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Turniak-Kusy M, Studzian M, Szpakowski P, Kuchta P, Smietanka K, Mattern C, Pulaski L, Bielecki B. Testosterone Inhibits Secretion of the Pro-Inflammatory Chemokine CXCL1 from Astrocytes. Curr Issues Mol Biol 2024; 46:2105-2118. [PMID: 38534751 DOI: 10.3390/cimb46030135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 02/25/2024] [Accepted: 03/01/2024] [Indexed: 03/28/2024] Open
Abstract
Astrocytes play an important role in the regulation of the inflammatory response in the CNS, e.g., in demyelinating diseases. Since the chemokine CXCL1 is known to be secreted by astrocytes and to have a pro-inflammatory effect on immune cells in the CNS, we verified the effect of testosterone on its secretion in vitro (in the astrocytic cell line DI TNC1). Testosterone reduced the increase in CXCL1 production caused by the pro-inflammatory agent lysophosphatidylcholine and restored the basal production level of CXCL1. The androgen receptor (present and functional in the studied cell line) was strongly suggested to mediate this effect-its non-steroid ligand flutamide exerted an agonist-like effect, mimicking the activity of testosterone itself on CXCL1 secretion. This novel mechanism has important implications for the known immunomodulatory effect of testosterone and potentially other androgenic hormones. It provides a potential explanation on the molecular level and shows that astrocytes are important players in inflammatory homeostasis in the CNS and its hormonal regulation. Therefore, it suggests new directions for the development of the therapeutic intervention.
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Affiliation(s)
| | - Maciej Studzian
- Department of Oncobiology and Epigenetics, Faculty of Biology and Environmental Protection, University of Lodz, 90-237 Lodz, Poland
- Laboratory of Transcriptional Regulation, Institute of Medical Biology, Polish Academy of Sciences, 90-364 Lodz, Poland
| | - Piotr Szpakowski
- Department of Neurology and Stroke, Medical University of Lodz, 90-549 Lodz, Poland
| | - Piotr Kuchta
- Faculty of Medicine, Medical University of Lodz, 90-419 Lodz, Poland
| | - Kaja Smietanka
- Department of Neurology and Stroke, Medical University of Lodz, 90-549 Lodz, Poland
| | - Claudia Mattern
- Oceanographic Center, Nova Southeastern University, Fort Lauderdale, FL 33314, USA
- M&P Pharma AG, 6376 Emmetten, Switzerland
| | - Lukasz Pulaski
- Department of Oncobiology and Epigenetics, Faculty of Biology and Environmental Protection, University of Lodz, 90-237 Lodz, Poland
- Laboratory of Transcriptional Regulation, Institute of Medical Biology, Polish Academy of Sciences, 90-364 Lodz, Poland
| | - Bartosz Bielecki
- Department of Neurology, Laboratory of Neuroimmunology, Medical University of Lodz, 90-153 Lodz, Poland
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2
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Jiang S, Liang J, Li W, Wang L, Song M, Xu S, Liu G, Du Q, Zhai D, Tang L, Yang Y, Zhang L, Zhang B. The role of CXCL1/CXCR2 axis in neurological diseases. Int Immunopharmacol 2023; 120:110330. [PMID: 37247498 DOI: 10.1016/j.intimp.2023.110330] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 04/26/2023] [Accepted: 05/09/2023] [Indexed: 05/31/2023]
Abstract
The C-X-C chemokine ligand (CXCL) 1 and its receptor C-X-C chemokine receptor (CXCR) 2 are widely expressed in the peripheral nervous systems (PNS) and central nervous systems (CNS) and are involved in the development of inflammation and pain after various nerve injuries. Once a nerve is damaged, it affects not only the neuron itself but also lesions elsewhere in its dominant site. After the CXCL1/CXCR2 axis is activated, multiple downstream pathways can be activated, such as c-Raf/MAPK/AP-1, p-PKC-μ/p-ILK/NLRP3, JAK2/STAT3, TAK1/NF-κB, etc. These pathways in turn mediate cellular motility state or cell migration. CXCR2 is expressed on the surface of neutrophils and monocytes/macrophages. These cells can be recruited to the lesion through the CXCL1/CXCR2 axis to participate in the inflammatory response. The expression of CXCR2 in neurons can activate some pathways in neurons through the CXCL1/CXCR2 axis, thereby causing damage to neurons. CXCR2 is also expressed in astrocytes, and when CXCR2 activated, it increases the number of astrocytes but impairs their function. Since inflammation can occur at almost any site of injury, elucidating the mechanism of CXCL1/CXCR2 axis' influence on inflammation may provide a favorable target for clinical treatment. Therefore, this article reviews the research progress of the CXCL1/CXCR2 axis in neurological diseases, aiming to provide a more meaningful theoretical basis for the treatment of neurological diseases.
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Affiliation(s)
- Suli Jiang
- Department of Immunology, Medical College of Qingdao University, Qingdao, Shandong 266071, PR China
| | - Jie Liang
- Department of Immunology, Medical College of Qingdao University, Qingdao, Shandong 266071, PR China
| | - Wei Li
- Department of Immunology, Medical College of Qingdao University, Qingdao, Shandong 266071, PR China
| | - Luoyang Wang
- Department of Immunology, Medical College of Qingdao University, Qingdao, Shandong 266071, PR China
| | - Meiying Song
- Department of Immunology, Medical College of Qingdao University, Qingdao, Shandong 266071, PR China
| | - Shuo Xu
- Department of Immunology, Medical College of Qingdao University, Qingdao, Shandong 266071, PR China
| | - Guixian Liu
- Department of Immunology, Medical College of Qingdao University, Qingdao, Shandong 266071, PR China
| | - Qiaochu Du
- Department of Immunology, Medical College of Qingdao University, Qingdao, Shandong 266071, PR China
| | - Dongchang Zhai
- Department of Special Medicine, School of Basic Medical College, Qingdao University, Qingdao, Shandong 266071, PR China
| | - Lei Tang
- Department of Special Medicine, School of Basic Medical College, Qingdao University, Qingdao, Shandong 266071, PR China
| | - Yanyan Yang
- Department of Immunology, Medical College of Qingdao University, Qingdao, Shandong 266071, PR China
| | - Li Zhang
- Department of Immunology, Medical College of Qingdao University, Qingdao, Shandong 266071, PR China
| | - Bei Zhang
- Department of Immunology, Medical College of Qingdao University, Qingdao, Shandong 266071, PR China.
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Korbecki J, Gąssowska-Dobrowolska M, Wójcik J, Szatkowska I, Barczak K, Chlubek M, Baranowska-Bosiacka I. The Importance of CXCL1 in Physiology and Noncancerous Diseases of Bone, Bone Marrow, Muscle and the Nervous System. Int J Mol Sci 2022; 23:ijms23084205. [PMID: 35457023 PMCID: PMC9024980 DOI: 10.3390/ijms23084205] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 04/08/2022] [Accepted: 04/09/2022] [Indexed: 02/04/2023] Open
Abstract
This review describes the role of CXCL1, a chemokine crucial in inflammation as a chemoattractant for neutrophils, in physiology and in selected major non-cancer diseases. Due to the vast amount of available information, we focus on the role CXCL1 plays in the physiology of bones, bone marrow, muscle and the nervous system. For this reason, we describe its effects on hematopoietic stem cells, myoblasts, oligodendrocyte progenitors and osteoclast precursors. We also present the involvement of CXCL1 in diseases of selected tissues and organs including Alzheimer’s disease, epilepsy, herpes simplex virus type 1 (HSV-1) encephalitis, ischemic stroke, major depression, multiple sclerosis, neuromyelitis optica, neuropathic pain, osteoporosis, prion diseases, rheumatoid arthritis, tick-borne encephalitis (TBE), traumatic spinal cord injury and West Nile fever.
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Affiliation(s)
- Jan Korbecki
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University, Powstańców Wlkp. 72 Av., 70-111 Szczecin, Poland; (J.K.); (M.C.)
- Department of Ruminants Science, Faculty of Biotechnology and Animal Husbandry, West Pomeranian University of Technology, Klemensa Janickiego 29 St., 71-270 Szczecin, Poland; (J.W.); (I.S.)
| | - Magdalena Gąssowska-Dobrowolska
- Department of Cellular Signalling, Mossakowski Medical Research Institute, Polish Academy of Sciences, Pawińskiego 5, 02-106 Warsaw, Poland;
| | - Jerzy Wójcik
- Department of Ruminants Science, Faculty of Biotechnology and Animal Husbandry, West Pomeranian University of Technology, Klemensa Janickiego 29 St., 71-270 Szczecin, Poland; (J.W.); (I.S.)
| | - Iwona Szatkowska
- Department of Ruminants Science, Faculty of Biotechnology and Animal Husbandry, West Pomeranian University of Technology, Klemensa Janickiego 29 St., 71-270 Szczecin, Poland; (J.W.); (I.S.)
| | - Katarzyna Barczak
- Department of Conservative Dentistry and Endodontics, Pomeranian Medical University, Powstańców Wlkp. 72 Av., 70-111 Szczecin, Poland;
| | - Mikołaj Chlubek
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University, Powstańców Wlkp. 72 Av., 70-111 Szczecin, Poland; (J.K.); (M.C.)
| | - Irena Baranowska-Bosiacka
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University, Powstańców Wlkp. 72 Av., 70-111 Szczecin, Poland; (J.K.); (M.C.)
