844-空间ATAC:组织切片染色质开放性空间图谱 episode artwork

EPISODE · Apr 23, 2026 · 24 MIN

844-空间ATAC:组织切片染色质开放性空间图谱

from 聊聊Sci

这份研究介绍了一种名为空间 ATAC(spatial ATAC)的创新生物技术,旨在解决传统方法无法在高分辨率下同时获取组织空间信息与表观基因组数据的难题。该技术通过将转座酶可及染色体测序(ATAC-seq)与带有空间条形码的固体捕获平台相结合,实现了对组织切片中开放染色体区域的精准定位与分析。研究团队在小鼠胚胎发育过程和人类乳腺癌病理切片中验证了该方法的有效性,展示了其在识别调控基因表达的空间动力学方面的卓越能力。实验证明,空间 ATAC 能够揭示特定细胞谱系分化和疾病微环境中的非编码调控元件。此外,该方法可以与空间转录组学数据无缝整合,为构建完整的多组学组织图谱提供了强有力的工具。这种技术对于深入理解发育生物学机理以及优化基因治疗的目标选择具有重要的科学价值。References: Llorens-Bobadilla E, Zamboni M, Marklund M, et al. Solid-phase capture and profiling of open chromatin by spatial ATAC[J]. Nature biotechnology, 2023, 41(8): 1085-1088.前往小宇宙评论区与主播互动

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844-空间ATAC:组织切片染色质开放性空间图谱

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