美国传统品种对双链RNA的先天免疫反应
Magda I Abo-Samaha1, Mohammed M Sharaf2, Abeer F El Nahas2
1Department of Pathobiology, College of Veterinary Medicine, Tuskegee University, Tuskegee, AL 36088; Department of Animal Husbandry and Animal Wealth Development, Faculty of Veterinary Medicine, Alexandria University, Alexandria, Egypt.
Poultry science
|December 8, 2023
概括
遗产品种在对病毒双链RNA (dsRNA) 的天生的免疫反应中表现出遗传差异. 这项研究表明,单细胞上的CD163表达可能是选择具有更好的抗病毒免疫力的的标记.
科学领域:
- 免疫学 免疫学 免疫学
- 遗传学 是一个遗传学.
- 禽畜科学 禽畜科学 禽畜科学
背景情况:
- 遗产品种是家禽病原体的重要储库.
- 了解这些品种的先天免疫力对于疾病控制至关重要.
- 病毒双链RNA (dsRNA) 是先天抗病毒反应的关键触发因素.
研究的目的:
- 为了研究不同遗产品种对病毒dsrna的先天免疫反应.
- 确定影响免疫反应的遗传因素.
- 探索潜在的生物标志物来选择具有增强抗病毒免疫力的.
主要方法:
- 遗产注射了高分子量聚I:C (一种dsRNA模仿).
- 在和外周血液单核细胞 (PBMC) 中分析了基因表达 (IL-4,IL-12p40,IFNγ,BAFF,IFN-α,MDA5).
- 使用流式细胞计量来评估单细胞/巨细胞上的CD163表达.
主要成果:
- 在脏基因表达 (IL-4,IL-12p40,IFNγ,BAFF) 和PBMC IFN-α表达中观察到显著的品种特异.
- MDA5转录水平解释了PBMCsIFN-α变异的很大一部分.
- PBMCs上的CD163表达受到品种的显著影响,较高的抗病毒基因表达与较低的CD163水平相关.
结论:
- 对dsRNA的天生的免疫反应具有遗传基础.
- 品种影响关键免疫基因和CD163.3的表达.
- 血液单细胞上的CD163表达可能作为选择具有优越先天抗病毒免疫力的的快速指标.
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