- Correspondence: ; Tel.: +48-914-661-515
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Monaghan KL, Aesoph D, Ammer AG, Zheng W, Rahimpour S, Farris BY, Spinner CA, Li P, Lin JX, Yu ZX, Lazarevic V, Hu G, Leonard WJ, Wan ECK. Tetramerization of STAT5 promotes autoimmune-mediated neuroinflammation. Proc Natl Acad Sci U S A 2021; 118:e2116256118. [PMID: 34934004 PMCID: PMC8719886 DOI: 10.1073/pnas.2116256118] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/02/2021] [Indexed: 12/14/2022] Open
Abstract
Signal tranducer and activator of transcription 5 (STAT5) plays a critical role in mediating cellular responses following cytokine stimulation. STAT proteins critically signal via the formation of dimers, but additionally, STAT tetramers serve key biological roles, and we previously reported their importance in T and natural killer (NK) cell biology. However, the role of STAT5 tetramerization in autoimmune-mediated neuroinflammation has not been investigated. Using the STAT5 tetramer-deficient Stat5a-Stat5b N-domain double knockin (DKI) mouse strain, we report here that STAT5 tetramers promote the pathogenesis of experimental autoimmune encephalomyelitis (EAE). The mild EAE phenotype observed in DKI mice correlates with the impaired extravasation of pathogenic T-helper 17 (Th17) cells and interactions between Th17 cells and monocyte-derived cells (MDCs) in the meninges. We further demonstrate that granulocyte-macrophage colony-stimulating factor (GM-CSF)-mediated STAT5 tetramerization regulates the production of CCL17 by MDCs. Importantly, CCL17 can partially restore the pathogenicity of DKI Th17 cells, and this is dependent on the activity of the integrin VLA-4. Thus, our study reveals a GM-CSF-STAT5 tetramer-CCL17 pathway in MDCs that promotes autoimmune neuroinflammation.
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Affiliation(s)
- Kelly L Monaghan
- Department of Microbiology, Immunology, and Cell Biology, West Virginia University, Morgantown, WV 26506
| | - Drake Aesoph
- Department of Microbiology, Immunology, and Cell Biology, West Virginia University, Morgantown, WV 26506
- Department of Computer Science and Electrical Engineering, West Virginia University, Morgantown, WV 26506
| | - Amanda G Ammer
- Department of Microbiology, Immunology, and Cell Biology, West Virginia University, Morgantown, WV 26506
- Microscope Imaging Facility, West Virginia University, Morgantown, WV 26506
| | - Wen Zheng
- Department of Microbiology, Immunology, and Cell Biology, West Virginia University, Morgantown, WV 26506
| | - Shokofeh Rahimpour
- Department of Microbiology, Immunology, and Cell Biology, West Virginia University, Morgantown, WV 26506
| | - Breanne Y Farris
- Department of Microbiology, Immunology, and Cell Biology, West Virginia University, Morgantown, WV 26506
| | - Camille A Spinner
- Experimental Immunology Branch, National Cancer Institute, NIH, Bethesda, MD 20892
| | - Peng Li
- Laboratory of Molecular Immunology, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD 20892
| | - Jian-Xin Lin
- Laboratory of Molecular Immunology, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD 20892
| | - Zu-Xi Yu
- Pathology Core, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD 20892
| | - Vanja Lazarevic
- Experimental Immunology Branch, National Cancer Institute, NIH, Bethesda, MD 20892
| | - Gangqing Hu
- Department of Microbiology, Immunology, and Cell Biology, West Virginia University, Morgantown, WV 26506
- Bioinformatics Core, West Virginia University, Morgantown, WV 26506
| | - Warren J Leonard
- Laboratory of Molecular Immunology, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD 20892;
| | - Edwin C K Wan
- Department of Microbiology, Immunology, and Cell Biology, West Virginia University, Morgantown, WV 26506;
- Department of Neuroscience, West Virginia University, Morgantown, WV 26506
- Rockefeller Neuroscience Institute, West Virginia University, Morgantown, WV 26506
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5
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Zhao X, Liu S, Yang X, Liu Y, Liu G, Fan K, Ma J. Cathepsin C aggravates neuroinflammation via promoting production of CCL2 and CXCL2 in glial cells and neurons in a cryogenic brain lesion. Neurochem Int 2021; 148:105107. [PMID: 34171415 DOI: 10.1016/j.neuint.2021.105107] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 04/19/2021] [Accepted: 06/18/2021] [Indexed: 12/11/2022]
Abstract
OBJECTIVE Chemokines regulate infiltration of immune cells to brain in inflammation. Cathepsin C (CatC), a lysosomal protease, has been found to participate in neuroinflammation. However, how CatC affects chemokines expression in neuroinflammation triggered by traumatic brain injury (TBI) remains unclear. Here, we investigated the effects of CatC on chemokines and neuroinflammation in TBI. METHODS The present study used CatC knockdown (KD) and overexpression (OE) mice to generate cryogenic brain lesion model and determined effects of CatC on expression of chemokines CCL2, CCL5 and CXCL2 and infiltration of immune cells in acute and chronic phases of the lesion. Further, cellular sources of various chemokines were demonstrated in vitro. Values were compared with wild type (WT) mice. RESULTS The results found that 6 h after lesion, CatC expression,IL-1β and TNF-α mRNA and protein expression were strongly induced in the lesions; CCL2 and CXCL2 mRNA and protein expression were increased in CatC OE mice, while decreased in CatC KD mice. On the 3rd day after lesion, macrophages and neutrophils were mainly infiltrated to the lesions. Simultaneously, Iba-1+ cells in CatC OE mice were increased, while MPO + cells in CatC KD mice were decreased. In contrast, on the 28th day after lesion, a few lymphocytes were infiltrated surrounding new blood vessels. CatC OE mice showed larger volumes of scar areas, higher expression of CCL2,CXCL2,IL-1β,TNF-α,IL-6 and iNOS, as well as stronger GFAP+ and Iba-1+ signals, while CatC KD mice had reversed effects. No significant differences of CCL5 expression were found in various genotype mice. Further, in vitro study demonstrated CatC-induced expression of CCL2 were mainly derived from microglia and neurons, while CXCL2 derived from microglia and astrocytes. CONCLUSION Our data indicate that CatC aggravates neuroinflammation via promoting production of CCL2 and CXCL2 in glial cells and neurons in a cryogenic brain lesion, providing potential cellular and molecular targets for future intervention of TBI and other neuroinflammatory diseases.
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Affiliation(s)
- Xinnan Zhao
- Department of Anatomy, College of Basic Medical Sciences, Dalian Medical University, Dalian, Liaoning, China.
| | - Shuang Liu
- Department of Anatomy, College of Basic Medical Sciences, Dalian Medical University, Dalian, Liaoning, China.
| | - Xiaohan Yang
- Department of Morphology, College of Basic Medical Sciences, Dalian Medical University, Dalian, Liaoning, China.
| | - Yanna Liu
- Department of Anatomy, College of Basic Medical Sciences, Dalian Medical University, Dalian, Liaoning, China.
| | - Gang Liu
- Department of Anatomy, College of Basic Medical Sciences, Dalian Medical University, Dalian, Liaoning, China.
| | - Kai Fan
- Department of Anatomy, College of Basic Medical Sciences, Dalian Medical University, Dalian, Liaoning, China.
| | - Jianmei Ma
- Department of Anatomy, College of Basic Medical Sciences, Dalian Medical University, Dalian, Liaoning, China; National-Local Joint Engineering Research Center for Drug-Research and Development (R&D) of Neurodegenerative Diseases, Dalian Medical University, Dalian, Liaoning, China.
