The first and main target-structure of ultraviolet (UV) radiation in animals is the body surface, including the skin and eyes. Here, we investigated cell damage in the visual system of the crab Neohelice granulata acclimated ...

Even though growth hormone (GH) transgenesis has demonstrated potential for improved growth of commercially important species, the hormone excess may result in undesired collateral effects. In this context, the aim of this ...

Memory persistence needs a new event of consolidation 12 h after the acquisition. We investigated the role of the cholinergic activity on the persistence of memory. For this purpose, we performed the treatments 9 or 12 h ...

The presence of higher level of exogenous growth hormone (GH) in transgenic animals could lead to several physiological alterations. A GH transgenic zebrafish (Danio rerio) line was compared to nontransgenic (NT) samples ...

An intermediate morphotype between Eretmochelys imbricata and Caretta caretta was studied in Praia do Forte, Bahia, Brazil. Three enzymatic systems were successfully analyzed: SOD, lactate dehydrogenase (LDH) and esterase ...

Marine organisms are affected by organotin compounds due to the cumulative, deleterious effects of these latter. The most evident and well known consequence of organotin contamination is imposex, a hormonal disruption that ...

O presente estudo buscou analisar a aplicabilidade e a fidedignidade de 9 instrumentos utilizados pelos ergonomistas na avaliação e classificação dos riscos de ocorrência dos D.O.R.T./L.E.R. Os instrumentos selecionados ...

A aterosclerose é uma doença multifatorial e complexa, que determina eventos clínicos causadores de morbi-mortalidade significativa, representada pela ocorrência de infarto agudo do miocárdio, angina e morte súbita. Está ...

Objetivo: Analisar as alterações do estado emocional e da reatividade cardiovascular de adolescentes praticantes de futsal. Métodos: Vinte adolescentes do gênero masculino, com idade de 15,6 (±1,1) anos foram avaliados ...

The objective of the present study was to determine the acute effect of hemodialysis on endothelial venous function and oxidative stress. We studied 9 patients with end-stage renal disease (ESRD), 36.8 ± 3.0 years old, ...

Os compostos orgânicos de estanho são utilizados desde a década de 1970 como princípio ativo de tintas anti-in- crustantes aplicadas a embarcações. Já na década de 1980, os efeitos tóxicos desses compostos foram detectados ...

Imposex is characterized by the development of masculine sexual organs in neogastropod females. Almost 120 mollusk species are known to present imposex when exposed to organic tin compounds as tributyltin (TBT) and triphenyltin ...

Antifouling agents have been used on vessels and boats since ancient civilizations. Thus, a brief history on the three generations of antifouling paints was provided in the present review. Additionally, information about ...

This is the first report on imposex occurrence in Pugilina morio. Imposex levels in P. morio from Ceara River Estuary were assessed by a non-lethal method. The obtained imposex parameters were: percentage = 37.1 %, female ...

O objetivo deste estudo foi examinar a possibilidade de uso da macrófita aquática Eichhornia crassipes (Mart.) Solms na retirada de nutrientes em lagos eutrofizados. O trabalho foi realizado na região costeira subtropical ...

A hipotermia e a hipertermia são sugeridas como meios físicos para aumentar a flexibilidade. O objetivo deste estudo foi comparar o efeito desses agentes térmicos aplicados previamente a um programa de alongamentos dos ...

The gene transfer technique, transgenesis, has permitted the transfer of genes from one organism to another to create new lineages of organisms with improvement in traits important to aquaculture. Genetically modified ...

Os recursos tecnológicos são ferramentas que auxiliam docentes e o uso racional desses enriquece a aula, auxiliando os alunos no processo de aprendizagem. Essa perspectiva reflete no ensino médico, o qual necessita se ...

Comparar os efeitos do treinamento de força (TF) e da estimulação elétrica neuromuscular (EENM) no músculo quadríceps de mulheres idosas. Métodos: A força muscular isotônica e isométrica do quadríceps femoral foi avaliada ...