Curcumin ameliorates experimental autoimmune encephalomyelitis in a C57BL/6 mouse model. 2019

Emran Esmaeilzadeh, and Maryam Soleimani, and Davood Zare-Abdollahi, and Behnamedin Jameie, and Hamid Reza Khorram Khorshid
Genetics Research Center, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran.

Multiple sclerosis (MS) is a common inflammatory disease of the central nervous system. Although the exact etiology of the disease is largely unknown, it is identified that cytokines may play an important role in the pathogenesis of MS. In this study, the effects of curcumin has been investigated on the expression levels of selected cytokine coding genes as well as the extent of demyelination in the corpus callosum of C57BL/6 experimental autoimmune encephalomyelitis (EAE) model of MS. Gene expression analyses revealed that treatment with curcumin could lead to a significant reduction in the expression levels of pro-inflammatory cytokine coding genes including IL-6 (p = 0.001), IL-17 (p = 0.001), tumor necrosis factor (TNF)-α (p = 0.008), and interferon (IFN)-γ (p = 0.033) as well as a significant increase in the expression level of transforming growth factor (TGF)-β (p = 0.006) as an anti-inflammatory cytokine. Moreover, the expression of glutathione peroxidase (GPX)-1 gene and the activity of anti-oxidant enzymes were significantly higher (p < 0.001) in curcumin-treated mice. Luxol fast blue staining also confirmed a significant reduction in the extent of demyelination in the curcumin-treated group (p < 0.001). Our results have confirmed that curcumin is an effective therapeutic agent that could ameliorate the severity of EAE.

UI MeSH Term Description Entries
D007274 Injections, Intraperitoneal Forceful administration into the peritoneal cavity of liquid medication, nutrient, or other fluid through a hollow needle piercing the abdominal wall. Intraperitoneal Injections,Injection, Intraperitoneal,Intraperitoneal Injection
D007371 Interferon-gamma The major interferon produced by mitogenically or antigenically stimulated LYMPHOCYTES. It is structurally different from TYPE I INTERFERON and its major activity is immunoregulation. It has been implicated in the expression of CLASS II HISTOCOMPATIBILITY ANTIGENS in cells that do not normally produce them, leading to AUTOIMMUNE DISEASES. Interferon Type II,Interferon, Immune,gamma-Interferon,Interferon, gamma,Type II Interferon,Immune Interferon,Interferon, Type II
D008810 Mice, Inbred C57BL One of the first INBRED MOUSE STRAINS to be sequenced. This strain is commonly used as genetic background for transgenic mouse models. Refractory to many tumors, this strain is also preferred model for studying role of genetic variations in development of diseases. Mice, C57BL,Mouse, C57BL,Mouse, Inbred C57BL,C57BL Mice,C57BL Mice, Inbred,C57BL Mouse,C57BL Mouse, Inbred,Inbred C57BL Mice,Inbred C57BL Mouse
D003474 Curcumin A yellow-orange dye obtained from tumeric, the powdered root of CURCUMA longa. It is used in the preparation of curcuma paper and the detection of boron. Curcumin appears to possess a spectrum of pharmacological properties, due primarily to its inhibitory effects on metabolic enzymes. 1,6-Heptadiene-3,5-dione, 1,7-bis(4-hydroxy-3-methoxyphenyl)-, (E,E)-,Curcumin Phytosome,Diferuloylmethane,Mervia,Turmeric Yellow,Phytosome, Curcumin,Yellow, Turmeric
D004681 Encephalomyelitis, Autoimmune, Experimental An experimental animal model for central nervous system demyelinating disease. Inoculation with a white matter emulsion combined with FREUND'S ADJUVANT, myelin basic protein, or purified central myelin triggers a T cell-mediated immune response directed towards central myelin. The pathologic features are similar to MULTIPLE SCLEROSIS, including perivascular and periventricular foci of inflammation and demyelination. Subpial demyelination underlying meningeal infiltrations also occurs, which is also a feature of ENCEPHALOMYELITIS, ACUTE DISSEMINATED. Passive immunization with T-cells from an afflicted animal to a normal animal also induces this condition. (From Immunol Res 1998;17(1-2):217-27; Raine CS, Textbook of Neuropathology, 2nd ed, p604-5) Autoimmune Encephalomyelitis, Experimental,Encephalomyelitis, Allergic,Encephalomyelitis, Experimental Autoimmune,Allergic Encephalomyelitis,Allergic Encephalomyelitis, Experimental,Autoimmune Experimental Encephalomyelitis,Experimental Allergic Encephalomyelitis,Experimental Autoimmune Encephalomyelitis,Encephalomyelitis, Autoimmune Experimental,Encephalomyelitis, Experimental Allergic,Experimental Allergic Encephalomyelitides,Experimental Encephalomyelitis, Autoimmune
D005260 Female Females
D005786 Gene Expression Regulation Any of the processes by which nuclear, cytoplasmic, or intercellular factors influence the differential control (induction or repression) of gene action at the level of transcription or translation. Gene Action Regulation,Regulation of Gene Expression,Expression Regulation, Gene,Regulation, Gene Action,Regulation, Gene Expression
D005979 Glutathione Peroxidase An enzyme catalyzing the oxidation of 2 moles of GLUTATHIONE in the presence of HYDROGEN PEROXIDE to yield oxidized glutathione and water. Cytosolic Glutathione Peroxidase,Glutathione Lipoperoxidase,Selenoglutathione Peroxidase,Glutathione Peroxidase, Cytosolic,Lipoperoxidase, Glutathione,Peroxidase, Glutathione,Peroxidase, Selenoglutathione
D000094765 Glutathione Peroxidase GPX1 One of the most abundant isoenzymes of the glutathione peroxidase family. Located in the cytosol and mitochondria, it catalyzes the reduction of HYDROGEN PEROXIDE to water, functioning to limit the accumulation of hydrogen peroxide and modulating processes that utilize hydrogen peroxide; and also the reduction of other organic hydroperoxides to their corresponding alcohols. GPX1 Glutathione Peroxidase,Glutathione Peroxidase 1,GPX1, Glutathione Peroxidase,Glutathione Peroxidase, GPX1
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia

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