBiMED), Department of Medical Sciences, Universidade de Aveiro, Aveiro, Portugal
| | - Luana S Chagas
- Department of Neurobiology, Institute of Biology, Fluminense Federal University, Niterói, Brazil
| | - Olga Dubljević
- Department of Neurobiology, Univerzitet u Beogradu Institut za Biološka Istraživanja Siniša Stanković, Institute for Biological Research, Beograd, Republic of Serbia
| | | | - Francesca Mottarlini
- Department of Pharmacological and Biomolecular Sciences 'Rodolfo Paoletti', Università degli Studi di Milano, Milan, Italy
| | - Sílvia Castany
- Center for Social and Affective Neuroscience (CSAN), Linköping University, Linköping, Sweden
| | - Lorena Morton
- Faculty of Medicine, Institute of Inflammation and Neurodegeneration, Otto-von-Guericke University, Magdeburg, Germany
| | - Fran Krstanović
- Faculty of Medicine, Center for Proteomics, University of Rijeka, Rijeka, Croatia
| | - Isadora D Tassinari
- Department of Physiology, Graduate Program in Physiology, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Jeiny L Choconta
- Institute of Physiology, Medical University of Innsbruck, Innsbruck, Austria
| | - Ana Raquel Pereira-Santos
- Center for Neuroscience and Cell Biology (CNC), CIBB - Center for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal
| | | | | | - Björn F Vahsen
- Nuffield Department of Clinical Neurosciences, Oxford Motor Neuron Disease Centre, University of Oxford, John Radcliffe Hospital, Oxford, UK
- Kavli Institute for Nanoscience Discovery, University of Oxford, Oxford, UK
| | - Izabela Lepiarz-Raba
- BRAINCITY: Centre of Excellence for Neural Plasticity and Brain Disorders, Nencki Institute of Experimental Biology PAS, Warsaw, Poland
| | | | - Marina Lorente-Picón
- Vall d'Hebron Research Institute (VHIR), Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
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9
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Li Y, Yin C, Jiang J, Yang H, Zhang F, Xing Y, Wang W, Lu C. Tumor necrosis factor α-induced protein 8-like-2 controls microglia phenotype via metabolic reprogramming in BV2 microglial cells and responses to neuropathic pain. Int J Biochem Cell Biol 2024; 169:106541. [PMID: 38309648 DOI: 10.1016/j.biocel.2024.106541] [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: 06/16/2023] [Revised: 01/07/2024] [Accepted: 01/28/2024] [Indexed: 02/05/2024]
Abstract
Microglial are major players in neuroinflammation that have recently emerged as potential therapeutic targets for neuropathic pain. Glucose metabolic programming has been linked to differential activation state and function in microglia. Tumor necrosis factor α-induced protein 8-like-2 (TNFAIP8L2) is an important component in regulating the anti-inflammatory response. However, the role of TNFAIP8L2 in microglia differential state during neuropathic pain and its interplay with glucose metabolic reprogramming in microglia has not yet been determined. Thus, we aimed to investigate the role of TNFAIP8L2 in the status of microglia in vitro and in vivo. BV2 microglial cells were treated with lipopolysaccharides plus interferon-gamma (LPS/IFNγ) or interleukin-4 (IL-4) to induce the two different phenotypes of microglia in vitro. In vivo experiments were conducted by chronic constriction injury of the sciatic nerve (CCI). We investigated whether TNFAIP8L2 regulates glucose metabolic programming in BV2 microglial cells. The data in vitro showed that TNFAIP8L2 lowers glycolysis and increases mitochondrial oxidative phosphorylation (OXPHOS) in inflammatory microglia. Blockade of glycolytic pathway abolished TNFAIP8L2-mediated differential activation of microglia. TNFAIP8L2 suppresses inflammatory microglial activation and promotes restorative microglial activation in BV2 microglial cells and in spinal cord microglia after neuropathic pain. Furthermore, TNFAIP8L2 controls differential activation of microglia and glucose metabolic reprogramming through the MAPK/mTOR/HIF-1α signaling axis. This study reveals that TNFAIP8L2 plays a critical role in neuropathic pain, providing important insights into glucose metabolic reprogramming and microglial phenotypic transition, which indicates that TNFAIP8L2 may be used as a potential drug target for the prevention of neuropathic pain.
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Affiliation(s)
- Yeqi Li
- School of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Cui Yin
- School of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, China; Jiangsu Province Key Laboratory of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Jinhong Jiang
- School of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, China; Jiangsu Province Key Laboratory of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Huan Yang
- School of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Feifei Zhang
- School of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, China; Jiangsu Province Key Laboratory of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Yanhong Xing
- School of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, China; Jiangsu Province Key Laboratory of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Wuyang Wang
- School of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, China; Jiangsu Province Key Laboratory of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, China.
| | - Chen Lu
- School of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, China; Jiangsu Province Key Laboratory of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, China.
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10
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Zhou X, Lv M, Duan Z, Liu W, Yan F, Liu J, Cui Y. CHTOP Promotes Microglia-Mediated Inflammation by Regulating Cell Metabolism and Inflammatory Gene Expression. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2024; 212:677-688. [PMID: 38117276 DOI: 10.4049/jimmunol.2300572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 12/01/2023] [Indexed: 12/21/2023]
Abstract
During the initiation of the inflammatory response of microglia, the expression of many inflammation- and cell metabolism-related genes alters. However, how the transcription of inflammation- and metabolism-related genes are coordinately regulated during inflammation initiation is poorly understood. In this study, we found that LPS stimulation induced the expression of the chromatin target of PRMT1 (protein arginine methyltransferase 1) (CHTOP) in microglia. Knocking down CHTOP in microglia decreased proinflammatory cytokine expression. In addition, CHTOP knockdown altered cell metabolism, as both the upregulated genes were enriched in cell metabolism-related pathways and the metabolites profile was greatly altered based on untargeted metabolomics analysis. Mechanistically, CHTOP could directly bind the regulatory elements of inflammation and cell metabolism-related genes to regulate their transcription. In addition, knocking down CHTOP increased neuronal viability in vitro and alleviated microglia-mediated neuroinflammation in a systemic LPS treatment mouse model. Collectively, these data revealed CHTOP as a novel regulator to promote microglia-mediated neuroinflammation by coordinately regulating the transcription of inflammation and cell metabolism-related genes.
