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HYPOTHESIS The goals of this investigation were to compare the efficacy of three protective agents against cisplatin-induced elevation of auditory brainstem response (ABR) thresholds and to examine whether these protective agents prevent cisplatin-induced alterations of the antioxidant defense system in the cochlea of the rat. BACKGROUND Cisplatin is an(More)
This study investigates the effect of ethanol ingestion on antioxidant enzymes (AOE) and lipid peroxidation (malondialdehyde, (MDA) in different brain regions of the rat after acute exercise. Acute exercise (100% VO2max) significantly increased glutathione peroxidase (GSH-Px) activity and decreased glutathione reductase (GR) activity in the cerebral cortex.(More)
This study investigates the dose- as well as time-dependent effects of ethanol ingestion on antioxidant system and lipid peroxidation in plasma of the rat. The plasma ethanol concentrations were 154+/-18, 231+/-53, and 268+/-49 mg/dl 1 h after oral ethanol doses of 2, 4, and 6 g/kg, respectively. Superoxide dismutase (SOD) (71%, 56%, and 41 % of control)(More)
The study aim was to investigate the relationship of chronic ethanol-induced inflammation leading to vascular endothelial injury and elevation of blood pressure (BP) in a rat model. Male Fisher rats were divided into two groups of six animals each and treated as follows: (1) Control (5% sucrose, orally) daily for 12 weeks and (2) 20% ethanol (4 g kg(-1),(More)
Michaelis-Menten constant (Km) and maximum velocity (Vmax) of catalase (CAT), glutathione peroxidase (GSH-Px) and glutathione reductase (GR) in various tissues of exercise-trained old rats were compared with the age matched sedentary control. Exercise training increased the maximum velocity (Vmax) for CAT in the brain (350%), liver (33%), lung (34%), muscle(More)
The NF-κB transcription factor functions as a crucial regulator of cell survival and chemoresistance in pancreatic cancer. Recent studies suggest that tocotrienols, which are the unsaturated forms of vitamin E, are a promising class of anticancer compounds that inhibit the growth and survival of many cancer cells, including pancreatic cancer. Here, we show(More)
1. This study examines the effects of exercise training and chronic ethanol consumption on cholinesterase activity and its relationship to lipid peroxidation in blood and brain regions of rat. 2. Exercise training (6.5 weeks) decreased acetylcholinesterase (AChE) activity significantly (64% of control) in hypothalamus and increased AChE activity in cerebral(More)
Carboplatin is currently being used as an anticancer drug against human cancers. However, high dose of carboplatin chemotherapy resulted in ototoxicity in cancer patients. Carboplatin-induced ototoxicity was related to oxidative stress to the cochlea and inner hair cell loss in animals. It is likely that initial oxidative injury spreads throughout the(More)
In this study, the interactive effects of pyridostigmine, a pretreatment drug against nerve agents, and exercise training on muscle tension were investigated in the mouse lower extremity anterior muscular compartment by dorsiflexion of the foot with stimulation of the peroneal nerve. Acetylcholinesterase (AChE), lipid peroxidation (in terms of the(More)
The outcomes of patients treated with surgery for early stage pancreatic ductal adenocarcinoma (PDAC) are variable with median survival ranging from 6 months to more than 5 years. This challenge underscores an unmet need for developing personalized medicine strategies to refine the current treatment decision-making process. To derive a prognostic gene(More)