Retinoic Acid Promotes the Generation of Pancreatic Endocrine Progenitor Cells and Their Further Differentiation into β-Cells
2008

Retinoic Acid Promotes the Generation of Pancreatic Endocrine Progenitor Cells and Their Further Differentiation into β-Cells

Sample size: 6 publication Evidence: high

Author Information

Author(s): Öström Maria, Loffler Kelly A., Edfalk Sara, Selander Lars, Dahl Ulf, Ricordi Camillo, Jeon Jongmin, Correa-Medina Mayrin, Diez Juan, Edlund Helena

Primary Institution: Umeå Centre for Molecular Medicine, Umeå University, Umeå, Sweden

Hypothesis

Does retinoic acid promote the generation of pancreatic endocrine progenitor cells and their differentiation into β-cells?

Conclusion

Retinoic acid promotes the generation of Ngn3+ endocrine progenitor cells and stimulates their differentiation into β-cells.

Supporting Evidence

  • Retinoic acid induces the expression of transcription factors that control endocrine cell differentiation.
  • RA promotes both the generation of Ngn3+ endocrine progenitor cells and their further differentiation into β-cells.
  • Explant assays showed a significant increase in insulin-positive cells when treated with retinoic acid.

Takeaway

Retinoic acid helps make special cells in the pancreas that can turn into insulin-producing cells, which is important for treating diabetes.

Methodology

The study used an ex vivo explant system to culture pancreatic buds and assess the effects of retinoic acid on cell differentiation.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0002841

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