In cancer, B cells have been classically associated with antibody secretion, antigen presentation and T cell activation. However, a possible role for B lymphocytes in impairing antitumor response and collaborating with tumor growth has been brought into focus. Recent reports have described the capacity o...
Antígenos de Neoplasias/inmunología,
Linfocitos B Reguladores/inmunología,
Recuento de Células,
Línea Celular Tumoral,
Proliferación Celular/fisiología,
Citometría de Flujo,
Tolerancia Inmunológica/inmunología,
Ganglios Linfáticos/inmunología,
Ganglios Linfáticos/patología,
Ratones Endogámicos BALB C,
Fenotipo,
Sarcoma/inmunología,
Sarcoma/patología,
Linfocitos T Reguladores/inmunología
Após o surgimento e disseminação das β-lactamases de amplo espectro em membros da família Enterobacteriaceae, os antibióticos carbapenêmicos (imipenem, meropenemeertapenem) têm sido considerados a terapia de escolha devido à estabilidade apresentada contra estas enzimas. A desvantagem destes ant...
Sourdough is a mixture of flour and water fermented by lactic acid bacteria and yeast, with a large use in bakery products. This study was developed with Brazilian grape (Niagara rosada) sourdough obtained from spontaneous fermentation. The aim of this work was to characterize genotypic and phenotypicall...
BACKGROUND: We found a strong selective 3-sites periodicity of deviations from randomness of the dinucleotide (DN) distribution, where both bases of DN were separated by 1, 2, K sites in prokaryotes and mtDNA. Three main aspects are studied. I) the specific 3 K-sites periodic structure of the 16 DN. II) ...
Villagra, Evelyn;
Campos-Hernandez, Carola;
Cáceres, Pablo;
Cabrera, Gustavo;
Bernardo, Yamilé;
Arencibia, Ariel;
Carrasco, Basilio;
Caligari, Peter DS;
Pico, José;
García-Gonzales, Rolando.
BACKGROUND: For the first time, a morphometric characterization of chaura (Gaultheria pumila) fruits has been conducted between natural populations growing in the Villarrica National Park, Araucania Region, Chile. Chaura is a native Ericaceae from Chile that produces aromatic and tasty fruits which could...
Antocianinas/análisis,
Frutas/anatomía & histología,
Frutas/química,
Gaultheria/anatomía & histología,
Gaultheria/química,
Pectinas/análisis,
Antioxidantes/análisis,
Biodiversidad,
Chile,
Productos Agrícolas,
Valor Nutritivo,
Fenotipo,
Refractometría,
Análisis de Varianza
Listeria monocytogenes é um importante patógeno de origem alimentar que causa listeriose, infecção severa que acomete, principalmente, gestantes, idosos, crianças e imunocomprometidos, e que apresenta elevada taxa de mortalidade. A bactéria está amplamente distribuída no ambiente e é comumente e...
Fenotipo,
Genotipo,
Listeria monocytogenes/aislamiento & purificación,
Listeria monocytogenes/aislamiento & purificación,
Virulencia,
Listeria monocytogenes/aislamiento & purificación,
Productos de la Carne/análisis,
Productos de la Carne/análisis,
Productos de la Carne/análisis,
Tipificación Molecular/instrumentación,
Tipificación Molecular/instrumentación,
Tipificación Molecular/instrumentación,
/patogenicidad,
/patogenicidad,
/patogenicidad
Background: Plants differ in the methods used to acquire nutrients from environments with low nutrient availability, and may change the morphology of their root architecture to be able to take up nutrients. Results: In the present study rye response to stress caused by high and low nitrogen-potassium...
Secale/fisiología,
Secale/genética,
Estrés Fisiológico,
Adaptación Fisiológica,
Estrés Oxidativo,
Nitrógeno,
Potasio,
Técnicas In Vitro,
Recombinación Genética,
Fenotipo,
Análisis Multivariante,
Nutrientes
RIC-8B é uma proteína que apresenta, in vitro, atividade de fator de troca de nucleotídeos guanina (GEF). No entanto, seu papel in vivo não é conhecido. Dados anteriores do nosso laboratório demonstraram que essa proteína interage especificamente com Gαolf, que é uma proteína G exclusiva do sis...
Linezolid was the first agent of the oxazolidinone class to be introduced clinically. This oxazolidinone inhibits protein biosynthesis by preventing the formation of the initiation complex that consists of the mRNA, the f-Met tRNA and the 50S subunit of the ribosome. Although linezolid resistance has bee...
Recent advances in anthelmintic resistant phenotype reversion by Pgp modulating drugs in ruminant nematodes indicate that this can be a useful tool to helminth control. The aim of the present study was to evaluate the efficacy of ivermectin (IVM) in combination with verapamil (VRP), in oil or water-based...