Cited by 316T-cell and B-cell ImmunologyLiver physiology and pathologyLiver Diseases and Immunity

The site of primary T cell activation is a determinant of the balance between intrahepatic tolerance and immunity

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Bowen, David G., Zen, Monica, Holz, Lauren, Davis, Thomas, McCaughan, Geoffrey W., Bertolino, Patrick·2004·Journal of Clinical Investigation

Abstract

Hepatic immunobiology is paradoxical: although the liver possesses unusual tolerogenic properties, it is also the site of effective immune responses against multiple pathogens and subject to immune-mediated pathology. The mechanisms underlying this dichotomy remain unclear. Following previous work demonstrating that the liver may act as a site of primary T cell activation, we demonstrate here that the balance between immunity and tolerance in this organ is established by competition for primary activation of CD8+ T cells between the liver and secondary lymphoid tissues, with the immune outcome determined by the initial site of activation. Using a transgenic mouse model in which antigen is expressed within both liver and lymph nodes, we show that while naive CD8+ T cells activated within the lymph nodes were capable of mediating hepatitis, cells undergoing primary activation within the liver exhibited defective cytotoxic function and shortened half-life and did not mediate hepatocellular injury. The implications of these novel findings may pertain not only to the normal maintenance of peripheral tolerance, but also to hepatic allograft tolerance and the immunopathogenesis of chronic viral hepatitis.

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Crossref · 10.1172/jci200421593

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  • These results proved that circulating T cells have full access to hepatocellular antigens, which functionally act as a secondary lymphoid organ for CD8+ T cell priming.

    “These results proved that circulating T 458 cells have full access to hepatocellular antigens, which functionally act as a secondary 459 lymphoid organ for CD8+ T cell priming(93-95).”

    From The liver as a central "hub" of the immune system: pathophysiological implications (2025) · cites this paper as [95]

    The Introduction and the section on competition between liver and lymph nodes (pages unavailable) show that naive CD8+ T cells can access antigen in the liver and undergo primary activation there. But the Discussion says liver priming produces ineffective CTL function and reduced T-cell survival, unlike lymph-node priming. The paper therefore supports intrahepatic priming, not the unqualified claim that the liver functionally acts as a secondary lymphoid organ. (LLM, conf=0.86)

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Authors
Bowen, D. G., Zen, M., Holz, L., Davis, T., McCaughan, G. W., & Bertolino, P.
Affiliations
Centenary Institute (AU)
Venue
Journal of Clinical Investigation
Published
2004-09-01
Volume
114
Issue
5
Pages
701-712
ISSN
0021-9738 (ISSN-L)
OpenAlex
W1968141301
Cited by
316
References
53
Citations by year
2026: 3 · 2025: 2 · 2024: 5 · 2023: 8 · 2022: 7 · 2021: 11 · 2020: 11 · 2019: 12 · 2018: 11 · 2017: 14 · 2016: 15 · 2015: 14 · 2014: 18 · 2013: 27 · 2012: 23
FWCI
6.14
Type
journal article
Language
en
Open access
Locations
  • Journal of Clinical Investigation (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Children’s Hospital of Wisconsin Research Institute
  • University of Sydney
  • Medical Research Council
  • National Health and Medical Research Council
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Health Sciences › Medicine › Hepatology › Liver physiology and pathology
  • Health Sciences › Medicine › Hepatology › Liver Diseases and Immunity
Keywords
liver, CD8+ T cells, peripheral tolerance, secondary lymphoid organs, hepatitis, cytotoxic function, chronic viral hepatitis, transgenic mouse model
MeSH terms
Adjuvants, Immunologic, Animals, Antibodies, Monoclonal, Hepatitis, Immune Tolerance, Liver, Lymph Nodes, T-Lymphocytes, CD8-Positive T-Lymphocytes, L-Selectin, Mice

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