Title : Activation of matrix metalloproteinase-2 by overexpression of manganese superoxide dismutase in human breast cancer MCF-7 cells involves reactive oxygen species.

Pub. Date : 2002 Jun 7

PMID : 11929863






6 Functional Relationships(s)
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1 Activation of matrix metalloproteinase-2 by overexpression of manganese superoxide dismutase in human breast cancer MCF-7 cells involves reactive oxygen species. Reactive Oxygen Species superoxide dismutase 2 Homo sapiens
2 We hypothesized that manganese superoxide dismutase (MnSOD) could mediate MMP-2 activity by changing the intracellular ROS level and that nitric oxide ((. Reactive Oxygen Species superoxide dismutase 2 Homo sapiens
3 We hypothesized that manganese superoxide dismutase (MnSOD) could mediate MMP-2 activity by changing the intracellular ROS level and that nitric oxide ((. Reactive Oxygen Species superoxide dismutase 2 Homo sapiens
4 Our data demonstrated that overexpression of MnSOD stimulated the activation of MMP-2 with a corresponding elevation of ROS. Reactive Oxygen Species superoxide dismutase 2 Homo sapiens
5 A decrease in ROS by ebselen, a glutathione peroxidase mimetic, or by transduction of adenovirus containing human catalase or glutathione peroxidase cDNA abolished the effect of MnSOD on MMP-2 activation. Reactive Oxygen Species superoxide dismutase 2 Homo sapiens
6 These results indicate that MnSOD induces MMP-2 activity by regulation of intracellular ROS and imply that signaling pathways involving (. Reactive Oxygen Species superoxide dismutase 2 Homo sapiens