Cited by 272Acute Myeloid Leukemia ResearchHematopoietic Stem Cell TransplantationAtherosclerosis and Cardiovascular Diseases

Increased stem cell proliferation in atherosclerosis accelerates clonal hematopoiesis

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Heyde, Alexander, Rohde, David, McAlpine, Cameron S., Zhang, Shuang, Hoyer, Friedrich F., Gerold, Jeffrey M., Cheek, David, Iwamoto, Yoshiko +11 more·2021·Cell

Abstract

Clonal hematopoiesis, a condition in which individual hematopoietic stem cell clones generate a disproportionate fraction of blood leukocytes, correlates with higher risk for cardiovascular disease. The mechanisms behind this association are incompletely understood. Here, we show that hematopoietic stem cell division rates are increased in mice and humans with atherosclerosis. Mathematical analysis demonstrates that increased stem cell proliferation expedites somatic evolution and expansion of clones with driver mutations. The experimentally determined division rate elevation in atherosclerosis patients is sufficient to produce a 3.5-fold increased risk of clonal hematopoiesis by age 70. We confirm the accuracy of our theoretical framework in mouse models of atherosclerosis and sleep fragmentation by showing that expansion of competitively transplanted Tet2-/- cells is accelerated under conditions of chronically elevated hematopoietic activity. Hence, increased hematopoietic stem cell proliferation is an important factor contributing to the association between cardiovascular disease and clonal hematopoiesis.

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Crossref · 10.1016/j.cell.2021.01.049

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  • These cytokines display overlapping features, such as inducing cell cycle entry of HSCs and their differentiation, frequently toward the granulo-monocytic lineage.

    “These cytokines display overlapping features, such as inducing cell cycle entry of HSCs and their differentiation, frequently toward the granulo-monocytic lineage 1,4-6,12-15 .”

    From Type 1 interferon perturbates clonal competition by reshaping human blood development (2026) · cites this paper as [5]

    The Introduction (page unavailable) says increased cytokine levels may drive hematopoietic activity, and the Results section on sleep fragmentation describes CSF1-dependent proliferation with increased HSC cycling. The paper also reports increased granulocyte/monocyte progenitor activity in atherosclerosis, but it does not establish that the cytokines induce HSC differentiation frequently toward that lineage. (LLM, conf=0.81)

    Experimental — accuracy not yet measured
  • The disease process itself has been suggested to reciprocally accelerate CH.

    “The disease process itself has been suggested to reciprocally accelerate CH [41] (Figure 1).”
  • Isolated effects of individual inflammatory cytokines, including type 1 interferons (IFNa/b), type 2 IFN (IFNg), TNFa, and IL-1, have been well-documented in mouse hematopoietic development.

    “The isolated effects of individual inflammatory cytokines, including type 1 interferons (IFNa/b) 1-3 , type 2 IFN (IFNg) 4-6 , TNFa 7,8 , and IL-1 9-11 , have been well-documented in mouse hematopoietic development.”

    From Type 1 interferon perturbates clonal competition by reshaping human blood development (2026) · cites this paper as [5]

    The Introduction says that increased cytokine levels may drive hematopoietic activity, but it does not identify TNFα or document its isolated effects in mouse hematopoiesis. Searches for TNF and tumor necrosis factor found no passage addressing the TNFα-specific claim. (LLM, conf=0.72)

    Experimental — accuracy not yet measured
  • While clonal expansion during normal ageing has not yet been observed in mice, it has been reported in mouse models for disease and in physiologically aged macaques.

    “While clonal expansion during normal ageing has not yet been observed in mice, it has been reported in mouse models for disease61 and in physiologically aged macaques62.”

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Research works printed but not linked: 1

  1. Nowak MA (2006). Evolutionary Dynamics (Harvard University Press).

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Authors
Heyde, A., Rohde, D., McAlpine, C. S., Zhang, S., Hoyer, F. F., Gerold, J. M., Cheek, D., Iwamoto, Y., Schloss, M. J., Vandoorne, K., Iborra-Egea, O., Muñoz-Guijosa, C., Bayes-Genis, A., Reiter, J. G., Craig, M., Swirski, F. K., Nahrendorf, M., Nowak, M. A., & Naxerova, K.
Affiliations
  • Harvard University (US)
  • Hospital Universitari Germans Trias i Pujol (ES)
  • Stanford University (US)
  • Centre Hospitalier Universitaire Sainte-Justine (CA)
Corresponding author
Naxerova, Kamila
Venue
Cell
Publisher
Elsevier BV
Published
2021-03
Volume
184
Issue
5
Pages
1348-1361.e22
ISSN
0092-8674 (ISSN-L)
OpenAlex
W3130296909
Cited by
267
References
64
Citations by year
2026: 33 · 2025: 48 · 2024: 45 · 2023: 47 · 2022: 61 · 2021: 33
FWCI
31.37
Type
journal article
Language
en
Open access
Locations
  • Cell (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health
  • National Science Foundation
  • National Heart, Lung, and Blood Institute
Topics
  • Health Sciences › Medicine › Hematology › Acute Myeloid Leukemia Research
  • Health Sciences › Medicine › Hematology › Hematopoietic Stem Cell Transplantation
  • Life Sciences › Immunology and Microbiology › Immunology › Atherosclerosis and Cardiovascular Diseases
Keywords
clonal hematopoiesis, atherosclerosis, hematopoietic stem cell proliferation, somatic evolution, driver mutations, cardiovascular risk, TET2, sleep fragmentation, hematopoietic stem cell transplantation
MeSH terms
Clonal Hematopoiesis, Aging, Animals, Apolipoproteins E, Bone Marrow, Disease Models, Animal, Female, Hematopoietic Stem Cells, Humans, Mice, Inbred C57BL, Models, Biological, Sleep Deprivation, Cell Proliferation, Atherosclerosis, Mice, Clonal Evolution

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