高海拔去适应和长期免疫抑制:Nrf2在Treg功能中扮演的角色针对3PM
Yuxin Wang1, Zhijie Bai1,2,3, Jiamiao Li1
1Beijing Institute of Radiation Medicine, Beijing, China.
The EPMA journal
|March 13, 2026
概括
高海拔脱适应 (HADA) 通过增加调节性T细胞 (Tregs) 和激活Nrf2.2导致长期免疫抑制. 这损害了抗瘤免疫力,并突出了Nrf2作为HADA恢复的治疗点.
科学领域:
- 免疫学 免疫学 免疫学
- 高海拔医学 高海拔医学
- 系统生物学 系统生物学
背景情况:
- 高海拔脱适应 (HADA) 涉及复杂的生理重塑,可能会对健康产生长期影响.
- 以前对HADA的研究主要集中在心血管和神经系统上,忽视了免疫系统的改变.
- 免疫系统在疾病易感性和长期健康风险中的作用需要在HADA的背景下进行研究.
研究的目的:
- 在HADA期间对免疫系统重塑的特征,重点关注功能结果和潜在机制.
- 为管理HADA个人的健康提供免疫系统的视角.
- 支持向预测,预防和个性化医疗 (3PM) 的转变,在高海拔健康.
主要方法:
- 从人类队伍收集的外周血液和来自小鼠模型的免疫器官.
- 使用流细胞计和多原子方法 (RNA-seq,ATAC-seq) 分析免疫细胞群.
- 在体外评估调控性T细胞 (Treg) 抑制功能和验证的目标基因.
主要成果:
- 哈达改变了免疫细胞的比例,显著增加了在周围血液中具有增强抑制功能的调节性T细胞 (Tregs).
- 增加的Tregs导致长期免疫抑制,并损害了抗瘤免疫力.
- 多原子分析确定了Nrf2作为HADA诱导的Treg分子变化的关键媒介,由功能测定证实.
结论:
- 哈达通过Nrf2-介导的Treg重塑诱导持续的免疫抑制,影响免疫平衡和长期健康.
- Nrf2被确定为减轻HADA诱导的免疫损伤的潜在治疗标.
- 免疫生物标志物 (Treg表型,Nrf2活性) 可能有助于对HADA个体进行风险分层和个性化预防策略.
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