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Avaliação do efeito inibitório do composto orgânico de selênio ebselen na atividade da enzima acetilcolinesterase cerebral de ratos in vitro
(Universidade Federal de Santa Maria, 2015-02-27)
Acetylcholinesterase (AChE) is an important regulatory enzyme that modulates cholinergic synapses by hydrolysis of acetylcholine (ACh), a neurotransmitter involved in many biological processes, especially in memory and ...
Efeito do tipo antidepressivo do disseleneto de difenila em um modelo de depressão induzida por malation em ratos
(Universidade Federal de Santa Maria, 2010-04-01)
Organophosphorus (OP), among them malathion, are responsible for most of the poisonings reported annually in Brazil. In addition to symptoms of cholinergic
poisoning, the exposure to OP causes affective and cognitive ...
Desbalanço superóxido-peróxido de hidrogênio versus seleno-L-metionina e castanha-do-Brasil: regulação diferencial in vitro de (seleno)enzimas
(Universidade Federal de Santa Maria, 2017-08-01)
Introduction: The coupled enzymatic reactions between the manganese-dependent superoxide dismutase (MnSOD/SOD2) and selenoenzyme glutathione peroxidase-1 (GPx-1) selenoenzyme are essential for mitochondrial redox balance ...
4,4'-dicloro-difenil disseleneto reverte o déficit de memória induzido pela corticosterona em camundongos
(Universidade Federal de Santa Maria, 2016-02-29)
Chronic stress or even a single serious traumatic experience may have a negative impact on cognitive function. In this sense, organic selenium compounds are molecules that arouse great interest because they have various ...
Selenito de sódio previne neurotoxicidade induzida por paraquat em peixe-zebra (Danio rerio)
(Universidade Federal de Santa Maria, 2016-08-26)
Considering the sodium selenite (Na2SeO3) antioxidant properties and the involvement of oxidative and nitrosative stress events in neurotoxicity induced by paraquat (PQ) herbicide, this study investigated the potential ...
3-(4-Fluorofenilselenil)-2,5 difenilselenofeno produz ação do tipo-antidepressiva em diferentes modelos de depressão em camundongos
(Universidade Federal de Santa Maria, 2014-03-11)
Selenophenes are a promising class of heterocyclic selenium-containing compounds
presenting important pharmacological properties. Based on selenium well-described role on
mood regulation and since depression is a serious ...
Envolvimento dos sistemas serotoninérgico e opióide na ação do tipo antidepressiva do disseleneto de M-trifluormetilfenila em camundongos
(Universidade Federal de Santa Maria, 2012-08-10)
Serotonergic and opioid systems have been implicated in major depression and in the
action mechanism of antidepressants. The organoselenium compound m-trifluoromethyldiphenyl
diselenide (m CF3 PhSe)2 shows antioxidant ...
2,2'-Disseleneto de ditienila, um composto orgânico de selênio com atividade antioxidante e neuroprotetora em ratos
(Universidade Federal de Santa Maria, 2012-03-02)
Oxidative stress has been implicated in the pathophysiology of several neurological
diseases since the brain is an organ highly susceptible to oxidative damage. Temporal lobe
epilepsy (TLE) has been widely studied due ...
Efeitos dos compostos de selênio e zinco nas lesões gastrointestinais induzidas por etanol em ratos
(Universidade Federal de Santa Maria, 2012-03-30)
Gastric ulcer is a world widespread illness that affectes a great number of people and it is correlated to life style, food intake, alcohol and smoke in association or not to stress behavior. The lesions are in association ...
Disseleneto de p-metoxi fenila atenua o prejuízo cognitivo e a injúria cerebral em um modelo da doença de Alzheimer em roedores
(Universidade Federal de Santa Maria, 2012-09-17)
Alzheimer s disease (AD) is a progressive neurodegenerative disorder, mainly characterized by memory and intellectual capacity loss. AD is characterized by deposition of amyloid-β peptide, neurofibrillary tangles, ...