γδTreg/γδTh17细胞不平衡驱动了克桑介导的代谢功能障碍,抑制了压力诱导的焦虑类行为
Xiang Xue1, Chong Tang1, Na Yan1
1Department of Psychiatry, Nanfang Hospital of Southern Medical University, Guangzhou, China.
Cell biology international
|March 14, 2026
概括
焦虑症涉及免疫细胞 (γδT17/γδTreg) 和新陈代谢. 这项研究将由免疫失衡驱动的丁水平增加与小鼠的焦虑类行为和神经元损伤联系在一起.
科学领域:
- 神经免疫学 神经免疫学
- 代谢精神病学 代谢精神病学
- 免疫学 免疫学 免疫学
背景情况:
- 焦虑症很常见,但涉及免疫细胞和新陈代谢的潜在机制尚未完全理解.
- 需要澄清γδT17和γδTreg细胞及其在焦虑病原体中的代谢功能的作用.
研究的目的:
- 用小鼠模型研究γδT17/γδTreg细胞介导代谢在类似焦虑的行为中的作用.
- 为了确定特定的代谢途径和分子参与焦虑的发展.
主要方法:
- 使用慢性克制压力 (RS) 建立了一种类似焦虑行为的小鼠模型.
- 通过LC-MS/MS分析血清代谢量,并通过流动细胞计和免疫光检测评估免疫细胞种群.
- 研究了操纵 γδT17/γδTreg 细胞和施用山丁对行为和神经元病理学的影响.
主要成果:
- RS小鼠表现出类似焦虑的行为,神经元损伤,以及γδT17/γδTreg细胞的失衡 (增加γδT17,减少γδTreg).
- 耗尽 γδT17 细胞减少了焦虑,而耗尽 γδTreg 细胞则加剧了焦虑.
- 代谢分析显示RS小鼠中的高丁和低丁含量与纯素/核酸代谢有关;丁加剧了神经元损伤,并穿过了血脑屏障.
结论:
- 确定了一种新的γδT17/γδTreg-xanthine轴,有助于焦虑类行为.
- 这个轴将免疫失调和代谢重编程与焦虑病原性联系在一起.
- 研究结果表明,涉及免疫代谢相互作用的焦虑障碍是潜在的治疗点.
更多相关视频
05:28A Chronic Immobilization Stress Protocol for Inducing Depression-Like Behavior in Mice
Published on: May 15, 2019
23.7K
06:55An Unpredictable Chronic Mild Stress Protocol for Instigating Depressive Symptoms, Behavioral Changes and Negative Health Outcomes in Rodents
Published on: December 2, 2015
23.6K
相关概念视频
Stress and Mental Health
1.1K
Chronic stress profoundly affects mental health, significantly influencing mood, behavior, and overall quality of life. Research closely links chronic stress with mental health conditions such as depression, anxiety, and substance use disorders. Ongoing exposure to stress can lead to physiological and psychological changes, initiating a cycle of emotional distress and maladaptive coping mechanisms.
Individuals with depression often experience challenges in both their personal and professional...
Individuals with depression often experience challenges in both their personal and professional...
1.1K
Psychoneuroimmunology: Diabetes and Cancer
596
Chronic stress has been linked to both the onset and progression of serious health conditions, including Type 2 diabetes and cancer. Type 2 diabetes, a widespread chronic illness, is closely associated with obesity and insulin resistance, both of which often worsen under stress. Studies indicate that men experiencing high levels of chronic stress face a 45% higher risk of developing diabetes compared to those with minimal stress. Stress triggers physiological responses that elevate blood...
596
Hypothalamic-Pituitary Axis
69.3K
The response to stress—be it physical or psychological, acute or chronic—involves activation of the Hypothalamic-Pituitary-Adrenal (HPA) axis. The HPA axis is part of the neuroendocrine system because it involves both neuronal and hormonal communication. Its function is to regulate homeostatic systems—metabolic, cardiovascular, and immune—providing the necessary means to respond to a stressor.
69.3K
