Article
Polymorphisms in genes related to oxidative stress (MPO, MnSOD, CAT) and survival after treatment for breast cancer.
Cancer research - 1 Feb 2005
Ambrosone Christine B, Ahn Jiyoung, Singh Keshav K, Rezaishiraz Hamed, Furberg Helena, Sweeney Carol, Coles Brian, Trovato Andrew
Abstract excerpt
The proximate cause of cancer cell death by radiation therapy and a number of therapeutic agents is through generation of reactive oxygen species, resulting in DNA damage as well as mitochondrial membrane disruption, triggering the apoptotic cascade. Because mitochondrial manganese superoxide dismutase catalyzes conversion of superoxide radicals to H(2)O(2), with catalase neutralizing H(2)O(2) and myeloperoxidase...
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