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Affiliation(s)
- Xin Zhou
- Institute of Neuroregeneration and Neurorehabilitation, Qingdao University, Qingdao, China
- Qingdao Medical College, Qingdao University, Qingdao, China
| | - Mengfei Lv
- Institute of Neuroregeneration and Neurorehabilitation, Qingdao University, Qingdao, China
- Qingdao Medical College, Qingdao University, Qingdao, China
| | - Zhongying Duan
- Institute of Neuroregeneration and Neurorehabilitation, Qingdao University, Qingdao, China
- Qingdao Medical College, Qingdao University, Qingdao, China
| | - Wenhao Liu
- Department of Interventional Radiology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Feng Yan
- Department of Emergency Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Jiake Liu
- Qingdao Medical College, Qingdao University, Qingdao, China
| | - Yu Cui
- Institute of Neuroregeneration and Neurorehabilitation, Qingdao University, Qingdao, China
- Qingdao Medical College, Qingdao University, Qingdao, China
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11
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Hermann DM, Peruzzotti-Jametti L, Giebel B, Pluchino S. Extracellular vesicles set the stage for brain plasticity and recovery by multimodal signalling. Brain 2024; 147:372-389. [PMID: 37768167 PMCID: PMC10834259 DOI: 10.1093/brain/awad332] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 08/07/2023] [Accepted: 09/15/2023] [Indexed: 09/29/2023] Open
Abstract
Extracellular vesicles (EVs) are extremely versatile naturally occurring membrane particles that convey complex signals between cells. EVs of different cellular sources are capable of inducing striking therapeutic responses in neurological disease models. Differently from pharmacological compounds that act by modulating defined signalling pathways, EV-based therapeutics possess multiple abilities via a variety of effectors, thus allowing the modulation of complex disease processes that may have very potent effects on brain tissue recovery. When applied in vivo in experimental models of neurological diseases, EV-based therapeutics have revealed remarkable effects on immune responses, cell metabolism and neuronal plasticity. This multimodal modulation of neuroimmune networks by EVs profoundly influences disease processes in a highly synergistic and context-dependent way. Ultimately, the EV-mediated restoration of cellular functions helps to set the stage for neurological recovery. With this review we first outline the current understanding of the mechanisms of action of EVs, describing how EVs released from various cellular sources identify their cellular targets and convey signals to recipient cells. Then, mechanisms of action applicable to key neurological conditions such as stroke, multiple sclerosis and neurodegenerative diseases are presented. Pathways that deserve attention in specific disease contexts are discussed. We subsequently showcase considerations about EV biodistribution and delineate genetic engineering strategies aiming at enhancing brain uptake and signalling. By sketching a broad view of EV-orchestrated brain plasticity and recovery, we finally define possible future clinical EV applications and propose necessary information to be provided ahead of clinical trials. Our goal is to provide a steppingstone that can be used to critically discuss EVs as next generation therapeutics for brain diseases.
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Affiliation(s)
- Dirk M Hermann
- Department of Neurology, University Hospital Essen, University of Duisburg-Essen, D-45122 Essen, Germany
| | - Luca Peruzzotti-Jametti
- Department of Clinical Neurosciences and National Institute for Health Research (NIHR) Biomedical Research Centre, University of Cambridge, Cambridge CB2 0AH, UK
- Department of Metabolism, Digestion and Reproduction, Imperial College London, London W12 0NN, UK
| | - Bernd Giebel
- Institute of Transfusion Medicine, University Hospital Essen, University of Duisburg-Essen, D-45147 Essen, Germany
| | - Stefano Pluchino
- Department of Clinical Neurosciences and National Institute for Health Research (NIHR) Biomedical Research Centre, University of Cambridge, Cambridge CB2 0AH, UK
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12
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Delpech JC, Valdearcos M, Nadjar A. Stress and Microglia: A Double-edged Relationship. ADVANCES IN NEUROBIOLOGY 2024; 37:333-342. [PMID: 39207700 DOI: 10.1007/978-3-031-55529-9_18] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/04/2024]
Abstract
Microglia are highly dynamic cells and acquire different activation states to modulate their multiple functions, which are tightly regulated by the central nervous system microenvironment in which they reside. In response to stress, that is to the appearance of non-physiological signals in their vicinity, microglia will adapt their function in order to promote a return to brain homeostasis. However, when these stress signals are chronically present, microglial response may not be adapted and lead to the establishment of a pathological state. The aim of this book chapter is to examine the substantial literature around the ability of acute and chronic stressors to affect microglial structure and function, with a special focus on psychosocial and nutritional stresses. We also discuss the molecular mechanisms known to date that explain the link between exposure to stressors and microglial activation.
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Affiliation(s)
| | - Martin Valdearcos
- Diabetes Center, University of California, San Francisco, San Francisco, CA, USA
| | - Agnès Nadjar
- Neurocentre Magendie, U1215, INSERM-Université de Bordeaux, Bordeaux, France.
- Institut Universitaire de France (IUF), Paris, France.
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13
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Garcia-Segura ME, Pluchino S, Peruzzotti-Jametti L. Metabolic Control of Microglia. ADVANCES IN NEUROBIOLOGY 2024; 37:607-622. [PMID: 39207716 DOI: 10.1007/978-3-031-55529-9_34] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/04/2024]
Abstract
Microglia, immune sentinels of the central nervous system (CNS), play a critical role in maintaining its health and integrity. This chapter delves into the concept of immunometabolism, exploring how microglial metabolism shapes their diverse immune functions. It examines the impact of cell metabolism on microglia during various CNS states, including homeostasis, development, aging, and inflammation. Particularly in CNS inflammation, the chapter discusses how metabolic rewiring in microglia can initiate, resolve, or perpetuate inflammatory responses. The potential of targeting microglial metabolism as a therapeutic strategy for chronic CNS disorders with prominent innate immune cell activation is also explored.
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Affiliation(s)
- Monica Emili Garcia-Segura
- Department of Clinical Neurosciences and NIHR Biomedical Research Centre, University of Cambridge, Cambridge, UK
- Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Stefano Pluchino
- Department of Clinical Neurosciences and NIHR Biomedical Research Centre, University of Cambridge, Cambridge, UK
| | - Luca Peruzzotti-Jametti
- Department of Clinical Neurosciences and NIHR Biomedical Research Centre, University of Cambridge, Cambridge, UK.
- Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK.
