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Published on: February 2, 2024
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Optimized Protocol for Generating Functional Pancreatic Insulin-secreting Cells from Human Pluripotent Stem Cells
Ines Cherkaoui1, Qian Du2, Dieter Egli2
1Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Cell Biology and Functional Genomics; i.cherkaoui20@imperial.ac.uk.
Journal of Visualized Experiments : Jove
|February 19, 2024
Summary
Human pluripotent stem cells (hPSCs) offer a promising source for pancreatic beta cells. This study details a 27-day protocol for differentiating hPSCs into insulin-producing cells, crucial for diabetes research.
Area of Science:
- Stem Cell Biology
- Endocrinology
- Regenerative Medicine
Background:
- Human pluripotent stem cells (hPSCs), including embryonic stem cells (hESCs) and induced pluripotent stem cells (hiPSCs), possess the capacity to differentiate into all human cell types.
- There is a significant need for reliable sources of human pancreatic beta cells for research and potential therapeutic applications, particularly in diabetes treatment.
- Current methods for generating pancreatic beta cells from hPSCs require optimization for efficiency and scalability.
Purpose of the Study:
- To present a detailed video-based protocol for the optimal culture and passage of hPSCs.
- To outline a six-stage directed differentiation process for generating insulin-producing pancreatic beta cells from hPSCs.
- To evaluate the functional potential of the generated beta cells through insulin secretion assays.
Main Methods:
- Optimization of human pluripotent stem cell (hPSC) culture and passage conditions.
- A 27-day, six-stage directed differentiation protocol: definitive endoderm (DE), primitive gut tube, posterior foregut, pancreatic progenitors, pancreatic endocrine progenitors, and pancreatic beta cells.
- Assessment of beta cell function using immunostaining and glucose-stimulated insulin secretion (GSIS) assays.
Main Results:
- Successful differentiation of hPSCs into pancreatic beta cells following the described 27-day protocol.
- Demonstration of insulin production and secretion capabilities in the generated pancreatic beta cells.
- Establishment of optimal culture and passage conditions for hPSCs to support efficient differentiation.
Conclusions:
- The presented protocol provides an effective method for generating functional human pancreatic beta cells from hPSCs.
- This approach offers a scalable and reproducible source of beta cells for diabetes research and therapeutic development.
- Further optimization may enhance the efficiency and maturity of the differentiated beta cells.
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