Genetic or pharmacological superoxide-hydrogen peroxide imbalances modulate the in vitro effects of lithium on glycogen synthase kinase-3β

Gene
Fernanda BarbisanIvana B M da Cruz

Abstract

Lithium (Li), a mood stabilizer used to treat bipolar disorder (BP) symptoms has important anti-inflammatory effects by downregulation of glycogen synthase kinase-3 beta (GSK-3β). However, sometime Li effect is not efficient in some patients suggesting genetic interference. Previous investigations described association between a genetic superoxide‑hydrogen (S-HP) imbalance caused by a superoxide dismutase manganese dependent gene polymorphism (Val16Ala-SOD2 SNP, rs4880) and differential anti-inflammatory response of some drugs and bioactive molecules. Therefore, we postulated here that S-HP imbalance could present some effect on GSK-3β modulation by Li. to test this hypothesis, a genetic and a pharmacological S-HP imbalance protocols were performed. In the two protocols, immune cells were activated by phythohemaglutin (PHA). The first one, used peripheral blood mononuclear cells (PBMCs) cultures carrying different Val16Ala-SOD2 genotypes, and the second used a commercial macrophage cell line RAW 264.7. Macrophages were exposed to paraquat to induce high S levels (VV-like cells) or porphyrin, that is a SOD2-like molecule that increase dismutation of S into HP (AA-like cells). In both protocols the Li effects on GSK-3β gene and p...Continue Reading

Citations

Jan 30, 2019·PloS One·Marcelo Soares FernandesIvana Beatrice Mânica da Cruz
Nov 6, 2018·SLAS Technology·Trevin KurtanichEun Ji Chung

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