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6
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Ghafouri-Fard S, Honarmand K, Taheri M. A comprehensive review on the role of chemokines in the pathogenesis of multiple sclerosis. Metab Brain Dis 2021; 36:375-406. [PMID: 33404937 DOI: 10.1007/s11011-020-00648-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Accepted: 11/16/2020] [Indexed: 02/07/2023]
Abstract
Multiple sclerosis (MS) as a chronic inflammatory disorder of the central nervous system (CNS) is thought to be caused by the abnormal induction of immune responses. Chemokines as molecules that can engage leukocytes into the location of inflammation, actively participate in the pathogenesis of MS. Several members of this family of chemo attractants have been shown to be dysregulated in the peripheral blood, cerebrospinal fluid or CNS lesions of MS patients. Studies in animal models of MS particularly experimental autoimmune encephalomyelitis have indicated the critical roles of chemokines in the pathophysiology of MS. In the current review, we summarize the data regarding the role of CCL2, CCL3, CCL4, CCL11, CCL20, CXCL1, CXCL2, CXCL8, CXCL10, CXCL12 and CXCL13 in the pathogenesis of MS.
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Affiliation(s)
- Soudeh Ghafouri-Fard
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Kasra Honarmand
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Taheri
- Urogenital Stem Cell Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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7
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Yuan B, Clark CA, Wu B, Yang J, Drerup JM, Li T, Jin VX, Hu Y, Curiel TJ, Li R. Estrogen receptor beta signaling in CD8 + T cells boosts T cell receptor activation and antitumor immunity through a phosphotyrosine switch. J Immunother Cancer 2021; 9:jitc-2020-001932. [PMID: 33462142 PMCID: PMC7816924 DOI: 10.1136/jitc-2020-001932] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/15/2020] [Indexed: 12/23/2022] Open
Abstract
The non-overlapping functions of the two estrogen receptor subtypes, ERα (Estrogen Receptor α)and ERβ (Estrogen Receptor β), in tumor cells have been studied extensively. However, their counterparts in host cells is vastly underinterrogated. Even less is known about how ERα and ERβ activities are regulated in a subtype-specific manner. We previously identified a phosphotyrosine residue (pY36) of human ERβ that is important for tumor ERβ to inhibit growth of breast cancer cells in vitro and in vivo. A role of this ERβ phosphotyrosine switch in regulating host ERβ remains unclear.Conventional gene editing was used to mutate the corresponding tyrosine residue of endogenous mouse ERβ (Y55F) in mouse embryonic stem cells. The derived homozygous mutant Esr2Y55F/Y55F mouse strain and its wild-type (WT) counterpart were compared in various transplant tumor models for their ability to support tumor growth. In addition, flow cytometry-based immunophenotyping was carried out to assess antitumor immunity of WT and mutant hosts. Adoptive transfer of bone marrow and purified CD8+ T cells were performed to identify the host cell type that harbors ERβ-dependent antitumor function. Furthermore, cell signaling assays were conducted to compare T cell receptor (TCR)-initiated signaling cascade in CD8+ T cells of WT and mutant mice. Lastly, the ERβ-selective agonist S-equol was evaluated for its efficacy to boost immune checkpoint blockade (ICB)-based anticancer immunotherapy.Disabling the ERβ-specific phosphotyrosine switch in tumor-bearing hosts exacerbates tumor growth. Further, a cell-autonomous ERβ function was defined in CD8+ effector T cells. Mechanistically, TCR activation triggers ERβ phosphorylation, which in turn augments the downstream TCR signaling cascade via a non-genomic action of ERβ. S-equol facilitates TCR activation that stimulates the ERβ phosphotyrosine switch and boosts anti-PD-1 (Programmed cell death protein 1) ICB immunotherapy. Our mouse genetic study clearly demonstrates a role of the ERβ phosphotyrosine switch in regulating ERβ-dependent antitumor immunity in CD8+ T cells. Our findings support the development of ERβ agonists including S-equol in combination with ICB immunotherapy for cancer treatment.
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Affiliation(s)
- Bin Yuan
- Department of Biochemistry & Molecular Medicine, School of Medicine & Health Sciences, The George Washington University, Washington, District of Columbia, USA
| | - Curtis A Clark
- Department of Medicine, The Mays Cancer Center, University of Texas Health San Antonio, San Antonio, Texas, USA
| | - Bogang Wu
- Department of Biochemistry & Molecular Medicine, School of Medicine & Health Sciences, The George Washington University, Washington, District of Columbia, USA
| | - Jing Yang
- Department of Biochemistry & Molecular Medicine, School of Medicine & Health Sciences, The George Washington University, Washington, District of Columbia, USA
| | - Justin M Drerup
- Department of Medicine, The Mays Cancer Center, University of Texas Health San Antonio, San Antonio, Texas, USA
| | - Tianbao Li
- Department of Molecular Medicine, The Mays Cancer Center, University of Texas Health San Antonio, San Antonio, Texas, USA
| | - Victor X Jin
- Department of Molecular Medicine, The Mays Cancer Center, University of Texas Health San Antonio, San Antonio, Texas, USA
| | - Yanfen Hu
- Department of Anatomy & Cell Biology, School of Medicine & Health Sciences, The George Washington University, Washington, District of Columbia, USA
| | - Tyler J Curiel
- Department of Medicine, The Mays Cancer Center, University of Texas Health San Antonio, San Antonio, Texas, USA
| | - Rong Li
- Department of Biochemistry & Molecular Medicine, School of Medicine & Health Sciences, The George Washington University, Washington, District of Columbia, USA
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Naffaa V, Laprévote O, Schang AL. Effects of endocrine disrupting chemicals on myelin development and diseases. Neurotoxicology 2020; 83:51-68. [PMID: 33352275 DOI: 10.1016/j.neuro.2020.12.009] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 12/10/2020] [Accepted: 12/16/2020] [Indexed: 12/14/2022]
Abstract
In the central and peripheral nervous systems, myelin is essential for efficient conduction of action potentials. During development, oligodendrocytes and Schwann cells differentiate and ensure axon myelination, and disruption of these processes can contribute to neurodevelopmental disorders. In adults, demyelination can lead to important disabilities, and recovery capacities by remyelination often decrease with disease progression. Among environmental chemical pollutants, endocrine disrupting chemicals (EDCs) are of major concern for human health and are notably suspected to participate in neurodevelopmental and neurodegenerative diseases. In this review, we have combined the current knowledge on EDCs impacts on myelin including several persistent organic pollutants, bisphenol A, triclosan, heavy metals, pesticides, and nicotine. Besides, we presented several other endocrine modulators, including pharmaceuticals and the phytoestrogen genistein, some of which are candidates for treating demyelinating conditions but could also be deleterious as contaminants. The direct impacts of EDCs on myelinating cells were considered as well as their indirect consequences on myelin, particularly on immune mechanisms associated with demyelinating conditions. More studies are needed to describe the effects of these compounds and to further understand the underlying mechanisms in relation to the potential for endocrine disruption.
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Affiliation(s)
- Vanessa Naffaa
- Université de Paris, UMR 8038 (CiTCoM), CNRS, Faculté de Pharmacie de Paris, 4 avenue de l'Observatoire, 75006 Paris, France.
| | - Olivier Laprévote
- Université de Paris, UMR 8038 (CiTCoM), CNRS, Faculté de Pharmacie de Paris, 4 avenue de l'Observatoire, 75006 Paris, France; Hôpital Européen Georges Pompidou, AP-HP, Service de Biochimie, 20 rue Leblanc, 75015 Paris, France.
| | - Anne-Laure Schang
- Université de Paris, UMR 1153 (CRESS), Faculté de Pharmacie de Paris, 4 avenue de l'Observatoire, 75006 Paris, France.
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9
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Lapato AS, Thompson SM, Parra K, Tiwari-Woodruff SK. Astrocyte Glutamate Uptake and Water Homeostasis Are Dysregulated in the Hippocampus of Multiple Sclerosis Patients With Seizures. ASN Neuro 2020; 12:1759091420979604. [PMID: 33297722 PMCID: PMC7734542 DOI: 10.1177/1759091420979604] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
While seizure disorders are more prevalent among multiple sclerosis (MS) patients than the population overall and prognosticate earlier death & disability, their etiology remains unclear. Translational data indicate perturbed expression of astrocytic molecules contributing to homeostatic neuronal excitability, including water channels (AQP4) and synaptic glutamate transporters (EAAT2), in a mouse model of MS with seizures (MS+S). However, astrocytes in MS+S have not been examined. To assess the translational relevance of astrocyte dysfunction observed in a mouse model of MS+S, demyelinated lesion burden, astrogliosis, and astrocytic biomarkers (AQP4/EAAT2/ connexin-CX43) were evaluated by immunohistochemistry in postmortem hippocampi from MS & MS+S donors. Lesion burden was comparable in MS & MS+S cohorts, but astrogliosis was elevated in MS+S CA1 with a concomitant decrease in EAAT2 signal intensity. AQP4 signal declined in MS+S CA1 & CA3 with a loss of perivascular AQP4 in CA1. CX43 expression was increased in CA3. Together, these data suggest that hippocampal astrocytes from MS+S patients display regional differences in expression of molecules associated with glutamate buffering and water homeostasis that could exacerbate neuronal hyperexcitability. Importantly, mislocalization of CA1 perivascular AQP4 seen in MS+S is analogous to epileptic hippocampi without a history of MS, suggesting convergent pathophysiology. Furthermore, as neuropathology was concentrated in MS+S CA1, future study is warranted to determine the pathophysiology driving regional differences in glial function in the context of seizures during demyelinating disease.
