833-外泌体miRNA调节免疫-神经通讯与社交行为 episode artwork

EPISODE · Apr 21, 2026 · 21 MIN

833-外泌体miRNA调节免疫-神经通讯与社交行为

from 聊聊Sci

这项研究揭示了血液循环中的细胞外囊泡(EVs)在调节社会行为中的关键作用。实验表明,T细胞分泌的囊泡携带特定的微RNA(miR-23a-3p和miR-103-3p),这些分子能够穿过血脑屏障进入前额叶皮层。通过抑制PKCε蛋白的表达,这些囊泡增强了GABAA受体在突触上的定位,从而修复了免疫缺陷小鼠及自闭症模型小鼠的抑制性神经信号传输。研究结果证明,这种非典型的免疫-神经通信途径能显著改善雄性小鼠的社交能力缺陷。这一发现不仅阐明了免疫系统如何从分子层面影响大脑功能,也为治疗社交障碍提供了潜在的生物疗法。References: Matoba K, Dohi E, Garcia P A, et al. Circulating extracellular vesicle microRNAs mediate immune modulation of social behavior in male mice[J]. Nature Communications, 2026.前往小宇宙评论区与主播互动

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833-外泌体miRNA调节免疫-神经通讯与社交行为

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