Authors
Ting Zhang, Fatemeh S Farassati, Alejandro Stark-Quiroz, Yuanhang Liu, Nick M Huynh, Yujiro Hayashi, Tamas Ordog, Jeong-Heon Lee
Published in
Journal of visualized experiments : JoVE. Issue 232. Jun 12, 2026. Epub Jun 12, 2026.
Abstract
Spatial multiomic technologies combined with single-cell profiling offer unprecedented opportunities to elucidate the molecular and cellular architecture of complex tissues. Combining spatial barcoding of nuclei within individual cryosections prepared from tissue blocks embedded in optimal cutting temperature (OCT) freezing medium with single-cell multiomic assays into a simple and efficient workflow can facilitate the annotation and spatially resolved molecular analysis of cells in tissue types. This study reports a spatial cleavage under targets & tagmentation (CUT&Tag) multiome approach that simultaneously profiles histone H3K27ac modification and gene expression in a single frozen brain section. Following spatial barcoding, single nuclei are isolated and subjected to CUT&Tag, combined capture of tagmented DNAs, RNAs, and spatial barcodes, library preparation, and sequencing. The workflow generates spatially annotated epigenomic and transcriptomic profiles from the same nuclei, enabling assignment of the multiomic information to anatomical coordinates. Integrating epigenomic information with spatial transcriptomic data increases the fidelity of cell-type identification and reveals spatially organized regulatory programs and cell-cell interactions within intact tissues.
PMID:
42371963
Bibliographic data and abstract were imported from PubMed on 30 Jun 2026.
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