调控性T细胞转分化作为肥胖和糖尿病的驱动因素
Acelya Yilmazer1, Dimitra Maria Zevla1, Karsten Kretschmer1
1Molecular and Cellular Immunology/Immune Regulation, Center for Regenerative Therapies Dresden (CRTD), Center for Molecular and Cellular Bioengineering (CMCB), Technische Universität Dresden, Dresden, Germany.
Frontiers in immunology
|December 5, 2025
概括
调节性T (Treg) 细胞可以失去稳定性并改变功能,特别是在肥胖期间的内脏脂肪组织中. 这种Treg细胞转基因分化促进炎症和代谢功能障碍,可能与自身免疫性疾病有关.
科学领域:
- 免疫学 免疫学 免疫学
- 代谢性疾病研究研究
- 细胞可塑性 细胞可塑性
背景情况:
- 调节Foxp3+的T (Treg) 细胞对于免疫平衡至关重要,但可以失去血统的稳定性.
- 虽然Treg细胞可塑性具有适应性,但有风险降低Foxp3的调节和促炎性重编程.
- 特雷格转分化与自身免疫有关,但其在代谢功能障碍中的作用尚不清楚.
研究的目的:
- 调查Treg细胞可塑性和转基因差异化在肥胖期间内脏脂肪组织 (VAT) 炎症中的作用.
- 探索推动增值税中Treg细胞损失的机制及其对代谢功能障碍的贡献.
- 在代谢疾病中的Treg不稳定性与1型糖尿病等自身免疫性疾病之间进行并行.
主要方法:
- 使用单细胞RNA测序和单细胞TCR测序.
- 在肥胖和内脏脂肪组织的背景下分析了Treg细胞动态.
- 综合发现与自身免疫病原发生的现有知识.
主要成果:
- 在肥胖期间,在VAT中确定了来自甲状腺的Treg细胞的选择性转分.
- 证明局部炎症应激驱动该组织中的Treg细胞损失.
- 建议这种转化分化过程会导致慢性增值税炎症和代谢功能障碍.
结论:
- 增值税中Treg细胞的不稳定性是由炎症性压力和代谢线索驱动的.
- 特雷格转基因差异化代表了一种潜在的途径,将肥胖引起的炎症与代谢功能障碍联系起来.
- 了解Treg可塑性对于解决代谢疾病和自身免疫性疾病至关重要.
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