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14
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Jovičić SM. Uncovering novel therapeutic targets in glucose, nucleotides and lipids metabolism during cancer and neurological diseases. Int J Immunopathol Pharmacol 2024; 38:3946320241250293. [PMID: 38712748 PMCID: PMC11080811 DOI: 10.1177/03946320241250293] [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: 05/04/2023] [Accepted: 04/11/2024] [Indexed: 05/08/2024] Open
Abstract
BACKGROUND Cell metabolism functions without a stop in normal and pathological cells. Different metabolic changes occur in the disease. Cell metabolism influences biochemical and metabolic processes, signaling pathways, and gene regulation. Knowledge regarding disease metabolism is limited. OBJECTIVE The review examines the cell metabolism of glucose, nucleotides, and lipids during homeostatic and pathological conditions of neurotoxicity, neuroimmunological disease, Parkinson's disease, thymoma in myasthenia gravis, and colorectal cancer. METHODS Data collection includes electronic databases, the National Center for Biotechnology Information, and Google Scholar, with several inclusion criteria: cell metabolism, glucose metabolism, nucleotide metabolism, and lipid metabolism in health and disease patients suffering from neurotoxicity, neuroinflammation, Parkinson's disease, thymoma in myasthenia gravis. The initial number of collected and analyzed papers is 250. The final analysis included 150 studies out of 94 selected papers. After the selection process, 62.67% remains useful. RESULTS AND CONCLUSION A literature search shows that signaling molecules are involved in metabolic changes in cells. Differences between cancer and neuroimmunological diseases are present in the result section. Our finding enables insight into novel therapeutic targets and the development of scientific approaches for cancer and neurological disease onset, outcome, progression, and treatment, highlighting the importance of metabolic dysregulation. Current understanding, emerging research technologies and potential therapeutic interventions in metabolic programming is disucussed and highlighted.
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Affiliation(s)
- Snežana M Jovičić
- Department of Genetics, Faculty of Biology, University of Belgrade, Belgrade, Serbia
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15
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Leone MA, Gelati M, Profico DC, Gobbi C, Pravatà E, Copetti M, Conti C, Abate L, Amoruso L, Apollo F, Balzano RF, Bicchi I, Carella M, Ciampini A, Colosimo C, Crociani P, D'Aloisio G, Di Viesti P, Ferrari D, Fogli D, Fontana A, Frondizi D, Grespi V, Kuhle J, Laborante A, Lombardi I, Muzi G, Paci F, Placentino G, Popolizio T, Ricciolini C, Sabatini S, Silveri G, Spera C, Stephenson D, Stipa G, Tinella E, Zarrelli M, Zecca C, Ventura Y, D'Alessandro A, Peruzzotti-Jametti L, Pluchino S, Vescovi AL. Phase I clinical trial of intracerebroventricular transplantation of allogeneic neural stem cells in people with progressive multiple sclerosis. Cell Stem Cell 2023; 30:1597-1609.e8. [PMID: 38016468 DOI: 10.1016/j.stem.2023.11.001] [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: 06/23/2023] [Revised: 09/11/2023] [Accepted: 11/01/2023] [Indexed: 11/30/2023]
Abstract
We report the analysis of 1 year of data from the first cohort of 15 patients enrolled in an open-label, first-in-human, dose-escalation phase I study (ClinicalTrials.gov: NCT03282760, EudraCT2015-004855-37) to determine the feasibility, safety, and tolerability of the transplantation of allogeneic human neural stem/progenitor cells (hNSCs) for the treatment of secondary progressive multiple sclerosis. Participants were treated with hNSCs delivered via intracerebroventricular injection in combination with an immunosuppressive regimen. No treatment-related deaths nor serious adverse events (AEs) were observed. All participants displayed stability of clinical and laboratory outcomes, as well as lesion load and brain activity (MRI), compared with the study entry. Longitudinal metabolomics and lipidomics of biological fluids identified time- and dose-dependent responses with increased levels of acyl-carnitines and fatty acids in the cerebrospinal fluid (CSF). The absence of AEs and the stability of functional and structural outcomes are reassuring and represent a milestone for the safe translation of stem cells into regenerative medicines.
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Affiliation(s)
- Maurizio A Leone
- IRCCS Casa Sollievo della Sofferenza, Viale Cappuccini 1, San Giovanni Rotondo, 71013 Foggia, Italy
| | - Maurizio Gelati
- IRCCS Casa Sollievo della Sofferenza, Viale Cappuccini 1, San Giovanni Rotondo, 71013 Foggia, Italy
| | - Daniela C Profico
- IRCCS Casa Sollievo della Sofferenza, Viale Cappuccini 1, San Giovanni Rotondo, 71013 Foggia, Italy
| | - Claudio Gobbi
- Multiple Sclerosis Centre (MSC), Department of Neurology, Neurocentre of Southern Switzerland, EOC, 6900 Lugano, Switzerland; Faculty of Biomedical Sciences, Università della Svizzera Italiana (USI), 6900 Lugano, Switzerland
| | - Emanuele Pravatà
- Multiple Sclerosis Centre (MSC), Department of Neurology, Neurocentre of Southern Switzerland, EOC, 6900 Lugano, Switzerland; Faculty of Biomedical Sciences, Università della Svizzera Italiana (USI), 6900 Lugano, Switzerland; Department of Neuroradiology, Neurocentre of Southern Switzerland, EOC, 6900 Lugano, Switzerland
| | - Massimiliano Copetti
- IRCCS Casa Sollievo della Sofferenza, Viale Cappuccini 1, San Giovanni Rotondo, 71013 Foggia, Italy
| | - Carlo Conti
- Department of Biochemistry and Molecular Genetics, University of Colorado Anschutz Medical Campus, 12801 East 17th A - L18-9118, Aurora, CO, USA
| | - Lucrezia Abate
- IRCCS Casa Sollievo della Sofferenza, Viale Cappuccini 1, San Giovanni Rotondo, 71013 Foggia, Italy
| | - Luigi Amoruso
- IRCCS Casa Sollievo della Sofferenza, Viale Cappuccini 1, San Giovanni Rotondo, 71013 Foggia, Italy
| | - Francesco Apollo
- IRCCS Casa Sollievo della Sofferenza, Viale Cappuccini 1, San Giovanni Rotondo, 71013 Foggia, Italy
| | - Rosario F Balzano
- Department of Neuroradiology, Neurocentre of Southern Switzerland, EOC, 6900 Lugano, Switzerland
| | - Ilaria Bicchi
