Cited by 148T-cell and B-cell ImmunologyPsoriasis: Treatment and PathogenesisCancer Immunotherapy and Biomarkers

mTOR Signaling, Tregs and Immune Modulation

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Chapman, Nicole M, Chi, Hongbo·2014·Immunotherapy

Abstract

Foxp3(+) Tregs are central regulators of immune tolerance. As dysregulated Treg responses contribute to disease pathogenesis, novel approaches to target the immunomodulatory functions of Tregs are currently under investigation. mTORC1 and mTORC2 are therapeutic targets of interest. Recent studies revealed that mTOR signaling impacts conventional T-cell homeostasis, activation and differentiation. Moreover, mTOR controls the differentiation and functions of Tregs, suggesting that its activity could be targeted to modulate Treg responses. Here, we summarize how Tregs suppress immune responses, their roles in disease development and methods used to alter their functions therapeutically. We also discuss the diverse effects exerted by mTOR inhibition on the development, homeostasis, and functions of conventional T cells and Tregs. We conclude with a discussion of how modulation of mTOR activity in Tregs may be therapeutically beneficial or detrimental in different disease settings.

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  • Pharmacological agents that modulate mTOR signaling, including rapamycin, have emerged as promising candidates for restoring immune tolerance and reducing inflammation in chronic liver disease.

    “Consequently, pharmacological agents that modulate mTOR signaling, including rapamycin, have emerged as promising candidates for restoring immune tolerance and reducing inflammation in chronic liver disease (Chapman and Chi 2014).”

    From The double-edged sword of regulatory T cells in MASLD: from inflammation control to fibrosis promotion (2026) · cites this paper as Chapman and Chi 2014

    The Clinical perspectives section (page unavailable) describes mTOR inhibitors, including rapamycin, as potential therapeutics and suggests that targeting mTORC1 in naive T cells may help suppress inflammation. It does not discuss chronic liver disease or establish that these agents restore immune tolerance in that setting. It also cautions that inhibiting mTORC1 in Tregs could worsen inflammation. (LLM, conf=0.88)

    Experimental — accuracy not yet measured
  • mTOR inhibition promotes the induction and maintenance of FOXP3 expression and consequential Treg cell development in humans.

    “Interestingly, mTOR inhibition has been described to promote the induction and maintenance of FOXP3 expression and consequential Treg cell development in humans41.”

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Authors
Chapman, N. M., & Chi, H.
Affiliations
St. Jude Children's Research Hospital (US)
Venue
Immunotherapy
Published
2014-12
Volume
6
Issue
12
Pages
1295-1311
ISSN
  • 1750-743X (ISSN-L)
  • 1750-7448
OpenAlex
W2139896257
Cited by
148
References
139
Citations by year
2026: 14 · 2025: 16 · 2024: 9 · 2023: 14 · 2022: 18 · 2021: 16 · 2020: 18 · 2019: 11 · 2018: 13 · 2017: 5 · 2016: 12 · 2015: 2
FWCI
0.62
Type
journal article
Language
en
Open access
Locations
  • Immunotherapy (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
US NIH ((AI101407, AI105887, CA176624 and NS064599),)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Life Sciences › Immunology and Microbiology › Immunology › Psoriasis: Treatment and Pathogenesis
  • Health Sciences › Medicine › Oncology › Cancer Immunotherapy and Biomarkers
Keywords
mTOR signaling, Foxp3+ regulatory T cells, mTORC1, mTORC2, immune tolerance, immunosuppression, Treg differentiation, conventional T cells, T cell homeostasis, mTOR inhibition, immunomodulation, Treg-targeted therapy
MeSH terms
Animals, Autoimmune Diseases, Disease Models, Animal, Homeostasis, Humans, Immune Tolerance, Immunosuppression Therapy, Neoplasms, Signal Transduction, T-Lymphocytes, Regulatory, Forkhead Transcription Factors, Immunomodulation, TOR Serine-Threonine Kinases, Molecular Targeted Therapy

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