Glutathione

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In rats with kidney injury, Remdesivir worsened damage by reducing mitochondrial biogenesis and increasing cell death, especially when given subcutaneously. The findings support caution when using Remdesivir in patients with impaired kidney function.

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Caloric restriction and dietary taurine affect taurine levels through separate mechanisms in different tissues: restriction mainly influences the gut, while diet changes mainly affect the liver. Understanding these pathways could help design better nutrition strategies for health and longevity.

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In plant guard cells, reactive carbonyl species like acrolein, not just reactive oxygen, drive stomatal closure in response to isothiocyanates. Glutathione depletion was linked to these carbonyls rather than to oxygen radicals, revealing a new signaling pathway in plants.

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Higher brain glutathione levels measured by MRI were linked to better cognitive performance in older adults. The relationship between antioxidant capacity and cognition remains inconsistent across studies, so more work with standardized methods and follow-up is needed.

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A new biosensor using peptide-coated quantum dots and metal-organic frameworks can detect glutathione in cells, which is useful because tumor cells often have much higher glutathione levels than normal cells. The tool may help with cancer diagnosis and treatment targeting.

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Mushroom polysaccharides from Floccularia luteovirens reduced liver damage, inflammation, and oxidative stress in mice with alcohol-induced liver injury. The effect likely involves the NF-κB/NLRP3 pathway and boosting antioxidant enzymes like glutathione peroxidase.

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Spraying glutathione, cysteine, or glutamic acid on plants improved their ability to clean heavy metals from soil by boosting growth, photosynthesis, and antioxidant defenses. A 2 mmol/L glutathione spray gave the best results for cadmium uptake and plant health.

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Nitric oxide, delivered as S-nitrosoglutathione, delayed carotenoid buildup in ripening tomatoes by enhancing a repressor protein that turns off carotenoid genes. The finding clarifies how nitric oxide slows fruit ripening and could inform storage and breeding strategies.

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Rumen-protected biotin improved hoof health, liver function, and antioxidant status in dairy cows partly by enhancing glutathione metabolism and reducing oxidative stress. The findings support using biotin supplementation in herd nutrition to support hoof and metabolic health.

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A new oral GLP-1 receptor agonist showed strong blood-sugar-lowering effects in mice, good stability, and no glutathione trapping risk that can cause liver toxicity. The compound may offer a convenient alternative to injectable diabetes and obesity drugs.

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Plasma metabolic profiles in early Parkinson's disease point to disrupted glutathione and energy metabolism, which could support non-invasive diagnostic tests. The work aims to link peripheral metabolism and environmental factors to disease onset and progression.

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Ursolic acid protected the liver in diabetic mice with fatty liver disease by reducing oxidative stress, inflammation, and fibrosis via the NLRP3 pathway. The compound boosted antioxidant enzymes including glutathione peroxidase and may be useful for diabetes-related liver injury.

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Exposing polysorbate 80 to UV light in the presence of iron and glutathione disulfide changed its surface activity and increased its critical micelle concentration. The results highlight how light and metals can degrade surfactants used in drug formulations.

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Small thiol compounds from soy, including glutathione and cysteine peptides, broke disulfide bonds in soy protein and improved its digestibility. The approach offers a mild way to boost the nutritional quality of soy without harsh chemicals.

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Reactive acyl glucuronides from some drugs can cause liver injury by binding to proteins; glutathione helps limit this toxicity. Evaluating how these metabolites form, break down, and bind proteins may improve prediction of drug-induced liver injury.

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Aging beef for 90 days increased glutathione, taurine, and coenzyme Q10 compared to 5 days, while cooking reduced levels of these compounds. Both aging and cooking should be considered when estimating the bioactive content of beef.

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A pectin from honeysuckle stem protected insulin-producing cells from oxidative damage by boosting the glutaredoxin-glutathione system and antioxidant enzymes. The findings suggest how plant pectins may support beta-cell health in diabetes.

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Photoaged microplastics accelerated aging in worms by triggering ferroptosis and disrupting insulin signaling, with glutathione depletion playing a key role. Weathered microplastics may pose greater health risks than pristine particles.

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Magnesium lithospermate B reduced sepsis-related lung injury by blocking the harmful interaction between GPX4 and FUNDC1, which drives ferroptosis. Delivering the compound in targeted vesicles improved its effectiveness, suggesting a promising treatment strategy.

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New benzothiazole compounds showed strong antioxidant and anti-inflammatory effects in mice, reducing paw swelling and stomach ulcers while boosting glutathione and related enzymes. The compounds may be candidates for further development as anti-inflammatory or anti-ulcer drugs.

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A drug delivery platform that releases its payload in response to tumor acidity and glutathione improved photodynamic therapy for breast cancer and melanoma. Blocking CCL5-driven resistance through epigenetic protein degradation enhanced treatment effectiveness.

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Researchers identified strong promoters and terminators in yeast, including one from glutathione-S-transferase, that improved protein production. A new expression cassette increased secretion of a growth factor threefold compared to existing tools.

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CRISPR/Cas9 systems are being combined with stimuli-responsive delivery methods, including glutathione-sensitive carriers, for cancer gene therapy and diagnostics. The review highlights how gene editing can be paired with imaging for more precise cancer treatment.

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A protein called SerpinB2 helps fat tissue macrophages survive by supporting mitochondrial function. Obesity reduces SerpinB2, contributing to metabolic dysfunction, but restoring it or giving a glutathione precursor improved metabolic health in mice.

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A new molecular design produced a luminol-based emitter that detects glutathione without added coreactants, with a detection limit under 0.5 micromolar. The approach could support sensitive glutathione sensing in research and clinical settings.

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A conductive hydrogel biosensor made from thiolated pectin and titanium carbide detected glutathione in the micromolar range and could be used for continuous monitoring. The platform may help assess glutathione-related conditions such as neurodegenerative disease.