Cited by 58Rheumatoid Arthritis Research and TherapiesHematopoietic Stem Cell TransplantationAutoimmune and Inflammatory Disorders Research

Pro-inflammatory cytokine blockade attenuates myeloid expansion in a murine model of rheumatoid arthritis

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Hernandez, Giovanny, Mills, Taylor S., Rabe, Jennifer L., Chavez, James S., Kuldanek, Susan, Kirkpatrick, Gregory, Noetzli, Leila, Jubair, Widian K. +13 more·2020·Haematologica

Abstract

Rheumatoid arthritis (RA) is a debilitating autoimmune disease characterized by chronic inflammation and progressive destruction of joint tissue. It is also characterized by aberrant blood phenotypes including anemia and suppressed lymphopoiesis that contribute to morbidity in RA patients. However, the impact of RA on hematopoietic stem cells (HSC) has not been fully elucidated. Using a collagen-induced mouse model of human RA, we identified systemic inflammation and myeloid overproduction associated with activation of a myeloid differentiation gene program in HSC. Surprisingly, despite ongoing inflammation, HSC from arthritic mice remain in a quiescent state associated with activation of a proliferation arrest gene program. Strikingly, we found that inflammatory cytokine blockade using the interleukin-1 receptor antagonist anakinra led to an attenuation of inflammatory arthritis and myeloid expansion in the bone marrow of arthritic mice. In addition, anakinra reduced expression of inflammation-driven myeloid lineage and proliferation arrest gene programs in HSC of arthritic mice. Altogether, our findings show that inflammatory cytokine blockade can contribute to normalization of hematopoiesis in the context of chronic autoimmune arthritis.

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Crossref · 10.3324/haematol.2018.197210

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  • Activation of the quiescent HSC gene program relies, at least in part, on IL-1 signaling.

    “Interestingly, activation of this gene program relies, at least in part, on IL-1 signaling (Hernandez et al., 2020).”

    From PU.1 enforces quiescence and limits hematopoietic stem cell expansion during inflammatory stress (2021) · cites this paper as Hernandez et al., 2020

    The Results section on cytokine blockade (page unavailable) reports that the IL-1 receptor blocker anakinra partially normalized expression of proliferation-arrest genes in HSC from mice with collagen-induced arthritis. This supports a possible contribution from IL-1 signaling, but the paper does not establish that activation of the program relies on it: HSC cell-cycle distribution was unchanged, and the Discussion says anakinra’s effects could be indirect. (LLM, conf=0.84)

    Experimental — accuracy not yet measured
  • Using a mouse model of chronic rheumatoid arthritis, myeloid cell production and accompanying PU.1-driven myeloid gene programs in HSC can be blocked pharmacologically using the IL-1 receptor antagonist anakinra.

    “Using a mouse model of chronic rheumatoid arthritis, we previously showed that myeloid cell production and accompanying PU.1-driven myeloid gene programs in HSC can be blocked pharmacologically using the IL-1 receptor (IL-1R) antagonist anakinra (Hernandez et al., 2020).”

    From PU.1 is required to restrain myelopoiesis during chronic inflammatory stress (2023) · cites this paper as Hernandez et al., 2020

    The Results section on cytokine blockade reports that anakinra reduced myeloid expansion in mice with collagen-induced arthritis and significantly decreased PU.1 and its target genes in HSC. The paper describes these effects as attenuation or partial reversal, not complete blockade; it also does not establish that anakinra acts directly on HSC. (LLM, conf=0.86)

    Experimental — accuracy not yet measured
  • Quiescent HSCs downregulate numerous protein synthesis and cell proliferation genes in a mouse model of chronic rheumatoid arthritis.

    “We recently found that quiescent HSCs downregulate numerous protein synthesis and cell proliferation genes in a mouse model of chronic rheumatoid arthritis (Hernandez et al., 2020).”
  • PU.1 plays a key role in emergency myelopoiesis.

    “We and others have shown that PU.1 plays a key role in this process (Pietras et al., 2016; Yamashita and Passegue, 2019; Hernandez et al., 2020; Rabe et al., 2020; Chavez et al., 2021; Ahmed et al., 2022; Chavez et al., 2022).”

    From PU.1 is required to restrain myelopoiesis during chronic inflammatory stress (2023) · cites this paper as Hernandez et al., 2020

  • IL-1R blockade could reduce the expression of PU.1 target genes in HSC closer to homeostatic levels, with concurrent reductions in myeloid output.

    “Along these lines, we recently showed that IL-1R blockade could reduce the expression of PU.1 target genes in HSC closer to homeostatic levels, with concurrent reductions in myeloid output (Hernandez et al., 2020).”

    From PU.1 is required to restrain myelopoiesis during chronic inflammatory stress (2023) · cites this paper as Hernandez et al., 2020

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Authors
Hernandez, G., Mills, T. S., Rabe, J. L., Chavez, J. S., Kuldanek, S., Kirkpatrick, G., Noetzli, L., Jubair, W. K., Zanche, M., Myers, J. R., Stevens, B. M., Fleenor, C. J., Adane, B., Dinarello, C. A., Ashton, J., Jordan, C. T., Di Paola, J., Hagman, J. R., Holers, V. M., Kuhn, K. A., & Pietras, E. M.
Affiliations
  • University of Colorado Anschutz (US)
  • University of Rochester (US)
  • National Jewish Health (US)
Corresponding author
Pietras, Eric M.
Venue
Haematologica
Published
2019-05-17
Volume
105
Issue
3
Pages
585-597
ISSN
  • 0390-6078 (ISSN-L)
  • 1592-8721
OpenAlex
W2945652237
Cited by
58
References
57
Citations by year
2026: 7 · 2025: 5 · 2024: 12 · 2023: 9 · 2022: 11 · 2021: 7 · 2020: 4 · 2019: 3
FWCI
4.74
Type
journal article
Language
en
Open access
Locations
  • Haematologica (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • Radboud Repository (Radboud University) (submittedVersion)
  • Radboud Repository (Radboud University) (submittedVersion, other-oa)
Funders
  • National Institutes of Health
  • National Heart, Lung, and Blood Institute (F31HL138754)
  • National Cancer Institute (P30CA046934)
  • National Institute of Allergy and Infectious Diseases (R01AI098417)
  • National Institute of Diabetes and Digestive and Kidney Diseases (R01DK119394, K01DK098315)
  • National Institute of Arthritis and Musculoskeletal and Skin Diseases (R01AR051749, R01AR075033, T32AR007534)
Topics
  • Health Sciences › Medicine › Rheumatology › Rheumatoid Arthritis Research and Therapies
  • Health Sciences › Medicine › Hematology › Hematopoietic Stem Cell Transplantation
  • Health Sciences › Medicine › Hematology › Autoimmune and Inflammatory Disorders Research
Keywords
rheumatoid arthritis, hematopoietic stem cells, myeloid expansion, anakinra, interleukin-1 receptor antagonist, cytokine inhibition, bone marrow, collagen-induced arthritis, chronic inflammation
MeSH terms
Animals, Arthritis, Experimental, Arthritis, Rheumatoid, Autoimmune Diseases, Disease Models, Animal, Humans, Cytokines, Mice

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