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天生的淋巴细胞和干扰子限制了布鲁塞洛सिस的神经和关节并发症
Charles R Moley1, Catherine A Chambers1, Alexis S Dadelahi1
1Department of Veterinary Pathobiology, College of Veterinary Medicine, University of Missouri, Columbia, Missouri; Laboratory for Infectious Disease Research, University of Missouri, Columbia, Missouri.
天生的淋巴细胞 (ILC) 和干扰素对于预防布鲁塞拉感染并发症,如关节炎和神经血栓炎至关重要. 缺少ILCs或干扰素在小鼠模型中神经菌病原体.
科学领域:
- 免疫学 免疫学 免疫学
- 传染性疾病 传染性疾病
- 神经科学是一个神经科学.
背景情况:
- 血病是一种显著的动物传播疾病,引起发烧和焦点并发症,如关节炎和神经血病.
- 天生的淋巴细胞 (ILCs) 在布鲁塞拉病变,特别是焦点并发症中的作用需要进一步研究.
研究的目的:
- 研究先天性淋巴细胞 (ILCs) 在焦点Brucella melitensis感染的发病过程中的作用.
- 探索干扰素在神经菌病的发展和发病过程中的作用.
主要方法:
- 在小鼠的脚和肺部感染模型.
- 对缺乏自然杀手细胞,ILCs,自适应性免疫细胞和干扰素信号通路的小鼠进行分析.
- 感染脑组织的转录分析.
- 评估临床症状,关节殖民,神经复杂症和细菌负载.
主要成果:
- 天生的淋巴细胞 (ILCs),包括自然杀手细胞和ILC1s,限制布鲁塞拉在关节和大脑中的殖民.
- 缺乏ILC或适应性免疫的小鼠在感染后出现了恶化的关节炎和神经复杂症.
- 干扰素信号传递,特别是I型和II型组合信号传递,对于预防神经菌病,神经元损失和减少大脑细菌负荷至关重要.
结论:
- ILCs和干扰素对于预防布鲁塞拉感染的焦点并发症至关重要.
- 具有ILCs或干扰素信号传导缺陷的小鼠可以作为研究神经结核病原体的有价值模型.
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