Cited by 55T-cell and B-cell ImmunologyImmunotherapy and Immune ResponsesImmunotoxicology and immune responses

An IL-7 Fusion Protein That Shows Increased Thymopoietic Ability

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Henson, Sian M, Snelgrove, Robert, Hussell, Tracy, Wells, Dominic J, Aspinall, Richard·2005·The Journal of Immunology

Abstract

The role of IL-7 during thymopoiesis has led to it being the focus of a number of therapeutic interventions. However, its small size and pleiotropic nature present problems for thymus-directed therapies. We have created a fusion molecule between the extracellular N-terminal domain of CCR9 and IL-7, which has the potential to overcome these difficulties. This novel fusion protein retains the thymopoietic activity of IL-7 and the ligand-binding ability of CCR9. As a thymopoietic agent, compared with IL-7, it shows an enhanced retention in the thymus, increased de novo T cell production, and increased thymic output. Old mice receiving the fusion protein show improved CD8 T cell responses and reduced viral load after infection with influenza virus compared with those receiving IL-7. This chimeric molecule offers a novel therapeutic strategy that may result in the production of an effective immunorestorative agent.

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Crossref · 10.4049/jimmunol.175.6.4112

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  • The IL-7 fusion protein, IL-7 binding to the N-terminal extracellular domain of CCR9, could restore the thymus structure in elderly individuals.

    “it was reported that the IL-7 fusion protein, that is, IL-7 binding to the N-terminal extracellular domain of CCR9, could restore the thymus structure in elderly individuals [173]”

    From Immunosenescence: a key player in cancer development (2020) · cites this paper as [173]

  • IL-7 targeting the thymus of the elderly may restore the development of T cells in the elderly.

    “IL-7 targeting the thymus of the elderly may also restore the development of T cells in the elderly.”

    From Immunosenescence: a key player in cancer development (2020) · cites this paper as [173]

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Authors
Henson, S. M., Snelgrove, R., Hussell, T., Wells, D. J., & Aspinall, R.
Affiliations
  • Department of Immunology, Imperial College, Chelsea and Westminster Hospital , London ,
  • Imperial College London (GB)
  • Charing Cross Hospital (GB)
  • Chelsea and Westminster Hospital (GB)
Corresponding author
Aspinall, Richard
Venue
The Journal of Immunology
Published
2005-09
Volume
175
Issue
6
Pages
4112-4118
ISSN
  • 0022-1767 (ISSN-L)
  • 1550-6606
OpenAlex
W1856903046
Cited by
55
References
43
Citations by year
2026: 1 · 2025: 3 · 2024: 2 · 2022: 3 · 2021: 5 · 2020: 3 · 2019: 3 · 2018: 3 · 2017: 1 · 2016: 1 · 2013: 1 · 2012: 4
FWCI
1.54
Type
journal article
Language
en
Open access
Locations
  • The Journal of Immunology (publishedVersion)
  • PubMed (publishedVersion)
  • UCL Discovery (University College London) (submittedVersion)
  • Research Explorer (The University of Manchester) (submittedVersion)
Funders
  • Directorate for Biological Sciences
  • Biotechnology and Biological Sciences Research Council
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotherapy and Immune Responses
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotoxicology and immune responses
Keywords
IL-7, CCR9, fusion protein, thymopoiesis, T cell production, thymic output, CD8+ T cell responses, influenza, immunorestoration, ligand binding
MeSH terms
Animals, Influenza, Human, Mice, Inbred C57BL, Recombinant Fusion Proteins, T-Lymphocytes, Thymus Gland, Protein Engineering, Interleukin-7, CD8-Positive T-Lymphocytes, Viral Load, Receptors, Chemokine, Cell Proliferation, Mice, Receptors, CCR

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