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Type 1 immunity enables neonatal thymic ILC1 production

Peter Tougaard (UGent) , Mario Ruiz Pérez (UGent) , Wolf Steels (UGent) , Jelle Huysentruyt, Bruno Verstraeten (UGent) , Jessica Vetters (UGent) , Tatyana Divert (UGent) , Amanda Gonçalves (UGent) , Ria Roelandt (UGent) , Nozomi Takahashi (UGent) , et al.
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Abstract
Acute thymic atrophy occurs following type 1 inflammatory conditions such as viral infection and sepsis, resulting in cell death and disruption of T cell development. However, the impact type 1 immunity has on thymic-resident innate lymphoid cells (ILCs) remains unclear. Single-cell RNA sequencing revealed neonatal thymic-resident type 1 ILCs (ILC1s) as a unique and immature subset compared to ILC1s in other primary lymphoid organs. Culturing murine neonatal thymic lobes with the type 1 cytokines interleukin-12 (IL-12) and IL-18 resulted in a rapid expansion and thymic egress of KLRG1(+)CXCR6(+) cytotoxic ILC1s. Live imaging showed the subcapsular thymic localization and exit of ILC1s following IL-12 + IL-18 stimulation. Similarly, murine cytomegalovirus infection in neonates resulted in thymic atrophy and subcapsular localization of thymic-resident ILC1s. Neonatal thymic grafting revealed that type 1 inflammation enhances the homing of cytokine-producing thymus-derived ILC1s to the liver and peritoneal cavity. Together, we show that type 1 immunity promotes the expansion and peripheral homing of thymic-derived ILC1s.

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MLA
Tougaard, Peter, et al. “Type 1 Immunity Enables Neonatal Thymic ILC1 Production.” SCIENCE ADVANCES, vol. 10, no. 3, 2024, doi:10.1126/sciadv.adh5520.
APA
Tougaard, P., Ruiz Pérez, M., Steels, W., Huysentruyt, J., Verstraeten, B., Vetters, J., … Vandenabeele, P. (2024). Type 1 immunity enables neonatal thymic ILC1 production. SCIENCE ADVANCES, 10(3). https://doi.org/10.1126/sciadv.adh5520
Chicago author-date
Tougaard, Peter, Mario Ruiz Pérez, Wolf Steels, Jelle Huysentruyt, Bruno Verstraeten, Jessica Vetters, Tatyana Divert, et al. 2024. “Type 1 Immunity Enables Neonatal Thymic ILC1 Production.” SCIENCE ADVANCES 10 (3). https://doi.org/10.1126/sciadv.adh5520.
Chicago author-date (all authors)
Tougaard, Peter, Mario Ruiz Pérez, Wolf Steels, Jelle Huysentruyt, Bruno Verstraeten, Jessica Vetters, Tatyana Divert, Amanda Gonçalves, Ria Roelandt, Nozomi Takahashi, Sophie Janssens, Terkild B. Buus, Tom Taghon, Georges Leclercq, and Peter Vandenabeele. 2024. “Type 1 Immunity Enables Neonatal Thymic ILC1 Production.” SCIENCE ADVANCES 10 (3). doi:10.1126/sciadv.adh5520.
Vancouver
1.
Tougaard P, Ruiz Pérez M, Steels W, Huysentruyt J, Verstraeten B, Vetters J, et al. Type 1 immunity enables neonatal thymic ILC1 production. SCIENCE ADVANCES. 2024;10(3).
IEEE
[1]
P. Tougaard et al., “Type 1 immunity enables neonatal thymic ILC1 production,” SCIENCE ADVANCES, vol. 10, no. 3, 2024.
@article{01HQWRBM7KWCVV58GW9MAMHRNB,
  abstract     = {{Acute thymic atrophy occurs following type 1 inflammatory conditions such as viral infection and sepsis, resulting in cell death and disruption of T cell development. However, the impact type 1 immunity has on thymic-resident innate lymphoid cells (ILCs) remains unclear. Single-cell RNA sequencing revealed neonatal thymic-resident type 1 ILCs (ILC1s) as a unique and immature subset compared to ILC1s in other primary lymphoid organs. Culturing murine neonatal thymic lobes with the type 1 cytokines interleukin-12 (IL-12) and IL-18 resulted in a rapid expansion and thymic egress of KLRG1(+)CXCR6(+) cytotoxic ILC1s. Live imaging showed the subcapsular thymic localization and exit of ILC1s following IL-12 + IL-18 stimulation. Similarly, murine cytomegalovirus infection in neonates resulted in thymic atrophy and subcapsular localization of thymic-resident ILC1s. Neonatal thymic grafting revealed that type 1 inflammation enhances the homing of cytokine-producing thymus-derived ILC1s to the liver and peritoneal cavity. Together, we show that type 1 immunity promotes the expansion and peripheral homing of thymic-derived ILC1s.}},
  articleno    = {{eadh5520}},
  author       = {{Tougaard, Peter and Ruiz Pérez, Mario and Steels, Wolf and Huysentruyt, Jelle and Verstraeten, Bruno and Vetters, Jessica and Divert, Tatyana and Gonçalves, Amanda and Roelandt, Ria and Takahashi, Nozomi and Janssens, Sophie and  Buus, Terkild B. and Taghon, Tom and Leclercq, Georges and Vandenabeele, Peter}},
  issn         = {{2375-2548}},
  journal      = {{SCIENCE ADVANCES}},
  language     = {{eng}},
  number       = {{3}},
  pages        = {{17}},
  title        = {{Type 1 immunity enables neonatal thymic ILC1 production}},
  url          = {{http://doi.org/10.1126/sciadv.adh5520}},
  volume       = {{10}},
  year         = {{2024}},
}

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