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- W2953986640 abstract "We sought to evaluate the effects of maternal protein restriction (LP) on oxidative balance and transcription factors for mitochondrial biogenesis in the hearts of young female rats of both the first (F1) and second (F2) generation.We evaluated oxidative stress biomarkers (lipid peroxidation and protein oxidation), enzymatic antioxidant defense (activity of superoxide dismutase-SOD, catalase, and glutathione-S-transferase-GST), nonenzymatic antioxidant defense (reduced glutathione-GSH and sulfhydryl groups) and gene expression of AMPK, PGC-1α and TFAM.Interestingly, lipid peroxidation was decreased (49%, p < 0.001) in the LP-F1 group and 59% (p < 0.001) in LP-F2. In enzymatic defense, we observed increases in SOD activity in the LP-F1 group (79%, p = 0.036) and in CAT activity (approximately 40%, p = 0.041). GSH was increased in F2 in both groups (LP 546%, p < 0.0001 and in NP 491.7%, p < 0.0001). With respect to mitochondrial biogenesis gene transcription, we observed a decrease in AMPK (60%, p < 0. 0001) and an increase in PGC-1α (340%, p < 0.001) in LP compared to NP in the F1 generation. TFAM was decreased in LP-F2L compared to NP-F2L (42%, p = 0.0069) and increased in LP-F2 compared to LP-F1 (160%, p = 0.0037).Our study contributes to knowledge of inheritance, showing that despite the potential mitochondrial 'inheritance' of cardiovascular damage caused by maternal malnutrition, that damage is not cross-generational and can be eliminated with proper nutrition in the F1 generation." @default.
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- W2953986640 date "2019-09-01" @default.
- W2953986640 modified "2023-09-27" @default.
- W2953986640 title "Influence of maternal protein malnutrition on oxidative stress and regulators of mitochondrial biogenesis in female rat hearts over succeeding generations" @default.
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- W2953986640 doi "https://doi.org/10.1016/j.lfs.2019.116579" @default.
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