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Related Concept Videos

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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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Endothelial Cell Co-culture Mediates Maturation of Human Embryonic Stem Cell to Pancreatic Insulin Producing Cells in a Directed Differentiation Approach
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Directed differentiation into insulin-producing cells using microRNA manipulation.

Michael D Williams1, Mugdha V Joglekar1, Anandwardhan A Hardikar1

  • 1Diabetes and Islet biology Group, NHMRC Clinical Trials Centre, Faculty of Medicine and Health, The University of Sydney, Level 6, Medical Foundation Building, 92-94 Parramatta Road, Camperdown, NSW 2050, Australia.

Open Medicine (Warsaw, Poland)
|December 18, 2020
PubMed
Summary
This summary is machine-generated.

Researchers are exploring microRNA overexpression to improve stem cell differentiation into insulin-producing cells. This approach aims to overcome limitations in islet transplantation for type 1 diabetes mellitus treatment.

Keywords:
beta-cellsdifferentiationisletsmicroRNAnon-coding RNAtype 1 diabetes

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Area of Science:

  • Endocrinology
  • Stem Cell Biology
  • Molecular Biology

Background:

  • Islet transplantation is the sole cell-based therapy for type 1 diabetes mellitus.
  • Limited donor availability and islet quality hinder transplantation efficacy.
  • Alternative sources of insulin-producing cells are crucial for diabetes treatment.

Purpose of the Study:

  • To review studies utilizing microRNA overexpression for directed stem cell differentiation.
  • To assess the potential of microRNA manipulation in generating insulin-producing cells.
  • To highlight strategies for optimizing beta (β)-cell differentiation from stem cells.

Main Methods:

  • Focus on three studies employing microRNA overexpression techniques.
  • Analysis of protocols for differentiating embryonic stem cells and induced pluripotent stem cells.
  • Investigation of specific microRNAs (e.g., miR-375, miR-7) abundant in human islets.

Main Results:

  • MicroRNA overexpression can enhance stem cell differentiation into insulin-producing cells.
  • Specific microRNAs show promise in directing cell fate towards functional beta (β)-cells.
  • Optimized differentiation protocols are key to generating transplantable cells.

Conclusions:

  • MicroRNA manipulation represents a promising strategy for generating insulin-producing cells.
  • This approach could address the scarcity of islets for transplantation.
  • Further research into microRNA-guided differentiation is warranted for type 1 diabetes therapy.