Title : [Effect of EGCG on H2O2-induced MnSOD gene expression in cultured spiral ganglion cells].

Pub. Date : 2004 Dec

PMID : 16114557






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1 [Effect of EGCG on H2O2-induced MnSOD gene expression in cultured spiral ganglion cells]. Hydrogen Peroxide superoxide dismutase 2 Homo sapiens
2 OBJECTIVE: To investigate the influence of EGCG on H2O2-induced gene expression of manganese superoxide dismutase (MnSOD or SOD2) in cultured spiral ganglion cells (SGCs) in vitro. Hydrogen Peroxide superoxide dismutase 2 Homo sapiens
3 OBJECTIVE: To investigate the influence of EGCG on H2O2-induced gene expression of manganese superoxide dismutase (MnSOD or SOD2) in cultured spiral ganglion cells (SGCs) in vitro. Hydrogen Peroxide superoxide dismutase 2 Homo sapiens
4 Semi-quantitative RT-PCR was applied to observe MnSOD gene expression in SGCs after H2O2 and EGCG treatment. Hydrogen Peroxide superoxide dismutase 2 Homo sapiens
5 RESULTS: The expression of MnSOD gene was up-regulated with the increase of the concentration of H2O2 in cultured SGCs, and MnSOD gene expression was significantly up-regulated at a dose of H2O2 > or =100 micromol/L. Hydrogen Peroxide superoxide dismutase 2 Homo sapiens
6 RESULTS: The expression of MnSOD gene was up-regulated with the increase of the concentration of H2O2 in cultured SGCs, and MnSOD gene expression was significantly up-regulated at a dose of H2O2 > or =100 micromol/L. Hydrogen Peroxide superoxide dismutase 2 Homo sapiens
7 RESULTS: The expression of MnSOD gene was up-regulated with the increase of the concentration of H2O2 in cultured SGCs, and MnSOD gene expression was significantly up-regulated at a dose of H2O2 > or =100 micromol/L. Hydrogen Peroxide superoxide dismutase 2 Homo sapiens
8 CONCLUSION: EGCG suppresses H2O2-induced up-regulation of MnSOD gene expression in cultured SGCs by getting rid of oxygen free radicals, reinforcing the activity of antioxidant enzymes such as MnSOD, and protects cultured SGCs from H2O2-induced oxidizing damage. Hydrogen Peroxide superoxide dismutase 2 Homo sapiens
9 CONCLUSION: EGCG suppresses H2O2-induced up-regulation of MnSOD gene expression in cultured SGCs by getting rid of oxygen free radicals, reinforcing the activity of antioxidant enzymes such as MnSOD, and protects cultured SGCs from H2O2-induced oxidizing damage. Hydrogen Peroxide superoxide dismutase 2 Homo sapiens
10 CONCLUSION: EGCG suppresses H2O2-induced up-regulation of MnSOD gene expression in cultured SGCs by getting rid of oxygen free radicals, reinforcing the activity of antioxidant enzymes such as MnSOD, and protects cultured SGCs from H2O2-induced oxidizing damage. Hydrogen Peroxide superoxide dismutase 2 Homo sapiens