Distinct mobilization of circulating CD271+ mesenchymal progenitors from hematopoietic progenitors during aging and after myocardial infarction

Yoshitaka Iso, Sayaka Yamaya, Takatoshi Sato, Charla N. Poole, Keiichi Isoyama, Masaru Mimura, Shinji Koba, Youichi Kobayashi, Youichi Takeyama, Jeffrey L. Spees, Hiroshi Suzuki

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

The specific cell surface markers on mesenchymal stem/progenitor cells (MSCs) have been poorly defined in vivo, but in one recent study, an MSC subpopulation was directly isolated from a CD271- positive fraction of human bone marrow cells. The aim of this study was to identify circulating CD271+ MSCs in human peripheral blood and investigate whether the cells are mobilized after acute myocardial infarction (MI). A flow cytometric analysis identified CD45low/-CD34+ CD271+ cells in adult human peripheral blood. The numbers of circulating CD45low/-CD34+ CD133+ cells (hematopoietic linage progenitors) were significantly lower in elderly subjects without coronary artery disease than in healthy young subjects, whereas the numbers of CD45low/-CD34+ CD271+ cells were comparable between elderly subjects and younger subjects. The CD45low/-CD34+ and CD271+ cell counts were both higher in patients with acute MI than in patients with stable coronary artery disease. In our investigation of the time course changes after acute MI, the CD45low/-CD34+ CD133+ cell counts gradually increased up to day 7. Over the same period, the CD45low/- CD34+ CD271+ cell counts peaked at day 3 and then declined up to day 7. Importantly, the CD271+ cell counts at day 3 were positively correlated with the peak concentrations of creatine kinase after acute MI. Results of the present study suggest that the CD271+ MSCs are mobilized differently from the CD133+ hematopoietic progenitors and may play a specific role in the tissue repair process during age-related changes and after acute myocardial infarction.

Original languageEnglish
Pages (from-to)462-468
Number of pages7
JournalStem cells translational medicine
Volume1
Issue number6
DOIs
Publication statusPublished - 2012
Externally publishedYes

Fingerprint

Mesenchymal Stromal Cells
Myocardial Infarction
Cell Count
Coronary Artery Disease
Adapalene
Creatine Kinase
Hematopoietic Stem Cells
Bone Marrow Cells
Healthy Volunteers

Keywords

  • Aging
  • Cardiac
  • Cell surface markers
  • Mesenchymal stem cells
  • Mobilization

ASJC Scopus subject areas

  • Cell Biology
  • Developmental Biology

Cite this

Distinct mobilization of circulating CD271+ mesenchymal progenitors from hematopoietic progenitors during aging and after myocardial infarction. / Iso, Yoshitaka; Yamaya, Sayaka; Sato, Takatoshi; Poole, Charla N.; Isoyama, Keiichi; Mimura, Masaru; Koba, Shinji; Kobayashi, Youichi; Takeyama, Youichi; Spees, Jeffrey L.; Suzuki, Hiroshi.

In: Stem cells translational medicine, Vol. 1, No. 6, 2012, p. 462-468.

Research output: Contribution to journalArticle

Iso, Yoshitaka ; Yamaya, Sayaka ; Sato, Takatoshi ; Poole, Charla N. ; Isoyama, Keiichi ; Mimura, Masaru ; Koba, Shinji ; Kobayashi, Youichi ; Takeyama, Youichi ; Spees, Jeffrey L. ; Suzuki, Hiroshi. / Distinct mobilization of circulating CD271+ mesenchymal progenitors from hematopoietic progenitors during aging and after myocardial infarction. In: Stem cells translational medicine. 2012 ; Vol. 1, No. 6. pp. 462-468.
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