通过血清中免疫因子水平揭示的Campylobacter jejuni接种的节律性免疫反应
1College of Animal Science and Technology, Shandong Provincial Key Laboratory for Livestock Germplasm Innovation Utilisation, Shandong Agricultural University, Tai'an, Shandong, China.
British poultry science
|January 7, 2026
概括
18:00 接种Campylobacter jejuni的显示出更高的细菌负载和改变的免疫反应,表明敏感性增加. 像IL-8,IL-1β,IgA和SOCS3这样的免疫标记物表现出节奏变化,与细菌殖民相关.
科学领域:
- 兽医免疫学 兽医免疫学
- 微生物病原体的产生
- 时间生物学 时间生物学
背景情况:
- 坎比洛巴克特 (Campylobacter jejuni) 是人类食源性疾病的重要原因之一.
- 了解宿主-病原体相互作用动态,包括宿主免疫反应,对于开发有效的控制策略至关重要.
- 昼夜节律影响各种生理过程,包括免疫功能,可能影响感染结果.
研究的目的:
- 为了研究对坎比洛巴克特 (Campylobacter jejuni) 感染的免疫反应的时间动态.
- 为了确定接种时间是否会影响感染严重程度和免疫标志物表达.
- 评估细菌殖民和特定免疫媒介之间的相关性.
主要方法:
- 在一天的不同时间 (10:00, 14:00, 18:00) 接种Campylobacter jejuni.
- 在注射后的各个时间点测量了细胞含量的细菌群和IL-8,IL-18,IL-1β,IgA,IgY和SOCS3的血清水平.
- 用同位数和回归分析来评估节律性和相关性.
主要成果:
- 坎比洛巴克特 (Campylobacter jejuni) 的殖民性在18:00接种的中最高.
- 接种时间显著影响了IL-8,IL-18,IL-1β,IgA,IgY和SOCS3水平 (p < 0.001).
- 免疫标志物水平 (IL-8,IL-1β,IgA,SOCS3) 显示出节奏变化,特别是在18:00接种疫苗的组,与细菌殖民相关 (r = 0.35-0.76).
结论:
- 在下午晚些时候 (18:00) 接种疫苗时,更容易感染Campylobacter jejuni.
- 感染的时间影响宿主的免疫反应,特定的标记物表现出昼夜模式.
- 像IgY这样的免疫媒介与细菌负载有很强的相关性,突出了它们在Campylobacter jejuni感染中的作用.
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