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Tissue-resident memory T cells.

Jason M Schenkel1, David Masopust1

  • 1Department of Microbiology, University of Minnesota Medical School, Minneapolis, MN 55455, USA; Center for Immunology, University of Minnesota Medical School, Minneapolis, MN 55455, USA.

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|December 20, 2014
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Summary
This summary is machine-generated.

Tissue-resident memory T (Trm) cells reside in tissues, offering rapid protection against reinfection. This review details their unique biology, distinct from circulating T cells, and methods for their study.

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Area of Science:

  • Immunology
  • Cell Biology

Background:

  • Tissue-resident memory T (Trm) cells are a distinct lymphocyte population.
  • They reside in tissues, unlike circulating T cells.
  • Trm cells provide rapid local immune responses to encountered infections.

Purpose of the Study:

  • To summarize current knowledge on Trm cell biology.
  • To discuss Trm cell ontogeny, regulation, maintenance, and function.
  • To highlight technical challenges in studying Trm cells.

Main Methods:

  • Literature review of Trm cell research.
  • Analysis of transcriptional, phenotypic, and functional data.
  • Discussion of methodological considerations.

Main Results:

  • Trm cells are transcriptionally, phenotypically, and functionally distinct.
  • They are characterized by tissue residency and lack of recirculation.
  • Their unique properties enable accelerated pathogen clearance at body surfaces.

Conclusions:

  • Trm cells represent a critical first line of defense at barrier sites.
  • Further research is needed to fully understand and leverage Trm cell functions.
  • Standardized methods are crucial for advancing Trm cell research.