- IRCCS Casa Sollievo della Sofferenza, Viale Cappuccini 1, San Giovanni Rotondo, 71013 Foggia, Italy; AOSP Santa Maria, via Tristano di Joannuccio 1, 05100 Terni, Italy
| | - Massimo Carella
- IRCCS Casa Sollievo della Sofferenza, Viale Cappuccini 1, San Giovanni Rotondo, 71013 Foggia, Italy
| | | | - Carlo Colosimo
- AOSP Santa Maria, via Tristano di Joannuccio 1, 05100 Terni, Italy
| | - Paola Crociani
- IRCCS Casa Sollievo della Sofferenza, Viale Cappuccini 1, San Giovanni Rotondo, 71013 Foggia, Italy
| | - Giada D'Aloisio
- IRCCS Casa Sollievo della Sofferenza, Viale Cappuccini 1, San Giovanni Rotondo, 71013 Foggia, Italy
| | - Pietro Di Viesti
- IRCCS Casa Sollievo della Sofferenza, Viale Cappuccini 1, San Giovanni Rotondo, 71013 Foggia, Italy
| | - Daniela Ferrari
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126 Milan, Italy
| | - Danilo Fogli
- IRCCS Casa Sollievo della Sofferenza, Viale Cappuccini 1, San Giovanni Rotondo, 71013 Foggia, Italy
| | - Andrea Fontana
- IRCCS Casa Sollievo della Sofferenza, Viale Cappuccini 1, San Giovanni Rotondo, 71013 Foggia, Italy
| | | | - Valentina Grespi
- IRCCS Casa Sollievo della Sofferenza, Viale Cappuccini 1, San Giovanni Rotondo, 71013 Foggia, Italy; AOSP Santa Maria, via Tristano di Joannuccio 1, 05100 Terni, Italy
| | - Jens Kuhle
- Department of Neurology, University Hospital Basel, and University of Basel, Basel, Switzerland
| | - Antonio Laborante
- IRCCS Casa Sollievo della Sofferenza, Viale Cappuccini 1, San Giovanni Rotondo, 71013 Foggia, Italy
| | - Ivan Lombardi
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126 Milan, Italy
| | - Gianmarco Muzi
- AOSP Santa Maria, via Tristano di Joannuccio 1, 05100 Terni, Italy
| | - Francesca Paci
- AOSP Santa Maria, via Tristano di Joannuccio 1, 05100 Terni, Italy
| | - Giuliana Placentino
- IRCCS Casa Sollievo della Sofferenza, Viale Cappuccini 1, San Giovanni Rotondo, 71013 Foggia, Italy
| | - Teresa Popolizio
- IRCCS Casa Sollievo della Sofferenza, Viale Cappuccini 1, San Giovanni Rotondo, 71013 Foggia, Italy
| | - Claudia Ricciolini
- IRCCS Casa Sollievo della Sofferenza, Viale Cappuccini 1, San Giovanni Rotondo, 71013 Foggia, Italy; AOSP Santa Maria, via Tristano di Joannuccio 1, 05100 Terni, Italy
| | | | - Giada Silveri
- IRCCS Casa Sollievo della Sofferenza, Viale Cappuccini 1, San Giovanni Rotondo, 71013 Foggia, Italy
| | - Cristina Spera
- AOSP Santa Maria, via Tristano di Joannuccio 1, 05100 Terni, Italy
| | - Daniel Stephenson
- Department of Biochemistry and Molecular Genetics, University of Colorado Anschutz Medical Campus, 12801 East 17th A - L18-9118, Aurora, CO, USA
| | - Giuseppe Stipa
- AOSP Santa Maria, via Tristano di Joannuccio 1, 05100 Terni, Italy
| | - Elettra Tinella
- AOSP Santa Maria, via Tristano di Joannuccio 1, 05100 Terni, Italy
| | - Michele Zarrelli
- IRCCS Casa Sollievo della Sofferenza, Viale Cappuccini 1, San Giovanni Rotondo, 71013 Foggia, Italy
| | - Chiara Zecca
- Multiple Sclerosis Centre (MSC), Department of Neurology, Neurocentre of Southern Switzerland, EOC, 6900 Lugano, Switzerland; Faculty of Biomedical Sciences, Università della Svizzera Italiana (USI), 6900 Lugano, Switzerland
| | - Yendri Ventura
- Abu Dhabi Stem Cell Centre, Abu Dhabi, United Arab Emirates
| | - Angelo D'Alessandro
- Department of Biochemistry and Molecular Genetics, University of Colorado Anschutz Medical Campus, 12801 East 17th A - L18-9118, Aurora, CO, USA
| | - Luca Peruzzotti-Jametti
- Department of Clinical Neurosciences and NIHR Biomedical Research Centre, University of Cambridge, CB2 0QQ Cambridge, UK; Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Stefano Pluchino
- Department of Clinical Neurosciences and NIHR Biomedical Research Centre, University of Cambridge, CB2 0QQ Cambridge, UK.
| | - Angelo L Vescovi
- IRCCS Casa Sollievo della Sofferenza, Viale Cappuccini 1, San Giovanni Rotondo, 71013 Foggia, Italy; Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126 Milan, Italy.
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16
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Alshial EE, Abdulghaney MI, Wadan AHS, Abdellatif MA, Ramadan NE, Suleiman AM, Waheed N, Abdellatif M, Mohammed HS. Mitochondrial dysfunction and neurological disorders: A narrative review and treatment overview. Life Sci 2023; 334:122257. [PMID: 37949207 DOI: 10.1016/j.lfs.2023.122257] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Revised: 10/27/2023] [Accepted: 11/07/2023] [Indexed: 11/12/2023]
Abstract
Mitochondria play a vital role in the nervous system, as they are responsible for generating energy in the form of ATP and regulating cellular processes such as calcium (Ca2+) signaling and apoptosis. However, mitochondrial dysfunction can lead to oxidative stress (OS), inflammation, and cell death, which have been implicated in the pathogenesis of various neurological disorders. In this article, we review the main functions of mitochondria in the nervous system and explore the mechanisms related to mitochondrial dysfunction. We discuss the role of mitochondrial dysfunction in the development and progression of some neurological disorders including Parkinson's disease (PD), multiple sclerosis (MS), Alzheimer's disease (AD), depression, and epilepsy. Finally, we provide an overview of various current treatment strategies that target mitochondrial dysfunction, including pharmacological treatments, phototherapy, gene therapy, and mitotherapy. This review emphasizes the importance of understanding the role of mitochondria in the nervous system and highlights the potential for mitochondrial-targeted therapies in the treatment of neurological disorders. Furthermore, it highlights some limitations and challenges encountered by the current therapeutic strategies and puts them in future perspective.
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Affiliation(s)
- Eman E Alshial
- Biochemistry Department, Faculty of Science, Damanhour University, Al Buhayrah, Egypt
| | | | - Al-Hassan Soliman Wadan
- Department of Oral Biology, Faculty of Dentistry, Sinai University, Arish, North Sinai, Egypt
| | | | - Nada E Ramadan
- Department of Biotechnology, Faculty of Science, Tanta University, Gharbia, Egypt
| | | | - Nahla Waheed
- Biochemistry Department, Faculty of Science, Mansoura University, Egypt
| | | | - Haitham S Mohammed
- Biophysics Department, Faculty of Science, Cairo University, Giza, Egypt.
