Cited by 317Hematopoietic Stem Cell TransplantationDevelopmental Biology and Gene RegulationMesenchymal stem cell research

Canonical Notch Signaling Is Dispensable for the Maintenance of Adult Hematopoietic Stem Cells

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Maillard, Ivan, Koch, Ute, Dumortier, Alexis, Shestova, Olga, Xu, Lanwei, Sai, Hong, Pross, Seth E., Aster, Jon C. +3 more·2008·Cell Stem Cell

Abstract

Gain-of-function experiments have demonstrated the potential of Notch signals to expand primitive hematopoietic progenitors, but whether Notch physiologically regulates hematopoietic stem cell (HSC) homeostasis in vivo is unclear. To answer this question, we evaluated the effect of global deficiencies of canonical Notch signaling in rigorous HSC assays. Hematopoietic progenitors expressing dominant-negative Mastermind-like1 (DNMAML), a potent inhibitor of Notch-mediated transcriptional activation, achieved stable long-term reconstitution of irradiated hosts and showed a normal frequency of progenitor fractions enriched for long-term HSCs. Similar results were observed with cells lacking CSL/RBPJ, a DNA-binding factor that is required for canonical Notch signaling. Notch-deprived progenitors provided normal long-term reconstitution after secondary competitive transplantation. Furthermore, Notch target genes were expressed at low levels in primitive hematopoietic progenitors. Taken together, these results rule out an essential physiological role for cell-autonomous canonical Notch signals in HSC maintenance.

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Crossref · 10.1016/j.stem.2008.02.011

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67 of 67 references verified0 citation errors · 0 not checkable

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  • Notch signalling is not required for quiescent HSC maintenance.

    “Notch signalling is not required for quiescent HSC maintenance81”

    From Molecular regulation of stem cell quiescence (2013) · cites this paper as [81]

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Authors
Maillard, I., Koch, U., Dumortier, A., Shestova, O., Xu, L., Sai, H., Pross, S. E., Aster, J. C., Bhandoola, A., Radtke, F., & Pear, W. S.
Affiliations
  • University of Michigan (US)
  • École Polytechnique Fédérale de Lausanne (CH)
  • University of Pennsylvania (US)
  • Brigham and Women's Hospital (US)
Corresponding author
Pear, Warren S.
Venue
Cell Stem Cell
Publisher
Elsevier BV
Published
2008-04
Volume
2
Issue
4
Pages
356-366
ISSN
  • 1875-9777 (ISSN-L)
  • 1934-5909
OpenAlex
W1998662278
Cited by
317
References
67
Citations by year
2026: 3 · 2025: 3 · 2024: 8 · 2023: 4 · 2022: 4 · 2021: 8 · 2020: 11 · 2019: 9 · 2018: 13 · 2017: 21 · 2016: 20 · 2015: 22 · 2014: 16 · 2013: 39 · 2012: 38
FWCI
20.99
Type
journal article
Language
en
Open access
Locations
  • Cell stem cell (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Infoscience (Ecole Polytechnique Fédérale de Lausanne) (submittedVersion)
  • Infoscience (Ecole Polytechnique Fédérale de Lausanne) (submittedVersion, cc-by-nc-nd)
Funders
  • Damon Runyon Cancer Research Foundation
  • National Institute of Allergy and Infectious Diseases (R01AI047833)
Topics
  • Health Sciences › Medicine › Hematology › Hematopoietic Stem Cell Transplantation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
  • Health Sciences › Medicine › Genetics › Mesenchymal stem cell research
Keywords
hematopoietic stem cells, HSC maintenance, HSC homeostasis, hematopoietic progenitor cells, long-term reconstitution, competitive transplantation, Notch target genes
MeSH terms
Animals, Antimetabolites, Antineoplastic, Bone Marrow Cells, Cells, Cultured, Female, Flow Cytometry, Fluorouracil, Genes, Dominant, Hematopoietic Stem Cells, Male, Mice, Inbred C57BL, Mice, Transgenic, Muscle Proteins, Nuclear Proteins, RNA, Messenger, Transcription Factors, Blotting, Southern, Signal Transduction, Hematopoietic Stem Cell Transplantation, Integrases, Reverse Transcriptase Polymerase Chain Reaction, Myeloid Cells, Green Fluorescent Proteins, Mice, Immunoglobulin J Recombination Signal Sequence-Binding Protein, Receptors, Notch, Adult Stem Cells

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