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Related Experiment Videos

Control of effector CD8+ T cell function by the transcription factor Eomesodermin.

Erika L Pearce1, Alan C Mullen, Gislâine A Martins

  • 1Abramson Family Cancer Research Institute, and Department of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA.

Science (New York, N.Y.)
|November 8, 2003
PubMed
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This summary is machine-generated.

Eomesodermin (Eomes) is a key transcription factor that helps CD8+ T cells develop effector functions. This finding is crucial for understanding cell-mediated immunity against infections and cancer.

Area of Science:

  • Immunology
  • Molecular Biology
  • Cell Biology

Background:

  • Activated CD8+ T cells are vital for immune responses against pathogens and cancer.
  • The specific transcription factors regulating CD8+ T cell effector functions are not fully understood.

Purpose of the Study:

  • To identify key regulatory transcription factors uniting effector functions in CD8+ T cells.
  • To investigate the role of Eomesodermin (Eomes) in CD8+ T cell differentiation and function.

Main Methods:

  • In vitro and in vivo studies of CD8+ T cells.
  • Analysis of Eomesodermin (Eomes) induction and expression.
  • Ectopic expression and loss-of-function experiments to assess Eomes's impact on effector functions.

Main Results:

Related Experiment Videos

  • Eomesodermin (Eomes) is induced in effector CD8+ T cells.
  • Ectopic Eomes expression confers attributes of effector CD8+ T cells, including IFN-gamma, perforin, and granzyme B production.
  • Loss of Eomes function impairs full effector CD8+ T cell differentiation.

Conclusions:

  • Eomesodermin (Eomes) acts as a key regulatory gene in CD8+ T cell effector differentiation.
  • Eomes likely complements T-bet in orchestrating cell-mediated immunity.