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17
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González Ibáñez F, Halvorson T, Sharma K, McKee C, Carrier M, Picard K, Vernoux N, Bisht K, Deslauriers J, Lalowski M, Tremblay MÈ. Ketogenic diet alters microglial morphology and changes the hippocampal lipidomic profile distinctively in stress susceptible versus resistant male mice upon repeated social defeat. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.08.28.555135. [PMID: 37693370 PMCID: PMC10491121 DOI: 10.1101/2023.08.28.555135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/12/2023]
Abstract
Psychological stress confers an increased risk for several diseases including psychiatric conditions. The susceptibility to psychological stress is modulated by various factors, many of them being modifiable lifestyle choices. The ketogenic diet (KD) has emerged as a dietary regime that offers positive outcomes on mood and health status. Psychological stress and elevated inflammation are common features of neuropsychiatric disorders such as certain types of major depressive disorder. KD has been attributed anti-inflammatory properties that could underlie its beneficial consequences on the brain and behavior. Microglia are the main drivers of inflammation in the central nervous system. They are known to respond to both dietary changes and psychological stress, notably by modifying their production of cytokines and relationships among the brain parenchyma. To assess the interactions between KD and the stress response, including effects on microglia, we examined adult male mice on control diet (CD) versus KD that underwent 10 days of repeated social defeat (RSD) or remained non-stressed (controls; CTRLs). Through a social interaction test, stressed mice were classified as susceptible (SUS) or resistant (RES) to RSD. The mouse population fed a KD tended to have a higher proportion of individuals classified as RES following RSD. Microglial morphology and ultrastructure were then analyzed in the ventral hippocampus CA1, a brain region known to present structural alterations as a response to psychological stress. Distinct changes in microglial soma and arborization linked to the KD, SUS and RES phenotypes were revealed. Ultrastructural analysis by electron microscopy showed a clear reduction of cellular stress markers in microglia from KD fed animals. Furthermore, ultrastructural analysis showed that microglial contacts with synaptic elements were reduced in the SUS compared to the RES and CTRL groups. Hippocampal lipidomic analyses lastly identified a distinct lipid profile in SUS animals compared to CTRLs. These key differences, combined with the distinct microglial responses to diet and stress, indicate that unique metabolic changes may underlie the stress susceptibility phenotypes. Altogether, our results reveal novel mechanisms by which a KD might improve the resistance to psychological stress.
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Affiliation(s)
- Fernando González Ibáñez
- Axe neurosciences, Centre de recherche du CHU de Québec-Université Laval, Québec, QC, Canada
- Département de médecine moléculaire, Université Laval, Québec City, QC, Canada
- Division of Medical Sciences, University of Victoria, Victoria, BC, Canada
| | - Torin Halvorson
- Division of Medical Sciences, University of Victoria, Victoria, BC, Canada
- Department of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Kaushik Sharma
- Axe neurosciences, Centre de recherche du CHU de Québec-Université Laval, Québec, QC, Canada
- Département de médecine moléculaire, Université Laval, Québec City, QC, Canada
- Department of Chemistry, Purdue University, West Lafayette, IN, United States of America
| | - Chloe McKee
- Division of Medical Sciences, University of Victoria, Victoria, BC, Canada
| | - Micaël Carrier
- Axe neurosciences, Centre de recherche du CHU de Québec-Université Laval, Québec, QC, Canada
- Département de médecine moléculaire, Université Laval, Québec City, QC, Canada
- Division of Medical Sciences, University of Victoria, Victoria, BC, Canada
| | - Katherine Picard
- Axe neurosciences, Centre de recherche du CHU de Québec-Université Laval, Québec, QC, Canada
- Département de médecine moléculaire, Université Laval, Québec City, QC, Canada
- Division of Medical Sciences, University of Victoria, Victoria, BC, Canada
| | - Nathalie Vernoux
- Axe neurosciences, Centre de recherche du CHU de Québec-Université Laval, Québec, QC, Canada
| | - Kanchan Bisht
- Axe neurosciences, Centre de recherche du CHU de Québec-Université Laval, Québec, QC, Canada
- Département de médecine moléculaire, Université Laval, Québec City, QC, Canada
- Department of Chemistry, Purdue University, West Lafayette, IN, United States of America
| | | | - Maciej Lalowski
- Department of Gene Expression, Institute of Molecular Biology and Biotechnology, Faculty of Biology, Adam Mickiewicz University, Poznań, Poland
- Biochemistry/Developmental Biology, Meilahti Clinical Proteomics Core Facility, University of Helsinki, Finland
| | - Marie-Ève Tremblay
- Axe neurosciences, Centre de recherche du CHU de Québec-Université Laval, Québec, QC, Canada
- Département de médecine moléculaire, Université Laval, Québec City, QC, Canada
- Division of Medical Sciences, University of Victoria, Victoria, BC, Canada
- Neurology and Neurosurgery Department, McGill University, Montréal, QC, Canada
- Department of Biochemistry and Molecular Biology, The University of British Columbia, Vancouver, BC, Canada
- Centre for Advanced Materials and Related Technology (CAMTEC), University of Victoria, BC, Canada
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18
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Zhong L, Wang J, Wang P, Liu X, Liu P, Cheng X, Cao L, Wu H, Chen J, Zhou L. Neural stem cell-derived exosomes and regeneration: cell-free therapeutic strategies for traumatic brain injury. Stem Cell Res Ther 2023; 14:198. [PMID: 37553595 PMCID: PMC10408078 DOI: 10.1186/s13287-023-03409-1] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 07/06/2023] [Indexed: 08/10/2023] Open
Abstract
Regenerative repair of the brain after traumatic brain injury (TBI) remains an extensive clinical challenge, inspiring intensified interest in therapeutic approaches to explore superior repair strategies. Exosome therapy is another research hotspot following stem cell alternative therapy. Prior research verified that exosomes produced by neural stem cells can participate in the physiological and pathological changes associated with TBI and have potential neuroregulatory and repair functions. In comparison with their parental stem cells, exosomes have superior stability and immune tolerance and lower tumorigenic risk. In addition, they can readily penetrate the blood‒brain barrier, which makes their treatment efficiency superior to that of transplanted stem cells. Exosomes secreted by neural stem cells present a promising strategy for the development of novel regenerative therapies. Their tissue regeneration and immunomodulatory potential have made them encouraging candidates for TBI repair. The present review addresses the challenges, applications and potential mechanisms of neural stem cell exosomes in regenerating damaged brains.
