SM934 treated lupus-prone NZB × NZW F1 mice by enhancing macrophage interleukin-10 production and suppressing pathogenic T cell development.

SM934 treated lupus-prone NZB × NZW F1 mice by enhancing macrophage interleukin-10 production and suppressing pathogenic T cell development.
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DOI:
10.1371/journal.pone.0032424
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发表时间:
2012
期刊:
影响因子:
3.7
通讯作者:
Zuo JP
Zuo JP
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Hou LF;He SJ;Li X;Wan CP;Yang Y;Zhang XH;He PL;Zhou Y;Zhu FH;Yang YF;Li Y;Tang W;Zuo JP

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据报道,青蒿素及其衍生物对炎症和自身免疫性疾病具有强大的调节作用。本研究旨在探讨水溶性青蒿素类似物 SM934 对狼疮易发雌性 NZB×NZW F1 小鼠的治疗效果和潜在机制。 NZB/W F1小鼠分别口服SM934 3个月或6个月,以研究其对临床表现和免疫学相关的影响。为了进一步探讨 SM934 的机制,使用卵清蛋白 (OVA) 免疫或干扰素 (IFN)-γ 诱导的 C57BL/6 小鼠。在体内,SM934治疗3或6个月可显着延缓肾小球肾炎的进展,并提高NZB/W F1小鼠的存活率。临床改善伴随着 Th1 相关抗双链 DNA (dsDNA) IgG2a 和 IgG3 Abs、血清白介素 (IL)-17 降低,以及 Th2 相关抗 dsDNA IgG1 Ab、血清 IL-10 和 IL-4 升高。 SM934 治疗还抑制效应/记忆 T 细胞的积累,诱导 CD4+ T 细胞凋亡,同时增强 NZB/W F1 小鼠中调节性 T 细胞的发育。此外,SM934治疗促进NZB/W F1小鼠、OVA免疫的C57BL/6小鼠和IFN-γ诱导的C57BL/6小鼠巨噬细胞产生IL-10。在体外,SM934 增强了 IFN-γ 刺激的原代巨噬细胞的 IL-10 产生。本研究结果表明,青蒿素类似物 SM934 通过抑制致病性辅助 T 细胞的发育和增强抗炎细胞因子 IL-10 的产生,对易患狼疮的雌性 NZB/W F1 小鼠具有治疗作用。
Artemisinin and its derivatives were reported to possess strong regulatory effects on inflammation and autoimmune diseases. This study was designed to examine the therapeutic effects and underlying mechanisms of SM934, a water-soluble artemisinin analogue, on lupus-prone female NZB×NZW F1 mice. NZB/W F1 mice were treated orally with SM934 for 3 or 6 months respectively to investigate the effect on clinical manifestations and immunological correlates. To further explore the mechanisms of SM934, ovalbumin (OVA)-immunized or interferon (IFN)-γ-elicited C57BL/6 mice were used. In vivo, treatment with SM934 for 3 or 6 months significantly delayed the progression of glomerulonephritis and increased the survival rate of NZB/W F1 mice. Clinical improvement was accompanied with decreased Th1-related anti-double-strand DNA (dsDNA) IgG2a and IgG3 Abs, serum interleukin (IL)-17, and increased Th2-related anti-dsDNA IgG1 Ab, serum IL-10 and IL-4. SM934 treatment also suppressed the accumulation of effector/memory T cells, induced the apoptosis of CD4+ T cells, while enhancing the development of regulatory T cells in NZB/W F1 mice. In addition, SM934 treatment promoted the IL-10 production of macrophages from NZB/W F1 mice, OVA-immunized C57BL/6 mice and IFN-γ-elicited C57BL/6 mice. In vitro, SM934 enhanced IL-10 production from primary macrophages stimulated with IFN-γ. The results of this study demonstrated that artemisinin analogue SM934 had therapeutic effects on lupus-prone female NZB/W F1 mice by inhibiting the pathogenic helper T cell development and enhancing anti-inflammatory cytokine IL-10 production.
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