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- W3118562156 abstract "Abstract In the present study, we demonstrate the coaction of thioredoxin and glutathione (GSH) systems in mouse liver against iron overload‐induced oxidative stress (OS). Mice were injected intraperitoneally with an iron dextran solution twice a week for 3 weeks. Iron accumulation in mouse liver was demonstrated spectroscopically. To confirm the iron overload model in the liver, the increased gene expression levels of hepcidin ( Hamp ), ferroportin ( Fpn1 ), and ferritin ( Fth1 ), which regulate iron trafficking, were observed by a quantitative polymerase chain reaction. In the case of iron overload, the GSH level and the reduced glutathione/oxidized glutathione ratio, which represents a marker of OS, decreased significantly. An increase in the malondialdehyde level, one of the final products of the lipid peroxidation process, was observed. The gene expression of the thioredoxin system, including thioredoxin ( Trx1 ) and thioredoxin reductase ( TrxR1 ), was examined. Though TrxR1 expression decreased, no changes were observed in Trx1 . The enzyme activity and semiquantitative protein expression of TRXR1 increased. The activity of GSH reductase and GSH peroxidase increased in the iron overload group. The gene and protein expressions of thioredoxininteracting protein, which is an indicator of the commitment of the cell to apoptosis, were elevated significantly. The increased protein expression of Bcl‐2‐related X protein and CASPASE‐3, which is an indicator of apoptosis, increased significantly. In conclusion, excess iron accumulation in mouse liver tissue causes OS, which affects the redox state of the thioredoxin and GSH systems, inducing cell apoptosis and also ferroptosis due to increased lipid peroxidation and the depletion of GSH level." @default.
- W3118562156 created "2021-01-18" @default.
- W3118562156 creator A5008589264 @default.
- W3118562156 creator A5044153414 @default.
- W3118562156 creator A5075297645 @default.
- W3118562156 date "2021-01-03" @default.
- W3118562156 modified "2023-10-18" @default.
- W3118562156 title "Coaction of hepatic thioredoxin and glutathione systems in iron overload‐induced oxidative stress" @default.
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- W3118562156 doi "https://doi.org/10.1002/jbt.22704" @default.
- W3118562156 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/33393188" @default.
- W3118562156 hasPublicationYear "2021" @default.
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