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30. Beginning of the chapter. Oxidative stress, substances and genetics (Toxo Sensor). OXIDATIVE STRESS. Free radicals damage the cells. OXIDATIVE STRESS. Free radicals. AGEING CANCER. OXIDATIVE STRESS. Free radicals damage the cells. 5% oxygen. SOD2. Superoxide. MITOCHONDRIA. SOD3.
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30 Beginning of the chapter Oxidative stress, substances and genetics (Toxo Sensor)
OXIDATIVE STRESS Free radicals damage the cells OXIDATIVE STRESS Free radicals AGEING CANCER
OXIDATIVE STRESS Free radicals damage the cells 5% oxygen SOD2 Superoxide MITOCHONDRIA SOD3 SOD1 Hydrogen peroxide CYTOPLASM OF A CELL
OXIDATIVE STRESS Free radicals
OXIDATIVE STRESS GPX1 – a selenoprotein Selenium GPX1 GPX1 Free radicals
OXIDATIVE STRESS GPX1 – a selenoprotein GPX1 GPX1 Selenium Free radicals
OXIDATIVE STRESS GPX1 – a selenoprotein GPX1 GPX1 Selenium
OXIDATIVE STRESS GPX1 – a selenoprotein GPX1 GPX1 Selenium Neutralised
OXIDATIVE STRESS Selenium deficiency and GPX1 Selenium deficiency 30% Activity More selenium 70% Activity
OXIDATIVE STRESS Polymorphism in the GPX1 gene GPX1 GPX1 Free radicals
OXIDATIVE STRESS Polymorphism in the GPX1 gene GPX1 GPX1 Selenium Free radicals
OXIDATIVE STRESS Polymorphism in the GPX1 gene GPX1 GPX1 Poorer binding (for example, 50% worse) Selenium
OXIDATIVE STRESS Polymorphism in the GPX1 gene Normal levels of Selenium 35% Activity More selenium 60% Activity
OXIDATIVE STRESS Free radicals
OXIDATIVE STRESS Coenzyme Q10 Q10 – No effect Q10 NQO1 Q10 Ubiquinol antioxidant effect Free radicals UBI UBI
OXIDATIVE STRESS Free radicals
OXIDATIVE STRESS Coenzyme Q10 Q10 – No effect Q10 NQO1 Q10 UBI UBI UBI Free radicals UBI UBI UBI UBI
OXIDATIVE STRESS Coenzyme Q10 Q10 – No effect Q10 NQO1 Q10 E C E E Free radicals ALA C C ALA E ALA
OXIDATIVE STRESS Oxidative stress, what to do now?
OXIDATIVE STRESS Oxidative stress, what to do now? • RECOMMENDATIONS • Antioxidant-rich diet • Additional intake of free-radical scavengers • Vitamin C • Vitamin E • ß-carotene • Alpha lipoic acid • Coenzyme Q10? Ubiquinol? • Selenium – how much? GPX1-gene • 2 Cups of coffee/day for 7 delay of the breast cancer occurrence?
SUBSTANCES The effect of various substances on our body
SUBSTANCES The effect of various substances on our body
30 End of the chapter Oxidative stress, substances and genetics (Toxo Sensor)