Cited by 504IL-33, ST2, and ILC PathwaysLiver physiology and pathologyLiver Disease Diagnosis and Treatment

Interleukin-33-Dependent Innate Lymphoid Cells Mediate Hepatic Fibrosis

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Mchedlidze, Tamar, Waldner, Maximilian, Zopf, Steffen, Walker, Jennifer, Rankin, Andrew L., Schuchmann, Marcus, Voehringer, David, McKenzie, Andrew N.J. +3 more·2013·Immunity

Abstract

Liver fibrosis is a consequence of chronic liver diseases and thus a major cause of mortality and morbidity. Clinical evidence and animal studies suggest that local tissue homeostasis is disturbed due to immunological responses to chronic hepatocellular stress. Poorly defined stress-associated inflammatory networks are thought to mediate gradual accumulation of extracellular-matrix components, ultimately leading to fibrosis and liver failure. Here we have reported that hepatic expression of interleukin-33 (IL-33) was both required and sufficient for severe hepatic fibrosis in vivo. We have demonstrated that IL-33's profibrotic effects related to activation and expansion of liver resident innate lymphoid cells (ILC2). We identified ILC2-derived IL-13, acting through type-II IL-4 receptor-dependent signaling via the transcription factor STAT6 and hepatic stellate-cell activation, as a critical downstream cytokine of IL-33-dependent pathologic tissue remodeling and fibrosis. Our data reveal key immunological networks implicated in hepatic fibrosis and support the concept of modulation of IL-33 bioactivity for therapeutic purposes.

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Crossref · 10.1016/j.immuni.2013.07.018

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  • ILC2s (via IL-33), T cells (via IL-17), B cells (immunoglobulin independent), Tregs (via amphiregulin) and platelets have been suggested to directly promote HSC activation.

    “Additionally, ILC2s (via IL-33), T cells (via IL-17), B cells (immunoglobulin independent), Tregs (via amphiregulin) and platelets have been suggested to directly promote HSC activation [197, 237, 242–245].”
  • Together these data suggest complex roles for IL-33 and ILC-2 in NASH and possibly thresholds for IL-33 that need to be surpassed to modulate fibrosis.

    “Together, these data suggest complex roles for IL-33 and ILC-2 in NASH and possibly thresholds for IL-33 that need to be surpassed to modulate fibrosis.”
  • IL-33-mediated expansion of ILC2s promotes toxin-induced liver fibrosis through an IL-13-IL4R-STAT6 pathway.

    “IL-33-mediated expansion of ILC2s was shown to promote toxin-induced liver fibrosis through an IL-13-IL4R-STAT6 pathway.87”
  • A modified bleomycin model with intradermal injection over several weeks uncovered a substantial role for IL-4R signaling in the development of pulmonary fibrosis.

    “a modified version of this model in which bleomycin is injected intra-dermally rather than intra-tracheally over several weeks uncovered a substantial role for IL-4R signaling in the development of pulmonary fibrosis141”

    From Fibrosis: from mechanisms to medicines (2020) · cites this paper as [141]

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Authors
Mchedlidze, T., Waldner, M., Zopf, S., Walker, J., Rankin, A. L., Schuchmann, M., Voehringer, D., McKenzie, A. N. J., Neurath, M. F., Pflanz, S., & Wirtz, S.
Affiliations
  • Friedrich-Alexander-Universität Erlangen-Nürnberg (DE)
  • MRC Laboratory of Molecular Biology (GB)
  • Merck & Co., Inc., Rahway, NJ, USA (United States) (US)
  • Johannes Gutenberg University Mainz (DE)
Corresponding author
Wirtz, Stefan
Venue
Immunity
Publisher
Elsevier BV
Published
2013-08
Volume
39
Issue
2
Pages
357-371
ISSN
1074-7613 (ISSN-L)
OpenAlex
W1997883939
Cited by
502
References
54
Citations by year
2026: 13 · 2025: 33 · 2024: 30 · 2023: 33 · 2022: 35 · 2021: 37 · 2020: 46 · 2019: 43 · 2018: 48 · 2017: 50 · 2016: 47 · 2015: 47 · 2014: 35 · 2013: 4
FWCI
24.68
Type
journal article
Language
en
Open access
Locations
  • Immunity (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › IL-33, ST2, and ILC Pathways
  • Health Sciences › Medicine › Hepatology › Liver physiology and pathology
  • Health Sciences › Medicine › Epidemiology › Liver Disease Diagnosis and Treatment
Keywords
IL-33, liver fibrosis, innate lymphoid cells, ILC2, IL-13, STAT6, hepatic stellate cells, extracellular matrix remodeling, liver inflammation, chronic liver disease
MeSH terms
Interleukin-33, Animals, Cells, Cultured, Inflammation, Interleukins, Liver, Liver Cirrhosis, Lymphocyte Activation, Lymphocytes, Mice, Inbred BALB C, Mice, Inbred C57BL, Signal Transduction, Mice, Knockout, Interleukin-13, Adoptive Transfer, Cell Proliferation, STAT6 Transcription Factor, Mice, Receptors, Interleukin-4, Type II, Hepatic Stellate Cells

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