Notch signalling regulates stem cell numbers in vitro and in vivo

Andreas Androutsellis-Theotokis, Ronen R. Leker, Frank Soldner, Daniel J. Hoeppner, Rea Ravin, Steve W. Poser, Maria A. Rueger, Soo Kyung Bae, Raja Kittappa, Ronald D.G. McKay

Research output: Contribution to journalArticle

765 Citations (Scopus)

Abstract

The hope of developing new transplantation therapies for degenerative diseases is limited by inefficient stem cell growth and immunological incompatibility with the host. Here we show that Notch receptor activation induces the expression of the specific target genes hairy and enhancer of split 3 (Hes3) and Sonic hedgehog (Shh) through rapid activation of cytoplasmic signals, including the serine/threonine kinase Akt, the transcription factor STAT3 and mammalian target of rapamycin, and thereby promotes the survival of neural stem cells. In both murine somatic and human embryonic stem cells, these positive signals are opposed by a control mechanism that involves the p38 mitogen-activated protein kinase. Transient administration of Notch ligands to the brain of adult rats increases the numbers of newly generated precursor cells and improves motor skills after ischaemic injury. These data indicate that stem cell expansion in vitro and in vivo, two central goals of regenerative medicine, may be achieved by Notch ligands through a pathway that is fundamental to development and cancer.

Original languageEnglish (US)
Pages (from-to)823-826
Number of pages4
JournalNature
Volume442
Issue number7104
DOIs
StatePublished - Aug 17 2006
Externally publishedYes

Fingerprint

Hope
Stem Cells
Cell Count
Notch Receptors
Ligands
STAT3 Transcription Factor
Motor Skills
Regenerative Medicine
Hedgehogs
Neural Stem Cells
Protein-Serine-Threonine Kinases
p38 Mitogen-Activated Protein Kinases
Sirolimus
Transplantation
Wounds and Injuries
Brain
Growth
Genes
Neoplasms
In Vitro Techniques

ASJC Scopus subject areas

  • General

Cite this

Androutsellis-Theotokis, A., Leker, R. R., Soldner, F., Hoeppner, D. J., Ravin, R., Poser, S. W., ... McKay, R. D. G. (2006). Notch signalling regulates stem cell numbers in vitro and in vivo. Nature, 442(7104), 823-826. https://doi.org/10.1038/nature04940

Notch signalling regulates stem cell numbers in vitro and in vivo. / Androutsellis-Theotokis, Andreas; Leker, Ronen R.; Soldner, Frank; Hoeppner, Daniel J.; Ravin, Rea; Poser, Steve W.; Rueger, Maria A.; Bae, Soo Kyung; Kittappa, Raja; McKay, Ronald D.G.

In: Nature, Vol. 442, No. 7104, 17.08.2006, p. 823-826.

Research output: Contribution to journalArticle

Androutsellis-Theotokis, A, Leker, RR, Soldner, F, Hoeppner, DJ, Ravin, R, Poser, SW, Rueger, MA, Bae, SK, Kittappa, R & McKay, RDG 2006, 'Notch signalling regulates stem cell numbers in vitro and in vivo', Nature, vol. 442, no. 7104, pp. 823-826. https://doi.org/10.1038/nature04940
Androutsellis-Theotokis A, Leker RR, Soldner F, Hoeppner DJ, Ravin R, Poser SW et al. Notch signalling regulates stem cell numbers in vitro and in vivo. Nature. 2006 Aug 17;442(7104):823-826. https://doi.org/10.1038/nature04940
Androutsellis-Theotokis, Andreas ; Leker, Ronen R. ; Soldner, Frank ; Hoeppner, Daniel J. ; Ravin, Rea ; Poser, Steve W. ; Rueger, Maria A. ; Bae, Soo Kyung ; Kittappa, Raja ; McKay, Ronald D.G. / Notch signalling regulates stem cell numbers in vitro and in vivo. In: Nature. 2006 ; Vol. 442, No. 7104. pp. 823-826.
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