Cited by 1,175Hematopoietic Stem Cell TransplantationDNA Repair MechanismsRedox biology and oxidative stress

Regulation of oxidative stress by ATM is required for self-renewal of haematopoietic stem cells

Ito, Keisuke, Hirao, Atsushi, Arai, Fumio, Matsuoka, Sahoko, Takubo, Keiyo, Hamaguchi, Isao, Nomiyama, Kana, Hosokawa, Kentaro +5 more·2004·Nature

Abstract

The 'ataxia telangiectasia mutated' (Atm) gene maintains genomic stability by activating a key cell-cycle checkpoint in response to DNA damage, telomeric instability or oxidative stress. Mutational inactivation of the gene causes an autosomal recessive disorder, ataxia-telangiectasia, characterized by immunodeficiency, progressive cerebellar ataxia, oculocutaneous telangiectasia, defective spermatogenesis, premature ageing and a high incidence of lymphoma. Here we show that ATM has an essential function in the reconstitutive capacity of haematopoietic stem cells (HSCs) but is not as important for the proliferation or differentiation of progenitors, in a telomere-independent manner. Atm-/- mice older than 24 weeks showed progressive bone marrow failure resulting from a defect in HSC function that was associated with elevated reactive oxygen species. Treatment with anti-oxidative agents restored the reconstitutive capacity of Atm-/- HSCs, resulting in the prevention of bone marrow failure. Activation of the p16(INK4a)-retinoblastoma (Rb) gene product pathway in response to elevated reactive oxygen species led to the failure of Atm-/- HSCs. These results show that the self-renewal capacity of HSCs depends on ATM-mediated inhibition of oxidative stress.

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Crossref · 10.1038/nature02989

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  • Antioxidants have potential to improve the function of old hematopoietic stem cells.

    “other studies have shown the potential of antioxidants to improve the function of old HSCs (76,96).”

    From Causes, consequences, and reversal of immune system aging (2013) · cites this paper as [96]

  • In mouse HSCs and neural stem cells, excessive cellular ROS concentrations cause abnormal proliferation, malignancy, and compromised self-renewal.

    “in HSCs and neural stem cells (NSCs) of mice, excessive cellular ROS concentrations lead to abnormal proliferation, malignancy and compromised stem cell self-renewal11–14”
  • Experimentally induced genetic disruption of DDR pathways in mice produces cell-autonomous defects in HSC function.

    “experimentally induced genetic disruption of DDR pathways in mice also produces cell-autonomous defects in HSC function, as assayed by in vivo hematopoietic reconstitution and in vitro colony forming assays11,36,52,53.”
  • Age-dependent alterations in SOD2 regulation by FoxO3 and ATM contribute to loss of HSC function with aging.

    “age-dependent alterations in regulation of SOD2 by FoxO3 and the DNA damage sensing serine/threonine protein kinase ATM (ataxia-telangiectasia mutated) have been shown to contribute to loss of HSC function with aging11,16, 24.”
  • ATM functions in regulating intracellular ROS levels and sensitivity to these molecules.

    “Another potential function for ATM in suppressing progeroid phenotypes may be related to reported ATM functions in regulating intracellular ROS levels and sensitivity to these molecules (Barzilai et al., 2002; Ito et al., 2004”

    From DNA Repair, Genome Stability, and Aging (2005) · cites this paper as Ito et al., 2004

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Authors
Ito, K., Hirao, A., Arai, F., Matsuoka, S., Takubo, K., Hamaguchi, I., Nomiyama, K., Hosokawa, K., Sakurada, K., Nakagata, N., Ikeda, Y., Mak, T. W., & Suda, T.
Affiliations
  • Keio University (JP)
  • Kumamoto University (JP)
  • University of Toronto (CA)
Corresponding author
  • Hirao, Atsushi
  • Suda, Toshio
Venue
Nature
Published
2004-10
Volume
431
Issue
7011
Pages
997-1002
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2041897873
Cited by
1,175
References
30
Citations by year
2026: 15 · 2025: 29 · 2024: 38 · 2023: 31 · 2022: 37 · 2021: 51 · 2020: 44 · 2019: 58 · 2018: 47 · 2017: 59 · 2016: 73 · 2015: 71 · 2014: 75 · 2013: 88 · 2012: 77
FWCI
25.91
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Topics
  • Health Sciences › Medicine › Hematology › Hematopoietic Stem Cell Transplantation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Redox biology and oxidative stress
Keywords
ATM, oxidative stress, hematopoietic stem cells, self-renewal, reactive oxygen species, ataxia telangiectasia, bone marrow failure, p16INK4a, retinoblastoma protein, DNA damage response, antioxidant therapy
MeSH terms
Acetylcysteine, Animals, Antioxidants, Cell Division, DNA-Binding Proteins, Hematopoiesis, Hematopoietic Stem Cells, Mice, Inbred C57BL, RNA, Messenger, Signal Transduction, Retinoblastoma Protein, Protein Serine-Threonine Kinases, Gene Deletion, Reactive Oxygen Species, Mice, Knockout, Oxidative Stress, Cell Cycle Proteins, Cell Lineage, Cyclin-Dependent Kinase Inhibitor p16, Tumor Suppressor Proteins, Mice, Ataxia Telangiectasia Mutated Proteins

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