EPISODE · Jul 8, 2026 · 19 MIN
1250-小胶质细胞形态与空间转录组学研究
from 聊聊Sci
这项研究利用空间转录组学与免疫组织化学技术，深入探讨了小鼠大脑中小胶质细胞的形态、基因表达及其在衰老过程中的演变。研究人员发现，传统的形态学分类并不能完全对应细胞的转录状态，例如在疾病相关的转录群中依然存在具有复杂分支形态的亚群。通过分析发现，mRNA在亚细胞层面（如胞体与突起）的分布差异是决定细胞形状的关键因素，且这种分布模式会随着年龄增长而发生重塑。研究识别出了一组与细胞复杂性高度相关的核心基因，揭示了衰老如何将小胶质细胞的功能重心从免疫调节转向细胞迁移。这些成果挑战了关于微胶质细胞状态的传统假设，为理解神经退行性疾病提供了全新的视角。References:Henze D E, Tsai A P, Wyss-Coray T, et al. Simultaneous spatial transcriptomics and morphology profiling as tools to explore how microglia change with age[J]. Nature Aging, 2026: 1-17.前往小宇宙评论区与主播互动
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1250-小胶质细胞形态与空间转录组学研究
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