Generation of reactive oxygen species by human mesothelioma cells
1999
Reactive Oxygen Species in Mesothelioma Cells
publication
Author Information
Author(s): Kahlos K, Pitkänen S, Hassinen I, Linnainmaa K, Kinnula V L
Primary Institution: University of Oulu
Hypothesis
The increase of MnSOD in the mitochondria of mesothelioma cells may alter the free radical levels of these organelles.
Conclusion
Mitochondrial superoxide levels are lower in mesothelioma cells compared to nonmalignant mesothelial cells due to higher MnSOD activity.
Supporting Evidence
- MnSOD activity was 20 times higher in mesothelioma cells than in mesothelial cells.
- Mitochondrial superoxide levels were significantly lower (72%) in mesothelioma cells compared to mesothelial cells.
- Oxidant production did not differ significantly between mesothelioma and mesothelial cells.
Takeaway
Mesothelioma cells have a special protein that helps them manage harmful substances better than normal cells, which keeps them healthier.
Methodology
MnSOD activity was compared between mesothelioma and mesothelial cells, and superoxide production was measured in isolated mitochondria and intact cells.
Digital Object Identifier (DOI)
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