Results: 1720

Analysis of gene expression EGFR and KRAS, microRNA-21 and microRNA-203 in patients with colon and rectal cancer and correlation with clinical outcome and prognostic factors

Acta cir. bras; 32 (3), 2017
Abstract Purpose: To evaluate the expression of EGFR, KRAS genes, microRNAs-21 and 203 in colon and rectal cancer samples, correlated with their age at diagnosis, histological subtype, value of pretreatment CEA, TNM staging and clinical outcome. Methods: Expression of genes and microRNAs by real time ...

Improving reproducibility and external validity. The role of standardization and data reporting of laboratory rat husbandry and housing

Acta cir. bras; 32 (3), 2017
Abstract Purpose: To identify the most relevant flaws in standardization in husbandry practices and lack of transparency to report them. This review proposes some measures in order to improve transparency, reproducibility and eventually external validity in experimental surgery experiments with rat mode...

A voz dos utilizadores dos cuidados de saúde primários da região de Lisboa e Vale do Tejo, Portugal

Resumo Este artigo resultou de um estudo com o objetivo de determinar o grau de satisfação dos utilizadores com os cuidados prestados nas 125 Unidades de Saúde Familiares (USF) e em algumas das 127 Unidades de Cuidados de Saúde Personalizados (UCSP) da Região de Lisboa e Vale do Tejo (LVT). Foram en...

A qualidade da Atenção Primária à Saúde na Rocinha - Rio de Janeiro, Brasil, na perspectiva dos cuidadores de crianças e dos usuários adultos

Resumo O objetivo deste artigo é avaliar a extensão dos atributos da APS, desde a experiência dos usuários, tanto adultos quanto cuidadores de crianças, comparando a área atendida pelas unidades de saúde do bairro da Rocinha com as demais áreas do distrito sanitário 2.1, no município do Rio de ...

Estudo de base populacional sobre mortalidade infantil

Resumo Embora o Brasil tenha diminuído na última década as disparidades sociais, econômicas e de indicadores de saúde, as diferenças intra e inter-regionais das taxas de mortalidade infantil (TMI) persistem em regiões como a capital do estado de Mato Grosso. Estudo de base populacional que objetiv...

Consideraciones en la derivación y selección de candidatos a trasplante pulmonar

Lung transplantation has been consolidated as a treatment option in patients with advanced and non-neoplastic chronic respiratory diseases, improving survival and quality of life in well selected candidates. Good coordination with a transplant center is fundamental to enable better access to the transpla...

Estadios ninfales de Amnestus rugosus (Hemiptera: Cydnidae)

Rev. biol. trop; 65 (1), 2017
ResumenEn México se han registrado 29 especies del género Amnestus, de las cuales, seis se encuentran en el estado de Veracruz. Se describen e ilustran las características morfológicas de los estadios inmaduros de A. rugosus, incluyendo notas sobre su biología y comportamiento. Las ninfas y adultos ...

Diel variation in the catch of the shrimp Farfantepenaeus duorarum (Decapoda, Penaeidae) and length-weight relationship, in a nursery area of the Terminos Lagoon, Mexico

Rev. biol. trop; 65 (1), 2017
Abstract:The pink shrimp, Farfantepenaeus duorarum is an important commercial species in the Gulf of Mexico, which supports significant commercial fisheries near Dry Tortugas, in Southern Florida and in Campeche Sound, Southern Gulf of Mexico. There is information about the nictemeral behavior of the pin...

Trypanosoma evansi (Kinetoplastida: Trypanosomatidae) in capybaras ( Hydrochoerus hydrochaeris ): prevalence, effect and sexual selection

Rev. biol. trop; 65 (1), 2017
AbstractParasites play a crucial role in the ecology of animals. They also appear to be important in mechanisms underlying sexual selection processes. In this article we study the prevalence, effect and potential role in sexual selection of the protozoon Trypanosoma evansi in capybaras, Hydrochoerus hydr...

Divergent predation environment between two sister species of livebearing fishes (Cyprinodontiformes: Poeciliidae) predicts boldness, activity, and exploration behavior

Rev. biol. trop; 65 (1), 2017
Abstract:Predators can influence a variety of prey traits, including behavior. Traits such as boldness, activity rate, and tendency to explore can all be shaped by predation risk. Our study examines the effects of predation on these behaviors by considering a natural system in which two sister species of...