通过使用ALergy EXplorer (ALEX2) 宏观阵列,查喘患者的亚托皮状态
Robert G Hamilton1, Mark Holbreich2, Charles Bronzert1
1Johns Hopkins University School of Medicine, Johns Hopkins Asthma and Allergy Center, Baltimore, MD, USA.
概括
过敏探险器 (ALEX2) 提供了比传统的Phadiatop查更详细的视图的喘患者的亚托皮状态. ALEX2发现了Phadiatop遗漏的其他过敏原敏感性,有助于个性化喘管理.
科学领域:
- 过敏和免疫学 过敏和免疫学
- 肺部病理学 肺部病理学
- 生物标志物发现发现
背景情况:
- 查喘患者的阿托皮是有效管理的关键.
- 自2010年以来,Phadiatop多种空气过敏原屏一直是标准的生物标志物.
- 过敏探测器 (ALEX2) 宏阵列是一个有前途的定量替代方案.
研究的目的:
- 评估使用ALEX2用于喘患者的亚托皮性查的优缺点.
- 将ALEX2的诊断性能与Phadiatop和ImmunoCAP测试进行比较.
主要方法:
- 在使用ImmunoCAP和ALEX2的喘儿童中评估了亚托皮状态 (IgE敏感化).
- 试验对象包括阿米什和赫特利特农场的孩子,他们的Phadiatop结果是模两可的或是阳性的.
- ALEX2测试是对具有模两可的Phadiatop结果或总IgE升高的受试者进行的.
主要成果:
- 在44%的受试者中,ALEX2检测到Fadiatop遗漏的对过敏原 (虫,树花粉) 的IgE抗体,结果不明确,ImmunoCAP证实了这一点.
- 在Phadiatop阳性的受试者中,ALEX2在除了一个情况以外的所有情况下都证实了敏感性.
- 通过ALEX2检测到的特定IgE与环境暴露 (菌,子) 相关,并确定了交叉反应蛋白敏感性.
结论:
- ALEX2提供了超越Phadiatop的增强特异性和详细的敏感化模式.
- 临床病史仍然是确认已识别的敏感性相关性的关键.
- 亚历克斯2可以改善对喘患者的敏感化和管理策略的解释.
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