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Affiliation(s)
- Lin Zhong
- Department of Hematology, The First Affiliated Hospital of Chengdu Medical College, Chengdu, 610500, Sichuan, China
| | - Jingjing Wang
- Tianjin Key Laboratory of Neurotrauma Repair, Institute of Neurotrauma Repair, Characteristic Medical Center of People's Armed Police Forces, Tianjin, 300162, China
| | - Peng Wang
- Department of Health Management, Tianjin Hospital, Tianjin, 300211, China
| | - Xiaoyin Liu
- Department of Neurosurgery, West China Hospital, West China Medical School, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Peng Liu
- Department of Neurosurgery, West China Hospital, West China Medical School, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Xu Cheng
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, 610064, Sichuan, China
| | - Lujia Cao
- Department of Hematology, The First Affiliated Hospital of Chengdu Medical College, Chengdu, 610500, Sichuan, China
| | - Hongwei Wu
- Department of Hematology, The First Affiliated Hospital of Chengdu Medical College, Chengdu, 610500, Sichuan, China.
| | - Jing Chen
- Department of Neurosurgery, West China Hospital, West China Medical School, Sichuan University, Chengdu, 610041, Sichuan, China.
| | - Liangxue Zhou
- Department of Neurosurgery, West China Hospital, West China Medical School, Sichuan University, Chengdu, 610041, Sichuan, China.
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19
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Hamel R, Peruzzotti-Jametti L, Ridley K, Testa V, Yu B, Rowitch D, Marioni JC, Pluchino S. Time-resolved single-cell RNAseq profiling identifies a novel Fabp5+ subpopulation of inflammatory myeloid cells with delayed cytotoxic profile in chronic spinal cord injury. Heliyon 2023; 9:e18339. [PMID: 37636454 PMCID: PMC10450865 DOI: 10.1016/j.heliyon.2023.e18339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 07/09/2023] [Accepted: 07/13/2023] [Indexed: 08/29/2023] Open
Abstract
Traumatic spinal cord injuries (SCI) are a group of highly debilitating pathologies affecting thousands annually, and adversely affecting quality of life. Currently, no fully restorative therapies exist, and SCI still results in significant personal, societal and financial burdens. Inflammation plays a major role in the evolution of SCI, with myeloid cells, including bone marrow derived macrophages (BMDMs) and microglia (MG) being primary drivers of both early secondary pathogenesis and delayed wound healing events. The precise role of myeloid cell subsets is unclear as upon crossing the blood-spinal cord barrier, infiltrating bone marrow derived macrophages (BMDMs) may take on the morphology of resident microglia, and upregulate canonical microglia markers, thus making the two populations difficult to distinguish. Here, we used time-resolved scRNAseq and transgenic fate-mapping to chart the transcriptional profiles of tissue-resident and -infiltrating myeloid cells in a mouse model of thoracic contusion SCI. Our work identifies a novel subpopulation of foam cell-like inflammatory myeloid cells with increased expression of Fatty Acid Binding Protein 5 (Fabp5) and comprise both tissue-resident and -infiltrating cells. Fabp5+ inflammatory myeloid cells display a delayed cytotoxic profile that is predominant at the lesion epicentre and extends into the chronic phase of SCI.
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Affiliation(s)
- Regan Hamel
- Department of Clinical Neurosciences and NIHR Biomedical Research Centre, University of Cambridge, Cambridge, UK
| | - Luca Peruzzotti-Jametti
- Department of Clinical Neurosciences and NIHR Biomedical Research Centre, University of Cambridge, Cambridge, UK
| | | | - Veronica Testa
- Department of Clinical Neurosciences and NIHR Biomedical Research Centre, University of Cambridge, Cambridge, UK
| | - Bryan Yu
- Department of Clinical Neurosciences and NIHR Biomedical Research Centre, University of Cambridge, Cambridge, UK
| | - David Rowitch
- Cambridge Stem Cell Institute, University of Cambridge, UK
| | - John C. Marioni
- Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, UK
- European Molecular Biology Laboratory, European Bioinformatics Institute (EMBL-EBI), Wellcome Genome Campus, Hinxton, UK
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, UK
| | - Stefano Pluchino
- Department of Clinical Neurosciences and NIHR Biomedical Research Centre, University of Cambridge, Cambridge, UK
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20
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Casanova A, Wevers A, Navarro-Ledesma S, Pruimboom L. Mitochondria: It is all about energy. Front Physiol 2023; 14:1114231. [PMID: 37179826 PMCID: PMC10167337 DOI: 10.3389/fphys.2023.1114231] [Citation(s) in RCA: 39] [Impact Index Per Article: 39.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Accepted: 03/29/2023] [Indexed: 05/15/2023] Open
Abstract
Mitochondria play a key role in both health and disease. Their function is not limited to energy production but serves multiple mechanisms varying from iron and calcium homeostasis to the production of hormones and neurotransmitters, such as melatonin. They enable and influence communication at all physical levels through interaction with other organelles, the nucleus, and the outside environment. The literature suggests crosstalk mechanisms between mitochondria and circadian clocks, the gut microbiota, and the immune system. They might even be the hub supporting and integrating activity across all these domains. Hence, they might be the (missing) link in both health and disease. Mitochondrial dysfunction is related to metabolic syndrome, neuronal diseases, cancer, cardiovascular and infectious diseases, and inflammatory disorders. In this regard, diseases such as cancer, Alzheimer's, Parkinson's, amyotrophic lateral sclerosis (ALS), chronic fatigue syndrome (CFS), and chronic pain are discussed. This review focuses on understanding the mitochondrial mechanisms of action that allow for the maintenance of mitochondrial health and the pathways toward dysregulated mechanisms. Although mitochondria have allowed us to adapt to changes over the course of evolution, in turn, evolution has shaped mitochondria. Each evolution-based intervention influences mitochondria in its own way. The use of physiological stress triggers tolerance to the stressor, achieving adaptability and resistance. This review describes strategies that could recover mitochondrial functioning in multiple diseases, providing a comprehensive, root-cause-focused, integrative approach to recovering health and treating people suffering from chronic diseases.
