Title : Oxidants induce transcriptional activation of manganese superoxide dismutase in glomerular cells.

Pub. Date : 1994 Aug

PMID : 7967352






5 Functional Relationships(s)
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1 Mesangial cells treated with 10 to 100 microM H2O2 for 24 hours showed a two- to ninefold increase in Mn-SOD mRNA expression associated with significantly (P < 0.005) increased Mn-SOD activity (22.2 +/- 1.2 and 12.2 +/- 0.7 mu/mg protein for H2O2 100 microM treated and untreated cells, respectively). Hydrogen Peroxide superoxide dismutase 2 Rattus norvegicus
2 Mesangial cells treated with 10 to 100 microM H2O2 for 24 hours showed a two- to ninefold increase in Mn-SOD mRNA expression associated with significantly (P < 0.005) increased Mn-SOD activity (22.2 +/- 1.2 and 12.2 +/- 0.7 mu/mg protein for H2O2 100 microM treated and untreated cells, respectively). Hydrogen Peroxide superoxide dismutase 2 Rattus norvegicus
3 Mesangial cells treated with 10 to 100 microM H2O2 for 24 hours showed a two- to ninefold increase in Mn-SOD mRNA expression associated with significantly (P < 0.005) increased Mn-SOD activity (22.2 +/- 1.2 and 12.2 +/- 0.7 mu/mg protein for H2O2 100 microM treated and untreated cells, respectively). Hydrogen Peroxide superoxide dismutase 2 Rattus norvegicus
4 Induction of Mn-SOD mRNA by H2O2 was inhibited by actinomycin-D (4 microM) treatment. Hydrogen Peroxide superoxide dismutase 2 Rattus norvegicus
5 Mesangial and epithelial cells transfected with pGL2P (-806:+408) and treated with H2O2 (100 microM and 1 mM for mesangial and epithelial cells, respectively) demonstrated some threefold increase in luciferase activity, whereas cells transfected with pGL2P lacking the Mn-SOD fragment did not show changes in luciferase activity following H2O2 treatment. Hydrogen Peroxide superoxide dismutase 2 Rattus norvegicus