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Sika deer (Cervus nippon) velvet antler ameliorates 2,4-dinitrochlorobenzene-induced atopic dermatitis-like clinical signs in a rodent model

鹿角 特应性皮炎 免疫学 促炎细胞因子 医学 炎症 脾脏 生物 生态学
作者
Young‐Jin Choi,Meiqi Fan,Yonghai Yu,Xiaoli Wang,Yujiao Tang,Eun‐Kyung Kim
出处
期刊:Animal Production Science [CSIRO Publishing]
卷期号:60 (10): 1357-1357 被引量:3
标识
DOI:10.1071/an19500
摘要

Context Deer velvet is a rarely used component in traditional Chinese medicine and has beneficial effects against several diseases. As a substance that covers the bone and cartilage of immature antlers, deer velvet is a natural cytokine ‘storeroom’ that is rich in protein and proteoglycans. Recently, proteoglycans have been shown to have beneficial effects against inflammation. Aims To determine whether antler extract possesses therapeutic effects in a mouse model of atopic dermatitis (AD) and to explore the underlying mechanisms of action. Methods BALB/c mice were randomly divided into the following groups: control, AD, and AD + antler groups. We established an in vivo AD model by repeatedly exposing the ears of mice to Dermatophagoides farinae extract (house dust-mite extract) and 2,4-dinitrochlorobenzene once per week for 4 weeks. On the day after induction, ear thickness was measured. Antler extract (100 mg/kg) was administered orally once a day for 26 days. After 4 weeks of treatment with antler extract, the epidermal and dermal ear thickness, mast-cell infiltration, spleen weight, and lymph-node weight were measured. In addition, the mRNA levels of several pathogenic cytokines in the ears were measured. The concentrations of IL-4, IL-5, IL-10, IL-31 and IL-17 mRNA in the skin lesions of each group were measured by quantitative polymerase chain reaction. Key results Epidermal and dermal ear thickness, mast-cell infiltration, lymph-node weight, and gene expression levels of pathogenic cytokines in ear tissue were diminished following oral administration of antler extract, unlike in the control group. Conclusions The results of the present study strongly suggest that antler extract exhibits therapeutic activity against atopic dermatitis via regulation of inflammatory response. Implications Further exploration of the mechanisms of action of antler extract will be important for clinical application.

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