دورية أكاديمية
Organic Selenium Reaches the Central Nervous System and Downmodulates Local Inflammation: A Complementary Therapy for Multiple Sclerosis?
العنوان: | Organic Selenium Reaches the Central Nervous System and Downmodulates Local Inflammation: A Complementary Therapy for Multiple Sclerosis? |
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المؤلفون: | de Toledo JHDS; Department of Chemical and Biological Sciences, Institute of Biosciences, São Paulo State University (UNESP), Botucatu, Brazil., Fraga-Silva TFC; Department of Chemical and Biological Sciences, Institute of Biosciences, São Paulo State University (UNESP), Botucatu, Brazil., Borim PA; Department of Chemical and Biological Sciences, Institute of Biosciences, São Paulo State University (UNESP), Botucatu, Brazil., de Oliveira LRC; Department of Chemical and Biological Sciences, Institute of Biosciences, São Paulo State University (UNESP), Botucatu, Brazil., Oliveira EDS; Department of Chemical and Biological Sciences, Institute of Biosciences, São Paulo State University (UNESP), Botucatu, Brazil., Périco LL; Department of Structural and Functional Biology, São Paulo State University (UNESP), Institute of Biosciences, Botucatu, Brazil., Hiruma-Lima CA; Department of Structural and Functional Biology, São Paulo State University (UNESP), Institute of Biosciences, Botucatu, Brazil., de Souza AAL; Veterinary Clinical Laboratory, School of Veterinary Medicine and Animal Science (FMVZ), São Paulo State University (UNESP), Botucatu, Brazil., de Oliveira CAF; Department of Research and Development, Biorigin Company, Lençóis Paulista, Brazil., Padilha PM; Department of Chemical and Biological Sciences, Institute of Biosciences, São Paulo State University (UNESP), Botucatu, Brazil., Pinatto-Botelho MF; LabSSeTe Department of Fundamental Chemistry, Institute of Chemistry, University of São Paulo (USP), São Paulo, Brazil., Dos Santos AA; LabSSeTe Department of Fundamental Chemistry, Institute of Chemistry, University of São Paulo (USP), São Paulo, Brazil., Sartori A; Department of Chemical and Biological Sciences, Institute of Biosciences, São Paulo State University (UNESP), Botucatu, Brazil., Zorzella-Pezavento SFG; Department of Chemical and Biological Sciences, Institute of Biosciences, São Paulo State University (UNESP), Botucatu, Brazil. |
المصدر: | Frontiers in immunology [Front Immunol] 2020 Oct 30; Vol. 11, pp. 571844. Date of Electronic Publication: 2020 Oct 30 (Print Publication: 2020). |
نوع المنشور: | Journal Article; Research Support, Non-U.S. Gov't |
اللغة: | English |
بيانات الدورية: | Publisher: Frontiers Research Foundation] Country of Publication: Switzerland NLM ID: 101560960 Publication Model: eCollection Cited Medium: Internet ISSN: 1664-3224 (Electronic) Linking ISSN: 16643224 NLM ISO Abbreviation: Front Immunol Subsets: MEDLINE |
أسماء مطبوعة: | Original Publication: [Lausanne : Frontiers Research Foundation] |
مواضيع طبية MeSH: | Anti-Inflammatory Agents/*therapeutic use , Central Nervous System/*drug effects , Encephalomyelitis, Autoimmune, Experimental/*drug therapy , Inflammasomes/*metabolism , Microglia/*pathology , Multiple Sclerosis/*drug therapy , Neurogenic Inflammation/*drug therapy , Selenium/*therapeutic use, Animals ; Central Nervous System/pathology ; Disease Models, Animal ; Encephalomyelitis, Autoimmune, Experimental/immunology ; Humans ; Lactic Acid/chemistry ; Male ; Mice ; Mice, Inbred C57BL ; Multiple Sclerosis/immunology ; Myelin-Oligodendrocyte Glycoprotein/immunology ; NLR Family, Pyrin Domain-Containing 3 Protein/metabolism ; Neurogenic Inflammation/immunology ; Selenium/chemistry |
مستخلص: | Multiple sclerosis (MS) is an inflammatory and demyelinating disease of the central nervous system (CNS). The persistent inflammation is being mainly attributed to local oxidative stress and inflammasome activation implicated in the ensuing demyelination and axonal damage. Since new control measures remain necessary, we evaluated the preventive and therapeutic potential of a beta-selenium-lactic acid derivative (LAD-βSe), which is a source of organic selenium under development, to control experimental autoimmune encephalomyelitis (EAE) that is an animal model for MS. Two EAE murine models: C57BL/6 and SJL/J immunized with myelin oligodendrocyte glycoprotein and proteolipid protein, respectively, and a model of neurodegeneration induced by LPS in male C57BL/6 mice were used. The preventive potential of LAD-βSe was initially tested in C57BL/6 mice, the chronic MS model, by three different protocols that were started 14 days before or 1 or 7 days after EAE induction and were extended until the acute disease phase. These three procedures were denominated preventive therapy -14 days, 1 day, and 7 days, respectively. LAD-βSe administration significantly controlled clinical EAE development without triggering overt hepatic and renal dysfunction. In addition of a tolerogenic profile in dendritic cells from the mesenteric lymph nodes, LAD-βSe also downregulated cell amount, activation status of macrophages and microglia, NLRP3 (NOD-like receptors) inflammasome activation and other pro-inflammatory parameters in the CNS. The high Se levels found in the CNS suggested that the product crossed the blood-brain barrier having a possible local effect. The hypothesis that LAD-βSe was acting locally was then confirmed by using the LPS-induced neurodegeneration model that also displayed Se accumulation and downmodulation of pro-inflammatory parameters in the CNS. Remarkably, therapy with LAD-βSe soon after the first remitting episode in SJL/J mice, also significantly downmodulated local inflammation and clinical disease severity. This study indicates that LAD-βSe, and possibly other derivatives containing Se, are able to reach the CNS and have the potential to be used as preventive and therapeutic measures in distinct clinical forms of MS. (Copyright © 2020 Toledo, Fraga-Silva, Borim, de Oliveira, Oliveira, Périco, Hiruma-Lima, de Souza, de Oliveira, Padilha, Pinatto-Botelho, dos Santos, Sartori and Zorzella-Pezavento.) |
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فهرسة مساهمة: | Keywords: experimental autoimmune encephalomyelitis; inflammasome; microglia; multiple sclerosis; selenium |
المشرفين على المادة: | 0 (Anti-Inflammatory Agents) 0 (Inflammasomes) 0 (Myelin-Oligodendrocyte Glycoprotein) 0 (NLR Family, Pyrin Domain-Containing 3 Protein) 33X04XA5AT (Lactic Acid) H6241UJ22B (Selenium) |
تواريخ الأحداث: | Date Created: 20201116 Date Completed: 20210531 Latest Revision: 20231112 |
رمز التحديث: | 20240628 |
مُعرف محوري في PubMed: | PMC7664308 |
DOI: | 10.3389/fimmu.2020.571844 |
PMID: | 33193354 |
قاعدة البيانات: | MEDLINE |
تدمد: | 1664-3224 |
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DOI: | 10.3389/fimmu.2020.571844 |