Cited by 314Mesenchymal stem cell researchHematopoietic Stem Cell TransplantationBone Tissue Engineering Materials

Low physiologic oxygen tensions reduce proliferation and differentiation of human multipotent mesenchymal stromal cells

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Holzwarth, Christina, Vaegler, Martin, Gieseke, Friederike, Pfister, Stefan M, Handgretinger, Rupert, Kerst, Gunter, Müller, Ingo·2010·BMC Cell Biology

Abstract

Background: Human multipotent mesenchymal stromal cells (MSC) can be isolated from various tissues including bone marrow. Here, MSC participate as bone lining cells in the formation of the hematopoietic stem cell niche. In this compartment, the oxygen tension is low and oxygen partial pressure is estimated to range from 1% to 7%. We analyzed the effect of low oxygen tensions on human MSC cultured with platelet-lysate supplemented media and assessed proliferation, morphology, chromosomal stability, immunophenotype and plasticity. Results: After transferring MSC from atmospheric oxygen levels of 21% to 1%, HIF-1α expression was induced, indicating efficient oxygen reduction. Simultaneously, MSC exhibited a significantly different morphology with shorter extensions and broader cell bodies. MSC did not proliferate as rapidly as under 21% oxygen and accumulated in G 1 phase. The immunophenotype, however, was unaffected. Hypoxic stress as well as free oxygen radicals may affect chromosomal stability. However, no chromosomal abnormalities in human MSC under either culture condition were detected using high-resolution matrix-based comparative genomic hybridization. Reduced oxygen tension severely impaired adipogenic and osteogenic differentiation of human MSC. Elevation of oxygen from 1% to 3% restored osteogenic differentiation. Conclusion: Physiologic oxygen tension during in vitro culture of human MSC slows down cell cycle progression and differentiation. Under physiological conditions this may keep a proportion of MSC in a resting state. Further studies are needed to analyze these aspects of MSC in tissue regeneration.

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Authors
Holzwarth, C., Vaegler, M., Gieseke, F., Pfister, S. M., Handgretinger, R., Kerst, G., & Müller, I.
Affiliations
  • University Children's Hospital Tübingen (DE)
  • German Cancer Research Center (DE)
Corresponding author
Müller, Ingo
Venue
BMC Cell Biology
Published
2010-01-28
Volume
11
Issue
1
Pages
11-11
ISSN
1471-2121 (ISSN-L)
OpenAlex
W2057597564
Cited by
314
References
45
Citations by year
2026: 9 · 2025: 6 · 2024: 11 · 2023: 11 · 2022: 16 · 2021: 19 · 2020: 21 · 2019: 21 · 2018: 19 · 2017: 22 · 2016: 33 · 2015: 28 · 2014: 26 · 2013: 26 · 2012: 20
FWCI
10.11
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • BMC Cell Biology (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Deutsche Forschungsgemeinschaft
  • José Carreras Leukämie-Stiftung
Topics
  • Health Sciences › Medicine › Genetics › Mesenchymal stem cell research
  • Health Sciences › Medicine › Hematology › Hematopoietic Stem Cell Transplantation
  • Physical Sciences › Engineering › Biomedical Engineering › Bone Tissue Engineering Materials
Keywords
mesenchymal stem cells, hypoxia, oxygen partial pressure, HIF-1α, cell proliferation, cell cycle, adipogenesis, osteogenic differentiation, chromosome stability, immunophenotype, hematopoietic niche, bone marrow, cellular plasticity, platelet lysate
MeSH terms
Adolescent, Bone Marrow Cells, Cell Differentiation, Child, Child, Preschool, Female, Humans, Infant, Male, Cell Hypoxia, Immunophenotyping, G1 Phase, Stromal Cells, Multipotent Stem Cells, Chromosomal Instability, Cell Proliferation, Hypoxia-Inducible Factor 1, alpha Subunit, Mesenchymal Stem Cells

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