Cited by 72Liver physiology and pathologyT-cell and B-cell ImmunologyLiver Diseases and Immunity

Human Hepatic Stellate Cells Inhibit T-Cell Response Through B7-H1 Pathway

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Charles, Ronald, Chou, Hong-Shiue, Wang, Lianfu, Fung, John J., Lu, Lina, Qian, Shiguang·2013·Transplantation

Abstract

BACKGROUND: The liver is an immunologic privileged organ; liver allografts are accepted across major histocompatibility complex barriers in many species. However, hepatocyte transplants are acutely rejected, suggesting a role for liver nonparenchymal cells in regulating the immunoresponse. We have shown potent immunoregulatory activity of hepatic stellate cells (HSCs) in mice. The aim of this study was to examine the immunoregulatory activity of human HSCs. METHODS: HSCs were isolated from normal human livers for analyses of their impact on T-cell response. RESULTS: HSCs expressed low HLA-DR and costimulatory molecules CD40 and CD80 but constitutively expressed high levels of CD54. Interferon-γ stimulated HSCs to express B7-H1 in a dose-dependent manner and produce the suppressive cytokines interleukin-6, interleukin-10, and transforming growth factor-β but did not affect expression of HLA-DR, CD40, and CD80. Human HSCs did not stimulate allogeneic T-cell proliferative response, indicating that they are not professional antigen-presenting cells. HSCs markedly inhibited T-cell response elicited by either allogeneic antigen-presenting cells or CD3/CD28 beads, which was associated with increases in activated CD4 and CD8 T-cell apoptosis. Addition of anti-B7-H1 blocking antibody significantly reversed the inhibitory effect. CONCLUSIONS: Human HSCs demonstrate potent immunoregulatory activity via B7-H1-mediated induction of apoptosis in activated T cells. Understanding of the involved mechanisms may lead to development of novel therapeutic approaches for treatment of liver diseases.

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  • HSCs cull the pool of activated T cells by expressing PD-L1 to induce T cell apoptosis.

    “HSCs cull the pool of activated T cells by expressing PD-L1 to induce T cell apoptosis (46–48)”

    From Hepatic Stellate Cell-Immune Interactions in NASH (2022) · cites this paper as [48]

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Authors
Charles, R., Chou, H.-S., Wang, L., Fung, J. J., Lu, L., & Qian, S.
Affiliations
Cleveland Clinic (US)
Corresponding author
Qian, Shiguang
Venue
Transplantation
Published
2013-07-15
Volume
96
Issue
1
Pages
17-24
ISSN
0041-1337 (ISSN-L)
OpenAlex
W2008640671
Cited by
72
References
42
Citations by year
2026: 1 · 2025: 6 · 2024: 3 · 2023: 6 · 2022: 8 · 2021: 4 · 2020: 10 · 2019: 5 · 2018: 5 · 2017: 2 · 2016: 8 · 2015: 7 · 2014: 7
FWCI
4.57
Type
journal article
Language
en
Open access
Locations
  • Transplantation (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institute of Allergy and Infectious Diseases (R21AI090468, AI090468)
  • National Institute of Diabetes and Digestive and Kidney Diseases (R01DK084192, R01DK058316, DK084192)
Topics
  • Health Sciences › Medicine › Hepatology › Liver physiology and pathology
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Health Sciences › Medicine › Hepatology › Liver Diseases and Immunity
Keywords
hepatic stellate cells, PD-L1, T cell suppression, immune regulation, T cell apoptosis, interferon-gamma, IL-10, interleukin-6, TGF-beta, ICAM-1, CD40, CD80, HLA-DR, liver transplantation, hepatocyte transplantation, liver allograft rejection, costimulatory molecules
MeSH terms
Antibodies, Monoclonal, Cell Communication, Cells, Cultured, Graft Rejection, Humans, Immune Tolerance, Liver, T-Lymphocytes, Transplantation, Homologous, Signal Transduction, Liver Transplantation, Immunophenotyping, Apoptosis, B7-1 Antigen, Intercellular Adhesion Molecule-1, CD40 Antigens, Hepatic Stellate Cells, B7-H1 Antigen

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