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Clarithromycin and prednisolone inhibit cytokine production in chronic rhinosinusitis.

机译:克拉霉素和泼尼松龙抑制慢性鼻-鼻窦炎的细胞因子产生。

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OBJECTIVES Long-term, low-dose macrolide therapy is effective in the treatment of chronic rhinosinusitis. The mechanism of its anti-inflammatory effect and how this differs from corticosteroids remains unclear. The effect of clarithromycin and prednisolone on interleukin-5, interleukin-8, and granulocyte-macrophage colony-stimulating factor production by cultured chronic sinusitis nasal mucosa was examined in the study.STUDY DESIGN AND METHODS Nasal mucosa was obtained from 11 patients with chronic sinusitis. This tissue was cultured for 24 hours in the presence of clarithromycin or prednisolone at a variety of concentrations. Cytokine levels were determined by enzyme-linked immunoassay.RESULTS Clarithromycin and prednisolone each produced significant reductions in interleukin-5, interleukin-8, and granulocyte-macrophage colony-stimulating factor production. There was no significant difference between the effects of clarithromycin and prednisolone.CONCLUSION Macrolide antibiotics are capable of inhibiting pro-inflammatory cytokine production in vitro and are as potent as prednisolone. This mechanism is likely to be at least partly responsible for the clinical efficacy of macrolide antibiotics in chronic rhinosinusitis.
机译:目的长期低剂量大环内酯类药物治疗可有效治疗慢性鼻-鼻窦炎。其抗炎作用的机理以及与皮质类固醇的区别尚不清楚。研究了克拉霉素和泼尼松龙对培养的慢性鼻窦炎鼻黏膜产生白细胞介素5,白介素8和粒细胞巨噬细胞集落刺激因子的影响。研究设计和方法从11例慢性鼻窦炎患者中获得了鼻黏膜。 。在存在各种浓度的克拉霉素或泼尼松龙的情况下,将该组织培养24小时。结果通过酶联免疫法测定了细胞因子的水平。结果克拉霉素和泼尼松龙均使白介素5,白介素8和粒细胞巨噬细胞集落刺激因子的产生显着降低。结论克拉霉素和泼尼松龙的作用无明显差异。结论大环内酯类抗生素在体外能抑制促炎性细胞因子的产生,作用与泼尼松龙同等。这种机制可能至少部分负责大环内酯类抗生素在慢性鼻-鼻窦炎中的临床疗效。

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