期刊
FOOD AND CHEMICAL TOXICOLOGY
卷 124, 期 -, 页码 300-315出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.fct.2018.12.018
关键词
alpha-mangostin; Inflammation; Oxidative stress; Collagen-induced arthritis; Rheumatoid arthritis
资金
- National Council for Science and Technology [CONACYT CB-2012-169011]
- Programa de Investigation para el Desarrollo y la Optimization de Vacunas, Inmunomoduladores y Metodos Diagnosticos del Instituto de Investigaciones Biomedicas, UNAM
- CONACYT [254086]
Rheumatoid arthritis (RA) is an autoimmune disease that causes physical disability in people worldwide. Despite progress made in RA treatment in the past decade, new drugs with high efficacy but few long-term adverse effects are still needed. This study focused on evaluating the therapeutic potential of alpha-mangostin on established collagen-induced arthritis (CIA) in DBA/1J mice. Arthritic DBA/1J mice were orally administered with two doses of a-mangostin (10 and 40 mg/kg) daily, for 33 days. Alpha-mangostin significantly decreased the clinical score in the short term at both doses and decreased the histopathological score at the higher dose. This improvement was accompanied by a reduction on serum levels of anti-collagen IgG2a autoantibodies and of the production of LIX/ CXCL5, IP-10/CXCL10, MIG/CXCL9, RANTES/CCL5, IL-6 and IL-33 in the joints of CIA mice. Alpha-mangostin also exhibited an anti-oxidant effect decreasing the NADPH oxidase activity and lipid peroxidation and preserving the levels of reduced glutathione in the arthritic joints. In vitro this xanthone demonstrated modulatory properties on LPS-activated dendritic cells, although in Thl and Th17-polarized lymphocytes promotes a proapoptotic phenotype. Altogether this study illustrates the capacity of a-mangostin to ameliorate the early clinical and histological signs of established CIA by reducing the inflammatory and oxidative responses.
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