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摘要: 目的:研究鼻敏感颗粒对变应性鼻炎小鼠树突状细胞(DC)发挥免疫调节作用的具体机制。方法:分离出小鼠骨髓细胞,使用rGM-CSF和rIL-4共培养骨髓细胞,刺激骨髓细胞向DC转化。然后加入脂多糖和不同浓度的鼻敏感颗粒共刺激未成熟DC,12 h后检测DC中MHCⅡ、CD80、CD86表面分子以及细胞上清中TNF-α、IL-1β、IL-6和IL-10的表达。结果:鼻敏感颗粒能够显著抑制成熟DC标志性细胞因子IL-6、TNF-α、IL-10、IL-1β的生成和成熟DC标志物MHCⅡ、CD80和CD86的表达。结论:鼻敏感颗粒能够显著抑制未成熟DC向成熟DC的分化。Abstract: Objective: To investigate the mechanism.Method: We isolate the mouse bone marrow cells and cultured with rGM-CSF and rIL-4 to stimulate bone marrow cells to transfer to immature dendritic cells. And then the immature dendritic cells were costimulated with LPS and different concentrations of Bimingan Granule.Result: MHCⅡ, CD80, CD86 were detected by flow cytometer and TNF-α, IL-1β, IL-6 and IL-10 were quantified by ELISA.Conclusion: Our results showed that Bimingan Granule may significantly inhibit the differentiation of immature dendritic cells to mature dendritic cells.
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Key words:
- rhinitis,allergic /
- dendritic cells
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