Listar Microbiología por título
Mostrando ítems 504-523 de 1168
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Extracellular vesicles of Trypanosoma cruzi and immune complexes they form with sialylated and non-sialylated IgGs increase small peritoneal macrophage subpopulation and elicit different cytokines profiles
(2023)American trypanosomiasis, or Chagas disease, is caused by the protozoan parasite Trypanosoma cruzi and is characterized by the presence of cardiac or gastrointestinal symptoms in a large number of patients during the chronic ... -
Extracellular vesicles of Trypanosoma cruzi tissue-culture cell-derived trypomastigotes: Induction of physiological changes in non-parasitized culture cells
(2019-02-21)Background: Trypanosoma cruzi is the obligate intracellular parasite that causes Chagas disease. The pathogenesis of this disease is a multifactorial complex process that involves a large number of molecules and particles, ... -
Extracellular vesicles of trypomastigotes of Trypanosoma cruzi induce changes in ubiquitin-related processes, cell-signaling pathways and apoptosis
(2023)Chagas disease is caused by the protozoan parasite Trypanosoma cruzi. The disease has an acute and a chronic phase in which approximately 30% of the chronic patients suffer from heart disease and/or gastrointestinal symptoms. ... -
Extracts of Renealmia alpinia (Rottb.) MAAS Protect against Lethality and Systemic Hemorrhage Induced by Bothrops asper Venom: Insights from a Model with Extract Administration before Venom Injection
(2015)Renealmia alpinia (Rottb.) MAAS, obtained by micropropagation (in vitro) and wild forms have previously been shown to inhibit some toxic activities of Bothrops asper snake venom if preincubated before injection. In this ... -
Exudados y trasudados en el laboratorio clínico: propuesta de un protocolo de análisis
(2023)Introducción: El análisis de líquidos corporales es crucial para el diagnóstico, tratamiento y seguimiento de enfermedades, así como para identificar complicaciones. Estas muestras son valiosas y requieren un manejo ... -
Factores asociados con la incidencia de dengue en Costa Rica
(2011)Objetivo. Determinar el grado de influencia de diferentes variables socioeconómicas, demográficas, geográficas y climáticas con respecto a la incidencia de dengue y dengue hemorrágico (D/DH) en Costa Rica durante el período ... -
Factors associated with adverse reactions induced by caprylic acid-fractionated whole IgG preparations: comparison between horse, sheep and camel IgGs
(2005-12)Caprylic acid purification of IgG, currently used in the manufacture of horse-derived antivenoms, was successfully adapted for the preparation of sheep and camel IgG. Sheep IgG had a molecular mass of approximately 150 ... -
Fatal meningoencephalitis in child and isolation of Naegleria fowleri from hot springs in Costa Rica
(2015-02)In summary, this investigation identified an N. fowleri ameba in water sources at a resort in Costa Rica that had been visited by a child from the United States who died of PAM as a results of N. fowleri infection. These ... -
Feeding behavior and venom toxicity of coral snake Micrurus nigrocinctus (Serpentes: Elapidae) on its natural prey in captivity
(2004-08)The feeding behavior and venom toxicity of the coral snake Micrurus nigrocinctus (Serpentes: Elapidae) on its natural prey in captivity were investigated. Coral snakes searched for their prey (the colubrid snake Geophis ... -
First characterization of the probiotic potential of lactic acid bacteria isolated from Costa Rican pineapple silages
(2021)Background. Agro-industrial waste from tropical environments could be an important source of lactic acid bacteria (LAB) with probiotic potential. Methods. Twelve LAB isolates were isolated from pineapple silages. The ... -
First crotoxin-like phospholipase A2 complex from a New World non-rattlesnake species: Nigroviriditoxin, from the arboreal Neotropical snake Bothriechis nigroviridis
(Toxicon vol 93:144–154, 2015-01)Bothriechis nigroviridis is an arboreal Neotropical pitviper found in Costa Rica and Panam a. A previous proteomic profiling of its venom revealed the presence of proteins with homology to the A and B subunits of ... -
First insights into the venom composition of two Ecuadorian coral snakes
(2022)Micrurus is a medically relevant genus of venomous snakes composed of 85 species. Bites caused by coral snakes are rare, but they are usually associated with very severe and life-threatening clinical manifestations. Ecuador ... -
First isolation report of Arcobacter cryaerophilus from a human diarrhea sample in Costa Rica
(2017)Arcobacter cryaerophilus is an emerging enteropathogen and potential zoonotic agent transmitted by food and water. In Costa Rica, this bacterium has not been associated with cases of human gastroenteritis, even though it ... -
First look into the venom of Roatan Island´s critically endangered coral snake Micrurus ruatanus: proteomic characterization, toxicity, immunorecognition and neutralization by an antivenom
(2019)A proteomic and toxicological study of the venom from one specimen of Micrurus ruatanus, a critically endangered coral snake species endemic to Roatan Island, Honduras, was carried out. Immunorecognition and neutralization ... -
First report of acariasis by Caparinia tripilis in African hedgehogs, (Atelerix albiventris), in Costa Rica
(2013)The African hedgehog is one of the newly imported exotic pets which have been observed with increasing regularity in veterinary clinics in Costa Rica. Despite their popularity, information about their diseases is scarce. ... -
First Report of the Isolation and Molecular Characterization of Rickettsia amblyommii and Rickettsia felis in Central America
(2011-10-05)During 2010, 15 adult ticks, identified as Amblyomma cajennense, were collected from horses in Cahuita and Turrialba districts, whereas 7 fleas, identified as Ctenocephalides felis, were collected from a dog in San Jose ... -
Flora Bacteriana de la Cavidad Oral del Mono Tití (Saimiri Oerstedii) Y su Perfil de Sensibilidad a Antibióticos
(2007-12)Se estudió la flora bacteriana y su patrón de sensibilidad antimicrobiana en la cavidad oral de 33 monos Saimiri oerstedii: 31 silvestres y 2 en cautiverio. Con torunda estéril se rasparon los dientes y la cavidad bucal ... -
Fluorescence Imaging Approaches in Flavivirus Research
(2021-10-01)The genus Flavivirus within the family Flaviviridae contains many arthropod-borne infectious agents of medical relevance like dengue virus (DENV), Zika virus (ZIKV), and West Nile virus (WNV), among others, that cause ... -
Focal Philophthalmus gralli infection possibly persists in Melanoides tuberculata over two years following the definitive hosts' removal
(2014)Philophthalmosis is a zoonotic disease associated largely with the spread of the invasive freshwater snail Melanoides tuberculata, serving as an intermediate host. Here we examined Philophthalmus gralli focal fenced infection ...