Related Experiment Video
Updated: Mar 4, 2026

06:07
Measuring Mitochondrial Function of Naïve and Effector CD8 T Cells
Published on: March 28, 2025
1.2K
Caught in the cROSsfire: GSH Controls T Cell Metabolic Reprogramming
Ramon I Klein Geltink1, David O'Sullivan1, Erika L Pearce1
1Department of Immunometabolism, Max Planck Institute of Immunobiology and Epigenetics, 79108 Freiburg, Germany.
Immunity
|April 20, 2017
Summary
The antioxidant glutathione (GSH) regulates reactive oxygen species (ROS) to control cellular metabolism. This metabolic rewiring is essential for mounting protective T cell responses crucial for immunity.
Area of Science:
- Immunology
- Cellular Metabolism
- Biochemistry
Background:
- T cell activation and proliferation are vital for adaptive immunity.
- Cellular metabolism must be appropriately rewired to support T cell functions.
- Reactive oxygen species (ROS) play a role in T cell signaling.
Purpose of the Study:
- To investigate the role of glutathione (GSH) in regulating T cell metabolism.
- To elucidate the mechanism by which GSH influences ROS-dependent signaling pathways in T cells.
- To understand how metabolic control by GSH contributes to protective T cell responses.
Main Methods:
- Analysis of glutathione levels in activated T cells.
- Measurement of reactive oxygen species (ROS) production.
- Assessment of metabolic pathway activity.
- Studies on T cell proliferation and function.
Main Results:
- Glutathione (GSH) levels are modulated during T cell activation.
- GSH controls the levels of reactive oxygen species (ROS) within T cells.
- ROS-dependent metabolic signaling pathways are regulated by GSH.
- Appropriate metabolic rewiring mediated by GSH is critical for protective T cell responses.
Conclusions:
- Glutathione (GSH) acts as a key regulator of T cell metabolism.
- The antioxidant function of GSH influences ROS levels, impacting T cell signaling.
- Metabolic control by GSH is essential for generating effective T cell-mediated immunity.
Related Concept Videos
T Cell Activation and Clonal Selection
16.8K
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.
Naive T cells that have not yet encountered an antigen express two primary CD...
Naive T cells that have not yet encountered an antigen express two primary CD...
16.8K
Regulation of Metabolism
12.0K
Cellular needs and conditions vary from cell to cell and change within individual cells over time. For example, the required enzymes and energetic demands of stomach cells are different from those of fat storage cells, skin cells, blood cells, and nerve cells. Furthermore, a digestive cell works much harder to process and break down nutrients during the time that closely follows a meal compared with many hours after a meal. As these cellular demands and conditions vary, so do the amounts and...
12.0K
Regulation of Hematopoietic Stem Cells
4.2K
All blood and immune cells are produced from the multipotent hematopoietic stem cells (HSCs) by the process of hematopoiesis. However, they all have a limited life span. In addition, many are depleted in immune surveillance or combatting an injury or infection. This makes blood one of the most regenerative tissues. Hematopoiesis helps replenish these blood and immune cells, restoring the body's normal functioning. However, overproduction of blood and immune cells can make them cancerous or...
4.2K
TGF - β Signaling Pathway
10.8K
The TGF-β signaling pathway regulates cell growth, differentiation, adhesion, motility, and development. TGF-β ligands that induce TGF-β signaling are synthesized in their latent form. Several proteases or cell surface receptors such as integrins act upon the latent form, releasing the active ligand. There are three types of mammalian TGF-βs: (TGF-β1, TGF-β2, and TGF-β3) that bind as homodimers or heterodimers to TGF-β receptors. The TGF-β receptors...
10.8K
B Cell Activation and Differentiation
17.4K
The adaptive immune response, a sophisticated defense mechanism, relies on the activation and differentiation of B lymphocytes, or B cells. These processes enable our bodies to mount a tailored response against specific pathogens such as bacteria, free virus particles, toxins, and parasites.
When naive B cells encounter a specific antigen that can bind to the B cell receptor (BCR) on their surface, they undergo sensitization to respond to the antigen's presence. Sensitization begins with...
When naive B cells encounter a specific antigen that can bind to the B cell receptor (BCR) on their surface, they undergo sensitization to respond to the antigen's presence. Sensitization begins with...
17.4K

