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- Title
Cell‐type profiling of the sympathetic nervous system using spatial transcriptomics and spatial mapping of mRNA.
- Authors
Kasemeier‐Kulesa, Jennifer C.; Morrison, Jason A.; McKinney, Sean; Li, Hua; Gogol, Madelaine; Hall, Kate; Chen, Shiyuan; Wang, Yongfu; Perera, Anoja; McLennan, Rebecca; Kulesa, Paul M.
- Abstract
Background: The molecular identification of neural progenitor cell populations that connect to establish the sympathetic nervous system (SNS) remains unclear. This is due to technical limitations in the acquisition and spatial mapping of molecular information to tissue architecture. Results: To address this, we applied Slide‐seq spatial transcriptomics to intact fresh frozen chick trunk tissue transversely cryo‐sectioned at the developmental stage prior to SNS formation. In parallel, we performed age‐ and location‐matched single cell (sc) RNA‐seq and 10× Genomics Visium to inform our analysis. Downstream bioinformatic analyses led to the unique molecular identification of neural progenitor cells within the peripheral sympathetic ganglia (SG) and spinal cord preganglionic neurons (PGNs). We then successfully applied the HiPlex RNAscope fluorescence in situ hybridization and multispectral confocal microscopy to visualize 12 gene targets in stage‐, age‐ and location‐matched chick trunk tissue sections. Conclusions: Together, these data demonstrate a robust strategy to acquire and integrate single cell and spatial transcriptomic information, resulting in improved resolution of molecular heterogeneities in complex neural tissue architectures. Successful application of this strategy to the developing SNS provides a roadmap for functional studies of neural connectivity and platform to address complex questions in neural development and regeneration. Key Findings: We applied Slide‐seq spatial transcriptomics to intact fresh frozen chick trunk tissue.In parallel, we performed age‐ and location‐matched single cell (sc) RNA‐seq and 10x Genomics Visium to inform our Slide‐seq analysis.Bioinformatic analyses led to the unique molecular identification of neural progenitor cells within the peripheral sympathetic ganglia (SG) and spinal cord preganglionic neurons (PGNs).We expanded the HiPlex RNAscope fluorescence in situ hybridization and multispectral confocal microscopy to visualize 12 gene targets in stage‐, age‐ and location‐matched chick trunk tissue sections.
- Subjects
SYMPATHETIC nervous system; SPATIAL systems; FLUORESCENCE in situ hybridization; CELL populations; GENE targeting
- Publication
Developmental Dynamics, 2023, Vol 252, Issue 8, p1130
- ISSN
1058-8388
- Publication type
Article
- DOI
10.1002/dvdy.577