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Updated: Jul 8, 2025

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呼吸道微生物及其与炎症标志物的关系
Olesya M Horlenko1, Iryna Yu Pikina1, Lyubomyra B Prylypko1
1UZHHOROD NATIONAL UNIVERSITY, UZHHOROD, UKRAINE.
概括
这项研究发现,在患有急性呼吸道感染 (ARI) 的儿童中,格兰氏阴性细菌主导着鼻微生物群. 这种细菌转移与炎症标志物增加和乳酸氧化酶活性相关.
科学领域:
- 微生物学 微生物学
- 免疫学 免疫学 免疫学
- 儿科 儿科 儿科
背景情况:
- 急性呼吸道感染 (ARI) 在儿童中很常见.
- 鼻微生物组在呼吸系统的健康和疾病中起着重要作用.
- 了解鼻微生物群和ARI炎症之间的关系至关重要.
研究的目的:
- 为了研究ARI儿童的鼻微生物组合.
- 分析鼻微生物群和ARI患者的炎症标志物之间的相关性.
- 将ARI患者的鼻微生物组和炎症概况与健康的对照组进行比较.
主要方法:
- 一项涉及112名ARI儿童和25名健康儿童的病例控制研究.
- 分析鼻微生物群的组成,识别细菌菌株.
- 对生物材料进行生物化学检查,以检测酶和酒精的存在.
- 测量炎症标记物,包括免疫球蛋白 (IgM,IgG,IgE),细胞因子 (IL-1,IL-4,IL-6,γ-IFN,TNF-α),新丁和甲状腺刺激激素 (TSH).
主要成果:
- 在ARI患者的鼻微生物群中,阴性细菌占主导 (71.0%),大肠杆菌占主导 (37.0%).
- 观察到炎症标志物水平升高,包括IgM增加2.2倍,IgG增加10倍,以及IL-1,IL-4,IL-6,γ-IFN,TNF-α和Neopterin的更高水平.
- 乳氧化酶主要在ARI患者中检测到,TSH水平与对照组相比显示出显著差异.
结论:
- 鼻微生物组向格拉姆阴性细菌的转变与儿童的ARI有关.
- 炎症标志物升高和乳糖氧化酶占主导地位是ARI儿童鼻环境的特征.
- 这些发现突出了鼻微生物群,炎症和急性呼吸道感染之间的复杂相互作用.
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