Low-dose total body irradiation causes clonal fluctuation of primate hematopoietic stem and progenitor cells

Mikko O. Laukkanen, Ken Kuramoto, Boris Calmels, Masaaki Takatoku, Christof Von Kalle, Robert E. Donahue, Cynthia E. Dunbar

Research output: Contribution to journalArticle

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Abstract

Due to high frequency of side effects caused by high-dose total body irradiation (TBI) the nonmyeloablative regimen together with cytotoxic agents is currently used especially for elderly patients. However, immediate and long-term effects of low-dose irradiation used in allogeneic transplantation on stem cells is less well known. We have studied the effect of low-dose 3 Gy TBI on the number of hematopoietic stem cell (HSC) clones contributing simultaneously to granulocyte production in rhesus macaque. The number of clones after 3 Gy TBI decreased markedly by 2 to 3 weeks after 3 Gy TBI, followed by a period of clonal instability, and recovery to almost pre-3 Gy TBI clonal diversity. The clones accounting for this recovery contributed before 3 Gy TBI, suggesting the profound initial impact of TBI was on a pool of progenitor cells, whereas most of the more primitive HSCs remained unaffected and were able to again contribute to hematopoiesis after recovery. Clonal fluctuation may indirectly suggest the presence of short-term/long-term HSC populations in rhesus macaque bone marrow as reported in a mouse model. The results indicate that even low-dose irradiation affects hematopoietic clonal dynamics and have implications for design of conditioning regimens for transplantation purposes.

Original languageEnglish
Pages (from-to)1010-1015
Number of pages6
JournalBlood
Volume105
Issue number3
DOIs
Publication statusPublished - Feb 1 2005

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Whole-Body Irradiation
Hematopoietic Stem Cells
Primates
Dosimetry
Irradiation
Stem cells
Clone Cells
Macaca mulatta
Transplantation Conditioning
Stem Cells
Recovery
Homologous Transplantation
Cytotoxins
Hematopoiesis
Granulocytes
Bone Marrow
Bone
Population

ASJC Scopus subject areas

  • Hematology

Cite this

Laukkanen, M. O., Kuramoto, K., Calmels, B., Takatoku, M., Von Kalle, C., Donahue, R. E., & Dunbar, C. E. (2005). Low-dose total body irradiation causes clonal fluctuation of primate hematopoietic stem and progenitor cells. Blood, 105(3), 1010-1015. https://doi.org/10.1182/blood-2004-04-1498

Low-dose total body irradiation causes clonal fluctuation of primate hematopoietic stem and progenitor cells. / Laukkanen, Mikko O.; Kuramoto, Ken; Calmels, Boris; Takatoku, Masaaki; Von Kalle, Christof; Donahue, Robert E.; Dunbar, Cynthia E.

In: Blood, Vol. 105, No. 3, 01.02.2005, p. 1010-1015.

Research output: Contribution to journalArticle

Laukkanen, MO, Kuramoto, K, Calmels, B, Takatoku, M, Von Kalle, C, Donahue, RE & Dunbar, CE 2005, 'Low-dose total body irradiation causes clonal fluctuation of primate hematopoietic stem and progenitor cells', Blood, vol. 105, no. 3, pp. 1010-1015. https://doi.org/10.1182/blood-2004-04-1498
Laukkanen, Mikko O. ; Kuramoto, Ken ; Calmels, Boris ; Takatoku, Masaaki ; Von Kalle, Christof ; Donahue, Robert E. ; Dunbar, Cynthia E. / Low-dose total body irradiation causes clonal fluctuation of primate hematopoietic stem and progenitor cells. In: Blood. 2005 ; Vol. 105, No. 3. pp. 1010-1015.
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