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Related Concept Videos

iPS Cell Differentiation01:22

iPS Cell Differentiation

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The ability of induced pluripotent stem cells or iPSCs to differentiate into most body cell types has stimulated repair and regenerative medicine research over the past few decades. iPSC-derived blood cells, hepatocytes, beta islet cells, cardiomyocytes, neurons, and other cell types can repair injuries or regenerate damaged tissue in diseases such as diabetes and neurodegenerative disorders.
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Related Experiment Video

Updated: Jun 21, 2025

Generation of Scaffold-free, Three-dimensional Insulin Expressing Pancreatoids from Mouse Pancreatic Progenitors In Vitro
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PDX1+ cell budding morphogenesis in a stem cell-derived islet spheroid system.

Jia Zhao1, Shenghui Liang2, Haoning Howard Cen2

  • 1Life Sciences Institute, Departments of Cellular & Physiological Sciences and Surgery, University of British Columbia, Vancouver, BC, Canada. jia.zhao@ubc.ca.

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|July 13, 2024
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Summary
This summary is machine-generated.

Researchers developed a new method to create insulin-producing islet cells from human stem cells, mimicking natural development and aiding disease research.

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Differentiation of Human Pluripotent Stem Cells Into Pancreatic Beta-Cell Precursors in a 2D Culture System
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Area of Science:

  • Stem cell biology
  • Developmental biology
  • Endocrinology

Background:

  • Human pluripotent stem cells (hPSCs) offer a promising source for generating insulin-secreting islet cells.
  • Current differentiation protocols have limitations in replicating the complex architecture and cell composition of native islets.

Purpose of the Study:

  • To develop a tunable strategy for generating islet spheroids from hPSCs that mimic natural islet morphogenesis.
  • To investigate the roles of PDX1 and EphB3/4 signaling in islet cell budding and organization.
  • To model human pancreas development and diseases, such as Mitchell-Riley syndrome, using hPSC-derived islets.

Main Methods:

  • Incorporation of PDX1+ cell budding morphogenesis into staged differentiation of hPSCs.
  • In vitro modeling of human pancreas development.
  • Generation of RFX6 knockout hPSCs to model Mitchell-Riley syndrome.

Main Results:

  • A tunable differentiation system successfully generated islet spheroids enriched for major islet cell types.
  • The process mimicked natural islet morphogenesis, resulting in core-mantle or intermingled endocrine cell arrangements.
  • PDX1 and EphB3/4 signaling were identified as crucial for cell budding morphogenesis.
  • RFX6 knockout hPSCs exhibited significant morphogenesis defects during islet differentiation.

Conclusions:

  • The developed strategy provides a novel approach for producing functional islet spheroids from hPSCs.
  • This system advances the understanding of human islet development and the mechanisms underlying pancreas-related diseases.
  • The hPSC-derived islet models are valuable tools for fundamental islet biology research and disease modeling.