1495-全转录组尺度异构体分辨率单细胞空间成像 episode artwork

EPISODE · Aug 26, 2026 · 19 MIN

1495-全转录组尺度异构体分辨率单细胞空间成像

from 聊聊Sci

这项研究介绍了一种名为 RT&T-AMP 的创新性原位 RNA 扩增技术,并将其与 MERFISH 成像系统相结合。该技术突破了现有空间转录组学在检测短序列方面的限制,成功在单细胞水平上实现了全转录组尺度的异构体分辨率成像。科研人员利用此方法对小鼠大脑中约 33,000 种 RNA(涵盖 23,000 个基因和 10,000 个异构体)进行了精确制图。通过这些高分辨率数据,研究揭示了基因表达程序、细胞间通讯以及异构体使用的空间多样性与细胞类型特异性。这一工具为系统性理解组织功能背后的分子机制提供了强大的技术支撑。总体而言,该成果为复杂生物组织中单细胞异构体分辨率的转录组研究开辟了新途径。References:Cohen L, Halpern A R, Blosser T R, et al. Whole-transcriptome-scale isoform-resolved spatial imaging of single cells in tissues[J]. Cell, 2026.前往小宇宙评论区与主播互动

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1495-全转录组尺度异构体分辨率单细胞空间成像

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