Thiago Beltram Marcelino

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Jackbean (Canavalia ensiformis) ureases are entomotoxic upon the release of internal peptides by insect's digestive enzymes. Here we studied the digestive peptidases of Oncopeltus fasciatus (milkweed bug) and its susceptibility to jackbean urease (JBU). O. fasciatus nymphs fed urease showed a mortality rate higher than 80% after two weeks. Homogenates of(More)
Physical exercise during pregnancy has been considered beneficial to mother and child. Recent studies showed that maternal swimming improves memory in the offspring, increases hippocampal neurogenesis and levels of neurotrophic factors. The objective of this work was to investigate the effect of maternal swimming during pregnancy on redox status and(More)
The ribose-5-phosphate isomerase deficiency is an inherited condition, which results in cerebral d-arabitol and ribitol accumulation. Patients present leukoencephalopathy, mental retardation, and psychomotor impairment. Considering that the pathophysiology of this disorder is still unclear, and literature are sparse and contradictory, reporting pro and(More)
OBJECTIVE This study describes a quantitative and qualitative methodology to assess hedonic responses to sweet stimulus in healthy newborns. METHODS A descriptive, cross-sectional, observational study, with healthy newborns (up to 24h of life), between 37 and 42 gestational weeks, vaginally born and breastfed previously to all tests. The evaluation of the(More)
Hypoxia-ischemia (HI) represents one of the most common causes of neonatal encephalopathy. The central nervous system injury comprises several mechanisms, including inflammatory, excitotoxicity, and redox homeostasis unbalance leading to cell death and cognitive impairment. Exercise during pregnancy is a potential therapeutic tool due to benefits offered to(More)
OBJECTIVES Moderate exercise is known to have health benefits, while both sedentarism and strenuous exercise have pro-oxidant effects. In this study, we assessed the effect of moderate exercise on the antioxidant homeostasis of rats' hippocampi. METHODS Female Wistar rats were submitted to a 30-minute swimming protocol on 5 days a week, for 4 weeks.(More)
Pregnancy is a critical period for brain metabolic programming, being affected by individual environment, such as nutrition, stress, and physical exercise. In this context, we previously reported a cerebral antioxidant upregulation and mitochondrial biogenesis in the offspring delivered from exercised mothers, which could provide neuroprotection against(More)
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