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Affiliation(s)
- Andrew S Lapato
- Division of Biomedical Sciences, UCR School of Medicine, Riverside, California, United States.,Center for Glial-Neuronal Interaction, UCR School of Medicine, Riverside, California, United States
| | - Sarah M Thompson
- Division of Biomedical Sciences, UCR School of Medicine, Riverside, California, United States
| | - Karen Parra
- Division of Biomedical Sciences, UCR School of Medicine, Riverside, California, United States
| | - Seema K Tiwari-Woodruff
- Division of Biomedical Sciences, UCR School of Medicine, Riverside, California, United States.,Center for Glial-Neuronal Interaction, UCR School of Medicine, Riverside, California, United States.,Department of Neuroscience, UCR School of Medicine, Riverside, California, United States
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10
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Pérez-Soriano A, Bravo P, Soto M, Infante J, Fernández M, Valldeoriola F, Muñoz E, Compta Y, Tolosa E, Garrido A, Ezquerra M, Fernández-Santiago R, Martí MJ. MicroRNA Deregulation in Blood Serum Identifies Multiple System Atrophy Altered Pathways. Mov Disord 2020; 35:1873-1879. [PMID: 32687224 DOI: 10.1002/mds.28143] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 05/16/2020] [Accepted: 05/20/2020] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND AND OBJECTIVES MicroRNA (miRNA) changes are observed in PD but remain poorly explored in other α-synucleinopathies such as MSA. METHODS By genome-wide analysis we profiled microRNA expression in serum from 20 MSA cases compared to 40 controls. By qPCR we validated top differentially expressed microRNAs in another sample of 20 MSA and 20 controls. We also assessed the expression of MSA differentially expressed microRNAs in two consecutive sets of 19 and 18 PD patients. RESULTS In the discovery set we identified 25 differentially expressed microRNAs associated with MSA, which are related to prion disease, fatty acid metabolism, and Notch signaling. Among these, we selected nine differentially expressed microRNAs and by qPCR confirmed array findings in a second MSA sample. MicroRNA-7641 and microRNA-191 consistently differentiated between MSA and PD. CONCLUSIONS Serum microRNA changes occur in MSA and may reflect disease-associated mechanisms. We identified two microRNAs which may differentiate MSA from PD. © 2020 International Parkinson and Movement Disorder Society.
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Affiliation(s)
- Alexandra Pérez-Soriano
- Lab of Parkinson Disease and Other Neurodegenerative Movement Disorders: Clinical and Experimental Research; Department of Neurology, Hospital Clínic de Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Institut de Neurociències, Universitat de Barcelona, Barcelona, Spain.,Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED: CB06/05/0018-ISCIII) Barcelona, Spain.,Parkinson's disease & Movement Disorders Unit, Neurology Service, Hospital Clínic de Barcelona, ERN-RND, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, Barcelona, Spain
| | - Paloma Bravo
- Lab of Parkinson Disease and Other Neurodegenerative Movement Disorders: Clinical and Experimental Research; Department of Neurology, Hospital Clínic de Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Institut de Neurociències, Universitat de Barcelona, Barcelona, Spain
| | - Marta Soto
- Lab of Parkinson Disease and Other Neurodegenerative Movement Disorders: Clinical and Experimental Research; Department of Neurology, Hospital Clínic de Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Institut de Neurociències, Universitat de Barcelona, Barcelona, Spain
| | - Jon Infante
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED: CB06/05/0018-ISCIII) Barcelona, Spain.,Movement Disorders Unit, Department of Neurology, Hospital Universitario Marqués de Valdecilla, Universidad de Cantabria, Santander, Spain
| | - Manel Fernández
- Lab of Parkinson Disease and Other Neurodegenerative Movement Disorders: Clinical and Experimental Research; Department of Neurology, Hospital Clínic de Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Institut de Neurociències, Universitat de Barcelona, Barcelona, Spain.,Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED: CB06/05/0018-ISCIII) Barcelona, Spain.,Parkison's disease and Movement Disorders group of the Institut de Neurociènices (Universitat de Barcelona), Barcelona, Spain
| | - Francesc Valldeoriola
- Lab of Parkinson Disease and Other Neurodegenerative Movement Disorders: Clinical and Experimental Research; Department of Neurology, Hospital Clínic de Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Institut de Neurociències, Universitat de Barcelona, Barcelona, Spain.,Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED: CB06/05/0018-ISCIII) Barcelona, Spain.,Parkinson's disease & Movement Disorders Unit, Neurology Service, Hospital Clínic de Barcelona, ERN-RND, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, Barcelona, Spain
| | - Esteban Muñoz
- Lab of Parkinson Disease and Other Neurodegenerative Movement Disorders: Clinical and Experimental Research; Department of Neurology, Hospital Clínic de Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Institut de Neurociències, Universitat de Barcelona, Barcelona, Spain.,Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED: CB06/05/0018-ISCIII) Barcelona, Spain.,Parkinson's disease & Movement Disorders Unit, Neurology Service, Hospital Clínic de Barcelona, ERN-RND, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, Barcelona, Spain
| | - Yaroslau Compta
- Lab of Parkinson Disease and Other Neurodegenerative Movement Disorders: Clinical and Experimental Research; Department of Neurology, Hospital Clínic de Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Institut de Neurociències, Universitat de Barcelona, Barcelona, Spain.,Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED: CB06/05/0018-ISCIII) Barcelona, Spain.,Parkinson's disease & Movement Disorders Unit, Neurology Service, Hospital Clínic de Barcelona, ERN-RND, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, Barcelona, Spain
| | - Eduard Tolosa
- Lab of Parkinson Disease and Other Neurodegenerative Movement Disorders: Clinical and Experimental Research; Department of Neurology, Hospital Clínic de Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Institut de Neurociències, Universitat de Barcelona, Barcelona, Spain.,Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED: CB06/05/0018-ISCIII) Barcelona, Spain.,Parkinson's disease & Movement Disorders Unit, Neurology Service, Hospital Clínic de Barcelona, ERN-RND, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, Barcelona, Spain
| | - Alicia Garrido
- Lab of Parkinson Disease and Other Neurodegenerative Movement Disorders: Clinical and Experimental Research; Department of Neurology, Hospital Clínic de Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Institut de Neurociències, Universitat de Barcelona, Barcelona, Spain.,Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED: CB06/05/0018-ISCIII) Barcelona, Spain.,Parkinson's disease & Movement Disorders Unit, Neurology Service, Hospital Clínic de Barcelona, ERN-RND, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, Barcelona, Spain
| | - Mario Ezquerra
- Lab of Parkinson Disease and Other Neurodegenerative Movement Disorders: Clinical and Experimental Research; Department of Neurology, Hospital Clínic de Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Institut de Neurociències, Universitat de Barcelona, Barcelona, Spain.,Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED: CB06/05/0018-ISCIII) Barcelona, Spain
| | - Rubén Fernández-Santiago
- Lab of Parkinson Disease and Other Neurodegenerative Movement Disorders: Clinical and Experimental Research; Department of Neurology, Hospital Clínic de Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Institut de Neurociències, Universitat de Barcelona, Barcelona, Spain.,Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED: CB06/05/0018-ISCIII) Barcelona, Spain
| | - María-José Martí
- Lab of Parkinson Disease and Other Neurodegenerative Movement Disorders: Clinical and Experimental Research; Department of Neurology, Hospital Clínic de Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Institut de Neurociències, Universitat de Barcelona, Barcelona, Spain.,Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED: CB06/05/0018-ISCIII) Barcelona, Spain.,Parkinson's disease & Movement Disorders Unit, Neurology Service, Hospital Clínic de Barcelona, ERN-RND, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, Barcelona, Spain
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11
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Madsen PM, Desu HL, Vaccari JPDR, Florimon Y, Ellman DG, Keane RW, Clausen BH, Lambertsen KL, Brambilla R. Oligodendrocytes modulate the immune-inflammatory response in EAE via TNFR2 signaling. Brain Behav Immun 2020; 84:132-146. [PMID: 31785393 PMCID: PMC7010565 DOI: 10.1016/j.bbi.2019.11.017] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 11/08/2019] [Accepted: 11/23/2019] [Indexed: 01/02/2023] Open
Abstract
The pleotropic cytokine tumor necrosis factor (TNF) is involved in the pathophysiology of multiple sclerosis (MS). In various models of MS, including experimental autoimmune encephalomyelitis (EAE), the membrane-bound form of TNF (tmTNF), which signals primarily via TNFR2, mediates protective and reparative effects, whereas the soluble form (solTNF), which signals primarily via TNFR1, promotes pro-inflammatory and detrimental functions. In this study, we investigated the role of TNFR2 expressed in oligodendrocytes in the early phase of EAE pathogenesis. We demonstrated that mice with specific ablation of oligodendroglial TNFR2 displayed early onset and higher peak of motor dysfunction when subjected to EAE, in advance of which accelerated infiltration of immune cells was observed as early as 10 days post EAE induction. The immune cell influx was preceded by microglial activation and increased blood brain barrier permeability. Lack of oligodendroglial TNFR2 accelerated the expression of inflammatory cytokines as well as expression and activation of the inflammasome. Gene expression profiling of oligodendrocytes sorted from the spinal cord 14 days post EAE induction showed robust upregulation of inflammatory genes, some of which were elevated in cells lacking TNFR2 compared to controls. Together, our data demonstrate that oligodendrocytes are directly involved in inflammation and immune modulation in CNS disease and this function is regulated, at least in part, by TNFR2.
