Reevaluation of the digestible lysine requirement for broilers based on genetic potential

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Comparison of a genetic group and unknown paternity models for growth traits in Nellore cattle

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

False positivity of gamma-glutamyl transpeptidase measurement in urine

Although enzymuria tends to be associated to renal injury, there are no studies that have evaluated the presence of the enzyme gamma-glutamyl transpeptidase (GGT) spectrophotometry in the urine using a non-nephrotoxic agent (Nerium oleander) in order to evaluate the possibility of false positive results. The urinary GGT/urinary creatinine concentration ratio (uGGT/uCr) of 10 healthy dogs was calculated and posteriorly confronted with data from clinical evaluation, hematological and serum biochemical profiles, creatinine clearance (CrC), urinalysis, urine protein/creatinine ratio (UPC), electrocardiogram, systemic blood pressure (SBP) and light and electron microscopy. The results for kidney histology, SBP, UPC and CrC were not significantly different in any of the time-points analyzed. However, uGGT/uCr was significantly higher when measured 4 hours and 24 hours after administration of N. oleander. The measurement of the urinary GGT enzyme, as performed in many studies, yielded false positive results in dogs poisoned by a non-nephrotoxic agent.

Volumetric upper airway assessment in patients with transverse maxillary deficiency after surgically assisted rapid maxillary expansion

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Marginal adaptation of class II cavities restored with bulk-fill composites

Objectives: To determine the marginal adaptation of bulk-fill composites in class II MO cavities.Methods: Standardized class II MO cavities with bevelled enamel margins were prepared in 40 extracted human molars. The teeth were randomly assigned to one of the five experimental groups (n = 8). The teeth were restored with two horizontal increments of composite (4 mm and 2 mm thickness). The experimental groups were (1st/2nd increment): Gr. A - Venus Bulk-Fill/Venus Diamond; Gr. B - Tetric EvoCeram BulkFill/Tetric EvoCeram; Gr. C - Surefil SDR/Ceram-X; Gr. D - SonicFill; Gr. E - Ceram-X/Ceram-X (control). After finishing procedures, impressions were made using a polyvinyl siloxane and epoxy resin replicas were obtained. Thermo-mechanical stressing was carried out 24 h after the restorative procedure. All specimens were submitted to 240,000 occlusal loading and simultaneous 600 thermal cycles in water at 5 degrees C and 50 degrees C. After loading, a new set of epoxy resin replicas was obtained. Scanning electron microscopy was carried out at 200x magnification. Results for the marginal adaptation were expressed as percentages of continuity relative to the exposed interface and analyzed by ANOVA and Duncan post hoc test (p < 0.05).Results: In enamel, no significant differences were detected before and after thermo-mechanical loading between groups. In dentine, the worst results were observed in Gr. A.Conclusion: By applying simple layering techniques, bulk-fill materials do not allow better marginal adaptation than a standard composite. Clinical significance: A new class of resin-base composite (bulk-fill) was recently launched on the market. The bulk-fill composites exhibited adequate marginal adaptation and similar to the results of the standard composite. (C) 2014 Elsevier Ltd. All rights reserved.

Ocorrências de bactérias solubilizadoras de fosfato de cálcio nas raízes de plantas na Amazônia brasileira

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Short and long-term repercussions of the experimental diabetes in embryofetal development

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Heterochromatin and molecular characterization of DsmarMITE transposable element in the beetle Dichotomius schiffleri (Coleoptera: Scarabaeidae)

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Habitabilidade em exoplanetas do tipo terrestre

