Spatial multi-omics sequencing for fixed tissue via DBiT-seq
Jun. 17, 2021- By: Graham Su;Xiaoyu Qin;Archibald Enninful;Zhiliang Bai;Yanxiang Deng;Yang Liu;Rong Fan
Courtesy ofAtlasXomics Inc.
Highlights
- Simultaneous transcriptomic and proteomic analysis on fixed tissue slides
- 10- and 25-μm spot size for varying resolution and near-single-cell analysis
- DBiT-seq can be conducted with common laboratory equipment and reagents
- DBiT-seq produces high-quality RNA sequencing data with high spatial resolution (10 μm)
Summary
This protocol describes the use of the deterministic barcoding in tissue for spatial omics sequencing platform to construct a multi-omics atlas on fixed frozen tissue samples. This approach uses a microfluidic-based method to introduce combinatorial DNA oligo barcodes directly to the cells in a tissue section fixed on a glass slide. This technique does not directly resolve single cells but can achieve a near-single-cell resolution for spatial transcriptomics and spatial analysis of a targeted panel of proteins.
For complete details on the use and execution of this protocol, please refer to Liu et al. (2020).
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