Oxidative Stress and Diseases
- Oxygen-derived free radicals always accompany mitochondrial energy production
- Creating free radicals causes cell toxicity
- Even in healthy state, ~ 25% of oxygen intake forms free radicals
- In unhealthy states, up to 75% of oxygen becomes free radicals
- Common causes of oxidative stress: toxemia, infections, hypoxia-ischemia, hyperglycemia, xenobiotics (drug metabolism), hyperlipidemias, hyperproteinemias, cancers, phagocytic and immune reactions, and high metabolic rates
- Aging tissues under oxidative stress
(Mandelker, JAHVMA, 41:22-24, Winter , 2016)
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