Inhibition of LTβR signalling activates WNT-induced regeneration in lung

Thomas M Conlon, Gerrit John-Schuster, Danijela Heide, Dominik Pfister, Mareike Lehmann, Yan Hu, Zeynep Ertüz, Martin A Lopez, Meshal Ansari, Maximilian Strunz, Christoph Mayr, Chiara Ciminieri, Rita Costa, Marlene Sophia Kohlhepp, Adrien Guillot, Gizem Günes, Aicha Jeridi, Maja C Funk, Giorgi Beroshvili, Sandra ProkoschJenny Hetzer, Stijn E Verleden, Hani Alsafadi, Michael Lindner, Gerald Burgstaller, Lore Becker, Martin Irmler, Michael Dudek, Jakob Janzen, Eric Goffin, Reinoud Gosens, Percy Knolle, Bernard Pirotte, Tobias Stoeger, Johannes Beckers, Darcy Wagner, Indrabahadur Singh, Fabian J Theis, Martin Hrabé de Angelis, Tracy O'Connor, Frank Tacke, Michael Boutros, Emmanuel Dejardin, Oliver Eickelberg, Herbert B Schiller, Melanie Königshoff, Mathias Heikenwalder*, Ali Önder Yildirim

*Corresponding author for this work

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Lymphotoxin β-receptor (LTβR) signalling promotes lymphoid neogenesis and the development of tertiary lymphoid structures1,2, which are associated with severe chronic inflammatory diseases that span several organ systems3-6. How LTβR signalling drives chronic tissue damage particularly in the lung, the mechanism(s) that regulate this process, and whether LTβR blockade might be of therapeutic value have remained unclear. Here we demonstrate increased expression of LTβR ligands in adaptive and innate immune cells, enhanced non-canonical NF-κB signalling, and enriched LTβR target gene expression in lung epithelial cells from patients with smoking-associated chronic obstructive pulmonary disease (COPD) and from mice chronically exposed to cigarette smoke. Therapeutic inhibition of LTβR signalling in young and aged mice disrupted smoking-related inducible bronchus-associated lymphoid tissue, induced regeneration of lung tissue, and reverted airway fibrosis and systemic muscle wasting. Mechanistically, blockade of LTβR signalling dampened epithelial non-canonical activation of NF-κB, reduced TGFβ signalling in airways, and induced regeneration by preventing epithelial cell death and activating WNT/β-catenin signalling in alveolar epithelial progenitor cells. These findings suggest that inhibition of LTβR signalling represents a viable therapeutic option that combines prevention of tertiary lymphoid structures1 and inhibition of apoptosis with tissue-regenerative strategies.

Original languageEnglish
Pages (from-to)151-156
Issue number7836
Early online date4-Nov-2020
Publication statusPublished - 3-Dec-2020
  • Publisher Correction: Inhibition of LTβR signalling activates WNT-induced regeneration in lung

    Conlon, T. M., John-Schuster, G., Heide, D., Pfister, D., Lehmann, M., Hu, Y., Ertüz, Z., Lopez, M. A., Ansari, M., Strunz, M., Mayr, C., Angelidis, I., Ciminieri, C., Costa, R., Kohlhepp, M. S., Guillot, A., Günes, G., Jeridi, A., Funk, M. C., Beroshvili, G., & 29 othersProkosch, S., Hetzer, J., Verleden, S. E., Alsafadi, H., Lindner, M., Burgstaller, G., Becker, L., Irmler, M., Dudek, M., Janzen, J., Goffin, E., Gosens, R., Knolle, P., Pirotte, B., Stoeger, T., Beckers, J., Wagner, D., Singh, I., Theis, F. J., de Angelis, M. H., O’Connor, T., Tacke, F., Boutros, M., Dejardin, E., Eickelberg, O., Schiller, H. B., Königshoff, M., Heikenwalder, M. & Yildirim, A. Ö., 21-Jan-2021, In: Nature. 589, 7842, p. E6

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    Open Access
    1 Citation (Scopus)
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