CD4+ T细胞子集与新诊断的焦虑障碍中的慢性压力影响有关
Bindong Dai1, Tao Li1, Jinya Cao1
1Department of Psychological Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Shuaifuyuan1, Dongcheng District, Beijing, 100730, PR China.
Neurobiology of stress
|July 29, 2024
概括
焦虑障碍患者表现出明显的CD4+T细胞子集,与焦虑严重程度和中介性压力影响相关的特定子集. 这些发现突显了T细胞在焦虑和压力反应中的作用.
科学领域:
- 免疫学 免疫学 免疫学
- 精神病学是一个精神病学.
- 计算生物学 计算生物学
背景情况:
- 之前的研究表明CD4+T细胞与焦虑之间存在联系.
- 涉及焦虑障碍的特定CD4+T细胞子集仍然不清楚.
- CD4+ T 细胞在慢性压力诱导焦虑中的调解作用需要研究.
研究的目的:
- 调查不同CD4+T细胞子集与焦虑之间的关系.
- 探索CD4+T细胞子集是否调解慢性心理压力对焦虑的影响.
主要方法:
- 根据DSM-5标准,招募了56名被诊断患有焦虑症的参与者.
- 使用汉密尔顿尺度评估焦虑和抑郁的严重程度;使用生活事件量表 (LES) 评估慢性压力.
- 通过多参数流细胞测量来表征CD4+T细胞子集,并使用部分最小平方结构方程建模 (PLS-SEM) 分析调解.
主要成果:
- 与对照人群相比,在焦虑患者中确定了15个不同的CD4+T细胞子集.
- 焦虑的严重程度与CD27+CD45RA-Th细胞,CD27+CD28+Tregs和LES得分相关.
- CD4+T细胞子集和LES解释了80.2%的焦虑变异;CD27+CD28+Th/Treg细胞反向介导了LES对焦虑的影响 (P=0.031).
结论:
- 以前没有服用过药物的焦虑症患者在CD4+T细胞子集中表现出显著的变化.
- CD27+CD45RA-Th记忆细胞和CD27+CD28+Treg天真细胞是焦虑严重程度的独立因素.
- CD27+CD28+Th和Treg子集显著调解了长期心理压力对焦虑的影响.
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