复合人间白内素-12对乙酸氨基细胞,呼吸道过敏反应和晚期喘反应的影响
S A Bryan1, B J O'Connor, S Matti
1National Heart and Lung Institute, Imperial College, London, UK.
Lancet (London, England)
|February 24, 2001
概括
介质素-12 (IL-12) 在轻度过敏性喘患者的血液和唾液中降低了乙氨基酸. 然而,IL-12并没有显著改善气道过敏反应或晚期喘反应,这就质疑了乙氨基的作用.
科学领域:
- 免疫学 免疫学 免疫学
- 过敏和喘研究研究
背景情况:
- 介乐-12 (IL-12) 是一种调节T细胞反应的细胞因子,可以抑制过敏性炎症.
- 乙酸性炎症是过敏性喘的一个关键特征.
研究的目的:
- 在患有轻度过敏性喘的患者中研究复合人体IL-12的疗效.
- 评估IL-12对乙氨基酸细胞数量,呼吸道过敏反应和喘反应的影响.
主要方法:
- 这是一项双盲,随机,并行组临床研究.
- 患者每周接受升级性皮下注射IL-12或安慰剂.
- 评估了对吸入过敏原挑战的反应,呼吸道的过敏反应,以及乙素细胞的数量.
主要成果:
- 与安慰剂相比,IL-12显著降低了外周血液和液中异氨基细胞的数量.
- 观察到一种非显著的趋势,即改善了空气道的超响应性.
- 对晚期喘反应没有显著影响;一些患者经历了不良事件.
结论:
- 在轻度过敏性喘中,IL-12有效地降低了乙酸细胞的数量.
- 气道过敏反应缺乏显著的改善表明,乙素可能不是主要的调解者.
- 这些发现对开发用于喘的新型抗炎疗法有影响.
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