alexa Metal sulfate-mediated induction of pathogenic genes and repression by phenyl butyl nitrone and Feralex-G.


Journal of Alzheimers Disease & Parkinsonism

Author(s): Kruck TP, Percy ME, Lukiw WJ

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Abstract Neurotoxic metal-induced oxidative damage to nervous tissue has been implicated in several progressive neurodegenerative disorders including Alzheimer's disease. In this study, using human brain cells in primary culture, the quenching of metal sulfate-induced reactive oxygen species (ROS) and ROS-sensitive gene expression was studied using the antioxidants ascorbate, folic acid, phenyl butyl nitrone and the chelators desferrioxamine and Feralex-G. Antioxidants ascorbate, folic acid, phenyl butyl nitrone, desferrioxamine or Feralex-G were found to quench ROS and cPLA2 and COX-2 gene induction to various degrees, and a synergism was observed when certain combinations of them were used. These findings support the idea that specific antioxidants and metal ion chelators when used together can effectively and synergistically quench ROS-mediated induction of pathogenic gene expression. This article was published in Neuroreport and referenced in Journal of Alzheimers Disease & Parkinsonism

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