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Poliaminas modulam a memória nas tarefas de medo condicionado e esquiva inibitória em ratos
(Universidade Federal de Santa Maria, 2004-09-03)
The polyamines, spermine, spermidine and putrescine, are a group of aliphatic amines that interact with diverse cellular targets such as nucleic acids and proteins. The polyamines may act as physiological modulators of ...
Sobre a excitotoxicidade induzida por glutamato em retina embrionária de pinto
(Universidade Federal de Santa Maria, 2004-08-20)
Excitotoxicity refers to the neurodegenerative process initiated by excessive activation of receptors for the neurotransmitter glutamate. This process is one of the
most extensively studied processes of neuronal cell death, ...
Efeitos do herbicida clomazone sobre parâmetros metabólicos e antioxidantes em jundiá (Rhamdia quelen)
(Universidade Federal de Santa Maria, 2004-09-10)
The objective of this study was to evaluate the effect of clomazone herbicide on metabolism of silver catfish (Rhamdia quelen). It was measured levels of lactate, protein and glucose (plasma), glycogen, protein and lactate ...
Derivados pirazolínicos inéditos causam antinocicepção em camundongos no teste da formalina
(Universidade Federal de Santa Maria, 2004-07-29)
The discovery of pyrazole derivatives dates back to 1884, when the German chemist Ludwig Knorr attempted to synthesize quinoline derivatives with antipyretic activity and accidentally obtained antipyrine, a pyrazolinone, ...
Efeito agudo e crônico do etanol sobre as enzimas NTPDase, 5'-nucleotidase, acetilcolinesterase, peroxidação lipídica e comportamento em ratos
(Universidade Federal de Santa Maria, 2004-10-15)
Ethanol is one of the most used substance in different societies. This study was
performed in order to clarify the acute and chronic effects of ethanol on biochemical
and behavioral parameters in male Wistar rats. The ...
Efeito das poliaminas sobre a lipoperoxidação induzida por neurotoxinas em encéfalo de ratos
(Universidade Federal de Santa Maria, 2004-01-16)
Polyamines, among other functions, are considered to act as a free radical
scavenger and antioxidant. The quinolinic acid, sodium nitroprusside and iron
stimulate production of free radicals and consequent lipid peroxidation, ...