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感觉神经肽与支气管哮喘 被引量:11

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摘要 气道的神经源性炎症与哮喘的发病机制日益受到重视。现认为感觉神经肽是气道非胆碱能兴奋性神经的重要递质,当气道上皮损伤后,由气道无髓鞘感觉神经通过轴突反射机制释放。目前研究较多且与哮喘关系密切的感觉神经肽有P物质、神经激肽A、神经激肽B、降钙素基因相关肽等。感觉神经肽主要通过收缩气道平滑肌、增加气道黏膜血浆外渗、促进粘液高分泌、促进炎症介质释放、加重气道高反应性等作用参与哮喘的病理生理过程。影响感觉神经肽释放的因素很多,不少感觉神经肽受体拮抗剂已相继问世,对其研究和开发将为哮喘的治疗开辟新的途径。
出处 《国外医学(儿科学分册)》 2001年第4期178-181,共4页 Foreign Medical Sciences(Section of Pediatrics)
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