Notch2 signaling regulates the proliferation of murine bone marrow-derived mesenchymal stem/stromal cells via c-Myc expression

Yukio Sato, Yo Mabuchi, Kenichi Miyamoto, Daisuke Araki, Kunimichi Niibe, Diarmaid D. Houlihan, Satoru Morikawa, Taneaki Nakagawa, Toshihiro Nakajima, Chihiro Akazawa, Shingo Hori, Hideyuki Okano, Yumi Matsuzaki

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Mesenchymal stem/stromal cells (MSCs) reside in the bone marrow and maintain their stemness under hypoxic conditions. However, the mechanism underlying the effects of hypoxia on MSCs remains to be elucidated. This study attempted to uncover the signaling pathway of MSC proliferation. Under low-oxygen culture conditions, MSCs maintained their proliferation and differentiation abilities for a long term. The Notch2 receptor was up-regulated in MSCs under hypoxic conditions. Notch2-knockdown (Notch2-KD) MSCs lost their cellular proliferation ability and showed reduced gene expression of hypoxia-inducible transcription factor (HIF)-1α, HIF-2α, and c-Myc. Overexpression of the c-Myc gene in Notch2-KD MSCs allowed the cells to regain their proliferation capacity. These results suggested that Notch2 signaling is linked to c-Myc expression and plays a key role in the regulation of MSC proliferation. Our findings provide important knowledge for elucidating the self-replication competence of MSCs in the bone marrow microenvironment.

Original languageEnglish
Article numbere0165946
JournalPLoS One
Volume11
Issue number11
DOIs
Publication statusPublished - Nov 1 2016
Externally publishedYes

Fingerprint

stromal cells
Stem cells
Mesenchymal Stromal Cells
bone marrow
stem cells
Bone
Bone Marrow
mice
hypoxia
cell proliferation
Cell proliferation
anaerobic conditions
Notch2 Receptor
Transcription Factors
transcription factors
Regain
Aptitude
Cell Proliferation
Cell culture
Gene expression

ASJC Scopus subject areas

  • Medicine(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

Cite this

Sato, Y., Mabuchi, Y., Miyamoto, K., Araki, D., Niibe, K., Houlihan, D. D., ... Matsuzaki, Y. (2016). Notch2 signaling regulates the proliferation of murine bone marrow-derived mesenchymal stem/stromal cells via c-Myc expression. PLoS One, 11(11), [e0165946]. https://doi.org/10.1371/journal.pone.0165946

Notch2 signaling regulates the proliferation of murine bone marrow-derived mesenchymal stem/stromal cells via c-Myc expression. / Sato, Yukio; Mabuchi, Yo; Miyamoto, Kenichi; Araki, Daisuke; Niibe, Kunimichi; Houlihan, Diarmaid D.; Morikawa, Satoru; Nakagawa, Taneaki; Nakajima, Toshihiro; Akazawa, Chihiro; Hori, Shingo; Okano, Hideyuki; Matsuzaki, Yumi.

In: PLoS One, Vol. 11, No. 11, e0165946, 01.11.2016.

Research output: Contribution to journalArticle

Sato, Y, Mabuchi, Y, Miyamoto, K, Araki, D, Niibe, K, Houlihan, DD, Morikawa, S, Nakagawa, T, Nakajima, T, Akazawa, C, Hori, S, Okano, H & Matsuzaki, Y 2016, 'Notch2 signaling regulates the proliferation of murine bone marrow-derived mesenchymal stem/stromal cells via c-Myc expression', PLoS One, vol. 11, no. 11, e0165946. https://doi.org/10.1371/journal.pone.0165946
Sato, Yukio ; Mabuchi, Yo ; Miyamoto, Kenichi ; Araki, Daisuke ; Niibe, Kunimichi ; Houlihan, Diarmaid D. ; Morikawa, Satoru ; Nakagawa, Taneaki ; Nakajima, Toshihiro ; Akazawa, Chihiro ; Hori, Shingo ; Okano, Hideyuki ; Matsuzaki, Yumi. / Notch2 signaling regulates the proliferation of murine bone marrow-derived mesenchymal stem/stromal cells via c-Myc expression. In: PLoS One. 2016 ; Vol. 11, No. 11.
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