Two distinct stem cell lineages in murine bone marrow

Yoko Koide, Satoru Morikawa, Yo Mabuchi, Yukari Muguruma, Emi Hiratsu, Kohji Hasegawa, Makoto Kobayashi, Kiyoshi Ando, Kentaro Kinjo, Hideyuki Okano, Yumi Matsuzaki

Research output: Contribution to journalArticle

48 Citations (Scopus)

Abstract

Mesenchymal stem cells (MSC), a distinct type of adult stem cell, are easy to isolate, culture, and manipulate in ex vivo culture. These cells have great plasticity and potential for therapeutic application, but their properties are poorly understood because of their low frequency and the lack of knowledge on cell surface markers and their location of origin. The present study was designed to address the undefined lineage relationship of hematopoietic and mesenchymal stem cells. Genetically marked, highly purified hematopoietic stem cells (HSCs) were transplanted into wild-type animals and, after bone marrow repopulation, the progeny were rigorously investigated for differentiation potential into mesenchymal tissues by analyzing in vitro differentiation into mesenchymal tissues. None/very little of the hematopoietic cells contributed to colony-forming units fibroblast activity and mesenchymal cell differentiation; however, unfractionated bone marrow cells resulted in extensive replacement of not only hematopoietic cells but also mesenchymal cells, including MSCs. As a result, we concluded that purified HSCs have no significant potency to differentiate into mesenchymal lineage. The data strongly suggest that hematopoietic cells and mesenchymal lineage cells are derived from individual lineage-specific stem cells. In addition, we succeeded in visualizing mesenchymal lineage cells using in vivo microimaging and immunohistochemistry. Flow cytometric analysis revealed CD140b (PDGFRβ) could be a specific marker for mesenchymal lineage cells. The results may reinforce the urgent need for a more comprehensive view of the mesenchymal stem cell identity and characteristics.

Original languageEnglish
Pages (from-to)1213-1221
Number of pages9
JournalStem Cells
Volume25
Issue number5
DOIs
Publication statusPublished - 2007 May 1

Keywords

  • Hematopoietic stem cell
  • Lineage relation
  • Mesenchymal stem cell
  • Plasticity
  • Transplantation

ASJC Scopus subject areas

  • Molecular Medicine
  • Developmental Biology
  • Cell Biology

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  • Cite this

    Koide, Y., Morikawa, S., Mabuchi, Y., Muguruma, Y., Hiratsu, E., Hasegawa, K., Kobayashi, M., Ando, K., Kinjo, K., Okano, H., & Matsuzaki, Y. (2007). Two distinct stem cell lineages in murine bone marrow. Stem Cells, 25(5), 1213-1221. https://doi.org/10.1634/stemcells.2006-0325