Abstract
Purpose: It has been reported that 7,8-dihydroxyflavone (7,8-DHF), known as a brain-derived neurotrophic factor (BDNF) receptor agonist, affects nitric oxide (NO) production as well as its antioxidant properties. Although favorable effects of 7,8-DHF have been reported in the central nervous system in aged rodents, its effects on non-neural tissues are not fully understood yet. In the literature, it has been stated that liver, kidney and heart tissues show age-related oxidative stress and NO dysregulation. In this study, the effects of 7,8-DHF on oxidative stress and NO production in liver, kidney and heart tissues in aged mice were investigated.
 Materials and methods: Male C57BL/6 mice were divided into 3 groups as young (5 months old, n=10), elderly (18 months old, n=10) and DHF-elderly (18 months old, n=7). The mice in DHF-elderly group were treated with 7,8-DHF (5 mg.kg-1.day-1, intraperitoneally) for 3 weeks. The malondialdehyde (MDA), reduced glutathione (GSH) and nitrite/nitrate (NOx) levels were measured in the liver, heart and kidney tissues of mice.
 Results: Hepatic MDA increase (p
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