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Aging is associated with an accumulation of oxidative damage to proteins, lipids and DNA. Cellular mechanisms designed to prevent oxidative damage decline with aging and in diseases associated with aging. A long-lived mouse, the Ames dwarf, exhibits growth hormone deficiency and heightened antioxidative defenses. In contrast, animals that over express GH have suppressed antioxidative capacity and...
The ultrastructural features of perikaryal mitochondria positive to the copper ferrocyanide cytochemical reaction due to SDH activity were investigated in Purkinje cells of adult rats fed a vitamin E (α-tocopherol) deficient diet (AVED) for 11 months. The mitochondrial volume fraction (volume density: Vv), the number of organelles/μm3 of tissue (numeric density: Nv) and their average volume (V) were...
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