在二氧化引起的肺损伤中,肺微生物群和代谢物概况之间的变化和关联
Chang Liu1, Jun Lu2, Rong Xiao3
1Medical School, Hunan University of Chinese Medicine, Changsha 410208, China; College of integrated Traditional Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha 410208, China.
Ecotoxicology and environmental safety
|July 13, 2024
概括
暴露会导致逐渐的肺损伤和纤维化. 这项研究表明,肺损伤涉及细胞因子,改变的肠道细菌和代谢变化,为治疗病提供了新的标.
科学领域:
- 职业健康 职业健康 职业健康
- 肺部医学 肺部医学
- 微生物学 微生物学
背景情况:
- 病是一种严重的职业肺部疾病,没有有效的治疗方法.
- 了解病的发病因子对于开发治疗策略至关重要.
研究的目的:
- 调查暴露于二氧化后的病发展的机制和目标.
- 分析不同时间暴露于二氧化对肺损伤,炎症,微生物群和新陈代谢的影响.
主要方法:
- 组织病理学和免疫组织化学用于肺组织分析.
- 与酶相关的免疫吸收试验 (ELISA) 用于细胞因子检测.
- 16S rRNA测序用于肺微生物群的概况.
- 用于代谢途径分析的非向代谢组学.
主要成果:
- 暴露于会导致逐渐的肺组织损伤和肺纤维化,随时间的推移而恶化 (2 vs 4 周).
- 升高的IL-4,IL-13和IL-6水平表明持续的炎症反应.
- 观察到不同的肺部细菌种群,包括Lachnospiraceae_NK4A136_group,在4周内,Haliangium,Allobaculum和Sandaracinus的时间转移.
- 引起的肺损伤与氧化应激相关,脂肪代谢受损,氨基酸代谢失衡.
结论:
- 引起的肺损伤涉及细胞因子,肺微生物群和代谢障碍之间的复杂相互作用.
- 细胞因子水平,肺微生物组成和代谢概况随着暴露的持续时间而动态变化.
- 这些相互关联的因素代表了症治疗的潜在治疗点.
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