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Resveratrol Possesses Protective Effects in a Pristane-Induced Lupus Mouse Model

Zhuolong Wang,Xiaofang Luo,Meng-tao Li,Dong Xu,Shuang Zhou,Houzao Chen,N. Gao,Zhen Chen,Ling-Ling Zhang,Xiaofeng Zeng

Published 2014 in PLoS ONE

ABSTRACT

Background Systemic lupus erythematosus (SLE) is a multisystemic autoimmune disease characterized by the production of autoantibodies. To date, no therapy has been found to satisfactorily treat SLE. SIRT1 deficiency results in the development of an autoimmune syndrome in mice, including a high titer of anti-nuclear antibody in serum, immunoglobulin deposition in the kidney, and immune complex glomerulonephritis. Resveratrol is an activator of SIRT1 and possesses anti-inflammation and immune-regulatory properties. Objective To evaluate the preventative effects of resveratrol on a pristane-induced lupus animal model and assess its putative immune modulation effects. Methods BALB/c mice received a single intraperitoneal injection of 0.5 ml of pristane on day 1 and then various doses of resveratrol were given to the mice daily starting on day 2 and continuing for seven months. The autoantibodies in serum and supernatants were measured. Single cells isolated from spleen, isolated CD4+ T cells, and CD19+ B cells were cultured with or without resveratrol in vitro and assessed by flow cytometry. Results Resveratrol attenuated proteinuria, immunoglobuin depositon in kidney, and glomerulonephritis as well as IgG1 and IgG2a in serum in pristane-induced lupus mice. Resveratrol also suppressed CD69 and CD71 expression on CD4+ T cells as well as CD4+ T cell proliferation, induced CD4+ T cell apoptosis, and decreased CD4 IFNγ+ Th1 cells and the ratio of Th1/Th2 cells in vitro. In vitro antibody production and proliferation of B cells were also inhibited. Conclusion Resveratrol possesses protective effects in pristane-induced lupus mice and may represent a novel approach for the management of SLE.

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