Cited by 133Hematopoietic Stem Cell TransplantationMesenchymal stem cell researchCancer, Hypoxia, and Metabolism

Very Low O2 Concentration (0.1%) Favors G0 Return of Dividing CD34+ Cells

Hermitte, Francis, Brunet de la Grange, Philippe, Belloc, Francis, Praloran, Vincent, Ivanovic, Zoran·2006·Stem Cells

Abstract

Physiological bone marrow oxygen concentrations are everywhere lower than 4% and almost null in some areas. We compared the effects of 20%, 3%, and 0.1% O2 concentrations on cord blood CD34+ cell survival, cycle, and functionality in serum-free cultures for 72 hours with or without interleukin-3 (IL-3). As from 24 hours, IL-3 improved cell survival and proliferation in all conditions. After 72 hours, cells were 1.5 and 2.5 times more in quiescence (G0) at 3% and 0.1% O2, respectively, than at 20%; transforming growth factor-β signaling seemed not to be involved. To explore cell cycle further, fresh CD34+ cells were stained with PKH26 and cultured for 72 hours, and then undivided and divided cells were sorted. At 0.1% O2, 46.5% ± 19.1% of divided cells returned to G0 compared with 7.9% ± 0.3% at 20%. Colony formation and nonobese diabetic/severe combined immunodeficient mice engraftment efficiency were similar after 3 days at 20% and 0.1% O2 concentrations but lower than at T0. In conclusion, a low O2 concentration, close to those found in bone marrow stem cell niches, induces the G0 return of CD34+ cells without impairing their functional capacity.

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Registry

Crossref · 10.1634/stemcells.2004-0351

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48 of 48 references verified0 citation errors · 0 not checkable

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  • Quiescence is induced when cultured haematopoietic cells are grown under hypoxic conditions.

    “quiescence is induced when cultured haematopoietic cells are grown under hypoxic conditions113,114.”

    From Molecular regulation of stem cell quiescence (2013) · cites this paper as [114]

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Authors
Hermitte, F., Brunet de la Grange, P., Belloc, F., Praloran, V., & Ivanovic, Z.
Affiliations
  • Centre National de la Recherche Scientifique (FR)
  • CNRS UMR 5164: University of Bordeaux 2, Bordeaux, France
  • University Hospital, Hematology Laboratory, Bordeaux, France
  • French Blood Transfusion Organisation in Aquitaine-Limousin, Bordeaux, France
Corresponding author
Praloran, Vincent
Venue
Stem Cells
Published
2006-01-01
Volume
24
Issue
1
Pages
65-73
ISSN
  • 1066-5099 (ISSN-L)
  • 1549-4918
OpenAlex
W1968276167
Cited by
133
References
48
Citations by year
2026: 1 · 2025: 2 · 2024: 3 · 2023: 3 · 2022: 3 · 2021: 5 · 2020: 4 · 2019: 7 · 2018: 9 · 2017: 5 · 2016: 3 · 2015: 8 · 2014: 9 · 2013: 19 · 2012: 14
FWCI
0.98
Type
journal article
Language
en
Open access
closed
Locations
  • Stem Cells (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
Topics
  • Health Sciences › Medicine › Hematology › Hematopoietic Stem Cell Transplantation
  • Health Sciences › Medicine › Genetics › Mesenchymal stem cell research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer, Hypoxia, and Metabolism
Keywords
hypoxia, CD34+ cells, hematopoietic stem cells, G0 quiescence, cell cycle, interleukin-3, umbilical cord blood, stem cell niche, colony formation, engraftment
MeSH terms
Animals, Cell Cycle, Cell Survival, Hematopoietic Stem Cells, Humans, Interleukin-3, Oxygen, Resting Phase, Cell Cycle, Mice, SCID, Mice, Inbred NOD, Hematopoietic Stem Cell Transplantation, Antigens, CD34, Stem Cell Factor, Mice

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