EPISODE · Apr 24, 2026 · 20 MIN
847-成人中枢神经系统单核表观基因组图谱
from 聊聊Sci
这份研究通过单细胞表征技术深入分析了成年人类中枢神经系统的表观遗传图谱。科学家们揭示了神经胶质细胞，特别是少突胶质细胞，如何在成年期保留胚胎发育阶段的遗传记忆。这种记忆虽然不直接导致高水平的基因表达，但使相关染色质处于预启动状态。这种特殊的表观遗传机制一方面赋予了细胞在组织再生时快速激活功能的能力，另一方面也可能诱发胶质瘤的产生。该研究通过高分辨率技术，为理解人类大脑健康、发育障碍及癌症建模提供了宝贵的资源数据。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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