期刊
LIFE SCIENCES
卷 288, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.lfs.2021.120205
关键词
Atopic dermatitis; Polysaccharide; Sacran; Th2 response; IgE
资金
- Xiamen Humanity Hospital, Fujian Medical University [3502Z20209078, XDHT2018027C, XDHT2018013A]
The study demonstrated that Sacran could alleviate symptoms in AD mice, reduce skin inflammation induced by DNCB, potentially through inhibiting Th2 cell activation and decreasing IgE release.
Aims: This study was aimed to explore whether sacran polysaccharide has a therapeutic effect on atopic dermatitis (AD) and its possible mechanisms. Materials and methods: 2, 4-dinitrochlombenzene (DNCB)-induced AD mice were treated with 0.2% Sacran, 0.5% Sacran and 0.1% tacrolimus. Through scoring dermatitis severity, measuring ear thickness, cracking behavior, open field test, we evaluated the therapeutic effect of Sacran on DNCB-induced AD mice. CD4(+) T cells and CD8(+) T cells were evaluated by flow cytometry. The relative expression of Ifng and Il4 were measured by real-time quantitative PCR. Key findings: Sacran could relieved the symptoms of DNCB-induced AD mice, such as AD score, ear thickness, and IgE release. Sacran may alleviate dermatitis by inhibiting Th2 activation and reducing IgE release. Significance: Our research further proved that polysaccharide Sacran has anti-dermatitis effects, and also clarified its mechanism of alleviating dermatitis by inhibiting the activation of Th2 cells and reducing the release of IgE, which provides a theoretical basis for the future clinical transformation of polysaccharide Sacran.
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