Biphasic induction of Pdx1 in mouse and human embryonic stem cells can mimic development of pancreatic β-cells

Andreia S Bernardo, Candy H H Cho, Sharon Mason, Hilary M Docherty, Roger A Pedersen, Ludovic Vallier, Kevin Docherty

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

Embryonic stem (ES) cells represent a possible source of islet tissue for the treatment of diabetes. Achieving this goal will require a detailed understanding of how the transcription factor cascade initiated by the homeodomain transcription factor Pdx1 culminates in pancreatic beta-cell development. Here we describe a genetic approach that enables fine control of Pdx1 transcriptional activity during endoderm differentiation of mouse and human ES cell. By activating an exogenous Pdx1VP16 protein in populations of cells enriched in definitive endoderm we show a distinct lineage-dependent requirement for this transcription factor's activity. Mimicking the natural biphasic pattern of Pdx1 expression was necessary to induce an endocrine pancreas-like cell phenotype, in which 30% of the cells were beta-cell-like. Cell markers consistent with the different beta-cell differentiation stages appeared in a sequential order following the natural pattern of pancreatic development. Furthermore, in mouse ES-derived cultures the differentiated beta-like cells secreted C-peptide (insulin) in response to KCl and 3-isobutyl-1-methylxanthine, suggesting that following a natural path of development in vitro represents the best approach to generate functional pancreatic cells. Together these results reveal for the first time a significant effect of the timed expression of Pdx1 on the non-beta-cells in the developing endocrine pancreas. Collectively, we show that this method of in vitro differentiation provides a template for inducing and studying ES cell differentiation into insulin-secreting cells.
Original languageEnglish
Pages (from-to)341-351
Number of pages11
JournalStem Cells
Volume27
Issue number2
Early online date4 Dec 2008
DOIs
Publication statusPublished - Feb 2009

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Endoderm
Transcription Factors
Insulin-Secreting Cells
Embryonic Stem Cells
Islets of Langerhans
Cell Differentiation
1-Methyl-3-isobutylxanthine
Mouse Embryonic Stem Cells
Human Embryonic Stem Cells
C-Peptide
Insulin
Phenotype
Population
Proteins
In Vitro Techniques

Keywords

  • activins
  • amyloid
  • animals
  • blotting, western
  • bone morphogenetic protein 4
  • C-peptide
  • cell differentiation
  • cell line
  • embryonic stem cells
  • flow cytometry
  • gene expression
  • hela cells
  • homeodomain proteins
  • humans
  • immunohistochemistry
  • insulin
  • insulin-secreting cells
  • mice
  • polymerase chain reaction
  • tamoxifen
  • trans-activators
  • diabetes mellitus
  • stem cells
  • pancreatic differentiation
  • insulin gene

Cite this

Bernardo, A. S., Cho, C. H. H., Mason, S., Docherty, H. M., Pedersen, R. A., Vallier, L., & Docherty, K. (2009). Biphasic induction of Pdx1 in mouse and human embryonic stem cells can mimic development of pancreatic β-cells. Stem Cells, 27(2), 341-351. https://doi.org/10.1634/stemcells.2008-0310

Biphasic induction of Pdx1 in mouse and human embryonic stem cells can mimic development of pancreatic β-cells. / Bernardo, Andreia S; Cho, Candy H H; Mason, Sharon; Docherty, Hilary M; Pedersen, Roger A; Vallier, Ludovic; Docherty, Kevin.

In: Stem Cells, Vol. 27, No. 2, 02.2009, p. 341-351.

Research output: Contribution to journalArticle

Bernardo, AS, Cho, CHH, Mason, S, Docherty, HM, Pedersen, RA, Vallier, L & Docherty, K 2009, 'Biphasic induction of Pdx1 in mouse and human embryonic stem cells can mimic development of pancreatic β-cells' Stem Cells, vol. 27, no. 2, pp. 341-351. https://doi.org/10.1634/stemcells.2008-0310
Bernardo, Andreia S ; Cho, Candy H H ; Mason, Sharon ; Docherty, Hilary M ; Pedersen, Roger A ; Vallier, Ludovic ; Docherty, Kevin. / Biphasic induction of Pdx1 in mouse and human embryonic stem cells can mimic development of pancreatic β-cells. In: Stem Cells. 2009 ; Vol. 27, No. 2. pp. 341-351.
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