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在 brojlers 感染性支气管炎接种疫苗后,细胞因子和急性阶段蛋白质反应

Anousheh Dana¹, Manoochehr Allymehr¹, Alireza Talebi¹

¹Department of Poultry Health & Diseases, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran.

Veterinary medicine and science

|August 22, 2024

概括

用不同的疫苗菌株对肉牛进行感染性支气管炎 (IB) 疫苗接种,诱导了可测量的细胞因子和急性阶段蛋白 (APP) 反应. 这些免疫标记与抗体标位相关,有助于疫苗评估.

科学领域:

兽医免疫学兽医免疫学
禽类的健康禽类的健康
疫苗学疫苗学疫苗学

背景情况:

传染性支气管炎 (IB) 是全球重要的家禽疾病.
疫苗接种是预防商业家禽IB的主要策略.
了解IB疫苗的免疫反应对于优化家禽健康管理至关重要.

研究的目的:

评估IB疫苗接种后 brojlers 中的细胞因子和急性阶段蛋白 (APP) 反应.
调查APP/细胞因子水平和抗体标位之间的相关性.
评估不同IB疫苗方案 (H120,1/96,MIX) 的免疫调节作用.

主要方法:

肉在0日和14日接种了H120,1/96或组合 (MIX) 疫苗.
测量的主要免疫参数包括异形细胞/淋巴细胞 (H/L) 比率,血清粉样蛋白A (SAA),素3 (chPTX3),IL-1β,IL-6和抗体标位.
在接种疫苗后的特定时间点进行测量,以追踪免疫动力学.

主要成果:

接种疫苗导致H/L比率,SAA,chPTX3,IL-1β和IL-6水平的快速,短暂的增加,在接种疫苗后的一天达到顶峰.
APP的反应显示出不同的模式,但在初级和二级免疫接种后,通常遵循类似的趋势.
在早期免疫标记 (1日,15日) 和抗体标位 (28日) 之间观察到正相关性,这表明了交叉调节.

结论:

不同的IB疫苗类型引发了独特的APP反应模式,这对于评估疫苗有效性是有价值的.
介素-6 (IL-6) 显示显著增加,标记为敏感的免疫反应指标.
pentraxin 3 (chPTX3) 显示显著增加,确定它作为评估疫苗结果的关键标准.

关键词:

这就是为什么APP APP APP.在此之前,IBIBIBIBIBIBIBIB brojler 肉肉肉是一个细胞因子细胞因子接种疫苗接种疫苗

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