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We investigated the modifications in endogenous antioxidant capacity, including superoxide dismutase (SOD), glutathione peroxidase (GPx), catalase, oxidative stress index, reduced glutathione (GSH), glutathione disulfide (GSSG), and thiobarbituric acid-reactive substance (TBARS) in the brain, liver, kidney, and testes of mice under bisphenol A (BPA), an(More)
Recent information suggests that free radicals are closely involved in the pathogenesis and/or progression of Parkinson's disease (PD). High-dose levodopa therapy has been suggested to increase oxidative stress, thereby accelerating the progression of PD. Based on this viewpoint, free radical scavenging, antioxidant and neuroprotective agents which may(More)
We investigated the modifications in endogenous antioxidant capacity and oxidative damage in the brain, liver, kidney and testis in mice exposed to bisphenol A (BPA), an environmental endocrine disrupter. Mice were exposed to BPA throughout embryonic/fetal life and during lactation by feeding their pregnant/lactating mothers BPA at 5 or 10 microg per(More)
We evaluated the behavioral recovery of mice with 6-hydroxydopamine (6-OHDA)-induced lesions using a pole test. T(LA) (locomotor activity time) 1, 2, and 3 days after intracerebroventricular 6-OHDA injection (T(LA)(1-3D)) was correlated significantly with the levels of dopamine (DA), dihydroxyphenylacetic acid (DOPAC), and homovanillic acid (HVA) in the(More)
Intracortical injection of iron ion has been shown to induce recurrent seizures and epileptic discharges in electrocorticograms. The importance of the effects of NO on seizure control systems and their regulation is suggested. In this paper, we examined the changes in nitric oxide synthase (NOS) activity in the epileptogenic focus induced by intracortical(More)
Inbred mutant El mice are highly susceptible to convulsive seizures upon 'throwing' stimulation, and the inhibition of 5-hydroxytryptamine (5-HT) and taurine activities appears to be involved in the El mouse seizures. Uptake and release of [3H]5-HT and [3H]taurine into and from cerebral neurocortical slices using a superfusion system were investigated in(More)
Intracortical injection of iron ions has been used to model post-traumatic epilepsy. The results obtained using these models suggest that oxidation of neural membranes by active oxygen free radicals may be involved in the etiology of post-traumatic epilepsy. This is a study of the effects of alpha-tocopheryl-L-ascorbate-2-O-phosphate diester potassium salt(More)
3-((±)-2-Carboxypiperazin-4-yl)propyl-1-phosphonic acid (CPP) is an antagonist at the N-methyl-D-aspartate (NMDA) subtype of glutamate receptor. In the present study, levels of dihydroxyphenylacetic acid (DOPAC), homovanillic acid (HVA) and 5-hydroxyindolacetic acid (5-HIAA) were measured after intracerebroventricular injection of NMDA, CPP or both in rat(More)
Immunohistochemical evidence indicates the coexistence of serotonin and TRH in many raphe neurons. We examined the biochemical changes in TRH receptors after destruction of the serotonergic pathways by 5,7-dihydroxytryptamine (5,7-DHT). 2 weeks after an intracerebroventricular injection of 5,7-DHT, rats were killed, and specific brain regions were dissected(More)
To reveal new therapeutic strategies for Parkinson's disease (PD), we investigated the protective effect of an immunosuppressant, cyclosporin A (CsA), against 6-hydroxydopamine (6-OHDA)-induced injury of nigrostriatal dopamine neurons in mice. Seven days after induction of 6-OHDA lesion, dopamine (DA) and homovanillic acid (HVA) in the striatum were(More)