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Related Concept Videos

T Cell Activation and Clonal Selection01:22

T Cell Activation and Clonal Selection

T cells are integral to our adaptive immune system, recognizing and effectively responding to foreign antigens. T cell activation and clonal selection are pivotal in orchestrating this immune response. This article elucidates these mechanisms, detailing the roles of cluster of differentiation (CD) markers, major histocompatibility complex (MHC) molecules, costimulatory signals, and the process of clonal selection.
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Cytotoxic T cells are a vital component of the immune system. They have the remarkable ability to identify and target antigens on infected or abnormal cells. These antigens often originate from intracellular pathogens such as viruses or abnormal proteins cancer cells produce.
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Related Experiment Video

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CD8+ T cells: GITR matters.

Simona Ronchetti1, Giuseppe Nocentini, Maria Grazia Petrillo

  • 1Dipartimento di Medicina Clinica e Sperimentale, Sezione di Farmacologia, Tossicologia e Chemioterapia, Università di Perugia, Via del Giochetto, 06100 Perugia, Italy.

Thescientificworldjournal
|June 2, 2012
PubMed
Summary
This summary is machine-generated.

Glucocorticoid-induced TNFR-related gene (GITR) is vital for CD8(+) T cell immune responses against viruses and tumors. Recent studies highlight GITR's critical role in various mouse disease models, underscoring its importance in cellular immunity.

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Area of Science:

  • Immunology
  • Molecular Biology
  • Cell Biology

Background:

  • Glucocorticoid-induced TNFR-related gene (GITR) belongs to the tumor necrosis factor receptor superfamily.
  • GITR plays significant roles within the immune system, particularly in T cell function.
  • CD8(+) T cells are crucial for anti-viral and anti-tumor immunity.

Purpose of the Study:

  • To elucidate the function of GITR specifically in CD8(+) T cells.
  • To review recent research on GITR's role in CD8(+) T cell-mediated immunity.
  • To highlight GITR's significance in preclinical mouse disease models.

Main Methods:

  • Review of recent scientific literature focusing on GITR and CD8(+) T cells.
  • Analysis of studies investigating GITR's impact on immune responses in mouse models.
  • Synthesis of data from various research papers to consolidate findings.

Main Results:

  • GITR is demonstrated to be essential for CD8(+) T cells to initiate effective immune responses.
  • Numerous studies in mouse models show GITR's crucial involvement in disease pathogenesis and resolution.
  • GITR signaling enhances CD8(+) T cell activation, proliferation, and effector functions.

Conclusions:

  • GITR is a key regulator of CD8(+) T cell immunity.
  • Targeting GITR may offer therapeutic potential for infectious diseases and cancer.
  • Further research into GITR function in CD8(+) T cells is warranted for translational applications.