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[Generating pancreatic islets organoids: Langerhanoids].

Anastasia Papoz1, Flora Clément1, Camille Laporte2

  • 1Univ. Grenoble Alpes, CEA, Inserm, IRIG, Biomics, F-38000, Grenoble, France.

Medecine Sciences : M/S
|January 21, 2022
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Summary

Researchers are developing Langerhanoids, 3D models mimicking pancreatic islets, to overcome donor scarcity for Type 1 diabetes treatment. These models improve insulin-producing cell availability for research and potential therapies.

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Area of Science:

  • * Regenerative Medicine
  • * Developmental Biology
  • * Endocrinology

Background:

  • * Islet transplantation for Type 1 diabetes faces challenges: donor scarcity, poor islet survival ex vivo, and immunosuppression.
  • * Current cell source for transplantation is limited to islets from brain-dead donors.
  • * Need for abundant, functional insulin-secreting cells for clinical use and research (drug screening, therapeutic targets).

Purpose of the Study:

  • * To review recent advances in creating 3D culture models (Langerhanoids) that mimic human pancreatic islet physiology.
  • * To explore strategies for improving Langerhanoid functionality by recreating the pancreatic niche.

Main Methods:

  • * Development of 3D culture models (Langerhanoids).
  • * Mimicking the pancreatic niche using extracellular matrix components.
  • * Incorporating vascularization strategies.
  • * Utilizing microfluidics for enhanced cell function.

Main Results:

  • * Langerhanoids show promise in mimicking pancreatic islet physiology.
  • * Advances in recreating the pancreatic niche improve Langerhanoid functionality.
  • * These models offer a potential alternative cell source.

Conclusions:

  • * 3D Langerhanoid models are a promising avenue to address the limitations of current islet transplantation.
  • * Mimicking the native pancreatic microenvironment is key to enhancing Langerhanoid function.
  • * Further research into Langerhanoids could expand therapeutic options for Type 1 diabetes.