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Voluntary Exercise Prevents Oxidative Stress in the Brain of Phenylketonuria Mice.


ABSTRACT: BACKGROUND:High phenylalanine levels in phenylketonuria (PKU) have been associated with brain oxidative stress and amino acid imbalance. Exercise has been shown to improve brain function in hyperphenylalaninemia and neurodegenerative diseases. This study aimed to verify the effects of exercise on coordination and balance, plasma and brain amino acid levels, and brain oxidative stress markers in PKU mice. METHODS:Twenty wild-type (WT) and 20 PAH(enu2) (PKU) C57BL/6 mice were placed in cages with (exercise, Exe) or without (sedentary, Sed) running wheels during 53 days. At day 43, a balance beam test was performed. Plasma and brain were collected for analyses of amino acid levels and the oxidative stress parameters superoxide dismutase (SOD) activity, sulfhydryl and reduced glutathione (GSH) contents, total radical-trapping antioxidant potential (TRAP), and total antioxidant reactivity (TAR). RESULTS:SedPKU showed poor coordination (p?

SUBMITTER: Mazzola PN 

PROVIDER: S-EPMC5580734 | biostudies-literature | 2016

REPOSITORIES: biostudies-literature

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Voluntary Exercise Prevents Oxidative Stress in the Brain of Phenylketonuria Mice.

Mazzola Priscila Nicolao PN   Bruinenberg Vibeke V   Anjema Karen K   van Vliet Danique D   Dutra-Filho Carlos Severo CS   van Spronsen Francjan J FJ   van der Zee Eddy A EA  

JIMD reports 20151007


<h4>Background</h4>High phenylalanine levels in phenylketonuria (PKU) have been associated with brain oxidative stress and amino acid imbalance. Exercise has been shown to improve brain function in hyperphenylalaninemia and neurodegenerative diseases. This study aimed to verify the effects of exercise on coordination and balance, plasma and brain amino acid levels, and brain oxidative stress markers in PKU mice.<h4>Methods</h4>Twenty wild-type (WT) and 20 PAH(enu2) (PKU) C57BL/6 mice were placed  ...[more]

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