Article
Oxidative stress, mitochondrial DNA mutation, and impairment of antioxidant enzymes in aging.
Experimental biology and medicine (Maywood, N.J.) - 1 Oct 2002
Wei Yau-Huei, Lee Hsin-Chen
Abstract excerpt
Mitochondria do not only produce less ATP, but they also increase the production of reactive oxygen species (ROS) as by-products of aerobic metabolism in the aging tissues of the human and animals. It is now generally accepted that aging-associated respiratory function decline can result in enhanced production of ROS in mitochondria. Moreover, the activities of free radical-scavenging enzymes are altered in the...
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