Cited by 148Hematopoietic Stem Cell TransplantationAcute Myeloid Leukemia ResearchGenetics, Aging, and Longevity in Model Organisms

Aging-associated inflammation promotes selection for adaptive oncogenic events in B cell progenitors

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Henry, Curtis J., Casás-Selves, Matias, Kim, Jihye, Zaberezhnyy, Vadym, Aghili, Leila, Daniel, Ashley E., Jimenez, Linda, Azam, Tania +7 more·2015·Journal of Clinical Investigation

Abstract

The incidence of cancer is higher in the elderly; however, many of the underlying mechanisms for this association remain unexplored. Here, we have shown that B cell progenitors in old mice exhibit marked signaling, gene expression, and metabolic defects. Moreover, B cell progenitors that developed from hematopoietic stem cells (HSCs) transferred from young mice into aged animals exhibited similar fitness defects. We further demonstrated that ectopic expression of the oncogenes BCR-ABL, NRAS(V12), or Myc restored B cell progenitor fitness, leading to selection for oncogenically initiated cells and leukemogenesis specifically in the context of an aged hematopoietic system. Aging was associated with increased inflammation in the BM microenvironment, and induction of inflammation in young mice phenocopied aging-associated B lymphopoiesis. Conversely, a reduction of inflammation in aged mice via transgenic expression of α-1-antitrypsin or IL-37 preserved the function of B cell progenitors and prevented NRAS(V12)-mediated oncogenesis. We conclude that chronic inflammatory microenvironments in old age lead to reductions in the fitness of B cell progenitor populations. This reduced progenitor pool fitness engenders selection for cells harboring oncogenic mutations, in part due to their ability to correct aging-associated functional defects. Thus, modulation of inflammation--a common feature of aging--has the potential to limit aging-associated oncogenesis.

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  • The theory of adaptive oncogenesis stipulates that environmental factors associated with tissue decline, such as inflammation, are crucial drivers of oncogenesis by selecting for emergent phenotypes, such as increased proliferation, self-renewal, or survival, that are linked to cancer-associated mutations.

    “the theory of adaptive oncogenesis, which stipulates that environmental factors associated with tissue decline, such as inflammation, are crucial drivers of oncogenesis by selecting for emergent phenotypes, such as increased proliferation, self-renewal, or survival, that are linked cancer-associated mutations (Henry et al., 2015; Laconi et al., 2020).”

    From PU.1 enforces quiescence and limits hematopoietic stem cell expansion during inflammatory stress (2021) · cites this paper as Henry et al., 2015

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Research works printed but not linked: 12

  1. Snoeck HW. Aging of the hematopoietic system. Curr Opin Hematol. 2013;20(4):355-361.
  2. Riley RL. Impaired B lymphopoiesis in old age: a role for inflammatory B cells? Immunol Res. 2013;57(1-3):361-369.
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Authors
Henry, C. J., Casás-Selves, M., Kim, J., Zaberezhnyy, V., Aghili, L., Daniel, A. E., Jimenez, L., Azam, T., McNamee, E. N., Clambey, E. T., Klawitter, J., Serkova, N. J., Tan, A. C., Dinarello, C. A., & DeGregori, J.
Affiliations
  • National Jewish Health (US)
  • University of Colorado Anschutz (US)
  • Radboud University Medical Center (NL)
Corresponding author
  • Henry, Curtis J.
  • DeGregori, James
Venue
Journal of Clinical Investigation
Published
2015-11-09
Volume
125
Issue
12
Pages
4666-4680
ISSN
  • 0021-9738 (ISSN-L)
  • 1558-8238
OpenAlex
W2139864776
Cited by
148
References
72
Citations by year
2026: 4 · 2025: 8 · 2024: 16 · 2023: 10 · 2022: 16 · 2021: 14 · 2020: 12 · 2019: 25 · 2018: 10 · 2017: 18 · 2016: 13 · 2015: 2
FWCI
11.27
Type
journal article
Language
en
Open access
Locations
  • Journal of Clinical Investigation (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Maynooth University ePrints and eTheses Archive (Maynooth University) (acceptedVersion)
  • Radboud Repository (Radboud University) (submittedVersion, other-oa)
  • Radboud Repository (Radboud University) (submittedVersion)
Funders
  • Interleukin Foundation for Medical Research
  • National Institutes of Health (CA-04-6934, UL1TR001082, AI‐15614, RR025780, AG000279, R01 AI15614, P 30CA046934)
  • University of California, San Francisco
  • National Institute on Aging (T32AG000279)
  • National Cancer Institute (R01CA180175, K01CA160798, P30CA046934)
  • National Institute of Allergy and Infectious Diseases (R01 AI15614, R01AI015614)
  • National Center for Research Resources (RR-025780, UL1RR025780)
  • National Center for Advancing Translational Sciences
  • Colorado Clinical and Translational Sciences Institute
Topics
  • Health Sciences › Medicine › Hematology › Hematopoietic Stem Cell Transplantation
  • Health Sciences › Medicine › Hematology › Acute Myeloid Leukemia Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
Keywords
aging, inflammation, B cell progenitors, hematopoietic stem cells, leukemogenesis, BCR-ABL, c-Myc, bone marrow microenvironment, B cell development, alpha-1-antitrypsin, IL-37
MeSH terms
Aging, Animals, Bone Marrow, Cell Transformation, Neoplastic, Inflammation, Mice, Inbred BALB C, Mice, Transgenic, Fusion Proteins, bcr-abl, Proto-Oncogene Proteins c-myc, Mice, Precursor Cells, B-Lymphoid, Stem Cell Niche

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