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Affiliation(s)
- Pernille M. Madsen
- The Miami Project To Cure Paralysis, Dept. Neurological Surgery, University of Miami Miller School of Medicine, FL 33136, USA,Dept. Neurobiology Research, Institute of Molecular Medicine, University of Southern Denmark, Odense, Denmark
| | - Haritha L. Desu
- The Miami Project To Cure Paralysis, Dept. Neurological Surgery, University of Miami Miller School of Medicine, FL 33136, USA,The Neuroscience Program, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Juan Pablo de Rivero Vaccari
- The Miami Project To Cure Paralysis, Dept. Neurological Surgery, University of Miami Miller School of Medicine, FL 33136, USA
| | - Yoleinny Florimon
- The Miami Project To Cure Paralysis, Dept. Neurological Surgery, University of Miami Miller School of Medicine, FL 33136, USA
| | - Ditte G. Ellman
- Dept. Neurobiology Research, Institute of Molecular Medicine, University of Southern Denmark, Odense, Denmark
| | - Robert W. Keane
- The Miami Project To Cure Paralysis, Dept. Neurological Surgery, University of Miami Miller School of Medicine, FL 33136, USA,The Neuroscience Program, University of Miami Miller School of Medicine, Miami, FL 33136, USA,Dept. Physiology and Biophysics University of Miami Miller School of Medicine, FL 33136, USA
| | - Bettina H. Clausen
- Dept. Neurobiology Research, Institute of Molecular Medicine, University of Southern Denmark, Odense, Denmark,BRIDGE - Brain Research Inter Disciplinary Guided Excellence, Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Kate L. Lambertsen
- Dept. Neurobiology Research, Institute of Molecular Medicine, University of Southern Denmark, Odense, Denmark,Department of Neurology, Odense University Hospital, Odense, Denmark,BRIDGE - Brain Research Inter Disciplinary Guided Excellence, Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Roberta Brambilla
- The Miami Project to Cure Paralysis, Dept. Neurological Surgery, University of Miami Miller School of Medicine, FL 33136, USA; Dept. Neurobiology Research, Institute of Molecular Medicine, University of Southern Denmark, Odense, Denmark; The Neuroscience Program, University of Miami Miller School of Medicine, Miami, FL 33136, USA; BRIDGE - Brain Research Inter Disciplinary Guided Excellence, Department of Clinical Research, University of Southern Denmark, Odense, Denmark.
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12
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Watson AES, Goodkey K, Footz T, Voronova A. Regulation of CNS precursor function by neuronal chemokines. Neurosci Lett 2020; 715:134533. [DOI: 10.1016/j.neulet.2019.134533] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Revised: 09/16/2019] [Accepted: 10/01/2019] [Indexed: 02/07/2023]
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13
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Skinner DD, Lane TE. CXCR2 Signaling and Remyelination in Preclinical Models of Demyelination. DNA Cell Biol 2020; 39:3-7. [PMID: 31851535 PMCID: PMC6978782 DOI: 10.1089/dna.2019.5182] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Accepted: 10/25/2019] [Indexed: 12/26/2022] Open
Abstract
The chemokine receptor CXCR2 is a receptor for CXC chemokines, including CXCL1 and CXCL2. CXCR2 is expressed by resident cells of the central nervous system, including neurons, microglia, oligodendrocyte progenitor cells (OPCs), and oligodendrocytes. CXCR2 signaling is important in regulating OPC biology with regard to positional migration and myelination during development. More recently, studies have argued that CXCR2 is involved in controlling events related to remyelination after experimentally induced demyelination. This review examines the concept that targeting CXCR2 may offer a novel therapeutic target for promoting remyelination.
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Affiliation(s)
- Dominic D. Skinner
- Division of Microbiology and Immunology, Department of Pathology, University of Utah School of Medicine, Salt Lake City, Utah
| | - Thomas E. Lane
- Division of Microbiology and Immunology, Department of Pathology, University of Utah School of Medicine, Salt Lake City, Utah
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14
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Ritprajak P, Kaewraemruaen C, Hirankarn N. Current Paradigms of Tolerogenic Dendritic Cells and Clinical Implications for Systemic Lupus Erythematosus. Cells 2019; 8:cells8101291. [PMID: 31640263 PMCID: PMC6830089 DOI: 10.3390/cells8101291] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Revised: 10/05/2019] [Accepted: 10/16/2019] [Indexed: 12/12/2022] Open
Abstract
Tolerogenic dendritic cells (tolDCs) are central players in the initiation and maintenance of immune tolerance and subsequent prevention of autoimmunity. Recent advances in treatment of autoimmune diseases including systemic lupus erythematosus (SLE) have focused on inducing specific tolerance to avoid long-term use of immunosuppressive drugs. Therefore, DC-targeted therapies to either suppress DC immunogenicity or to promote DC tolerogenicity are of high interest. This review describes details of the typical characteristics of in vivo and ex vivo tolDC, which will help to select a protocol that can generate tolDC with high functional quality for clinical treatment of autoimmune disease in individual patients. In addition, we discuss the recent studies uncovering metabolic pathways and their interrelation intertwined with DC tolerogenicity. This review also highlights the clinical implications of tolDC-based therapy for SLE treatment, examines the current clinical therapeutics in patients with SLE, which can generate tolDC in vivo, and further discusses on possibility and limitation on each strategy. This synthesis provides new perspectives on development of novel therapeutic approaches for SLE and other autoimmune diseases.
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Affiliation(s)
- Patcharee Ritprajak
- Research Unit in Integrative Immuno-Microbial Biochemistry and Bioresponsive Nanomaterials, Faculty of Dentistry, Chulalongkorn University, Bangkok 10330, Thailand.
- Department of Microbiology, Faculty of Dentistry, Chulalongkorn University, Bangkok 10330, Thailand.
| | - Chamraj Kaewraemruaen
- Center of Excellence in Immunology and Immune-Mediated Diseases, Chulalongkorn University, Bangkok 10330, Thailand.
| | - Nattiya Hirankarn
- Center of Excellence in Immunology and Immune-Mediated Diseases, Chulalongkorn University, Bangkok 10330, Thailand.
- Immunology Unit, Department of Microbiology, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand.
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15
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The Adaptive Immune System in Multiple Sclerosis: An Estrogen-Mediated Point of View. Cells 2019; 8:cells8101280. [PMID: 31635066 PMCID: PMC6829884 DOI: 10.3390/cells8101280] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 10/09/2019] [Accepted: 10/18/2019] [Indexed: 12/11/2022] Open
Abstract
Multiple sclerosis (MS) is a chronic central nervous system inflammatory disease that leads to demyelination and neurodegeneration. The third trimester of pregnancy, which is characterized by high levels of estrogens, has been shown to be associated with reduced relapse rates compared with the rates before pregnancy. These effects could be related to the anti-inflammatory properties of estrogens, which orchestrate the reshuffling of the immune system toward immunotolerance to allow for fetal growth. The action of these hormones is mediated by the transcriptional regulation activity of estrogen receptors (ERs). Estrogen levels and ER expression define a specific balance of immune cell types. In this review, we explore the role of estradiol (E2) and ERs in the adaptive immune system, with a focus on estrogen-mediated cellular, molecular, and epigenetic mechanisms related to immune tolerance and neuroprotection in MS. The epigenome dynamics of immune systems are described as key molecular mechanisms that act on the regulation of immune cell identity. This is a completely unexplored field, suggesting a future path for more extensive research on estrogen-induced coregulatory complexes and molecular circuitry as targets for therapeutics in MS.
