Identification of spatially associated subpopulations by combining scRNAseq and sequential fluorescence in situ hybridization data.

Identification of spatially associated subpopulations by combining scRNAseq and sequential fluorescence in situ hybridization data.
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通过将SCRNASEQ和顺序荧光原位杂交数据结合来鉴定空间相关的亚群。

DOI:
10.1038/nbt.4260
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发表时间:
2018-10-29
影响因子:
46.9
通讯作者:
Yuan GC
Yuan GC
中科院分区:
工程技术1区
文献类型:
--
作者:
Zhu Q;Shah S;Dries R;Cai L;Yuan GC

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How intrinsic gene-regulatory networks interact with a cell’s spatial environment to define its identity remains poorly understood. Here we present an approach to distinguish intrinsic and extrinsic effects on global gene expression by integrating analysis of sequencing-based and imaging-based single-cell transcriptomic profiles, using cross-platform cell-type mapping combined with a hidden Markov random field model. We apply this approach to dissect the cell-type and spatial-domain-associated heterogeneity within the mouse visual cortex region. Our analysis identifies distinct spatially associated, cell-type-independent signatures in the glutamatergic and astrocyte cell compartments. Using these signatures to analyze single-cell RNAseq data, we identify previously unknown spatially associated subpopulations, which are validated by comparison with anatomical structure and Allen Brain Atlas images.
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