Cited by 343Cancer-related Molecular PathwaysHematopoietic Stem Cell TransplantationTelomeres, Telomerase, and Senescence

The DOI matches its Crossref record; 83 of the 83 references it cites were found in a registry or an index.

p53-Mediated Hematopoietic Stem and Progenitor Cell Competition

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Bondar, Tanya, Medzhitov, Ruslan·2010·Cell Stem Cell

Abstract

Cell competition was originally described in Drosophila as a process for selection of the fittest cells. It is likely to play an important role in tissue homeostasis in all metazoans, but little is known about its role and regulation in mammals. By using genetic mosaic mouse models and bone marrow chimeras, we describe here a form of cell competition that selects for the least damaged cells. This competition is controlled by p53 but is distinct from the classical p53-mediated DNA damage response: it persists for months, is specific to the hematopoietic stem and progenitor cells, and depends on the relative rather than absolute level of p53 in competing cells. The competition appears to be mediated by a non-cell-autonomous induction of growth arrest and senescence-related gene expression in outcompeted cells with higher p53 activity. p53-mediated cell competition of this type could potentially contribute to the clonal expansion of incipient cancer cells.

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Crossref · 10.1016/j.stem.2010.03.002

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Metadata

Authors
Bondar, T., & Medzhitov, R.
Affiliations
Howard Hughes Medical Institute (US)
Corresponding author
Medzhitov, Ruslan
Venue
Cell Stem Cell
Publisher
Elsevier BV
Published
2010-04
Volume
6
Issue
4
Pages
309-322
ISSN
  • 1875-9777 (ISSN-L)
  • 1934-5909
OpenAlex
W2163067447
Cited by
342
References
83
Citations by year
2026: 15 · 2025: 17 · 2024: 14 · 2023: 23 · 2022: 22 · 2021: 25 · 2020: 29 · 2019: 22 · 2018: 18 · 2017: 21 · 2016: 24 · 2015: 25 · 2014: 23 · 2013: 20 · 2012: 12
FWCI
10.13
Type
journal article
Language
en
Open access
Locations
  • Cell stem cell (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Howard Hughes Medical Institute
  • National Institute of Allergy and Infectious Diseases (R01AI055502, R01AI046688)
  • National Institute of Diabetes and Digestive and Kidney Diseases (R01DK071754, P30DK072442)
Topics
  • Health Sciences › Medicine › Oncology › Cancer-related Molecular Pathways
  • Health Sciences › Medicine › Hematology › Hematopoietic Stem Cell Transplantation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Telomeres, Telomerase, and Senescence
Keywords
cell competition, p53, hematopoietic stem cells, hematopoietic progenitor cells, clonal selection, DNA damage response, cellular senescence, growth arrest, bone marrow chimeras, genetic mosaicism, tissue homeostasis
MeSH terms
Animals, Cell Communication, Clone Cells, DNA Damage, Genes, Dominant, Hematopoietic Stem Cells, Models, Biological, Mutation, Phenotype, Radiation, Ionizing, Stress, Physiological, Tumor Suppressor Protein p53, Cellular Senescence, Apoptosis, Gene Expression Regulation, Developmental, Gene Expression Profiling, Cell Proliferation, Mice

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