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Antioxidant defenses are an important part of adaptation to environmental stress for many organisms. This study analyzed responses to dehydration stress by manganese-dependent superoxide dismutase (MnSOD) and catalase, and the role of forkhead box class O type 1 (FoxO1) transcription factor in regulating their up-regulation, in selected tissues of the African clawed frogs, Xenopus laevis. Protein...
The glutathione S-transferase (GST) and aldo-keto reductase (AKR) families of proteins are major groups of detoxifying enzymes that are known to be regulated by the NF-E2 related factor 2 (Nrf2) transcription factor via the antioxidant response element that is present in the promoter regions of GST and AKR genes. Expression of Nrf2, GST and AKR proteins was analyzed in the African clawed frog, Xenopus...
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