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Comparação entre os efeitos da exposição em nível subletal de glifosato e dos herbicidas a base de glifosato Roundup Original® e Roundup Transorb R® sobre girinos de rã-touro
(Universidade Federal de São Carlos, 2012-10-05)
Glyphosate based herbicides are widely used in agriculture and fishery to control of weeds, being found commonly in water bodies. The Roundup Original® is one of the most used glyphosate-based herbicides that presents in ...
Efeitos da alimentação e digestão na contratilidade miocárdica de pítons (Python molurus)
(Universidade Federal de São Carlos, 2013-02-28)
Despite all the knowledge about the excitation-contraction coupling (E-C) in mammals, there are still large gaps in the knowledge of the cardiac myocytes physiology in other vertebrates. Thus, the study of groups underexplored ...
Avaliação dos efeitos do resveratrol sobre o tecido ósseo de ratas ovariectomizadas
(Universidade Federal de São Carlos, 2014-05-06)
Resveratrol (trans 3,5,4 'trihydroxystilbene) is a polyphenol found in some plants and fruits. There are indications that it may be associated with the prevention of osteoporosis due to its action similar to a SERM (Selective ...
Efeito ansiolítico do ondansetron, antagonista dos receptores 5-HT3, injetado na amídala de camundongos submetidos à exposição e reexposição no labirinto em cruz elevado
(Universidade Federal de São Carlos, 2011-03-02)
Against of stimuli that are dangerous, animals manifest defense reactions that cause fear and anxiety. These stimuli activate the serotonergic system, which sends projections to structures involved in defense mechanisms ...
Inibição da síntese de óxido nítrico reduz termogênese durante a inflamação sistêmica induzida por LPS em pintainhos
(Universidade Federal de São Carlos, 2014-08-29)
Low and high LPS doses (endotoxin) have been used as models to study fever and endotoxic shock, respectively. In rats, systemic nitric oxide (NO) directly affects thermogenesis, but does not mediate those responses. Even ...
Administração intracerebroventricular de peróxido de hidrogênio: efeitos sobre a ingestão de água, excreção renal e alterações cardiovasculares induzidas por aumento da osmolaridade plasmática
(Universidade Federal de São Carlos, 2013-05-13)
The reactive oxygen species (ROS), produced endogenously in central areas may act by modulating autonomic and behavioral responses. Recent studies have shown that a reactive oxygen species, hydrogen peroxide (H2O2), injected ...
Efeito do treinamento resistido na avaliação da composição corporal e na atividade da MMP-2 nos músculos bíceps e gastrocnêmio de ratos obesos
(Universidade Federal de São Carlos, 2013-04-05)
The aim of the present study was to investigate the influence of resistance training on body composition and active matrix metalloproteinases 2 (MMP-2) on biceps and gastrocnemius muscles in rats with high fat diet. We ...
Hormônios gonadais influenciam nas respostas ventilatórias à hipercapnia em ratos machos e fêmeas wistar adultos
(Universidade Federal de São Carlos, 2014-11-11)
Sex hormones may influence many physiological processes. However, it is still unclear whether sex hormones and hormonal fluctuations that occur during the estrous cycle can affect breathing. Our study aimed to evaluate the ...
Efeitos periféricos e centrais decorrentes da exposição à cocaína e testosterona em ratos adolescentes e adultos
(Universidade Federal de São Carlos, 2012-09-11)
Drug abuse is considered a major public health problem in the world. The use of cocaine and anabolic-androgenic steroids (AAS) has increased in Brazil. Epidemiological studies indicate that adolescents are more vulnerable ...
Papel dos receptores vaniloides TRPV1 da matéria cinzenta periaquedutal na ansiedade e na antinocicepção induzida pelo medo em camundongos
(Universidade Federal de São Carlos, 2013-05-03)
When confronted with fear situations rodents exhibit behavioral (e.g., fight, flight, immobility and vocalization) and neurovegetative (tachycardia, hypertension and defecation) responses that characterize the defense ...