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Researchers investigate how oxygen radicals protect against cancer Originally, oxygen radicals - reactive oxygen species, or ROS for short - were considered to be exclusively harmful in the body. They are produced, for example, by smoking or UV radiation. Because of their high reactivity, they can damage many important molecules in cells, including the hereditary molecule DNA. As a result, there is a risk of inflammatory reactions and the degeneration of affected cells into cancer cells. Because of their damaging effect, however, ROS are also deliberately produced by the body, for example by immune or lung epithelial cells, which destroy invading bacteria and viruses with ROS. This requires relatively high ROS concentrations.

Katrin schrEmily hendersonResearchers at goethe university frankfurtGoethe university frankfurtProfessor katrin schrGoethe universityCell nucleusDna damageஎமிலி ஹென்டர்சன்கோதீ பல்கலைக்கழகம் பிராங்க்ஃபர்ட்கோதீ பல்கலைக்கழகம்