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Spatial Transcriptomics Unveils the Blueprint of Mammalian Lung Development
Mingyue Chen 陈明月1,2, Junjie Lv 吕俊杰1,2, Qiao Zhang 张乔2
1State Key Laboratory of Animal Biotech Breeding, College of Biological Science, China Agricultural University, Beijing 100193, China.
Genomics, Proteomics & Bioinformatics
|June 10, 2025
Summary
This study maps mouse lung development using spatial transcriptomics, revealing key gene regulation and cell communication. It details distinct cell pathways and collagen
Area of Science:
- Developmental Biology
- Genomics
- Cell Biology
Background:
- Mammalian lung development involves complex cell coordination.
- Spatial gene expression and regulatory mechanisms are not fully understood.
Purpose of the Study:
- To create a spatial transcriptomic atlas of mouse lung development.
- To uncover transcription factor (TF) regulation and cell-cell communications.
Main Methods:
- Spatial transcriptomics of mouse lung development (pseudoglandular to alveolar stages).
- Integration of spatial epigenome data to identify TF-enhancer-driven regulons (eRegulons).
- Analysis of spatiotemporally dynamic cell-cell communications.
Main Results:
- A comprehensive spatial transcriptomic atlas of lung development was generated.
- Novel TF-eRegulons critical for epithelial progenitors were identified.
- Hundreds of dynamic cell-cell communications, including BMP8B signaling, were discovered.
- Distinct developmental trajectories of alveolar AT1 and AT2 cells were delineated.
- Collagen pathways were found to facilitate spatial convergence of alveolar cells.
Conclusions:
- The spatial transcriptomic atlas is a foundational resource for lung development research.
- Understanding of cellular and molecular orchestration in lung development is enhanced.
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