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Affiliation(s)
- Amaloha Casanova
- Department of Physiotherapy, University of Granada, Granada, Spain
- Faculty of Health Sciences, Melilla, Spain
- PNI Europe, The Hague, Netherlands
- Chair of Clinical Psychoneuroimmunology, University of Granada and PNI Europe, Granada, Spain
| | - Anne Wevers
- Department of Physiotherapy, University of Granada, Granada, Spain
- Faculty of Health Sciences, Melilla, Spain
- PNI Europe, The Hague, Netherlands
- Chair of Clinical Psychoneuroimmunology, University of Granada and PNI Europe, Granada, Spain
| | - Santiago Navarro-Ledesma
- Department of Physiotherapy, University of Granada, Granada, Spain
- Faculty of Health Sciences, Melilla, Spain
- PNI Europe, The Hague, Netherlands
- Chair of Clinical Psychoneuroimmunology, University of Granada and PNI Europe, Granada, Spain
| | - Leo Pruimboom
- PNI Europe, The Hague, Netherlands
- Chair of Clinical Psychoneuroimmunology, University of Granada and PNI Europe, Granada, Spain
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21
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Kandjani OJ, Yaqoubi S, Vahdati SS, Borhannejad B, Dastmalchi S, Alizadeh AA. S1PR1 modulators in multiple sclerosis: Efficacy, safety, comparison, and chemical structure insights. Eur J Med Chem 2023; 250:115182. [PMID: 36758307 DOI: 10.1016/j.ejmech.2023.115182] [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: 01/10/2023] [Revised: 02/01/2023] [Accepted: 02/01/2023] [Indexed: 02/07/2023]
Abstract
Multiple sclerosis (MS) is a neurological disease that leads to severe physical and cognitive disabilities. Drugs used in the treatment of MS vary from small synthetic molecules to large macromolecules such as antibodies. Sphingosine 1-phosphate receptor modulators are frequently used for the treatment of MS. These medicines prevent the egress of lymphocytes from secondary lymphoid organs leading to immune system suppression. Currently, four S1PR modulators are on the market and several potential drug candidates are in clinical trials for the treatment of MS. These compounds differ in chemical structure, adverse effects, and efficacy points of view. The current article reviews the latest studies on S1PR1 modulators and compares them with other MS drugs in terms of efficacy, tolerability, and safety. A special focus was dedicated to discussing the structure-activity relationships of these compounds and performing a three-dimensional quantitative structure-activity relationship (3D-QSAR) analysis to gain better insight into the ligand-receptor interaction mode.
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Affiliation(s)
- Omid Jamshidi Kandjani
- Biotechnology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Parmaceutical Analysis Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Shadi Yaqoubi
- Research Center for Integrative Medicine in Aging, Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Samad Shams Vahdati
- Emergency and Trauma Care Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Behnam Borhannejad
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran; School of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Siavoush Dastmalchi
- Biotechnology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; School of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran; Faculty of Pharmacy, Near East University, POBOX:99138, Nicosia, North Cyprus, Mersin 10, Turkey
| | - Ali Akbar Alizadeh
- Biotechnology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
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Burkard T, Herrero San Juan M, Dreis C, Kiprina A, Namgaladze D, Siebenbrodt K, Luger S, Foerch C, Pfeilschifter JM, Weigert A, Radeke HH. Differential expression of CD8 defines phenotypically distinct cytotoxic T cells in cancer and multiple sclerosis. Clin Transl Med 2022; 12:e1068. [PMID: 36504430 PMCID: PMC9742381 DOI: 10.1002/ctm2.1068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Revised: 09/13/2022] [Accepted: 09/19/2022] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Cytotoxic T lymphocytes take on a leading role in many immune-related diseases. They function as key effector immune cells fighting cancer cells, but they are also considerably involved in autoimmune diseases. Common to both situations, CD8+ T cells need to adapt their metabolism and effector function to the harsh and nutrient-deprived conditions of the disease-associated microenvironment. METHODS We used an in vitro starvation as well as rapamycin treatment protocol mimicking nutrient deprivation to generate CD8Low versus CD8High T cells and performed FACS-Sorting followed by transcriptomic profiling of the cytotoxic T cell subsets. Prominent markers identified in the CD8Low versus the CD8High T cells were then used to investigate the presence of these cell subsets in immune-related human diseases. Employing cancer tissue microarrays and PhenOptics multispectral imaging as well as flow cytometry, we studied these CD8+ T cell subsets in cancer and relapsing-remitting multiple sclerosis patients. RESULTS Starvation induced a decreased expression of CD8, yielding a CD8Low T cell subpopulation with an altered transcriptomic signature and reduced effector function. CD8Low T cell showed enhanced ST2L and IL6ST (CD130) expression compared to CD8High T cells which expressed elevated KLRD1 (CD94) and granzyme B levels within the tumour microenvironment (TME). Spatial analysis revealed the presence of CD8High T cells in close proximity to tumour cells, while the CD8Low T cells resided at the tumour boundaries. Importantly, the number of tumour-infiltrating CD8Low T lymphocytes correlated with a poor prognosis as well as with enhanced cancer progression in human mammary carcinoma. We also found a reduced frequency of CD8Low T lymphocytes in a cohort of relapse (disease active) multiple sclerosis patients compared to healthy subjects during immune cell starvation in vitro. CONCLUSIONS In summary, our data show that functionally distinct cytotoxic T lymphocytes can be identified based on their expression of CD8. Indicating a more general role in CD8 T cell immunity, these cells may play opposing roles in the TME, and also in the pathophysiology of autoimmune diseases such as multiple sclerosis.
