ArticleNutrients2025
Glutathione Contributes to Caloric Restriction-Triggered Shift in Taurine Homeostasis.
Article in Nutrients, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Caloric Restriction and Dietary Taurine Regulate Taurine Homeostasis Through Distinct Tissue-Specific Mechanisms in Mice.Molecular nutrition & food research · 2026Article
- Low-frequency ultrasound-assisted preparation of taurine-loaded nanoemulsion and its preservative effect on fresh-cut pitaya.Frontiers in nutrition · 2026Article
- Comparative analysis of dietary fiber impact on bile acid metabolism and gut microbiota composition in mice.Npj gut and liver · 2025Article
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Authors and funding
7 authors.
Funding
Abstract
BACKGROUND/
objectivesPreviously, we found that caloric restriction (CR) in mice increases taurine levels by stimulating hepatic synthesis, secretion into the intestine and deconjugation of taurine-conjugated bile acids (BA). Subsequently, in the intestine, taurine conjugates various molecules, including glutathione (GSH). The current study explores the mechanisms behind forming taurine-GSH conjugate and its consequences for taurine, other taurine conjugates, and BA in order to improve understanding of their role in CR.
methodsThe non-enzymatic conjugation of taurine and GSH was assessed and the uptake of taurine, GSH, and taurine-GSH was verified in five sections of the small intestine. Levels of taurine, gavaged
resultsThe CR-related increase in taurine in intestinal mucosa was accompanied by the uptake and distribution of taurine towards selected organs. A unique composition of taurine conjugates characterized each tissue. Although taurine-GSH conjugate could be formed in non-enzymatic reactions, GST activity contributed to taurine-related CR outcomes. Upon SLC6A6 and GST inhibition, the taurine-related parameters were affected mainly in the ileum rather than the liver. Meanwhile, BA levels were somewhat affected by GST inhibition in the ileum and in the liver by SLC6A6 inhibitor.
conclusionsThe discovered CR phenotype involves a regulatory network that adjusts taurine and BA homeostasis. GSH supports these processes by conjugating taurine, impacting taurine uptake from the intestine and its availability to form other types of conjugates.
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