1414-CD23通过IL-7Rα-mTORC2轴维持NKT17细胞稳态 episode artwork

EPISODE · Aug 10, 2026 · 17 MIN

1414-CD23通过IL-7Rα-mTORC2轴维持NKT17细胞稳态

from 聊聊Sci

这项研究揭示了CD23(FcεRII)在调节iNKT细胞,特别是NKT17亚群稳态平衡中的关键作用。实验表明,CD23缺失会通过削弱IL-7Rα-mTORC2-AKT信号轴,导致NKT17细胞因凋亡增加和代谢受损而显著减少。研究发现,虽然CD23不直接控制细胞谱系转录因子的编程,但它对于维持这些免疫细胞的生存和功能至关重要。临床分析进一步将这一发现与过敏性哮喘联系起来,指出CD23表达上调可能通过促进IL-17的产生而加剧气道炎症。通过注射外源性IL-7可以恢复缺失CD23引起的功能缺陷,为治疗相关炎症疾病提供了新的潜在靶点。总之,该研究为理解先天免疫细胞的发育和过敏性疾病的病理生理学提供了重要的分子框架。References:Niu L, Tan B, Xu J, et al. CD23 sustains NKT17 cell homeostasis via IL-7Rα-mTORC2 signaling[J]. Cell Death & Disease, 2026.前往小宇宙评论区与主播互动

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1414-CD23通过IL-7Rα-mTORC2轴维持NKT17细胞稳态

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