Cited by 94Hematopoietic Stem Cell TransplantationMesenchymal stem cell researchBlood disorders and treatments

Aging-induced IL27Ra signaling impairs hematopoietic stem cells

Open access
He, Hanqing, Xu, Panglian, Zhang, Xiaofei, Liao, Min, Dong, Qiongye, Cong, Tingting, Tang, Baixue, Yang, Xiuxiu +6 more·2020·Blood

Abstract

Hematopoietic stem cell (HSC) aging correlates with an increasing risk of myeloproliferative disease and immunosenescence. In this study, we show that aging-related inflammation promotes HSC aging through tumor necrosis factor-α (TNF-α)→ERK→ETS1→interleukin27Ra (IL27Ra) pathway. TNF-α, a well-known biomarker of inflammation, increases during aging and induces the expression of IL27Ra on HSCs via ERK-ETS1 signaling. Deletion of IL27Ra rescues the functional decline and myeloid bias of HSCs and also reverses the inhibitory effect of TNF-α on HSCs. Aged IL27Ra−/− mice had a reduced proportion of myeloid-biased HSCs and did not display the biased myeloid differentiation that occurs in aged wild-type mice. IL27Ra+ HSCs exhibit impaired reconstitution capacity and myeloid-bias compared with IL27Ra− HSCs and serve as a myeloid-recovery pool upon inflammatory insult. Inflammation-related genes were enriched in IL27Ra+ HSCs and this enrichment increases with aging. Our study demonstrates that age-induced IL27Ra signaling impairs HSCs and raises the possibility that interfering with IL27Ra signaling can counter the physiologically deleterious effect of aging on hematopoietic capacity.

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Crossref · 10.1182/blood.2019003910

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  • Inflammatory cytokines, including TNF, TGF1β, IL-6 and IL-1β, have been found to be upregulated in aged bone marrow (HSC niche).

    “Inflammatory cytokines, including TNF76, transforming growth factor-β1 (TGF1β)77, IL-6 (REF.78) and IL-1β (REF.79), have also been found to be upregulated in aged bone marrow (HSC niche).”
  • In the bone marrow, TNF induces the expression of IL-27 receptor, and ablation of IL-27 receptor blunts the negative impact of ageing on HSCs.

    “In the bone marrow, TNF (likely produced by niche cells) induces the expression of IL-27 receptor, and ablation of IL-27 receptor blunts the negative impact of ageing on HSCs76.”

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Research works printed but not linked: 2

  1. Manz MG, Boettcher S. Emergency granulopoi- esis. Nat Rev Immunol. 2014;14(5):302-314.
  2. Chauhan AK, Chen C, Moore TL, DiPaolo RJ. Induced expression of FcgRIIIa (CD16a) on CD41 T cells triggers generation of IFN-ghigh subset. J Biol Chem. 2015;290(8):5127-5140.

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Authors
He, H., Xu, P., Zhang, X., Liao, M., Dong, Q., Cong, T., Tang, B., Yang, X., Ye, M., Chang, Y., Liu, W., Wang, X., Ju, Z., & Wang, J.
Affiliations
  • School of Pharmaceutical Sciences,
  • Center for Life Sciences (CN)
  • Beijing National Research Center for Information Science and Technology (CN)
  • Fudan University (CN)
  • Peking University People’s Hospital & Peking University Institute of Hematology, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China;
  • Central Hospital of Zibo (CN)
  • Jinan University (CN)
  • Tsinghua University (CN)
Venue
Blood
Published
2020-07-09
Volume
136
Issue
2
Pages
183-198
ISSN
  • 0006-4971 (ISSN-L)
  • 1528-0020
OpenAlex
W3016850173
Cited by
94
References
55
Citations by year
2026: 6 · 2025: 22 · 2024: 15 · 2023: 12 · 2022: 20 · 2021: 11 · 2020: 7 · 2018: 1
FWCI
7.89
Type
journal article
Language
en
Open access
Locations
  • Blood (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Natural Science Foundation of China (61773230, 61721003, 91849106)
  • Beijing Advanced Innovation Center for Structural Biology, Tsinghua University
Topics
  • Health Sciences › Medicine › Hematology › Hematopoietic Stem Cell Transplantation
  • Health Sciences › Medicine › Genetics › Mesenchymal stem cell research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Blood disorders and treatments
Keywords
hematopoietic stem cell aging, TNF-α, myeloid bias, myeloproliferative neoplasms, immunosenescence, hematopoietic recovery, aged mice
MeSH terms
Aging, Animals, Inflammation, Tumor Necrosis Factor-alpha, Receptors, Interleukin, Mice, Knockout, MAP Kinase Signaling System, Myeloid Progenitor Cells, Mice

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