A astrobiologia, ciência que estuda a origem, evolução, distribuição e futuro da vida, tem como escopo a procura por vida em outros ambientes, como por exemplo, exoplanetas, planetas estes localizados fora do sistema solar. Através de observações e modelos teóricos que estimam alguns parâmetros gerais (composição, tipos de compostos presentes) pode-se criar um ambiente possível para o exoplaneta. O ambiente em que o planeta está inserido é um fator que pode ser determinante em relação a sua habitabilidade. A Zona Habitável é um dos parâmetros passíveis de delimitar os planetas que poderiam ser habitáveis. Muitos planetas identificados até agora têm características similares à da Terra. Entretanto, a maioria dos planetas, com possibilidade de ser do tipo terrestre, identificados até hoje são considerados Super Terras Quentes (STQ), pois estão fora da zona habitável uma vez que estão muito próximos de suas estrelas (período orbital da ordem de dias ou menos). Alguns desses estariam presentes na Zona habitável de suas respectivas estrelas, como é o caso de Gl 581 g, um planeta do sistema multi-planetário da estrela Gl 581. A proximidade da estrela sugere que eles apresentam uma rotação afetada por forças de maré. Deste modo, a taxa rotacional do planeta é sincronizada, sendo que uma de suas faces não recebe a energia da estrela, tornando-se gelada e a outra face recebe constantemente a energia da estrela, tornando-se muito quente. Embora em geral descarta-se a habitabilidade em STQ, estudos de resistência de vida em ambientes extremos não são muito explorados. As características analisadas partirão da premissa que o tipo de vida procurada será semelhante ao tipo de vida que encontramos na Terra, isto é, utilizando a água como solvente e apresentando uma química baseada no elemento carbono (Kaltenegger, L. et al., 2008)... (Resumo completo, clicar acesso eletrônico abaixo)

Fluxo gênico, estrutura genética espacial intrapopulacional e sistema de reprodução hierárquico entre e dentro de frutos em uma pequena população isolada de Genipa americana L., utilizando marcadores microssatélites

Pós-graduação em Agronomia - FEIS

Efeitos imediatos e tardios da imersão em água pós-exercício: uma revisão sistemática e um ensaio clínico randomizado

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

NLRP1 L155H polymorphism is a risk factor for preeclampsia development

Problem: Augmented levels of IL-1 ss have been pointed out as an important pathogenic factor for preeclampsia development. Inflammasome is the cytoplasmic complex responsible for pro-IL1 ss cleavage and IL-1 ss secretion. Aim of the study was to evaluate the association between polymorphisms in inflammasome'genes and preeclampsia. Method of study: Selected polymorphisms in inflammasome genes (NLRP1, NLRP3, CARD8, and IL1B) were analyzed in 286 Brazilian women with and 309 without preeclampsia. Results and Conlclusions: The NLRP1 variant rs12150220 (L155H) was associated with the development of preeclampsia (OR=1.58), suggesting a role of this inflammasome receptor in the pathogenesis of this multifactorial disorder.

Expression studies in the embryo and in the micropylar endosperm of germinating coffee (Coffea arabica cv. Rubi) seeds

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Heat treatment of pre-hydrolyzed silane increases adhesion of phosphate monomer-based resin cement to glass ceramic

This study evaluated the influence of different forms of heat treatment on a pre-hydrolyzed silane to improve the adhesion of phosphate monomer-based (MDP) resin cement to glass ceramic. Resin and feldspathic ceramic blocks (n=48, n=6 for bond test, n=2 for microscopy) were randomly divided into 6 groups and subject to surface treatments: G1: Hydrofluoric acid (HF) 9.6% for 20 s + Silane + MDP resin cement (Panavia F); G2: HF 9.6% for 20 s + Silane + Heat Treatment (oven) + Panavia F; G3: Silane + Heat Treatment (oven) + Panavia F; G4: HF 9.6% for 20 s + Silane + Heat Treatment (hot air) + Panavia F; G5: Silane + Heat Treatment (hot air) + Panavia F; G6: Silane + Panavia F. Microtensile bond strength (MTBS) test was performed using a universal testing machine (1 mm/min). After debonding, the substrate and adherent surfaces were analyzed using stereomicroscope and scanning electron microscope (SEM) to categorize the failure types. Data were analyzed statistically using two-way test ANOVA and Tukey's test (=0.05). Heat treatment of the silane containing MDP, with prior etching with HF (G2: 13.15 ± 0.89a; G4: 12.58 ± 1.03a) presented significantly higher bond strength values than the control group (G1: 9.16 ± 0.64b). The groups without prior etching (G3: 10.47 ± 0.70b; G5: 9.47 ± 0.32b) showed statistically similar bond strength values between them and the control group (G1). The silane application without prior etching and heat treatment resulted in the lowest mean bond strength (G6: 8.05 ± 0.37c). SEM analysis showed predominantly adhesive failures and EDS analysis showed common elements of spectra (Si, Na, Al, K, O, C) characterizing the microstructure of the glass-ceramic studied. Heat treatment of the pre-hydrolyzed silane containing MDP in an oven at 100 °C for 2 min or with hot air application at 50 ± 5 ºC for 1 min, was effective in increasing the bond strength values between the ceramic and resin cement containing MDP.