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Mouse Models of Asthma: What Physiological Evidence Are They Based on?

机译:哮喘小鼠模型:基于哪些生理证据?

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Background: Asthma is a chronic inflammatory disease of the lungs that is characterized by airway hyperresponsiveness (AHR) to bronchoconstricting stimuli. The physiological response of the asthmatic lung to inhaled allergen is often characterized by two distinct phases: An early-phase response (EPR) within the first hour following exposure which subsides, and a late-phase response (LPR) that is more prolonged and may occur several hours later. Ideally, a mouse model of asthma should be able to mimic all phases of the lung dysfunction associated with asthma. Methods/Data base: A review of the literature. Results/Conclusions: To date, a majority of the studies using mouse models of asthma have focussed on AHR as a physiological outcome measure. The few studies that have examined the EPR and LPR have been limited by the use of inappropriate and inaccurate measures of lung mechanics. On the basis of current evidence, it would appear that LPR is not correlated with presence of AHR in mice. Future studies should be aimed at determining the presence of a physiological late-phase response in mouse models of asthma and whether or not it is correlated with AHR as seen in human asthmatics.
机译:背景:哮喘是一种慢性肺部炎症性疾病,其特征是对支气管收缩刺激的气道高反应性(AHR)。哮喘肺对吸入性变应原的生理反应通常以两个不同的阶段为特征:暴露后第一小时内的早期反应(EPR)消退,而后期反应(LPR)则更长时间且可能会延长。几个小时后发生。理想地,哮喘小鼠模型应能够模拟与哮喘相关的肺功能障碍的所有阶段。方法/数据库:文献综述。结果/结论:迄今为止,大多数使用哮喘小鼠模型的研究都集中于AHR作为一种生理结果指标。少数检查EPR和LPR的研究由于使用了不恰当且不准确的肺力学指标而受到限制。根据目前的证据,似乎LPR与小鼠中AHR的存在无关。未来的研究应旨在确定哮喘小鼠模型中是否存在生理后期反应,以及是否与人类哮喘患者中的AHR相关。

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