background and aims:in neurodegenerative disorders,oxidative stress mediated by reactive oxygen species is strongly associated with increased neuronal damages which can lead to apoptosis. pro-apoptotic and anti-apoptotic gene expressions are changed during the cell differentiation that affect cell viability and differentiation. therefore, this study was conducted to determine the effects of hyd...

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objective(s): gentamicin is used for the treatment of gram-negative bacterial infections. however, gentamicin administration is limited because of nephrotoxicity. the aim of the present study was to evaluate the protective effect of crocin against gentamicin-induced nephrotoxicity in rats. materials and methods: thirty two male wistar rats received gentamicin (100 mg/kg, ip), with or without cr...

The study was aimed to evaluate antioxidant activity of methanolic and aqueous extracts of Bergenia ciliata (Haw.) Sternb. rhizome. Total phenolic content was determined in both extracts. Free radical (DPPH ● and ● OH) scavenging potential of the extracts revealed that both extracts to be active radical scavengers. Reducing (Fe-Fe) power and lipid peroxidation inhibition efficiency (TBARS assay...

OBJECTIVE To investigate whether 3,4-methylenedioxymethamphetamine (MDMA) abuse produces another neurotoxicity which may significantly inhibit the acetylcholinesterase activity and result in severe oxidative damage and liperoxidative damage to MDMA abusers. METHODS 120 MDMA abusers (MA) and 120 healthy volunteers (HV) were enrolled in an independent sample control design, in which the levels ...

Cumulative oxidative damages to cell constituents are considered to contribute to aging and age-related diseases. The enzyme peptide methionine sulfoxide reductase A (MSRA) catalyzes the repair of oxidized methionine in proteins by reducing methionine sulfoxide back to methionine. However, whether MSRA plays a role in the aging process is poorly understood. Here we report that overexpression of...

In mammals, during the aging process, an atrophy of the muscle fibers, an increase in body fat mass, and a decrease in skeletal muscle oxidative capacities occur. Compounds and activities that interact with lipid oxidative metabolism may be useful in limiting damages that occur in aging muscle. In this study, we evaluated the effect of L-carnitine and physical exercise on several parameters rel...