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Several studies have shown a role of nitric oxide/cyclic guanosine monophosphate signaling pathway in the regulation of anxiety. The effects of the phosphodiesterase (PDE) 5 inhibitors on anxiety are not fully understood. The aim of present study was to investigate the possible role of sildenafil, an inhibitor of cyclic GMP-specific phosphodiesterase, on(More)
The aim of this study was to evaluate the acute and chronic effects of two SSRIs (sertraline and fluoxetine) on anxiety by the elevated plus-maze test. Diazepam increased the time spent in open arms significantly whereas the anxiogenic m-chlorophenylpiperazine (m-CPP) decreased the time significantly. Acute sertraline (10 mg x kg(-1)) and fluoxetine (20 mg(More)
This study explores the major issues facing collective response operations after destructive earthquakes. The small-n case study design employs qualitative and quantitative methods to investigate the decision-making process in a context of seismic risk to exemplify how public managers can utilise information and communication systems to ensure collaborative(More)
Echo-planar magnetic resonance imaging (EP-MRI), which is novel variant of MRI, is thought to have antidepressant properties in humans and animal models. Using the forced swimming test (FST), we investigated which monoaminergic system in mice is affected by EP-MRI. The short- and long-term effects of EP-MRI on immobility time in the FST and motor activity(More)
AIM To evaluate the effect of sildenafil, a selective inhibitor of cyclic guanosine monophosphate (cGMP)-selective type 5 phosphodiesterase, on isolated rat vas deferens and its connections with the purinergic system. METHODS Epididymal and prostatic portions of isolated vas deferens were placed in organ baths containing Krebs' solution. Contractions were(More)
The effects of N-nitro-L-arginine-methyl ester (L-NAME) a nitric oxide (NO) synthase inhibitor and L-arginine, a NO precursor, were investigated on lidocaine-induced convulsions. In the first experiment, four groups of mice received physiological saline (0.9%), L-arginine (300 mg/kg, i.p.), L-NAME (100 mg/kg, i.p.) and diazepam (2 mg/kg), respectively.(More)
BACKGROUND Throughout the world, there is a shortage of suitable organs for organ transplantation. The aim of this study was to assess the level of knowledge, awareness, and attitudes of medical, law, divinity, nursing, and communication students, who will be involved in this issue in the future, regarding brain death and organ donation. METHODS Data were(More)
The present study was performed to investigate the effect of propofol on anxiety using the elevated plus-maze test. Groups of mice received propofol (20, 40, 60 mg/kg) or diazepam (2 mg/kg), caffeine (30 mg/kg), L-arginine (100 mg/kg), m-chlorophenylpiperazine (m-CPP, 2.5 mg/kg) and then were placed in an elevated plus-maze that was composed of two opposite(More)
OBJECTIVES Parathyroid carcinoma is a rare malignant disease of the parathyroid glands that appears in less than 1% of patients with primary hyperparathyroidism. In the literature, the generally recommended treatment is en bloc tumor excision with ipsilateral thyroid lobectomy. Based on our 12 years of experience, we discuss the necessity of performing(More)