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mTOR and its tight regulation for iNKT cell development and effector function.

Wei Yang1, Balachandra Gorentla2, Xiao-Ping Zhong2

  • 1Department of Medicine, University of California Irvine, Irvine, CA 92868, United States.

Molecular Immunology
|August 9, 2015
PubMed
Summary

Invariant natural killer T (iNKT) cells are crucial immune responders. This review explores how the mammalian target of rapamycin (mTOR) pathway regulates iNKT cell development, differentiation, and function.

Keywords:
CARMA1Diacylglycerol kinasesPTENRaptorRasRasGRP1RictorSignal transductionTSC1/2iNKT celliNKT1iNKT17iNKT2mTOR

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Area of Science:

  • Immunology
  • Cell Biology

Background:

  • Invariant natural killer T (iNKT) cells possess unique T cell receptor (TCR) Vα14Jα18 structures, recognizing lipid antigens.
  • These cells rapidly produce cytokines upon stimulation, influencing innate and adaptive immunity.
  • iNKT cells are involved in host defense, anti-tumor immunity, and various diseases like asthma and obesity.

Purpose of the Study:

  • To review the critical role of the mammalian target of rapamycin (mTOR) pathway in iNKT cell biology.
  • To elucidate how mTOR signaling impacts iNKT cell development, effector lineage differentiation, and overall function.

Main Methods:

  • This is a review article, synthesizing existing research on mTOR and iNKT cells.
  • Literature search and analysis of studies investigating mTOR signaling in immune cells, particularly iNKT cells.

Main Results:

  • Emerging evidence highlights the significant role of mTOR in regulating iNKT cell activities.
  • mTOR signaling is essential for proper iNKT cell development and functional differentiation.
  • Dysregulation of mTOR can impact iNKT cell-mediated immune responses.

Conclusions:

  • The mammalian target of rapamycin (mTOR) pathway is a key regulator of invariant natural killer T (iNKT) cell biology.
  • Understanding mTOR's control over iNKT cells offers insights into immune responses and potential therapeutic strategies for related diseases.