Involvement of GSK-3 in regulation of murine embryonic stem cell self-renewal revealed by a series of bisindolylmaleimides

Heather K Bone, T Damiano, S Bartlett, A Perry, Julie Letchford, Y S Ripoli, A S Nelson, Melanie J Welham

Research output: Contribution to journalArticle

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Abstract

The ability to propagate embryonic stem cells (ESCs) while maintaining their pluripotency is critical if their potential use in regenerative medicine is to be realized. The mechanisms controlling ESC self-renewal are under intense investigation, and glycogen synthase kinase 3 (GSK-3) has been implicated in regulating both self-renewal and differentiation. To clarify its role in ESCs we have used chemical genetics. We synthesized a series of bisindolylmalei-mides, a subset of which inhibit GSK-3 in murine ESCs and robustly enhance self-renewal in the presence of leukemia inhibitory factor (LIF) and serum, but not in the absence of LIF. Importantly, these molecules appear selective for GSK-3 and do not perturb other signaling pathways regulating self-renewal. Our study clarifies the functional importance of GSK-3 in regulation of ESC self-renewal and provides tools for investigating its role further.
Original languageEnglish
Pages (from-to)15-27
Number of pages13
JournalChemistry & Biology
Volume16
Issue number1
DOIs
Publication statusPublished - 30 Jan 2009

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Glycogen Synthase Kinase 3
Embryonic Stem Cells
Stem cells
Leukemia Inhibitory Factor
Regenerative Medicine
bisindolylmaleimide
Cell Self Renewal
Molecules
Serum

Cite this

Involvement of GSK-3 in regulation of murine embryonic stem cell self-renewal revealed by a series of bisindolylmaleimides. / Bone, Heather K; Damiano, T; Bartlett, S; Perry, A; Letchford, Julie; Ripoli, Y S; Nelson, A S; Welham, Melanie J.

In: Chemistry & Biology, Vol. 16, No. 1, 30.01.2009, p. 15-27.

Research output: Contribution to journalArticle

Bone, Heather K ; Damiano, T ; Bartlett, S ; Perry, A ; Letchford, Julie ; Ripoli, Y S ; Nelson, A S ; Welham, Melanie J. / Involvement of GSK-3 in regulation of murine embryonic stem cell self-renewal revealed by a series of bisindolylmaleimides. In: Chemistry & Biology. 2009 ; Vol. 16, No. 1. pp. 15-27.
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