皮肤黄金葡萄球菌检测和与亚托皮炎结局的关系使用培养和元基因组测序结果
Arya Dahal1,2, Wan Chi Chang1, Elisabet Johansson1
1Division of Asthma Research, Cincinnati Children's Hospital Medical Center, 3333 Burnet Avenue MLC 7037, Cincinnati, OH, 45229, USA.
Scientific reports
|May 21, 2025
概括
在患有亚托皮性皮炎 (AD) 的儿童中检测金黄色葡萄球菌 (SA) 是至关重要的. 结合元基因组猎枪测序 (MSS) 和培养方法,可以全面评估SA殖民及其对AD严重程度和过敏结果的影响.
科学领域:
- 皮肤病学 皮肤病学
- 微生物学 微生物学
- 儿科过敏 儿科过敏
背景情况:
- 黄金葡萄球菌 (SA) 的皮肤殖民与儿科 atopic dermatitis (AD) 的严重程度增加和过敏疾病的风险有关.
- 在阿尔茨海默病患者中检测SA殖民化的最佳方法仍在争论中,对先进技术的比较研究有限,例如元基因组猎枪测序 (MSS) 与传统培养相比.
- 了解SA检测方法与AD临床/生物结果之间的关系对于有效管理至关重要.
研究的目的:
- 为了比较元基因组射击枪测序 (MSS) 和基于培养的方法在检测小儿阿托皮性皮肤炎 (AD) 中的Staphylococcus aureus (SA) 定居的疗效.
- 评估不同SA检测类别 (培养与MSS) 与AD严重程度,敏感性,总IgE水平和其他亚托皮结局之间的关联.
- 确定MSS和培养方法的结合是否能够更全面地评估SA在AD儿童的临床和生物影响.
主要方法:
- 利用了来自MPAACH (Mekanisms of Progression of Atopic Dermatitis to Asthma in Children) 队列 (n=759) 的数据进行研究.
- 定义了SA殖民类别,使用接触性亚格板样本/培养和皮肤带样本/MSS:双阴性,仅测序阳性,仅接触板阳性和双阳性.
- 在这些定义的SA殖民类别中评估了AD严重程度,过敏敏感性,总IgE水平和亚托皮性结果.
主要成果:
- 培养方法错过了MSS检测到的69%的SA样本,而MSS错过了培养检测到的54%的样本,突出了方法之间的显著差异.
- "双阳性"组 (通过MSS和培养检测到的SA) 显示出明显更高的AD严重程度,过敏敏感化负载,总血清IgE,以及患过敏性鼻炎 (AR) 的可能性增加.
- 通过MSS和培养来检测SA与AD严重程度,敏感性,总IgE和AR的增加相关,表明了互补的诊断价值.
结论:
- 无论是元基因组射门测序 (MSS),还是单独培养,都不足以在儿科亚托邦性皮肤炎 (AD) 中全面检测SA;它们是互补的方法.
- 使用MSS和培养的联合检测对于彻底评估SA殖民及其在AD中的相关临床和生物影响是必要的.
- 这种全面的方法有助于理解SA,AD严重程度和儿童其他过敏疾病的发展之间的复杂相互作用.
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