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Updated: Aug 19, 2026

The Cell-based L-Glutathione Protection Assays to Study Endocytosis and Recycling of Plasma Membrane Proteins
Published on: December 13, 2013
Glutathione in Tetrahymena thermophila
1Institute of Biochemistry, University of Heidelberg, Federal Republic of Germany.
Abstract:
In Tetrahymena, glutathione is synthesized from the same precursors as it is in higher animals and is present in similar intracellular concentrations. The intracellular thiol-disulfide ratio is also identical to that of mammalian tissues, due to the activity of glutathione reductase. The intracellular GSH-level was found to be dependent on the sulfur-containing amino acids in the chemically defined medium.
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