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Lyprinol reduces inflammation and improves lung function in a mouse model of allergic airways disease.

机译:在过敏性气道疾病的小鼠模型中,Lyprinol可减轻炎症并改善肺功能。

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BACKGROUND: Asthma is an inflammatory airway disease that is characterized by an influx of eosinophils to the lungs, mucus hypersecretion and T helper type 2 cytokine production. Recent dietary changes, including a decreased omega-3 polyunsaturated fatty acid (PUFA) intake, may have contributed to increased asthma rates and dietary supplementation with marine oil could have clinical benefits. OBJECTIVE: To assess the effects of dietary supplementation with omega-3 PUFAs on allergic inflammation and lung function using a mouse model of ovalbumin (OVA)-induced allergic airway disease (AAD). METHODS: BALB/c mice received a daily supplement of either fish oil (rich in omega-3 PUFA) or lyprinol (a complex mixture of various marine lipids plus vitamin E and olive oil) before and during AAD. The effects of supplementation on AAD were assessed. RESULTS: Lyprinol but not fish oil treatment reduced eosinophil influx into the bronchoalveolar lavage fluid, the lung tissue surrounding the airways and the blood, decreased mucus hypersecretion in the lung and reduced airway hyperresponsiveness (AHR). The effects of lyprinol were not associated with changes in serum IgG1 or IgG2a, or the release of IL-4, IL-5, IL-13 and IFN-gamma. CONCLUSIONS: Lyprinol suppresses the development of allergic inflammation and AHR in AAD. The therapeutic potential of dietary supplementation with lyprinol for asthma warrants further investigation.
机译:背景:哮喘是一种炎症性气道疾病,其特征是嗜酸性粒细胞大量流入肺部,粘液分泌过多和T辅助2型细胞因子产生。最近的饮食变化,包括减少omega-3多不饱和脂肪酸(PUFA)的摄入量,可能导致哮喘发生率增加,而膳食补充海洋油可能具有临床益处。目的:使用卵清蛋白(OVA)诱发的过敏性气道疾病(AAD)小鼠模型评估饮食中补充omega-3 PUFA对过敏性炎症和肺功能的影响。方法:在AAD之前和期间,BALB / c小鼠每天补充鱼油(富含omega-3 PUFA)或lyprinol(各种海洋脂质与维生素E和橄榄油的复杂混合物)。评估了补充对AAD的影响。结果:Lyprinol而非鱼油治疗减少了嗜酸性粒细胞流入支气管肺泡灌洗液,气道和血液周围的肺组织,减少了肺中的粘液分泌过多并降低了气道高反应性(AHR)。 lyprinol的作用与血清IgG1或IgG2a的变化或IL-4,IL-5,IL-13和IFN-γ的释放无关。结论:Lyprinol抑制AAD中过敏性炎症和AHR的发展。饮食中添加氨酚的哮喘治疗潜力值得进一步研究。

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