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Cited by 275

The DOI matches its Crossref record; 9 of the 9 references it cites were found in a registry or an index.

Immune tolerance in liver disease

Open access
Crispe, Ian N.·2014·Hepatology

Abstract

UNLABELLED: Liver tolerance is manifest as a bias toward immune unresponsiveness, both in the context of a major histocompatibility complex-mismatched liver transplant and in the context of liver infection. Two broad classes of mechanisms account for liver tolerance. The presentation of antigens by different liver cell types results in incomplete activation of CD8(+) T cells, usually leading to initial proliferation followed by either clonal exhaustion or premature death of the T cell. Many liver infections result in relatively poor CD4(+) T-cell activation, which may be because liver antigen-presenting cells express a variety of inhibitory cytokines and coinhibitor ligands. Poor CD4(+) T-cell activation by liver antigens likely contributes to abortive activation, exhaustion, and early death of CD8(+) T cells. In addition, a network of active immunosuppressive pathways in the liver is mediated mostly by myeloid cells. Kupffer cells, myeloid-derived suppressor cells, and liver dendritic cells both promote activation of regulatory T cells and suppress CD8(+) and CD4(+) effector T cells. This suppressive network responds to diverse inputs, including signals from hepatocytes, sinusoidal endothelial cells, and hepatic stellate cells. CONCLUSION: Though liver tolerance may be exploited by pathogens, it serves a valuable purpose. Hepatitis A and B infections occasionally elicit a powerful immune response sufficient to cause fatal massive liver necrosis. More commonly, the mechanisms of liver tolerance limit the magnitude of intrahepatic immune responses, allowing the liver to recover. The cost of this adaptive mechanism may be incomplete pathogen eradication, leading to chronic infection.

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Crossref · 10.1002/hep.27254

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9 of 9 references verified0 citation errors · 0 not checkable

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Metadata

Authors
Crispe, I. N.
Venue
Hepatology
Published
2014-09-26
Volume
60
Issue
6
Pages
2109-2117
ISSN
  • 0270-9139 (ISSN-L)
  • 1527-3350
OpenAlex
W2137969636
Cited by
275
References
9
FWCI
8.04
Type
journal article
Language
en
Open access
bronze

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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