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Updated: Aug 16, 2026
Efficient Generation of Pancreas/Duodenum Homeobox Protein 1+ Posterior Foregut/Pancreatic Progenitors from hPSCs in Adhesion Cultures
Published on: March 27, 2019
The molecular basis and prospects in pancreatic development
1Institute of Molecular Embryology and Genetics, Kumamoto University, Honjo 2-2-1, Kumamoto 860-0811, Japan. skume@medic.kumammoto-u.ac.jp
Abstract:
Studies on the signaling mechanism that control the specification of endoderm-derived organs have only recently begun. While many studies revealed genes involved in the differentiation, growth and morphogenesis of the pancreas through studies of mutant mice, still little is known about how endoderm give rise to specific domains. Although many genes are known to have a role in pancreatic differentiation, growth and morphogenesis, few genes are known to take part in the specification of the pancreas so far. Hallmarks as well as gene markers for early development of the pancreas, which are however still very limited, will be useful for dissecting early events in pancreatic specification. Here, I give a summary on the origin of the dorsal and ventral pancreatic progenitors, signals for inductions, and genes so far known to function in pancreatic differentiation. I also give a future prospect in the use of ES cells and other experimental models, towards a comprehensive understanding of gene networks in the progenitor cells or intermediate cell types which arise during various stages of differentiation.
Insights
Understanding pancreatic development requires identifying early signaling mechanisms. This study summarizes known genes and progenitor origins, highlighting the need for better early developmental markers and models like embryonic stem (ES) cells.
Area of Science:
- Developmental biology
- Molecular genetics
- Organogenesis
Background:
- The signaling mechanisms controlling endoderm-derived organ specification, particularly the pancreas, are not well understood.
- While genes involved in pancreatic differentiation and morphogenesis are known, early pancreatic specification gene involvement is limited.
- Early developmental hallmarks and gene markers for the pancreas are scarce, hindering the dissection of early specification events.
Purpose of the Study:
- To summarize the current knowledge on pancreatic progenitor origins and inductive signals.
- To review genes known to function in pancreatic differentiation.
- To discuss future prospects using experimental models for a comprehensive understanding of pancreatic progenitor gene networks.
Main Methods:
- Literature review and synthesis of existing studies on pancreatic development.
- Analysis of gene expression patterns and signaling pathways.
- Exploration of experimental models including mutant mice and embryonic stem (ES) cells.
Main Results:
- The origin of dorsal and ventral pancreatic progenitors has been investigated.
- Key signals and genes involved in pancreatic differentiation are identified.
- Limited early gene markers for pancreatic specification are available.
Conclusions:
- Further research is needed to elucidate the early signaling mechanisms of pancreatic specification.
- Development of novel early developmental markers and utilization of advanced experimental models are crucial.
- A comprehensive understanding of gene networks in progenitor and intermediate cell types is essential for advancing pancreatic development research.
