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Aspartame, an artificial sweetener, is very widely used in many foods and beverages. But there are controversies about its metabolite which is marked for its toxicity. Hence it is believed to be unsafe for human use. Previous studies have reported on methanol exposure with involvements of free radicals on excitotoxicity of neuronal apoptosis. Hence, this(More)
BACKGROUND Single bolus intravenous infusion of native formate dehydrogenase (FD), isolated from Candida boidinii was found to eliminate formate, a highly toxic metabolite in methanol poisoning. In order to prevent immunological reactions which might be produced by multiple dosing of formate dehydrogenase and to prolong the serum half life of the enzyme,(More)
The vulnerability of the nervous system due to methanol (MeOH) intoxication is a well known fact and reports on the production of free radicals due to MeOH exposure and their involvement in excitotoxicity and neuronal apoptosis are being increasingly reported. We report on MeOH induced free radical changes and oxidative damages to proteins in the discrete(More)
Noise is a pervasive aspect of many modern communities, work environments and its damaging effects, particularly the production of free radicals are not limited to the auditory organ. The oxidative stress in three discrete brain regions, in wistar strain male albino rats subjected to three different durations of noise exposures (acute, sub-acute and chronic(More)
BACKGROUND Formic acid is a toxic metabolite responsible for the metabolic acidosis in methanol poisoning. Formate dehydrogenase (EC converts formate into CO2 in the presence of NAD. We examined the in vitro and in vivo efficiency of formate dehydrogenase-loaded carrier erythrocytes along with carbicarb in eliminating the formate in(More)
The alteration in the levels of plasma corticosterone, brain norepinephrine (NE), and expression of brain heat shock proteins (Hsp70) after different durations of noise exposure (acute, 1 day; sub-acute, 15 days; chronic, 30 days) has been studied to analyze their role in combating time-dependent stress effects of noise. Broadband white noise (100dB)(More)
Stress is one of the basic factors in the etiology of number of diseases. The present study was aimed to investigate the effect of Triphala (Terminalia chebula, Terminalia belerica and Emblica officinalis) on noise-stress induced alterations in the antioxidant status and on the cell-mediated immune response in Wistar strain male albino rats. Noise-stress(More)
Hyperglycemia and ketoacidosis are the two most serious factors in acute metabolic complications of both type 1 and type 2 diabetes. Dysfunction of the central nervous system is a well-documented complication of diabetes. We and others have previously reported that acute or chronic diabetes in animal's results in altered brain neurotransmitter levels. In(More)
The isolation of microbial agents less susceptible to regular antibiotics and the rising trend in the recovery rates of resistant bacteria highlights the need for newer alternative principles. Triphala has been used in traditional medicine practice against certain diseases such as jaundice, fever, cough, eye diseases etc. In the present study phytochemical(More)
We previously have reported that acute or chronic diabetes in animals resulted in altered neurotransmitter levels. In this study, we investigated the concentrations of 5-hydroxytryptamine (5-HT) and 5-hydroxyindoleacetic acid (5-HIAA) in discrete areas of brain viz. striatum (ST), hippocampus (HC), hypothalamus (HT), midbrain (MB), pons medulla (PM),(More)