Regulation of copper/zinc and manganese superoxide dismutase by UVB irradiation, oxidative stress and cytokines.

Abstract

We have examined the effects of UVB irradiation, oxidative stress and cytokines on the antioxidant enzymes copper/zinc and manganese superoxide dismutase (CuZnSOD and MnSOD) in HeLa cells. A single dose of UVB irradiation regulated dose-dependently the expression of the 4 kb transcript of MnSOD although it did not have any significant effect on MnSOD… (More)

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