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Abstract

Biology

Optimized Protocol for Generating Functional Pancreatic Insulin-secreting Cells from Human Pluripotent Stem Cells

Published: February 2nd, 2024

DOI:

10.3791/65530

1Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Cell Biology and Functional Genomics, 2Departments of Pediatrics, Naomi Berrie Diabetes Center, Obstetrics and Gynecology, Columbia Stem Cell Initiative, Columbia University Irving Medical Center, Columbia University, 3Department of Diabetes, Imperial College Healthcare NHS Trust, 4Faculté de Médicine, Université de Montréal, 5Lee Kong Chian Imperial Medical School, Nanyang Technological University

Abstract

Human pluripotent stem cells (hPSCs) can differentiate into any kind of cell, making them an excellent alternative source of human pancreatic β-cells. hPSCs can either be embryonic stem cells (hESCs) derived from the blastocyst or induced pluripotent cells (hiPSCs) generated directly from somatic cells using a reprogramming process. Here a video-based protocol is presented to outline the optimal culture and passage conditions for hPSCs, prior to their differentiation and subsequent generation of insulin-producing pancreatic cells. This methodology follows the six-stage process for β-cell directed differentiation, wherein hPSCs differentiate into definitive endoderm (DE), primitive gut tube, posterior foregut fate, pancreatic progenitors, pancreatic endocrine progenitors, and ultimately pancreatic β-cells. It is noteworthy that this differentiation methodology takes a period of 27 days to generate human pancreatic β-cells. The potential of insulin secretion was evaluated through two experiments, which included immunostaining and glucose-stimulated insulin secretion.

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Keywords Human Pluripotent Stem Cells

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