Cited by 801Immune Response and InflammationPI3K/AKT/mTOR signaling in cancerNF-κB Signaling Pathways

The TSC-mTOR Signaling Pathway Regulates the Innate Inflammatory Response

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Weichhart, Thomas, Costantino, Giuseppina, Poglitsch, Marko, Rosner, Margit, Zeyda, Maximilian, Stuhlmeier, Karl M., Kolbe, Thomas, Stulnig, Thomas M. +4 more·2008·Immunity

Abstract

The innate inflammatory immune response must be tightly controlled to avoid damage to the host. Here, we showed that the tuberous sclerosis complex-mammalian target of rapamycin (TSC-mTOR) pathway regulated inflammatory responses after bacterial stimulation in monocytes, macrophages, and primary dendritic cells. Inhibition of mTOR by rapamycin promoted production of proinflammatory cytokines via the transcription factor NF-kappaB but blocked the release of interleukin-10 via the transcription factor STAT3. Conversely, deletion of TSC2, the key negative regulator of mTOR, diminished NF-kappaB but enhanced STAT3 activity and reversed this proinflammatory cytokine shift. Rapamycin-hyperactivated monocytes displayed a strong T helper 1 (Th1) cell- and Th17 cell-polarizing potency. Inhibition of mTOR in vivo regulated the inflammatory response and protected genetically susceptible mice against lethal Listeria monocytogenes infection. These data identify the TSC2-mTOR pathway as a key regulator of innate immune homeostasis with broad clinical implications for infectious and autoimmune diseases, vaccination, cancer, and transplantation.

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Registry

Crossref · 10.1016/j.immuni.2008.08.012

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  • Rapamycin enhances expression of IL-6.

    “However, rapamycin has also been observed to enhance expression of IL-6176-178 which is associated with poor COVID-19 outcomes, and patients with type 2 diabetes and COVID-19 had significantly increased mortality rates when receiving insulin treatment during the course of their hospitilization179.”

    From SARS-CoV-2, COVID-19 and the aging immune system (2021) · cites this paper as [178]

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Authors
Weichhart, T., Costantino, G., Poglitsch, M., Rosner, M., Zeyda, M., Stuhlmeier, K. M., Kolbe, T., Stulnig, T. M., Hörl, W. H., Hengstschläger, M., Müller, M., & Säemann, M. D.
Affiliations
  • University of Vienna (AT)
  • Medical University of Vienna (AT)
Corresponding author
Säemann, Marcus D.
Venue
Immunity
Publisher
Elsevier BV
Published
2008-10
Volume
29
Issue
4
Pages
565-577
ISSN
1074-7613 (ISSN-L)
OpenAlex
W2020920210
Cited by
801
References
49
Citations by year
2026: 26 · 2025: 29 · 2024: 29 · 2023: 39 · 2022: 43 · 2021: 51 · 2020: 61 · 2019: 52 · 2018: 39 · 2017: 53 · 2016: 58 · 2015: 56 · 2014: 49 · 2013: 54 · 2012: 43
FWCI
16.34
Type
journal article
Language
en
Open access
Locations
  • Immunity (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › PI3K/AKT/mTOR signaling in cancer
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › NF-κB Signaling Pathways
Keywords
tuberous sclerosis complex, mTOR, TSC2, innate immunity, inflammation, monocytes, macrophages, dendritic cells, NF-κB, STAT3, IL-10, inflammatory cytokines, Th1 polarization, Th17 polarization, Listeria monocytogenes infection, bacterial infection, immune homeostasis
MeSH terms
Tuberous Sclerosis Complex 2 Protein, Animals, Anti-Bacterial Agents, Female, Humans, Immunity, Innate, Inflammation, Lipopolysaccharides, Listeriosis, Listeria monocytogenes, Mice, Inbred BALB C, Monocytes, Protein Kinases, Tuberous Sclerosis, Signal Transduction, Cytokines, NF-kappa B, Mice, Knockout, Th1 Cells, Sirolimus, Tumor Suppressor Proteins, STAT3 Transcription Factor, Mice, TOR Serine-Threonine Kinases

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