在宿主内贝叶斯联合建模Leishmania感染的纵向和时间到事件数据
Felix M Pabon-Rodriguez1, Grant D Brown1, Breanna M Scorza2,3
1Department of Biostatistics, The University of Iowa College of Public Health, Iowa City, Iowa, United States of America.
PloS one
|February 9, 2024
概括
这项研究引入了贝叶斯联合模型,以了解莱什曼菌感染动态. 该模型整合了病原体负载,抗体水平和免疫因素,以预测狗的疾病进展和死亡风险.
科学领域:
- 免疫学 免疫学 免疫学
- 数学生物学 数学生物学
- 兽医医学 兽医医学 兽医医学
背景情况:
- 主体免疫反应对于管理感染至关重要,但模型复杂.
- 数学和统计模型用于研究宿主-病原体相互作用.
- 由于其复杂的疾病进展,Leishmania感染带来了重大的建模挑战.
研究的目的:
- 开发一个贝叶斯联合模型,用于莱什曼菌感染的纵向和时间到事件数据.
- 研究病原体负载,抗体水平和疾病进展之间的相互作用.
- 预测单个疾病的发展轨迹和死亡风险在犬类莱什曼病 (CanL).
主要方法:
- 使用纵向和时间到事件数据开发了贝叶斯联合模型.
- 该模型包括病原体负载,抗体水平和免疫因素 (CD4+/CD8+T细胞,IL-10,IFN-γ,PD-1).
- 利用来自自然感染的狗群 (Leishmania infantum) 的数据.
主要成果:
- 该模型描述了纵向结果和死亡时间之间的关系.
- 它确定了疾病进展和死亡风险的关键驱动因素.
- 该模型证明了对个别CanL进展轨迹的预测能力.
结论:
- 开发的宿主内部模型有助于更好地理解复杂的慢性疾病进展.
- 它为解决内脏莱什曼病的研究问题提供了一个框架.
- 这种方法可以为管理具有显著全球发病率的寄生虫疾病的策略提供信息.
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