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首页> 外文期刊>Current opinion in allergy and clinical immunology >Modulation of calcium homeostasis as a mechanism for altering smooth muscle responsiveness in asthma.
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Modulation of calcium homeostasis as a mechanism for altering smooth muscle responsiveness in asthma.

机译:调节钙稳态作为改变哮喘中平滑肌反应性的一种机制。

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摘要

Airway hyperresponsiveness remains a defining characteristic of asthma. Traditional views assert that airway smooth muscle is an important structural effector cell in the bronchi that modulates bronchomotor tone induced by contractile agonists. New evidence, however, suggests that abnormalities in airway smooth muscle functions, induced by variety of extracellular stimuli, may play an important role in the development of airway hyperresponsiveness. Studies using isolated bronchial preparations or cultured cells show that inflammatory mediators and cytokines may alter calcium homeostasis in airway smooth muscle and render the cells nonspecifically hyperreactive to agonists.
机译:气道高反应性仍然是哮喘的特征。传统观点认为,气道平滑肌是支气管中重要的结构效应细胞,可调节收缩性激动剂诱导的支气管舒张功能。然而,新证据表明,由多种细胞外刺激引起的气道平滑肌功能异常可能在气道高反应性发展中起重要作用。使用分离的支气管制剂或培养的细胞进行的研究表明,炎性介质和细胞因子可能会改变气道平滑肌中的钙稳态,并使细胞对激动剂无特异性高反应性。

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