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16
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Azcoitia I, Barreto GE, Garcia-Segura LM. Molecular mechanisms and cellular events involved in the neuroprotective actions of estradiol. Analysis of sex differences. Front Neuroendocrinol 2019; 55:100787. [PMID: 31513774 DOI: 10.1016/j.yfrne.2019.100787] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Revised: 08/27/2019] [Accepted: 09/07/2019] [Indexed: 12/12/2022]
Abstract
Estradiol, either from peripheral or central origin, activates multiple molecular neuroprotective and neuroreparative responses that, being mediated by estrogen receptors or by estrogen receptor independent mechanisms, are initiated at the membrane, the cytoplasm or the cell nucleus of neural cells. Estrogen-dependent signaling regulates a variety of cellular events, such as intracellular Ca2+ levels, mitochondrial respiratory capacity, ATP production, mitochondrial membrane potential, autophagy and apoptosis. In turn, these molecular and cellular actions of estradiol are integrated by neurons and non-neuronal cells to generate different tissue protective responses, decreasing blood-brain barrier permeability, oxidative stress, neuroinflammation and excitotoxicity and promoting synaptic plasticity, axonal growth, neurogenesis, remyelination and neuroregeneration. Recent findings indicate that the neuroprotective and neuroreparative actions of estradiol are different in males and females and further research is necessary to fully elucidate the causes for this sex difference.
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Affiliation(s)
- Iñigo Azcoitia
- Department of Cell Biology, Faculty of Biology, Universidad Complutense de Madrid, 28040 Madrid, Spain; Centro de Investigación Biomédica en Red Fragilidad y Envejecimiento Saludables (CIBERFES), Instituto de Salud Carlos III, Avenida Monforte de Lemos, 3-5, 28029 Madrid, Spain.
| | - George E Barreto
- Department of Biological Sciences, School of Natural Sciences, University of Limerick, Limerick, Ireland.
| | - Luis M Garcia-Segura
- Centro de Investigación Biomédica en Red Fragilidad y Envejecimiento Saludables (CIBERFES), Instituto de Salud Carlos III, Avenida Monforte de Lemos, 3-5, 28029 Madrid, Spain; Instituto Cajal, CSIC, Avenida Doctor Arce 37, 28002 Madrid, Spain.
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17
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Landegger LD, Vasilijic S, Fujita T, Soares VY, Seist R, Xu L, Stankovic KM. Cytokine Levels in Inner Ear Fluid of Young and Aged Mice as Molecular Biomarkers of Noise-Induced Hearing Loss. Front Neurol 2019; 10:977. [PMID: 31632328 PMCID: PMC6749100 DOI: 10.3389/fneur.2019.00977] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 08/27/2019] [Indexed: 12/11/2022] Open
Abstract
Sensorineural hearing loss (SNHL) is the most common sensory deficit worldwide, frequently caused by noise trauma and aging, with inflammation being implicated in both pathologies. Here, we provide the first direct measurements of proinflammatory cytokines in inner ear fluid, perilymph, of adolescent and 2-year-old mice. The perilymph of adolescent mice exposed to the noise intensity resulting in permanent auditory threshold elevations had significantly increased levels of IL-6, TNF-α, and CXCL1 6 h after exposure, with CXCL1 levels being most elevated (19.3 ± 6.2 fold). We next provide the first immunohistochemical localization of CXCL1 in specific cochlear supporting cells, and its presumed receptor, Duffy antigen receptor for chemokines (DARC), in hair cells and spiral ganglion neurons. Our results demonstrate the feasibility of molecular diagnostics of SNHL using only 0.5 μL of perilymph, and motivate future sub-μL based diagnostics of human SNHL based on liquid biopsy of the inner ear to guide therapy, promote hearing protection, and monitor response to treatment.
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Affiliation(s)
- Lukas D Landegger
- Eaton Peabody Laboratories, Department of Otolaryngology, Massachusetts Eye and Ear, Boston, MA, United States.,Department of Otolaryngology-Head and Neck Surgery, Harvard Medical School, Boston, MA, United States.,Department of Otolaryngology, Vienna General Hospital, Medical University of Vienna, Vienna, Austria
| | - Sasa Vasilijic
- Eaton Peabody Laboratories, Department of Otolaryngology, Massachusetts Eye and Ear, Boston, MA, United States.,Department of Otolaryngology-Head and Neck Surgery, Harvard Medical School, Boston, MA, United States
| | - Takeshi Fujita
- Eaton Peabody Laboratories, Department of Otolaryngology, Massachusetts Eye and Ear, Boston, MA, United States.,Department of Otolaryngology-Head and Neck Surgery, Harvard Medical School, Boston, MA, United States
| | - Vitor Y Soares
- Eaton Peabody Laboratories, Department of Otolaryngology, Massachusetts Eye and Ear, Boston, MA, United States.,Department of Otolaryngology-Head and Neck Surgery, Harvard Medical School, Boston, MA, United States
| | - Richard Seist
- Eaton Peabody Laboratories, Department of Otolaryngology, Massachusetts Eye and Ear, Boston, MA, United States.,Department of Otolaryngology-Head and Neck Surgery, Harvard Medical School, Boston, MA, United States
| | - Lei Xu
- Edwin L. Steele Laboratories, Department of Radiation Oncology, Harvard Medical School, Massachusetts General Hospital, Boston, MA, United States
| | - Konstantina M Stankovic
- Eaton Peabody Laboratories, Department of Otolaryngology, Massachusetts Eye and Ear, Boston, MA, United States.,Department of Otolaryngology-Head and Neck Surgery, Harvard Medical School, Boston, MA, United States.,Program in Speech and Hearing Bioscience and Technology, Harvard Medical School, Boston, MA, United States.,Program in Therapeutic Science, Harvard Medical School, Boston, MA, United States
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18
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Deftu AT, Ciorescu R, Gheorghe RO, Mihăilescu D, Ristoiu V. CXCL1 and CXCL2 Inhibit the Axon Outgrowth in a Time- and Cell-Type-Dependent Manner in Adult Rat Dorsal Root Ganglia Neurons. Neurochem Res 2019; 44:2215-2229. [PMID: 31422522 DOI: 10.1007/s11064-019-02861-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 08/07/2019] [Accepted: 08/12/2019] [Indexed: 12/12/2022]
Abstract
The ability to regrow their axons after an injury is a hallmark of neurons in peripheral nervous system which distinguish them from central nervous system neurons. This ability is influenced by their intrinsic capacity to regrow and by the extracellular environment which needs to be supportive of regrowth. CXCL1 [Chemokine (C-X-C motif) Ligand 1] and CXCL2 [Chemokine (C-X-C motif) Ligand 2] are two low-molecular-weight chemokines which can influence neuronal proliferation, differentiation and neurogenesis, but which are also upregulated by injury or inflammation. In this study we investigated the effects of long-term incubation (24, 48 and 72 h) with different concentrations of CXCL1 (0.4, 4 or 40 nM) or CXCL2 (0.36, 3.6 or 36 nM) on the axon outgrowth of adult rat dorsal root ganglia neurons in culture. The results showed that both chemokines significantly inhibited the axon outgrowth, with large and medium NF200 (NeuroFilament 200) (+) dorsal root ganglia neurons affected quicker, compared to small IB4 (Isolectin B4) (+) dorsal root ganglia neurons which were affected after longer exposure. Blocking CXCR2 (C-X-C motif chemokine receptor 2) which mediates the effects of CXCL1 and CXCL2 prevented these effects, suggesting that CXCR2 may represent a new therapeutic target for promoting the axon outgrowth after a peripheral nerve injury.
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Affiliation(s)
- Antonia Teona Deftu
- Department of Anatomy, Animal Physiology and Biophysics, Faculty of Biology, University of Bucharest, Splaiul Independentei 91-95, Sector 5, 050095, Bucharest, Romania
| | - Ruxandra Ciorescu
- Department of Anatomy, Animal Physiology and Biophysics, Faculty of Biology, University of Bucharest, Splaiul Independentei 91-95, Sector 5, 050095, Bucharest, Romania
| | - Roxana-Olimpia Gheorghe
- Department of Anatomy, Animal Physiology and Biophysics, Faculty of Biology, University of Bucharest, Splaiul Independentei 91-95, Sector 5, 050095, Bucharest, Romania
| | - Dan Mihăilescu
- Department of Anatomy, Animal Physiology and Biophysics, Faculty of Biology, University of Bucharest, Splaiul Independentei 91-95, Sector 5, 050095, Bucharest, Romania
| | - Violeta Ristoiu
- Department of Anatomy, Animal Physiology and Biophysics, Faculty of Biology, University of Bucharest, Splaiul Independentei 91-95, Sector 5, 050095, Bucharest, Romania.
