Now showing items 1-10 of 216
Influence of estradiol and triiodothyronine on breast cancer cell lines proliferation and expression of estrogen and thyroid hormone receptors
(Arquivos Brasileiros de Endocrinologia & Metabologia, 2009-10-01) [Artigo]
OBJETIVO: Para compreender melhor a ação da triiodotironina (T3) agonista de estrógeno (E2), foram comparados os efeitos destes hormônios em células de câncer de mama MDA-MB-231 ER negativas com um clone de MDA-MB-231, ...
Structural evaluation of the effects of chronic ethanol ingestion on the testis of Calomys callosus
(Tissue & Cell, 2009-06-01) [Artigo]
Chronic exposure to ethanol may results in pathophysiologic changes in cellular function. The present work was designed to investigate the morphology of testis submitted to experimental ethanol ingestion. Experimental ...
Low-power laser irradiation improves histomorphometrical parameters and bone matrix organization during tibia wound healing in rats
(Journal of Photochemistry and Photobiology B: Biology, 2003-05-01) [Artigo]
The influence of daily energy doses of 0.03, 0.3 and 0.9 J of He-Ne laser irradiation on the repair of surgically produced tibia damage was investigated in Wistar rats. Laser treatment was initiated 24 h after the trauma ...
Influence of saliva antimicrobial factors on the composition of supragingival dental plaque
(Journal of Dental Research, 2000-05-01) [Resumo]
Evaluation testicular fine needle aspiration cytology and serum testosterone levels in dogs
(Brazilian Journal of Veterinary Research and Animal Science, 2004-04-01) [Artigo]
Com o objetivo de avaliar a função reprodutiva de 4 cães machos, adultos, a citologia aspirativa com agulha fina (FNAC) e as concentrações de testosterona sérica foram usadas em associação a determinação do volume testicular ...
Population dynamics of Musca domestica (Diptera: Muscidae): experimental and theoretical studies at different temperatures
(Brazilian Archives of Biology and Technology, 2004-09-01) [Artigo]
Neste estudo a dinâmica populacional de M. domestica foi avaliada em duas temperaturas, 20ºe 30ºC. A dinâmica foi modelada utilizando um modelo de crescimento populacional dependente da densidade. As temperaturas investigadas ...
Antibacterial activity of medicinal plant extracts
(Brazilian Journal of Microbiology, 2007-12-01) [Artigo]
Avaliou-se a atividade antimicrobiana in vitro de extratos metanólicos de algumas plantas medicinais frente a Escherichia coli, Salmonella Typhimurium, Staphylococcus aureus e Enterococcus sp. O extrato metanólico de ...
Survival rate, body size and food abundance in pure and mixed blowfly cultures
(African Entomology, 2004-03-01) [Artigo]
The influence of food abundance, larval density and interspecific interactions on the survival and body size of Chrysomya albiceps, Chrysomya megacephala and Cochliomyia macellaria was investigated in pure and mixed cultures, ...
Controlling dispersal dynamics of Aedes aegypti
(Mathematical Population Studies, 2006-10-01) [Artigo]
The dengue virus is transmitted in regions previously infested with the mosquito Aedes aegypti. To assess the spreading and establishment of the dengue disease vector, a mathematical model is developed that takes into ...
Differential susceptibility to chromatid breaks induced by bleomycin in sub-fertile and fertile bovines
(Reproductive Toxicology, 2004-11-01) [Artigo]
The rate of chromatid breaks was studied in cows with a history of sub-fertility by means of a test based on measurement of the average of breaks induced in lymphocytes of peripheral blood cultures. Fourteen female specimens ...