EPISODE · Feb 20, 2026 · 13 MIN
529-母体免疫为何专伤雄性大脑
from 聊聊Sci
这项研究探讨了母体免疫激活（MIA）和母体微生物群缺失（MMD）对胎儿大脑发育及后期行为的影响。研究人员利用MERFISH和单细胞测序等先进技术，绘制了小鼠大脑发育过程中免疫分子的空间表达图谱。实验发现，这些环境压力会干扰趋化因子信号通路（如CXCL12-CXCR7），导致神经元迁移和大脑皮层层级结构的异常。这些发育变异具有明显的性别差异，雄性后代更易表现出社交障碍和焦虑等神经发育障碍相关行为。该成果为理解环境因素如何通过神经免疫机制诱发自闭症等疾病提供了重要线索。References: Kukreja B, Jeon S, Cao W, et al. Spatial transcriptomics of the developing mouse brain immune landscape reveals effects of maternal immune activation and microbiome depletion[J]. Nature Neuroscience, 2026: 1-14.前往小宇宙评论区与主播互动
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529-母体免疫为何专伤雄性大脑
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