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19
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Shang Y, Tian L, Chen T, Liu X, Zhang J, Liu D, Wei J, Fang W, Chen Y, Shang D. CXCL1 promotes the proliferation of neural stem cells by stimulating the generation of reactive oxygen species in APP/PS1 mice. Biochem Biophys Res Commun 2019; 515:201-206. [DOI: 10.1016/j.bbrc.2019.05.130] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Accepted: 05/19/2019] [Indexed: 10/26/2022]
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20
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Atkinson KC, Lee JB, Hasselmann JPC, Kim SH, Drew A, Soto J, Katzenellenbogen JA, Harris NG, Obenaus A, Tiwari-Woodruff SK. Diffusion tensor imaging identifies aspects of therapeutic estrogen receptor β ligand-induced remyelination in a mouse model of multiple sclerosis. Neurobiol Dis 2019; 130:104501. [PMID: 31226301 DOI: 10.1016/j.nbd.2019.104501] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2019] [Revised: 04/25/2019] [Accepted: 06/10/2019] [Indexed: 12/31/2022] Open
Abstract
Diffusion tensor imaging (DTI) has been shown to detect white matter degeneration in multiple sclerosis (MS), a neurodegenerative autoimmune disease that presents with diffuse demyelination of the central nervous system. However, the utility of DTI in evaluating therapeutic remyelination has not yet been well-established. Here, we assessed the ability of DTI to distinguish between remyelination and neuroprotection following estrogen receptor β ligand (Indazole chloride, IndCl) treatment, which has been previously shown to stimulate functional remyelination, in the cuprizone (CPZ) diet mouse model of MS. Adult C57BL/6 J male and female mice received a normal diet (control), demyelination-inducing CPZ diet (9wkDM), or CPZ diet followed by two weeks of a normal diet (i.e., remyelination period) with either IndCl (RM + IndCl) or vehicle (RM + Veh) injections. We evaluated tissue microstructure of the corpus callosum utilizing in vivo and ex vivo DTI and immunohistochemistry (IHC) for validation. Compared to control mice, the 9wkDM group showed decreased fractional anisotropy (FA), increased radial diffusivity (RD), and no changes in axial diffusivity (AD) both in vivo and ex vivo. Meanwhile, RM + IndCl groups showed increased FA and decreased RD ex vivo compared to the RM + Veh group, in accordance with the evidence of remyelination by IHC. In conclusion, the DTI technology used in the present study can identify some changes in myelination and is a valuable translational tool for evaluating MS pathophysiology and therapeutic efficacy.
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Affiliation(s)
- Kelley C Atkinson
- Division of Biomedical Sciences, School of Medicine at UCR, Riverside, CA, USA
| | - Jeong Bin Lee
- Division of Physiology, School of Medicine at Loma Linda University, Loma Linda, CA, USA
| | | | - Sung Hoon Kim
- Department of Chemistry, University of Illinois at Urbana-Champaign, IL, USA
| | - Alyson Drew
- Division of Physiology, School of Medicine at Loma Linda University, Loma Linda, CA, USA
| | - Joselyn Soto
- Division of Biomedical Sciences, School of Medicine at UCR, Riverside, CA, USA
| | | | - Neil G Harris
- Department of Neurosurgery, School of Medicine at UCLA, Los Angeles, CA, USA
| | - Andre Obenaus
- Division of Physiology, School of Medicine at Loma Linda University, Loma Linda, CA, USA; Department of Pediatrics, School of Medicine at UCI, Irvine, CA, USA
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Yamate-Morgan H, Lauderdale K, Horeczko J, Merchant U, Tiwari-Woodruff SK. Functional Effects of Cuprizone-Induced Demyelination in the Presence of the mTOR-Inhibitor Rapamycin. Neuroscience 2019; 406:667-683. [PMID: 30703503 PMCID: PMC6682545 DOI: 10.1016/j.neuroscience.2019.01.038] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Revised: 01/19/2019] [Accepted: 01/21/2019] [Indexed: 01/09/2023]
Abstract
Persistent demyelination has been implicated in axon damage and functional deficits underlying neurodegenerative diseases such as multiple sclerosis. The cuprizone diet model of demyelination allows for the investigation of mechanisms underlying timed and reproducible demyelination and remyelination. However, spontaneous oligodendrocyte (OL) progenitor (OPC) proliferation, OPC differentiation, and axon remyelination during cuprizone diet may convolute the understanding of remyelinating events. The Akt (a serine/threonine kinase)/mTOR (the mammalian target of rapamycin) signaling pathway in OLs regulates intermediate steps during myelination. Thus, in an effort to inhibit spontaneous remyelination, the mTOR inhibitor rapamycin has been administered during cuprizone diet. Intrigued by the potential for rapamycin to optimize the cuprizone model by producing more complete demyelination, we sought to characterize the effects of rapamycin on axonal function and myelination. Functional remyelination was assessed by callosal compound action potential (CAP) recordings along with immunohistochemistry in mice treated with rapamycin during cuprizone diet. Rapamycin groups exhibited similar myelination, but significantly increased axonal damage and inflammation compared to non-rapamycin groups. There was minimal change in CAP amplitude between groups, however, a significant decrease in conduction velocity of the slower, non-myelinated CAP component was observed in the rapamycin group relative to the non-rapamycin group. During remyelination, rapamycin groups showed a significant decrease in OPC proliferation and mature OLs, suggesting a delay in OPC differentiation kinetics. In conclusion, we question the use of rapamycin to produce consistent demyelination as rapamycin increased inflammation and axonal damage, without affecting myelination.
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Affiliation(s)
- Hana Yamate-Morgan
- Department of Neuroscience, University of California, Riverside (UCR), Riverside, CA 92521, USA; Division of Biomedical Sciences, UCR School of Medicine, Riverside, CA 92521, USA
| | - Kelli Lauderdale
- Division of Biomedical Sciences, UCR School of Medicine, Riverside, CA 92521, USA
| | - Joshua Horeczko
- Division of Biomedical Sciences, UCR School of Medicine, Riverside, CA 92521, USA
| | - Urja Merchant
- Division of Biomedical Sciences, UCR School of Medicine, Riverside, CA 92521, USA
| | - Seema K Tiwari-Woodruff
- Department of Neuroscience, University of California, Riverside (UCR), Riverside, CA 92521, USA; Division of Biomedical Sciences, UCR School of Medicine, Riverside, CA 92521, USA; Center for Glial-Neuronal Interactions, UCR School of Medicine, CA 92521.
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22
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Zhang J, Zhang ZG, Lu M, Zhang Y, Shang X, Chopp M. MiR-146a promotes oligodendrocyte progenitor cell differentiation and enhances remyelination in a model of experimental autoimmune encephalomyelitis. Neurobiol Dis 2019; 125:154-162. [DOI: 10.1016/j.nbd.2019.01.019] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Revised: 12/12/2018] [Accepted: 01/28/2019] [Indexed: 12/17/2022] Open
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23
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The contribution of astrocytes to the neuroinflammatory response in multiple sclerosis and experimental autoimmune encephalomyelitis. Acta Neuropathol 2019; 137:757-783. [PMID: 30847559 DOI: 10.1007/s00401-019-01980-7] [Citation(s) in RCA: 148] [Impact Index Per Article: 29.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Revised: 02/21/2019] [Accepted: 02/23/2019] [Indexed: 02/06/2023]
Abstract
Neuroinflammation is the coordinated response of the central nervous system (CNS) to threats to its integrity posed by a variety of conditions, including autoimmunity, pathogens and trauma. Activated astrocytes, in concert with other cellular elements of the CNS and immune system, are important players in the modulation of the neuroinflammatory response. During neurological disease, they produce and respond to cellular signals that often lead to dichotomous processes, which can promote further damage or contribute to repair. This occurs also in multiple sclerosis (MS), where astrocytes are now recognized as key components of its immunopathology. Evidence supporting this role has emerged not only from studies in MS patients, but also from animal models, among which the experimental autoimmune encephalomyelitis (EAE) model has proved especially instrumental. Based on this premise, the purpose of the present review is to summarize the current knowledge of astrocyte behavior in MS and EAE. Following a brief description of the pathological characteristics of the two diseases and the main functional roles of astrocytes in CNS physiology, we will delve into the specific responses of this cell population, analyzing MS and EAE in parallel. We will define the temporal and anatomical profile of astroglial activation, then focus on key processes they participate in. These include: (1) production and response to soluble mediators (e.g., cytokines and chemokines), (2) regulation of oxidative stress, and (3) maintenance of BBB integrity and function. Finally, we will review the state of the art on the available methods to measure astroglial activation in vivo in MS patients, and how this could be exploited to optimize diagnosis, prognosis and treatment decisions. Ultimately, we believe that integrating the knowledge obtained from studies in MS and EAE may help not only better understand the pathophysiology of MS, but also uncover new signals to be targeted for therapeutic intervention.
