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The mammalian target of rapamycin or mTOR protein was discovered in 1994 due to its direct interaction with rapamycin. The protein gets its name from a yeast homolog called TOR. The mTOR protein complex in mammalian cells plays a major role in balancing anabolic processes such as the synthesis of proteins, lipids, and nucleotides and catabolic processes, such as autophagy in response to environmental cues, such as availability of nutrients and growth factors.
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Measuring Mitochondrial Function of Na&#239;ve and Effector CD8 T Cells
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mTOR, linking metabolism and immunity.

Xiaojin Xu1, Lilin Ye, Koichi Araki

  • 1Emory Vaccine Center and Department of Microbiology and Immunology, Emory University School of Medicine, Atlanta, GA 30322, USA.

Seminars in Immunology
|January 29, 2013
PubMed
Summary
This summary is machine-generated.

The mechanistic target of rapamycin (mTOR) kinase is crucial for immune cell function and metabolism. Understanding mTOR signaling can improve immunotherapies and vaccines for cancer and infections.

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Area of Science:

  • Immunology
  • Cell Biology
  • Metabolism

Background:

  • The mechanistic target of rapamycin (mTOR) is a key regulator of cell growth and metabolism, conserved across evolution.
  • mTOR integrates signals from the immune microenvironment, coordinating immune cell functions and metabolism.
  • mTOR plays distinct roles in CD4 and CD8 T cells, influencing effector differentiation and memory programming.

Purpose of the Study:

  • To review recent advances in understanding mTOR signaling in immunity.
  • To focus on the mechanisms by which mTOR regulates cellular and humoral immunity.
  • To highlight the potential of manipulating mTOR for therapeutic applications.

Main Methods:

  • Literature review of recent studies on mTOR in immunology.
  • Synthesis of findings on mTOR's role in T cell differentiation and function.
  • Discussion of mTOR's impact on cellular and humoral immune responses.

Main Results:

  • mTOR influences CD8 T cell commitment to effector or memory fates.
  • mTOR integrates environmental cues to direct CD4 T cell effector differentiation.
  • mTOR signaling is central to coordinating immune cell metabolism and function.

Conclusions:

  • Further elucidation of mTOR mechanisms in immunity is essential.
  • Targeting mTOR signaling offers potential for enhancing immune therapies and vaccines.
  • Manipulating mTOR can direct immune cell functions for treating infections and cancer.