Evaluation of Anti-Inflammatory Activities of Qingre-Qushi Recipe (QRQS) against Atopic Dermatitis: Potential Mechanism of Inhibition of IL-33/ST2 Signal Transduction

被引:12
作者
Chen, Mengjiao [1 ]
Ding, Peijun [1 ]
Yang, Lili [1 ]
He, Xufeng [1 ]
Gao, Chunjie [1 ]
Yang, Guoxun [2 ]
Zhang, Huimin [1 ]
机构
[1] Shanghai Univ Tradit Chinese Med, Dept Dermatol, Shuguang Hosp, Shanghai 200000, Peoples R China
[2] Fudan Univ, Sch Pharm, Shanghai 200000, Peoples R China
基金
中国国家自然科学基金;
关键词
NF-KAPPA-B; INFLAMMATORY RESPONSES; MOUSE MODEL; EXPRESSION; DISEASE; ADULT; ST2;
D O I
10.1155/2017/2489842
中图分类号
R [医药、卫生];
学科分类号
10 ;
摘要
To evaluate the anti-inflammatory activities of QRQS against AD and the inhibitory molecular mechanisms of IL-33/ST2 signal transduction, BALB/c mice were divided into six groups (normal control, OVA control, low-dose of QRQS, middle-dose of QRQS, high-dose of QRQS, and cetirizine) and epicutaneously exposed to ovalbumin or PBS for 3 weeks and treated with QRQS for 2 weeks. Skin biopsies and blood samples were obtained for histological study, antibody analysis, and RNA isolation. HaCaT cells, stimulated by TNF-alpha and IFN-gamma, were treated with QRQS to evaluate mRNA and protein expression by RT-PCR and ELISA. QRQS decreased both epidermal and dermal thickness, alleviated dermatitis, and reduced IL-33 and ST2 positive cell numbers. The concentration of specific IgE, IgG, IgG1, and IgG2a antibodies in serum and the expression of IL-33, ST2, IL-1RAcP, IL-4, and IL-13 mRNA in the skin were suppressed. No significant difference exists in TNF-alpha or IFN-gamma QRQS decreased IL-33 mRNA and protein secretion in HaCaT cells exposed to TNF-alpha and IFN-gamma in a time-and concentration-dependent manner. QRQS regulates related molecule expression of ovalbumin-induced dermatitis involved in the IL-33/ST2 signaling axis in the treatment of acute AD.
引用
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页数:11
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