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Title: Contribution to the study of experimentally-simulated toxic and metabolic encephalopathies
Author: Zarros, Apostolos Ch.
Awarding Body: University of Bolton
Current Institution: University of Bolton
Date of Award: 2014
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This current PhD Thesis (by published work/retrospective) in Neuroscience focuses on performed studies of three crucial brain enzyme activities under seven categories of experimentally- simulated toxic and metabolic encephalopathies. The studied enzymes were: (a) acetylcholinesterase (AChE, EC, (b) sodium-potassium adenosine triphosphatase (Na+,K+- ATPase, EC, formerly EC, and (c) magnesium adenosine triphosphatase (Mg2+- ATPase, EC, formerly EC The studied experimentally-simulated toxic and metabolic encephalopathies were: (a) thyroid-hormone-related brain dysfunctions (as a result of hyper- or hypothyroidism), (b) thioacetamide-induced fulminant hepatic encephalopathy, (c) streptozotocin-induced diabetic encephalopathy, (d) experimentally-simulated Wernicke’s encephalopathy (arising from chronic ethanol consumption, dietary thiaminedeprivation and pyrithiamine-administration), (e) manganese-induced neurotoxicity, (f) lanthanum- induced neurotoxicity, and (g) nickel-induced neurotoxicity. Enzymatic activities were determined spectrophotometrically on albino Wistar rat brain homogenates. Assessments of brain homogenates’ antioxidant status, in vivo antioxidant administrations, in vitro experiments, brain homogenates’ enzymatic activity determinations, as well as pure enzyme activity determinations (under various conditions), were performed (wherever required) in order to elucidate the nature of some of the observed in vivo findings, to evaluate the potential limitations of the experimental-simulation techniques and/or to study the potential use of known antioxidants as neuroprotective agents. All experiments were performed at the Medical School of the National and Kapodistrian University of Athens. The current PhD Thesis condenses and presents the significance of the aforementioned contribution to the study of experimentally-simulated toxic and metabolic encephalopathies, based on published work.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available