LILACS – Literatura Latinoamericana y del Caribe de Ciencias de la Salud | LILACS

Results: 70

50 años dedicados al desarrollo de la Inmunología
50 years dedicated to the development of Immunology

En el presente trabajo, dedicado a los 50 años de trabajo del Instituto de Hematología e Inmunología, se describe el desarrollo de la especialidad de Inmunología, sus principales alcances y logros científicos en las líneas de desarrollo fundamentales como: la introducción de técnicas de avanzada,...

Caracterização da via de ativação de neurotoxicidade induzida pela Anidroegconina Metil Éster (AEME) in vitro

O consumo mundial de cocaína vem crescendo e no Brasil já são estimados mais de 2 milhões de usuários, destes 370 mil usam regularmente o crack. A cocaína, em suas diversas formas, é um psicoestimulante com alto potencial de abuso e a forma fumada causa à seus usuários mais complicações de saÃ...

A simple and efficient method for poly-3-hydroxybutyrate quantification in diazotrophic bacteria within 5 minutes using flow cytometry

Braz. j. med. biol. res; 50 (1), 2017
The conventional method for quantification of polyhydroxyalkanoates based on whole-cell methanolysis and gas chromatography (GC) is laborious and time-consuming. In this work, a method based on flow cytometry of Nile red stained bacterial cells was established to quantify poly-3-hydroxybutyrate (PHB) pro...

Technical advances in flow cytometry-based diagnosis and monitoring of paroxysmal nocturnal hemoglobinuria

Einstein (Säo Paulo); 14 (3), 2016
ABSTRACT Objective: To discuss the implementation of technical advances in laboratory diagnosis and monitoring of paroxysmal nocturnal hemoglobinuria for validation of high-sensitivity flow cytometry protocols. Methods: A retrospective study based on analysis of laboratory data from 745 patient samples...

Citometría de flujo y sexaje de espermatozoides en animales

Actualmente, cientos de crías se han gestado a través de inseminación artificial conespermatozoides sexados en producción animal. Desde 1992 se utiliza la citometría de flujo, técnica que permite diferenciar espermatozoides X e Y según su contenido de ADN. No existe, hasta el momento, ninguna otra...

Effect of Brachionus rubens on the growth characteristics of various species of microalgae

Electron. j. biotechnol; 19 (4), 2016
Background: Cultivation of algae for conversion to biofuels has gained global interest. Outdoor raceway cultivation is preferred because of its lower capital and operating costs. A major disadvantage of outdoor cultivation is susceptibility of algal crops to attack by predatory rotifers. In order to quan...

Papel do complexo PrPc-HOP e vesículas extracelulares em câncer colorretal

O câncer colorretal (CCR) é o terceiro tipo de câncer mais comum no mundo. Apesar dos avanços nos tratamentos convencionais, aproximadamente dois terços dos pacientes com CCR são submetidos à cirurgia potencialmente curativa. Entretanto, grande parte desses pacientes evolui mal, apresentando recid...

Efeitos do fragmento variável de cadeia única anti-LDL eletronegativa vetorizado em nanocápsulas na aterosclerose experimental

As doenças cardiovasculares são a principal causa de mortalidade no mundo. A aterosclerose é a base fisiopatológica dessas doenças, sendo definida como um processo crônico-inflamatório multifatorial, resultando da interação de diferentes células como linfócitos, macrófagos, células endotelia...

Novel identification and characterisation of Transient receptor potential melastatin 3 ion channels on Natural Killer cells and B lymphocytes: effects on cell signalling in Chronic fatigue syndrome/Myalgic encephalomyelitis patients

Biol. Res; 49 (), 2016
BACKGROUND: Transient receptor potential melastatin 3 (TRPM3) cation channels are ubiquitously expressed by multiple cells and have an important regulatory role in calcium-dependent cell signalling to help maintain cellular homeostasis. TRPM3 protein expression has yet to be determined on Natural Killer ...

Galectin-8 promotes migration and proliferation and prevents apoptosis in U87 glioblastoma cells

Biol. Res; 49 (), 2016
BACKGROUND: Glioblastoma is one of the most aggressive cancers of the brain. Malignant traits of glioblastoma cells include elevated migration, proliferation and survival capabilities. Galectins are unconventionally secreted glycan-binding proteins that modulate processes of cell adhesion, migration, pro...