Cited by 1,152Hematopoietic Stem Cell TransplantationAcute Myeloid Leukemia ResearchMesenchymal stem cell research

Cell intrinsic alterations underlie hematopoietic stem cell aging

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Rossi, Derrick J., Bryder, David, Zahn, Jacob M., Ahlenius, Henrik, Sonu, Rebecca, Wagers, Amy J., Weissman, Irving L.·2005·Proceedings of the National Academy of Sciences

Abstract

Loss of immune function and an increased incidence of myeloid leukemia are two of the most clinically significant consequences of aging of the hematopoietic system. To better understand the mechanisms underlying hematopoietic aging, we evaluated the cell intrinsic functional and molecular properties of highly purified long-term hematopoietic stem cells (LT-HSCs) from young and old mice. We found that LT-HSC aging was accompanied by cell autonomous changes, including increased stem cell self-renewal, differential capacity to generate committed myeloid and lymphoid progenitors, and diminished lymphoid potential. Expression profiling revealed that LT-HSC aging was accompanied by the systemic down-regulation of genes mediating lymphoid specification and function and up-regulation of genes involved in specifying myeloid fate and function. Moreover, LT-HSCs from old mice expressed elevated levels of many genes involved in leukemic transformation. These data support a model in which age-dependent alterations in gene expression at the stem cell level presage downstream developmental potential and thereby contribute to age-dependent immune decline, and perhaps also to the increased incidence of leukemia in the elderly.

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Crossref · 10.1073/pnas.0503280102

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  • The age-related rise in myeloid lineage gene expression likely comes from accumulation of myeloid-biased hematopoietic stem cells.

    “The age-related increase in expression of myeloid lineage genes in the studies noted above (11,17) likely resulted from the accumulation of myeloid-biased HSCs, as these analyses were performed on unseparated pools of HSCs.”

    From Causes, consequences, and reversal of immune system aging (2013) · cites this paper as [11]

  • The shift toward myeloid potential in aged hematopoietic stem cells correlates with higher expression of myeloid lineage genes and lower expression of lymphoid lineage genes.

    “This shift has been correlated with increased expression of myeloid lineage genes and downregulation of those specifying a lymphoid lineage fate (11,17).”

    From Causes, consequences, and reversal of immune system aging (2013) · cites this paper as [11]

  • The causes of age-related decline in lymphocyte development are multifactorial, involving changes in hematopoietic stem cells and progenitors as well as local tissue and systemic environments.

    “The causes of this age-related reduction in lymphocyte development are multifactorial and include changes in HSCs and progenitor cells (11,12) as well as the local tissue and systemic environments (13,14).”

    From Causes, consequences, and reversal of immune system aging (2013) · cites this paper as [11]

  • The most profound immunologic effect of stem cell aging in mice and humans is a reduced ability to generate lymphocytes and an increased myeloid potential.

    “From an immunologic perspective, the most profound effect of stem cell aging in both mice (11,18) and humans (17) is a decreased capacity to produce lymphocytes and an increase in myeloid potential.”

    From Causes, consequences, and reversal of immune system aging (2013) · cites this paper as [11]

  • Young bone marrow cells engraft less well in aged recipients than in young recipients.

    “young bone marrow cells, when transplanted into aged recipients, engraft worse than when transplanted into young recipients.”

    From Aging of hematopoietic stem cells (2018) · cites this paper as [12]

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Authors
Rossi, D. J., Bryder, D., Zahn, J. M., Ahlenius, H., Sonu, R., Wagers, A. J., & Weissman, I. L.
Affiliations
Joslin Diabetes Center (US)
Venue
Proceedings of the National Academy of Sciences
Published
2005-06-20
Volume
102
Issue
26
Pages
9194-9199
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2131263031
Cited by
1,152
References
47
Citations by year
2026: 44 · 2025: 56 · 2024: 49 · 2023: 55 · 2022: 56 · 2021: 80 · 2020: 57 · 2019: 71 · 2018: 57 · 2017: 59 · 2016: 67 · 2015: 54 · 2014: 56 · 2013: 63 · 2012: 55
FWCI
24.68
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Lund University Publications (Lund University) (submittedVersion)
Funders
  • Damon Runyon Cancer Research Foundation
  • National Institutes of Health
  • Medical Research Council
  • National Cancer Institute (R01CA086065)
Topics
  • Health Sciences › Medicine › Hematology › Hematopoietic Stem Cell Transplantation
  • Health Sciences › Medicine › Hematology › Acute Myeloid Leukemia Research
  • Health Sciences › Medicine › Genetics › Mesenchymal stem cell research
Keywords
hematopoietic stem cell aging, long-term hematopoietic stem cells, stem cell self-renewal, leukemic transformation, age-related immune decline, gene expression profiling
MeSH terms
Animals, Cell Separation, Cell Transformation, Neoplastic, Flow Cytometry, Gene Expression Regulation, Hematopoiesis, Hematopoietic Stem Cells, Leukemia, Mice, Inbred C57BL, Software, Stem Cells, Down-Regulation, Up-Regulation, Genome, Cellular Senescence, Cell Transplantation, Cell Lineage, Reverse Transcriptase Polymerase Chain Reaction, Oligonucleotide Array Sequence Analysis, Mice

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