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TOR in the immune system.

Koichi Araki1, Ali H Ellebedy, Rafi Ahmed

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Summary
This summary is machine-generated.

Target of rapamycin (TOR) inhibition impacts immune cells, affecting T cell differentiation and potentially extending lifespan. This review explores TOR

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Area of Science:

  • Immunology
  • Cell Biology
  • Aging Research

Background:

  • The target of rapamycin (TOR) pathway is a central regulator of cellular processes, including immune cell function.
  • TOR signaling influences the differentiation of various immune cell subsets, including CD4 T cells.
  • Paradoxical effects of TOR inhibition on immune cells have been observed, impacting both immunosuppression and immunostimulation.

Purpose of the Study:

  • To review recent findings on the modulation of innate and adaptive immune responses by the target of rapamycin (TOR) pathway.
  • To discuss the potential applications of regulating TOR signaling for promoting longer and healthier immunity.

Main Methods:

  • Literature review of recent studies on TOR pathway modulation in immune responses.
  • Analysis of the effects of TOR inhibition on T cell differentiation, dendritic cells, and hematopoietic stem cells.
  • Examination of the link between TOR-mediated immune modulation and lifespan extension.

Main Results:

  • TOR inhibition can suppress effector and regulatory CD4 T cell differentiation.
  • Paradoxically, TOR inhibition promotes the generation of long-lived memory CD8 T cells.
  • Beneficial effects of TOR inhibition are also noted in dendritic cells and hematopoietic stem cells, contributing to lifespan extension in mice.

Conclusions:

  • TOR signaling plays a complex role in regulating both innate and adaptive immunity.
  • Modulating TOR activity presents potential therapeutic strategies for enhancing immune health and longevity.
  • Further research into TOR's impact on immune responses could lead to novel interventions for age-related diseases.