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首页> 外文期刊>Modern rheumatology >The effect of synthetic retinoid, Am80, on T helper cell development and antibody production in murine collagen-induced arthritis.
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The effect of synthetic retinoid, Am80, on T helper cell development and antibody production in murine collagen-induced arthritis.

机译:合成类视黄醇Am80对鼠胶原诱导的关节炎中T辅助细胞发育和抗体产生的影响。

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摘要

Retinoids are known to promote T helper (Th)2 and regulatory T cell (Treg) differentiation, and suppress Th1 and Th17 in vitro. Am80, a synthetic retinoid, is reported to ameliorate collagen-induced arthritis (CIA). The aims of this study are to determine the effects of Am80 on CIA in detail, and on Th development and antibody (Ab) production in vivo. Murine CIA was induced by immunization with bovine type II collagen (CII) at days 1 and 22. Treatment with Am80 from day 1 to 35 significantly lowered clinical arthritis score, suppressed cellular infiltration and bone destruction in the joint, decreased interleukin (IL)-17 and increased interferon (IFN)-gamma production by CII-stimulated splenocytes, and decreased proportion of Foxp3(+) splenic CD4 T cells and serum anti-CII Ab levels. Thus, Am80 inhibited Th17 and Treg and enhanced Th1 differentiation in vivo. In contrast, Am80 applied from day 15 to 35 did not alter arthritis score, IL-17 or IFN-gamma production by CII-stimulated splenocytes, but decreased the proportion of Foxp3(+) splenic CD4 T cells and serum anti-CII Ab levels. Am80 exhibits inhibitory effects on CIA and might regulate both Th development and Ab production in vivo. Decreased Th17 by treatment with Am80 might be responsible for the attenuation of arthritis.
机译:已知类维生素A能促进T辅助(Th)2和调节性T细胞(Treg)分化,并在体外抑制Th1和Th17。据报道,Am80是一种合成类维生素A,可改善胶原蛋白诱发的关节炎(CIA)。这项研究的目的是详细确定Am80对CIA的影响,以及对体内Th发育和抗体(Ab)产生的影响。在第1天和第22天用牛II型胶原(CII)免疫诱导诱导鼠CIA。在第1天至第35天用Am80治疗显着降低了临床关节炎评分,抑制了关节的细胞浸润和骨破坏,降低了白介素(IL)- 17和CII刺激的脾细胞增加的干扰素(IFN)-γ产生,并减少Foxp3(+)脾CD4 T细胞的比例和血清抗CII Ab水平。因此,Am80在体内抑制Th17和Treg并增强Th1分化。相反,从第15天到第35天应用Am80不会改变CII刺激的脾细胞的关节炎评分,IL-17或IFN-γ的产生,但会降低Foxp3(+)脾CD4 T细胞的比例和血清抗CII Ab水平。 Am80对CIA具有抑制作用,并且可能在体内调节Th的发育和Ab的产生。通过用Am80治疗降低Th17可能是关节炎减轻的原因。

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