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Glutathione increases interleukin-2 production in human lymphocytes
G Chen1, S H Wang, C A Converse
1University of Glasgow, Department of Medicine, Royal Infirmary, U.K.
International Journal of Immunopharmacology
|September 1, 1994
Summary
Glutathione (GSH) boosts interleukin-2 (IL-2) production in human lymphocytes by increasing intracellular GSH levels. This suggests GSH regulates immune responses through IL-2 synthesis.
Area of Science:
- Immunology
- Cell Biology
- Biochemistry
Background:
- Glutathione (GSH) is known to influence various aspects of the immune system.
- Interleukin-2 (IL-2) is a critical cytokine for immune cell function.
Purpose of the Study:
- To investigate the effect of exogenous glutathione (GSH) on interleukin-2 (IL-2) production from normal human peripheral blood lymphocytes (PBL).
Main Methods:
- Human peripheral blood lymphocytes (PBL) were incubated with exogenous GSH or 2-mercaptoethanol (2-ME).
- Intracellular GSH levels and IL-2 production were measured.
- Correlation between intracellular GSH and IL-2 concentrations was analyzed.
Main Results:
- Both exogenous GSH and 2-ME significantly increased intracellular GSH levels in PBL.
- IL-2 production from PBL was markedly increased in the presence of exogenous GSH or 2-ME.
- A positive correlation was observed between intracellular GSH levels and IL-2 concentrations.
Conclusions:
- Exogenous GSH and 2-ME enhance intracellular GSH levels, leading to increased IL-2 production in vitro.
- Glutathione (GSH) may play a role in regulating immune responses through the modulation of IL-2 synthesis.