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Karim H, Kim SH, Lauderdale K, Lapato AS, Atkinson K, Yasui N, Yamate-Morgan H, Sekyi M, Katzenellenbogen JA, Tiwari-Woodruff SK. Analogues of ERβ ligand chloroindazole exert immunomodulatory and remyelinating effects in a mouse model of multiple sclerosis. Sci Rep 2019; 9:503. [PMID: 30679747 PMCID: PMC6345788 DOI: 10.1038/s41598-018-37420-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2018] [Accepted: 11/27/2018] [Indexed: 01/06/2023] Open
Abstract
Pharmaceutical agents currently approved for the treatment of multiple sclerosis reduce relapse rates, but do not reverse or prevent neurodegeneration nor initiate myelin repair. The highly selective estrogen receptor (ER) β ligand chloroindazole (IndCl) shows particular promise promoting both remyelination while reducing inflammatory cytokines in the central nervous system of mice with experimental autoimmune encephalomyelitis. To optimize these benefits, we developed and screened seven novel IndCl analogues for their efficacy in promoting primary oligodendrocyte (OL) progenitor cell survival, proliferation, and differentiation in vitro by immunohistochemistry. Two analogues, IndCl-o-chloro and IndCl-o-methyl, induced proliferation and differentiation equivalent to IndCl and were selected for subsequent in vivo evaluation for their impact on clinical disease course, white matter pathology, and inflammation. Both compounds ameliorated disease severity, increased mature OLs, and improved overall myelination in the corpus callosum and white matter tracts of the spinal cord. These effects were accompanied by reduced production of the OL toxic molecules interferon-γ and chemokine (C-X-C motif) ligand, CXCL10 by splenocytes with no discernable effect on central nervous system-infiltrating leukocyte numbers, while IndCl-o-methyl also reduced peripheral interleukin (IL)−17. In addition, expression of the chemokine CXCL1, which is associated with developmental oligodendrogenesis, was upregulated by IndCl and both analogues. Furthermore, callosal compound action potential recordings from analogue-treated mice demonstrated a larger N1 component amplitude compared to vehicle, suggesting more functionally myelinated fibers. Thus, the o-Methyl and o-Chloro IndCl analogues represent a class of ERβ ligands that offer significant remyelination and neuroprotection as well as modulation of the immune system; hence, they appear appropriate to consider further for therapeutic development in multiple sclerosis and other demyelinating diseases.
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Affiliation(s)
- Hawra Karim
- Division of Biomedical Sciences, UCR School of Medicine, Riverside, CA, 92521, USA
| | - Sung Hoon Kim
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
| | - Kelli Lauderdale
- Division of Biomedical Sciences, UCR School of Medicine, Riverside, CA, 92521, USA
| | - Andrew S Lapato
- Division of Biomedical Sciences, UCR School of Medicine, Riverside, CA, 92521, USA
| | - Kelley Atkinson
- Division of Biomedical Sciences, UCR School of Medicine, Riverside, CA, 92521, USA
| | - Norio Yasui
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
| | - Hana Yamate-Morgan
- Division of Biomedical Sciences, UCR School of Medicine, Riverside, CA, 92521, USA
| | - Maria Sekyi
- Division of Biomedical Sciences, UCR School of Medicine, Riverside, CA, 92521, USA
| | | | - Seema K Tiwari-Woodruff
- Division of Biomedical Sciences, UCR School of Medicine, Riverside, CA, 92521, USA. .,Center for Glia Neuronal Interaction, UCR School of Medicine, Riverside, CA, 92521, USA.
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Ohgomori T, Jinno S. Cuprizone-induced demyelination in the mouse hippocampus is alleviated by phytoestrogen genistein. Toxicol Appl Pharmacol 2019; 363:98-110. [DOI: 10.1016/j.taap.2018.11.009] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Revised: 11/15/2018] [Accepted: 11/19/2018] [Indexed: 12/28/2022]
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Ziegler D, Strom A, Bönhof GJ, Kannenberg JM, Heier M, Rathmann W, Peters A, Meisinger C, Roden M, Thorand B, Herder C. Deficits in systemic biomarkers of neuroinflammation and growth factors promoting nerve regeneration in patients with type 2 diabetes and polyneuropathy. BMJ Open Diabetes Res Care 2019; 7:e000752. [PMID: 31803481 PMCID: PMC6887496 DOI: 10.1136/bmjdrc-2019-000752] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 11/04/2019] [Accepted: 11/06/2019] [Indexed: 12/14/2022] Open
Abstract
INTRODUCTION The determinants and mechanisms contributing to diabetic sensorimotor polyneuropathy (DSPN) remain unclear. Since neuroinflammation and altered nerve regeneration have been implicated in the pathogenesis of both DSPN and neuropathic pain, we hypothesized that the corresponding biomarkers could be associated with DSPN in general and could have the potential to discriminate between the painful and painless DSPN entities. METHODS In a cross-sectional study using multimarker proximity extension assay technology we assessed 71 serum biomarkers including cytokines, chemokines, growth factors, receptors, and others in patients with type 2 diabetes with DSPN (DSPN+) (n=304) or without DSPN (DSPN-) (n=158) and persons with normal glucose tolerance (NGT) without polyneuropathy (n=354). RESULTS After adjustment for multiple testing and sex, age, body mass index, HbA1c, and smoking, the serum levels of 17 biomarkers (four cytokines, five chemokines, four growth factors, two receptors, two miscellaneous) were lower in DSPN+ than in DSPN- and NGT. In DSPN+, six of these biomarkers were associated with peripheral nerve function. The concentrations of 15 other biomarkers differed between NGT and both DSPN+ and DSPN-, but not between DSPN+ and DSPN-. No differences in biomarker levels were found between patients with painful (n=164) and painless DSPN (n=140). CONCLUSIONS Deficits in systemic cytokines, chemokines, and growth factors promoting nerve regeneration in patients with type 2 diabetes are linked to polyneuropathy in general but not specifically to the painful or painless entity. TRIAL REGISTRATION NUMBER NCT02243475.
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Affiliation(s)
- Dan Ziegler
- Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich Heine University Düsseldorf, Düsseldorf, Germany
- German Center for Diabetes Research (DZD), München-Neuherberg, Germany
- Division of Endocrinology and Diabetology, Medical Faculty, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Alexander Strom
- Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich Heine University Düsseldorf, Düsseldorf, Germany
- German Center for Diabetes Research (DZD), München-Neuherberg, Germany
| | - Gidon J Bönhof
- Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich Heine University Düsseldorf, Düsseldorf, Germany
- Division of Endocrinology and Diabetology, Medical Faculty, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Julia M Kannenberg
- Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich Heine University Düsseldorf, Düsseldorf, Germany
- German Center for Diabetes Research (DZD), München-Neuherberg, Germany
| | - Margit Heier
- Institute of Epidemiology, Helmholtz Zentrum München, German Research Center for Environmental Health, Neuherberg, Germany
| | - Wolfgang Rathmann
- German Center for Diabetes Research (DZD), München-Neuherberg, Germany
- Institute for Biometrics and Epidemiology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Annette Peters
- German Center for Diabetes Research (DZD), München-Neuherberg, Germany
- Institute of Epidemiology, Helmholtz Zentrum München, German Research Center for Environmental Health, Neuherberg, Germany
| | - Christina Meisinger
- Independent Research Group Clinical Epidemiology, Helmholtz Zentrum München, German Research Center for Environmental Health, Neuherberg, Germany
- Chair of Epidemiology, Ludwig-Maximilians-Universität München am UNIKA-T Augsburg, Augsburg, Germany
| | - Michael Roden
- Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich Heine University Düsseldorf, Düsseldorf, Germany
- German Center for Diabetes Research (DZD), München-Neuherberg, Germany
- Division of Endocrinology and Diabetology, Medical Faculty, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Barbara Thorand
- German Center for Diabetes Research (DZD), München-Neuherberg, Germany
- Institute of Epidemiology, Helmholtz Zentrum München, German Research Center for Environmental Health, Neuherberg, Germany
| | - Christian Herder
- Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich Heine University Düsseldorf, Düsseldorf, Germany
- German Center for Diabetes Research (DZD), München-Neuherberg, Germany
- Division of Endocrinology and Diabetology, Medical Faculty, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
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