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Affiliation(s)
- Tobias Burkard
- Pharmazentrum Frankfurt/ZAFESInstitute of Pharmacology and ToxicologyHospital of the Goethe UniversityFrankfurt am MainGermany
| | - Martina Herrero San Juan
- Pharmazentrum Frankfurt/ZAFESInstitute of Pharmacology and ToxicologyHospital of the Goethe UniversityFrankfurt am MainGermany
| | - Caroline Dreis
- Pharmazentrum Frankfurt/ZAFESInstitute of Pharmacology and ToxicologyHospital of the Goethe UniversityFrankfurt am MainGermany
| | - Anastasiia Kiprina
- Faculty of MedicineInstitute of Biochemistry IGoethe‐University Frankfurt/MainFrankfurt am MainGermany
| | - Dmitry Namgaladze
- Faculty of MedicineInstitute of Biochemistry IGoethe‐University Frankfurt/MainFrankfurt am MainGermany
| | - Kai Siebenbrodt
- Department of NeurologyGoethe University Hospital FrankfurtFrankfurt am MainGermany
- Epilepsy Center Frankfurt Rhine‐MainDepartment of NeurologyUniversity Hospital Frankfurt, Frankfurt, Germany
| | - Sebastian Luger
- Department of NeurologyGoethe University Hospital FrankfurtFrankfurt am MainGermany
| | - Christian Foerch
- Department of NeurologyGoethe University Hospital FrankfurtFrankfurt am MainGermany
| | - Josef M. Pfeilschifter
- Pharmazentrum Frankfurt/ZAFESInstitute of Pharmacology and ToxicologyHospital of the Goethe UniversityFrankfurt am MainGermany
| | - Andreas Weigert
- Faculty of MedicineInstitute of Biochemistry IGoethe‐University Frankfurt/MainFrankfurt am MainGermany
- Frankfurt Cancer InstituteGoethe‐University FrankfurtFrankfurtGermany
- Cardio‐Pulmonary Institute (CPI)FrankfurtGermany
| | - Heinfried H. Radeke
- Pharmazentrum Frankfurt/ZAFESInstitute of Pharmacology and ToxicologyHospital of the Goethe UniversityFrankfurt am MainGermany
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23
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Afridi R, Rahman MH, Suk K. Implications of glial metabolic dysregulation in the pathophysiology of neurodegenerative diseases. Neurobiol Dis 2022; 174:105874. [PMID: 36154877 DOI: 10.1016/j.nbd.2022.105874] [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: 12/13/2021] [Revised: 08/28/2022] [Accepted: 09/21/2022] [Indexed: 11/16/2022] Open
Abstract
Glial cells are the most abundant cells of the brain, outnumbering neurons. These multifunctional cells are crucial for maintaining brain homeostasis by providing trophic and nutritional support to neurons, sculpting synapses, and providing an immune defense. Glia are highly plastic and undergo both structural and functional alterations in response to changes in the brain microenvironment. Glial phenotypes are intimately regulated by underlying metabolic machinery, which dictates the effector functions of these cells. Altered brain energy metabolism and chronic neuroinflammation are common features of several neurodegenerative diseases. Microglia and astrocytes are the major glial cells fueling the ongoing neuroinflammatory process, exacerbating neurodegeneration. Distinct metabolic perturbations in microglia and astrocytes, including altered carbohydrate, lipid, and amino acid metabolism have been documented in neurodegenerative diseases. These disturbances aggravate the neurodegenerative process by potentiating the inflammatory activation of glial cells. This review covers the recent advances in the molecular aspects of glial metabolic changes in the pathophysiology of neurodegenerative diseases. Finally, we discuss studies exploiting glial metabolism as a potential therapeutic avenue in neurodegenerative diseases.
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Affiliation(s)
- Ruqayya Afridi
- Department of Pharmacology, School of Medicine, Kyungpook National University, Daegu 41944, Republic of Korea; BK21 Plus KNU Biomedical Convergence Program, Department of Biomedical Sciences, School of Medicine, Kyungpook National University, Daegu 41944, Republic of Korea
| | - Md Habibur Rahman
- Department of Pharmacology, School of Medicine, Kyungpook National University, Daegu 41944, Republic of Korea; Department of Neurology, The Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
| | - Kyoungho Suk
- Department of Pharmacology, School of Medicine, Kyungpook National University, Daegu 41944, Republic of Korea; BK21 Plus KNU Biomedical Convergence Program, Department of Biomedical Sciences, School of Medicine, Kyungpook National University, Daegu 41944, Republic of Korea; Brain Science and Engineering Institute, Kyungpook National University, Daegu 41944, Republic of Korea.
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24
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Huston P. A Sedentary and Unhealthy Lifestyle Fuels Chronic Disease Progression by Changing Interstitial Cell Behaviour: A Network Analysis. Front Physiol 2022; 13:904107. [PMID: 35874511 PMCID: PMC9304814 DOI: 10.3389/fphys.2022.904107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 05/27/2022] [Indexed: 11/13/2022] Open
Abstract
Managing chronic diseases, such as heart disease, stroke, diabetes, chronic lung disease and Alzheimer’s disease, account for a large proportion of health care spending, yet they remain in the top causes of premature mortality and are preventable. It is currently accepted that an unhealthy lifestyle fosters a state of chronic low-grade inflammation that is linked to chronic disease progression. Although this is known to be related to inflammatory cytokines, how an unhealthy lifestyle causes cytokine release and how that in turn leads to chronic disease progression are not well known. This article presents a theory that an unhealthy lifestyle fosters chronic disease by changing interstitial cell behavior and is supported by a six-level hierarchical network analysis. The top three networks include the macroenvironment, social and cultural factors, and lifestyle itself. The fourth network includes the immune, autonomic and neuroendocrine systems and how they interact with lifestyle factors and with each other. The fifth network identifies the effects these systems have on the microenvironment and two types of interstitial cells: macrophages and fibroblasts. Depending on their behaviour, these cells can either help maintain and restore normal function or foster chronic disease progression. When macrophages and fibroblasts dysregulate, it leads to chronic low-grade inflammation, fibrosis, and eventually damage to parenchymal (organ-specific) cells. The sixth network considers how macrophages change phenotype. Thus, a pathway is identified through this hierarchical network to reveal how external factors and lifestyle affect interstitial cell behaviour. This theory can be tested and it needs to be tested because, if correct, it has profound implications. Not only does this theory explain how chronic low-grade inflammation causes chronic disease progression, it also provides insight into salutogenesis, or the process by which health is maintained and restored. Understanding low-grade inflammation as a stalled healing process offers a new strategy for chronic disease management. Rather than treating each chronic disease separately by a focus on parenchymal pathology, a salutogenic strategy of optimizing interstitial health could prevent and mitigate multiple chronic diseases simultaneously.
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Affiliation(s)
- Patricia Huston
- Department of Family Medicine, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
- Institut du Savoir Montfort (Research), University of Ottawa, Ottawa, ON, Canada
- *Correspondence: Patricia Huston, , orcid.org/0000-0002-2927-1176
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25
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Hermann DM, Popa-Wagner A, Peruzzotti-Jametti L, Gunzer M. Editorial: Hot Topics in Cellular Neuropathology. Front Cell Neurosci 2022; 16:895861. [PMID: 35518643 PMCID: PMC9063755 DOI: 10.3389/fncel.2022.895861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Accepted: 04/06/2022] [Indexed: 11/17/2022] Open
Affiliation(s)
- Dirk M Hermann
- Department of Neurology, University Hospital Essen, Essen, Germany
| | - Aurel Popa-Wagner
- Experimental Research Center in Normal and Pathological Aging, University of Medicine and Pharmacy, Craiova, Romania
| | | | - Matthias Gunzer
- Institute of Experimental Immunology and Imaging, University Hospital Essen, Essen, Germany
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