1300-成人中枢神经系统单核表观基因组图谱

这项研究通过对成年人中枢神经系统的三个不同区域进行单核表观基因组分析，填补了人类神经细胞调节景观的研究空白。研究团队利用snATAC-seq和nanoCUT&Tag技术，同时绘制了染色质开放性以及H3K27ac与H3K27me3两种组蛋白修饰的图谱。实验结果揭示了成年少突胶质细胞和星形胶质细胞中保留着某些发育程序的表观遗传记忆，这些特征通常与基因的高强度表达并不直接同步。这种特殊的染色质启动状态赋予了细胞在再生过程中快速激活相关基因的能力，但同时也可能增加其发生神经胶质瘤的风险。该研究为理解人类中枢神经系统的细胞异质性提供了宝贵的资源，并阐明了发育印记如何影响成年期的细胞功能与疾病易感性。References:Kabbe M, Agirre E, Carlström K E, et al. Single-nucleus epigenomic profiling of the adult human central nervous system unveils epigenetic memory of developmental programs[J]. Nature Neuroscience, 2026: 1-15.前往小宇宙评论区与主播互动

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1300-成人中枢神经系统单核表观基因组图谱

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