1170-D&D-seq:单细胞调控 DNA-蛋白质相互作用图谱绘制 episode artwork

EPISODE · Jun 22, 2026 · 21 MIN

1170-D&D-seq:单细胞调控 DNA-蛋白质相互作用图谱绘制

from 聊聊Sci

D&D-seq 是一种创新的单细胞多组学技术,旨在精确绘制蛋白质与 DNA 之间的相互作用图谱。该方法通过将胞嘧啶碱基编辑器与特定抗体结合,在蛋白质结合位点诱导特殊的 C-to-U 基因编辑,从而捕捉哪怕是极微弱或瞬时的转录因子结合信号。与传统方法相比,它能在保持高特异性的同时,跨越开放和封闭的染色质区域进行全基因组制图。研究证明,该技术可无缝集成至现有的单细胞测序流程中,用于分析原代患者样本。通过整合基因型、转录组和染色质可访问性,科学家能够深入揭示疾病(如 IDH2 突变)中基因调控网络的改变。这种工具为在单细胞水平上探索三维基因组结构和复杂的基因表达调控提供了强大的科研支撑。References:Chi WY, Yoon SH, Goksel E, Mekerishvili L, Pelt J, Lin Y, Prieto T, Zinno J, Ganesan S, Potenski C, Izzo F, Landau DA, Raimondi I. Single-cell mapping of regulatory DNA-protein interactions. Cell. 2026 Jun 4:S0092-8674(26)00573-8. doi: 10.1016/j.cell.2026.05.014. Epub ahead of print. PMID: 42242226.前往小宇宙评论区与主播互动

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1170-D&D-seq:单细胞调控 DNA-蛋白质相互作用图谱绘制

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