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Estudo da interação do sistema purinérgico, colinérgico e funções cognitivas na demência esporádica do tipo alzheimer: os efeitos das antocianinas
(Universidade Federal de Santa Maria, 2013-03-27)
Dementia is a brain disorder characterized by decline in several mental functions and results in deficits in memory functioning in a variety of cognitive tasks. Evidence has emerged showing that anthocyanins (ANT) possess ...
Modulação do sistema das poliaminas e bloqueio seletivo de correntes de K+ do tipo A reverte o dano cognitivo induzido por peptídeo β-amiloide25-35
(Universidade Federal de Santa Maria, 2013-11-18)
In Alzheimer s disease (AD), β-amyloid peptide (Aβ) has been linked with synaptic loss and cognitive dysfunction, albeit the precise mechanism remains unknown. An involvement of N-Methyl-D-Aspartate receptors (NMDAR) in ...
Avaliação do sistema purinérgico e colinérgico em córtex de ratos após hipóxia-isquemia neonatal
(Universidade Federal de Santa Maria, 2013-03-15)
Hypoxia-ischemia (HI) neonatal is a major cause of morbidity and mortality during the perinatal period and it is an important risk factor for the development of a number of human neurological disorders, such as cerebral ...
Efeito antinociceptivo, antiinflamatório e antioxidante da Aloe saponaria Haw em modelos de queimadura em ratos
(Universidade Federal de Santa Maria, 2013-12-19)
In Brazil, the plant Aloe saponaria Haw, popularly known as babosa pintadinha , has been empirically used for its potential effect on skin burn injury, there are no scientific data confirming its popular use. Thus, the ...
Os efeitos do ácido cafeico e do éster fenetil do ácido cafeico sobre as atividades da acetilcolinesterase e das ecto-nucleotidases em ratos
(Universidade Federal de Santa Maria, 2013-01-21)
Phenolic compouds and their derivatives constitute a leading family of natural compounds. Caffeic acid (CA) and
caffeic acid phenethyl ester (CAPE) are the important members of phenolic compound, sharing several ...
Efeitos anti-nociceptivo e anti-edematogênico da glibenclamida em um modelo de gota aguda em ratos
(Universidade Federal de Santa Maria, 2013-02-23)
Gout is one form of inflammatory arthritis, which is caused by the precipitation of crystals of monosodium urate (MSU) in the joints. Acute gout is associated with sudden and painful inflammatory episodes characterized by ...
Agentes poliaminérgicos modulam a reconsolidação da memória de medo em ratos
(Universidade Federal de Santa Maria, 2013-08-19)
The memory may be studied according with memory's phases, which is acquisition, consolidation and recall. Memories once consolidated, are no more susceptible to interventions, but when reactivated, some of these memories ...
Perfil lipidíco, agregação plaquetária e atividade de ectoenzimas do sistema purinérgico em plaquetas de pacientes HIV positivos sob terapia antirretroviral
(Universidade Federal de Santa Maria, 2013-08-23)
HIV infection is characterized by continuous viral replication and depletion of
CD4 + T lymphocytes, leading to immunological changes and opportunistic
infections by pathogens. The use of antiretroviral therapy (ART) ...
Avaliação da capacidade antioxidante in vitro de novos compostos mono e disseleneto
(Universidade Federal de Santa Maria, 2013-07-26)
The antioxidant action of organic selenium compounds, as well as ebselen and diphenyl diselenide (DPDS), is closely connected to its ability of generating the selenol group. (In) this study it was evaluated the in vitro ...
Estudo das propriedades antioxidantes de diferentes ftalocianinas
(Universidade Federal de Santa Maria, 2013-02-22)
Oxidative stress is believed to be involved in the etiology of several chronic diseases, including cardiovascular disease, diabetes, cancer, and neurodegenerative disorders. From this perspective, we have evaluated the ...