Cited by 72Virus-based gene therapy researchT-cell and B-cell ImmunologyHemophilia Treatment and Research

Nonredundant Roles of IL-10 and TGF-β in Suppression of Immune Responses to Hepatic AAV-Factor IX Gene Transfer

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Hoffman, Brad E, Martino, Ashley T, Sack, Brandon K, Cao, Ou, Liao, Gongxian, Terhorst, Cox, Herzog, Roland W·2011·Molecular Therapy

Abstract

Hepatic gene transfer using adeno-associated viral (AAV) vectors has been shown to efficiently induce immunological tolerance to a variety of proteins. Regulatory T-cells (Treg) induced by this route suppress humoral and cellular immune responses against the transgene product. In this study, we examined the roles of immune suppressive cytokines interleukin-10 (IL-10) and transforming growth factor-β (TGF-β) in the development of tolerance to human coagulation factor IX (hF.IX). Interestingly, IL-10 deficient C57BL/6 mice receiving gene transfer remained tolerant to hF.IX and generated Treg that suppressed anti-hF.IX formation. Effects of TGF-β blockade were also minor in this strain. In contrast, in C3H/HeJ mice, a strain known to have stronger T-cell responses against hF.IX, IL-10 was specifically required for the suppression of CD8(+) T-cell infiltration of the liver. Furthermore, TGF-β was critical for tipping the balance toward an regulatory immune response. TGF-β was required for CD4(+)CD25(+)FoxP3(+) Treg induction, which was necessary for suppression of effector CD4(+) and CD8(+) T-cell responses as well as antibody formation. These results demonstrate the crucial, nonredundant roles of IL-10 and TGF-β in prevention of immune responses against AAV-F.IX-transduced hepatocytes.

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Crossref · 10.1038/mt.2011.33

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  • Increased levels of gene expression resulting from higher vector doses promote immune tolerance through elevated expression of IL-10, enhanced apoptosis of effector T cells, and enhanced Treg induction.

    “However, the exact opposite is true, and increased levels of gene expression resulting from higher vector doses promote immune tolerance through elevated expression of the immune suppressive cytokine IL-10, enhanced apoptosis of effector T cells, and enhanced Treg induction similar to that observed with a very high HBV inoculum in chimpanzees.15,56,57,58,59,60,61,62”

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  1. [43]43. Fields, PA ∙ Kowalczyk, DW ∙ Arruda, VR ... Role of vector in activation of T cell subsets in immune responses against the secreted transgene product factor IX Mol Ther. 2000; 1:225-235 Full Text Full Text (PDF) Scopus (122) PubMed Google Scholar

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Authors
Hoffman, B. E., Martino, A. T., Sack, B. K., Cao, O., Liao, G., Terhorst, C., & Herzog, R. W.
Affiliations
  • University of Florida (US)
  • Beth Israel Deaconess Medical Center (US)
Corresponding author
  • Hoffman, Brad E
  • Herzog, Roland W
Venue
Molecular Therapy
Publisher
Elsevier BV
Published
2011-07
Volume
19
Issue
7
Pages
1263-1272
ISSN
1525-0016 (ISSN-L)
OpenAlex
W1989863794
Cited by
72
References
44
Citations by year
2026: 8 · 2025: 4 · 2024: 5 · 2023: 3 · 2022: 2 · 2021: 2 · 2020: 5 · 2019: 5 · 2018: 1 · 2017: 6 · 2016: 3 · 2015: 6 · 2014: 6 · 2013: 7 · 2012: 5
FWCI
4.39
Type
journal article
Language
en
Open access
Locations
  • Molecular Therapy (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Heart, Lung, and Blood Institute (P01HL078810)
  • National Institute of Allergy and Infectious Diseases (R01AI051390, R01 AI51390, T32AI007110)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Virus-based gene therapy research
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Health Sciences › Medicine › Hematology › Hemophilia Treatment and Research
Keywords
IL-10, TGF-beta, adeno-associated virus vectors, factor IX, hepatic gene transfer, immune tolerance, regulatory T cells, Foxp3, CD8+ T cells, CD4+ T cells, antibody response, cytokine inhibition, C3H/HeJ mice, C57BL/6 mice
MeSH terms
Adenoviridae, Animals, Enzyme-Linked Immunosorbent Assay, Factor IX, Flow Cytometry, Genetic Vectors, Humans, Interferon-gamma, Liver, Male, CD4-Positive T-Lymphocytes, Transforming Growth Factor beta, Interleukin-10, CD8-Positive T-Lymphocytes, Hepatocytes, T-Lymphocytes, Regulatory, Mice, Forkhead Transcription Factors, Interleukin-2 Receptor alpha Subunit

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