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Single-cell Transcriptomic Analyses of Mouse Pancreatic Endocrine Cells
Published on: September 30, 2018
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Single-cell transcriptomic and spatial landscapes of the developing human pancreas
Oladapo Edward Olaniru1, Ulrich Kadolsky2, Shichina Kannambath3
1Department of Diabetes, School of Cardiovascular and Metabolic Medicine & Sciences, King's College London, Guy's Campus, London SE1 1UL, UK.
Cell Metabolism
|December 13, 2022
Summary
Understanding human pancreas development is key to generating functional beta cells. This study maps cell types and gene patterns, revealing new insights into beta cell differentiation and potential Schwann cell interactions.
Area of Science:
- Developmental Biology
- Genomics
- Cell Biology
Background:
- Generating functional human beta cells in vitro remains challenging due to incomplete knowledge of human pancreas development.
- Existing differentiation protocols lack reproducibility.
Purpose of the Study:
- To provide a detailed transcriptomic and spatial analysis of developing human pancreas cell types.
- To elucidate the temporal-spatial gene cascades governing human pancreas development.
- To identify novel interactions and cellular dynamics during pancreas organogenesis.
Main Methods:
- Integration of single-cell RNA sequencing (scRNA-seq) with spatial transcriptomics.
- Analysis of multiple human pancreas developmental time points.
- Cell trajectory inference and cell-cell connectivity analysis.
Main Results:
- Detailed transcriptomic and spatial gene patterns of developing human pancreas cell types were identified.
- Distinct temporal-spatial gene cascades and cell differentiation trajectories were revealed.
- Schwann cells were found to be spatially co-located with endocrine progenitors, potentially interacting via L1CAM-EPHB2 signaling.
- Mesenchymal heterogeneity and lineage dynamics contributing to exocrine acinar cell development were uncovered.
Conclusions:
- This study provides a comprehensive resource for understanding human pancreas development.
- Identified temporal-spatial gene cascades and cell interactions offer new targets for improving beta cell generation in vitro.
- The findings advance our knowledge of pancreas organogenesis and cellular heterogeneity.
