Title : Methotrexate-related response on human peripheral blood mononuclear cells may be modulated by the Ala16Val-SOD2 gene polymorphism.

Pub. Date : 2014

PMID : 25330300






8 Functional Relationships(s)
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1 Methotrexate-related response on human peripheral blood mononuclear cells may be modulated by the Ala16Val-SOD2 gene polymorphism. Methotrexate superoxide dismutase 2 Homo sapiens
2 Therefore, we analyzed here whether a genetic imbalance of the manganese-dependent superoxide dismutase (SOD2) gene could have some impact on the MTX cytotoxic response. Methotrexate superoxide dismutase 2 Homo sapiens
3 AA-PBMCs that present higher SOD2 efficiencies were more resistance to high MTX doses (10 and 100 microM) than were the VV and AV genotypes. Methotrexate superoxide dismutase 2 Homo sapiens
4 The AA-PBMCs exposed to MTX showed decreasing SOD2 activity, but a concomitant up regulation of the SOD2 gene was observed. Methotrexate superoxide dismutase 2 Homo sapiens
5 The AA-PBMCs exposed to MTX showed decreasing SOD2 activity, but a concomitant up regulation of the SOD2 gene was observed. Methotrexate superoxide dismutase 2 Homo sapiens
6 Caspase-8 and -3 levels were increased in cells exposed to MTX, but the modulation of these genes, as well as that of the Bax and Bcl-2 genes involved in the apoptosis pathway, presented a modulation that was dependent on the SOD2 genotype. Methotrexate superoxide dismutase 2 Homo sapiens
7 MTX at a concentration of 10 microM also increased inflammatory cytokines (IL-1beta, IL-6, TNFalpha and Iggamma) and decreased the level of IL-10 anti-inflammatory cytokine, independent of SOD2 genetic background. Methotrexate superoxide dismutase 2 Homo sapiens
8 The results suggest that potential pharmacogenetic effect on the cytotoxic response to MTX due differential redox status of cells carriers different SOD2 genotypes. Methotrexate superoxide dismutase 2 Homo sapiens