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Mostrando 1-12 de 311 artigos, teses e dissertações.
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1. Methylation of p16 ink4a promoter is independent of human papillomavirus DNA physical state: a comparison between cervical pre-neoplastic and neoplastic samples
BACKGROUND Epigenetic modifications in host cells, like p16 ink4a methylation, have been considered as putative complementary mechanisms for cancer development. Because only a small proportion of infected women develop cervical cancer, other factors might be involved in carcinogenesis, either independently or in association with high-risk human papillomavir
Mem. Inst. Oswaldo Cruz. Publicado em: 17/12/2018
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2. Primary cutaneous T-cell lymphoma: experience from the Peruvian National Cancer Institute
Abstract: Background: Primary cutaneous T-cell lymphomas constitute a heterogeneous and rare group of diseases with regional particularities in Latin America. Objective: To determine the clinicopathological features, relative frequency and survival among patients from a Peruvian institution. Methods: Primary cutaneous T-cell lymphomas were defined based o
An. Bras. Dermatol.. Publicado em: 2017-10
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3. Human papillomavirus infection is not related with prostatitis-related symptoms: results from a case-control study
PurposeTo investigate the relationship between human papillomavirus (HPV) infection and prostatitis-related symptoms.Materials and MethodsAll young heterosexual patients with prostatitis-related symptoms attending the same Center from January 2005 to December 2010 were eligible for this case-control study. Sexually active asymptomatic men were considered as
Int. braz j urol.. Publicado em: 2014-04
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4. Defense responses to Meloidogyne exigua in resistant coffee cultivar and non-host plant
The resistance of coffee plants to Meloidogyne exigua is conferred by the gene Mex-1. However, the mechanisms of resistance still need to be clarified. Therefore, the penetration, development and reproduction of two populations of M. exigua (M1, isolated from the coffee plant and M2, from rubber tree) in susceptible (Coffea arabica 'Catuai') and resistant (C
Trop. plant pathol.. Publicado em: 2013-04
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5. Respostas estruturais em Ipomoea nil (L.) Roth 'Scarlet O'Hara' (Convolvulaceae) exposta ao ozônio
Devido à sua alta reatividade e fitotoxidez, o ozônio troposférico (O3) é um dos mais importantes poluentes fotoquímicos, podendo provocar alterações microscópicas em plantas antes do aparecimento de sintomas visíveis. O presente estudo teve como objetivo aprimorar os conhecimentos sobre os efeitos do O3 em folhas de Ipomoea nil. Plantas foram expos
Acta Botanica Brasilica. Publicado em: 2011-03
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6. Deformation and fracture of an alpha/beta titanium alloy
Titanium alloys are used in the aero-spatial, energy and biomaterial industries among others and exhibit high specific strength and fracture toughness. Their mechanical properties show a strong dependence on the microstructure, especially on the size and morphology of the constituent phases. An experimental evaluation was done to a better understanding of th
Matéria (Rio de Janeiro). Publicado em: 2010
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7. A influência de atributos físicos na formação de primeiras impressões: uso do TAT e impacto no processo decisório de profissionais de recursos humanos / The effect of physical attributes in the first impressioni nformation: use of Thematic Apperception Test (TAT) and impact in decision-making of human resources employees
The present study intends to verify the effect of physical attributes in decision-making under uncertainty conditions. Facial hair has an important role in the evolutionary history of Homo sapiens with an adaptative value in the ancestor environment. This feature could have been selected in the sexual selection context for intrasexual or intersexual selectio
Publicado em: 2010
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8. Doces Práticas para Matar:o Papel de Recursos Humanos em Downsizing e Demissão
Transformations in the economy, in the management of organizations and in the industrial relations negotiations have significantly impacted work in organizations and hundreds of thousands of people have lost their jobs since the 80 s. Dowsizings and dismissals are commonplace in Brazil and elsewhere. However, managing dismissals has not been a central resea
Publicado em: 25/09/2008
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9. O papel do hormônio de crescimento no tratamento dos distúrbios endócrino-metabólicos do paciente com a síndrome da imunodeficiência adquirida (Aids)
As primeiras descrições da síndrome da imunodeficiência adquirida (Aids) associavam-se à síndrome de emaciamento, e os distúrbios metabólicos às alterações na composição corporal. Após a introdução da terapia anti-retroviral altamente ativa (HAART), houve declínio na desnutrição, e surge a lipodistrofia como importante distúrbio metabóli
Arquivos Brasileiros de Endocrinologia & Metabologia. Publicado em: 2008-07
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10. Structural analysis and shape-dependent catalytic activity of Au, Pt and Au/Pt nanoparticles
Metallic nanoparticles of Au, Pt and Pt/Au have been synthesized using a chemical reduction approach. The structural characterization of these metallic nanoparticles has been carried out using conventional transmission electron microscopy (TEM) and high resolution transmission electron microscopy (HR-TEM) techniques. HR-TEM images of Pt nanoparticles reveal
Matéria (Rio de Janeiro). Publicado em: 2008
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11. Caracterization of a thaumatin-like gene expressed by Moniliophthora Perniciosa fungus, the causative agent of cacao Whiches Broom disease / Caracterização de um gene similar a taumatina expresso pelo fungo causador da Vassoura de bruxa, Moniliophthora perniciosa
Moniliophthora perniciosa is a phytopatogen that has economical importance in Brazil, particularly in the south of Bahia, because this fungus causes the disease in cacao known as Witches Broom disease. This fungus is a hemibiotrofic pathogen that has two distinct stages: a biotrophic (or parasitic) and a necrotrophic (or saprotrophic). The database generated
Publicado em: 2008
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12. Importância da região AV3V e de mecanismos colinérgicos e angiotensinérgicos centrais para os efeitos cardiovasculares produzidos pela ativação da área rostroventrolateral do bulbo
Cardiovascular responses are integrated at different levels of the central nervous system (CNS). In the brainstem, there are different areas related to the cardiovascular control such as the rostral ventrolateral medulla (RVLM) that activates sympathetic pre-ganglionic neurons in the spinal cord (IML) inducing pressor response. Like glutamatergic activation,
Publicado em: 2008