کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5832424 1122597 2015 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
A natural flavonoid glucoside icariin inhibits Th1 and Th17 cell differentiation and ameliorates experimental autoimmune encephalomyelitis
موضوعات مرتبط
علوم زیستی و بیوفناوری ایمنی شناسی و میکروب شناسی ایمونولوژی
پیش نمایش صفحه اول مقاله
A natural flavonoid glucoside icariin inhibits Th1 and Th17 cell differentiation and ameliorates experimental autoimmune encephalomyelitis
چکیده انگلیسی
Multiple sclerosis (MS) is an autoimmune disease that is characterized by recurrent episodes of T cell-mediated immune attack on central nervous system (CNS) myelin, leading to axon damage and progressive disability. Icariin, a natural flavonoid glucoside isolated from plants in the Epimedium family, has been proved to have various pharmacological activities. However, the effect of icariin on experimental autoimmune encephalomyelitis (EAE) has never been investigated. In our current study, we found that icariin treatment leads to alleviated inflammatory infiltration and reduced blood-brain barrier leakage (BBB) of the paracellular tracer (FITC-dextran) in EAE. Mice that received icariin-treated T cells also displayed lower EAE scores and better clinical recovery from EAE. Icariin administration suppresses the frequencies of Th1 and Th17 cells in the splenocytes and lymph node cells. Icariin-treated mice also show lower frequency of Th17 cells in CNS mononuclear cells. The effect of icariin on Th1 and Th17 cell differentiation may be mediated via modulation of dendritic cells (DCs). Furthermore, icariin suppresses the proliferation of T cells and the differentiation of Th1 and Th17 cells in vitro. In conclusion, icariin ameliorates EAE and this was associated with suppressed Th1 and Th17 cell differentiation.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Immunopharmacology - Volume 24, Issue 2, February 2015, Pages 224-231
نویسندگان
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