系统分析揭示了免疫学特征,功能和代谢依赖的共同农村-城市梯度
Mikhael D Manurung1,2, Graham A Heieis1, Marion König1
1Leiden University Center for Infectious Diseases (LU-CID), Leiden University Medical Center, Leiden, Netherlands.
Science advances
|April 30, 2025
概括
城市化重塑免疫系统,改变免疫细胞功能和新陈代谢. 这些在不同人群中观察到的变化突显了人类对环境变化的共同适应.
科学领域:
- 免疫学 免疫学 免疫学
- 环境健康 环境健康
- 系统生物学 系统生物学
背景情况:
- 城市化显著影响环境暴露和生活方式.
- 这些变化影响免疫系统的变化,疾病易感性和疫苗反应.
研究的目的:
- 在农村-城市梯度上分析免疫特征.
- 为了比较农村和城市塞内加尔人与城市荷兰人的免疫反应.
- 了解免疫学适应城市化.
主要方法:
- 综合系统分析,包括单细胞表型,代谢概况和功能分析.
- 免疫细胞种群及其功能特征的比较.
- 代谢干扰研究以评估细胞依赖性.
主要成果:
- 确定了沿着农村-城市梯度免疫重塑的轨迹.
- 在农村环境中观察到促炎性CD11c+B细胞的丰富,改变IgG Fc糖化,适应性NK细胞的反应能力降低,CD161+CD4+T细胞的增强细胞因子产生.
- 在不同人群中对细胞因子反应有明显的代谢依赖性 (糖解,酸途径,脂肪酸合成).
- 在印尼队列中验证了核心免疫特征,表明共享的适应.
结论:
- 城市化引发了显著的免疫系统重塑,具有明显的细胞和代谢特征.
- 这些免疫适应似乎是跨不同祖先和地理位置共享的.
- 这些发现提供了对适应城市化的未经研究的人群免疫功能的关键见解.
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