ArticleEuropean journal of nutrition2016
Experimental colitis and malnutrition differentially affect the metabolism of glutathione and related sulfhydryl metabolites in different tissues.
Article in European journal of nutrition, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 1 of them a synthesis that pooled it.
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Who cites it
6 citing papers in PubMed, 1 synthesis or guideline pooled it, 11 citations in OpenAlex.
- Translational Potential of Metabolomics on Animal Models of Inflammatory Bowel Disease-A Systematic Critical Review.International journal of molecular sciences · 2020Pooled it
- A New Gold(III) Complex, TGS 703, Shows Potent Anti-Inflammatory Activity in Colitis via the Enzymatic and Non-Enzymatic Antioxidant System-An In Vitro, In Silico, and In Vivo Study.International journal of molecular sciences · 2023Article
- Luteolin alleviates ulcerative colitis in rats via regulating immune response, oxidative stress, and metabolic profiling.Open medicine (Warsaw, Poland) · 2023Article
- The Molecular Mechanisms of Defective Copper Metabolism in Diabetic Cardiomyopathy.Oxidative medicine and cellular longevity · 2022Review
- Malnutrition, poor post-natal growth, intestinal dysbiosis and the developing lung.Journal of perinatology : official journal of the California Perinatal Association · 2021Review
- Trioxolone Methyl, a Novel Cyano Enone-Bearing 18βH-Glycyrrhetinic Acid Derivative, Ameliorates Dextran Sulphate Sodium-Induced Colitis in Mice.Molecules (Basel, Switzerland) · 2020Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeInflammatory bowel diseases (IBD) are characterized by severe inflammation within the gastrointestinal (GI) tract. This inflammation is known to drive the catabolism of protein in the affected tissue and modulate systemic protein metabolism. Yet despite the established increase in oxidative stress and changes in protein catabolism, little is known as to the effects of IBD on metabolism of glutathione (GSH) and related metabolites. The aim of this study was to conduct a comprehensive analysis of the response of GSH and related sulfhydryl metabolites to malnutrition and GI inflammation. We hypothesized that the inflammatory stress of colitis would decrease the concentration and the synthesis of GSH in various tissues of well-nourished piglets. Additionally, the superimposition of malnutrition on colitis would further decrease glutathione status.
methodsHealthy, well-nourished piglets were compared to those receiving dextran sulphate sodium-induced, a macronutrient-restricted diet or both. The synthesis of GSH was determined by primed constant infusion of [(15)N,(13)C2]glycine and tandem mass spectrometry analysis. Additionally, the concentrations of GSH and related sulfhydryl metabolites were also determined by UHPLC-tandem mass spectrometry-a novel analytic technique.
resultsIn healthy piglets, GSH synthesis was highest in the liver, along with the concentrations of both cysteine and γ-glutamylcysteine. Piglets with colitis had decreased synthesis of GSH and decreased concentrations of GSH, cysteine and γ-glutamylcysteine in the distal colon compared to healthy controls. Additionally, there was no change with superimposition of malnutrition on colitis in the distal colon.
conclusionSynthesis and metabolism of GSH are uniquely regulated in each tissue. Colitis, independent of nutrition, compromises GSH status and the concentration of cysteine in the distal colon of piglets with GI inflammation. The techniques developed in this study have translational applications and can be scaled for use in clinical investigation of GI inflammation.
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