Microbiología
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Characterization of Extracellular Vesicles Secreted by a Clinical Isolate of Naegleria fowleri and Identification of Immunogenic Components within Their Protein Cargo
(2022-06)Abstract: Extracellular vesicles (EVs) are small lipid vesicles released by both prokaryotic and eu-karyotic cells, involved in intercellular communication, immunomodulation and pathogenesis. In this study, we performed a ... -
Highlights in Suicidal Ideation and Non-suicidal self-injury in Costa Rica children and Adolescents
(2022)Suicidal ideation and deliberate self-harm prevalence has markedly increased among youngsters over the past two decades. The objective of the work was to determine the prevalence and factors associated with deliberate ... -
Prevalencia de riesgo cardiometabólico en una muestra nacional de jóvenes costarricenses utilizando el indicador antropométrico cintura-estatura
(2022)La obesidad central es un indicador de riesgo cardiometabólico, pero se necesitan mejores medidas antropométricas que el Índice de Masa Corporal (IMC) para detectarlo. La relación cintura-estatura (WHtR) es un indicador ... -
Duración de la lactancia materna, alimentación combinada y riesgo para la salud en jóvenes costarricenses
(2022)Objetivo: examinar la asociación entre la duración de la lactancia materna y la alimentación mixta con la obesidad, riesgo cardiometabólico, grasa corporal, conductas de riesgo dietéticas y de actividad física en niños ... -
In vitro Characterization of Anti-SARS-CoV-2 Intravenous Immunoglobulins (IVIg) Produced From Plasma of Donors Immunized With the BNT162b2 Vaccine and Its Comparison With a Similar Formulation Produced From Plasma of COVID-19 Convalescent Donors
(2022)Despite vaccines are the main strategy to control the ongoing global COVID-19 pandemic, their effectiveness could not be enough for individuals with immunosuppression. In these cases, as well as in patients with ... -
Mevalonate pathway as a novel target for the treatment of metastatic gastric cancer
(2020-10)Gastric mucosa tumors may present as two distinct major entities: Diffuse and intestinal subtypes. There is no standard treatment for advanced or metastatic gastric cancer. The mevalonate pathway and cholesterol homeostasis ... -
Importance of mevalonate pathway lipids on the growth and survival of primary and metastatic gastric carcinoma cells
(2021)Purpose: This preclinical study aims to determine the effect of drugs that alter isoprenoids and cholesterol metabolism in the homeostasis of gastric carcinoma cell lines in the search for new therapeutic targets for stomach ... -
Heterologous hyperimmune polyclonal antibodies against SARS-COV-2: A broad coverage, affordable, and scalable potential immunotherapy for Covid-19
(2021-09)The emergence and dissemination of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and the resulting COVID-19 pandemic triggered a global public health crisis. Although several SARS-CoV-2 vaccines have ... -
Assessing a 6-h endpoint observation time in the lethality neutralization assay used to evaluate the preclinical efficacy of snake antivenoms
(2021-11)The lethality neutralization assay in mice is the gold standard for the evaluation of the preclinical efficacy and specification fulfillment of snake antivenoms. However, owing to the animal suffering involved, this assay ... -
Modelo de lógica difusa como alternativa para la evaluación de la satisfacción de usuarios del laboratorio clínico
(2014)La calidad consiste en un conjunto de características propias de un producto a nivel de variabilidad y cumplimiento de los requerimiento del cliente, el cual también incluye el cómo se brinda el servicio a éste. Una de ... -
Alterations in common marmoset gut microbiome associated with duodenal strictures
(2022-03-28)Chronic gastrointestinal (GI) diseases are the most common diseases in captive common marmosets (Callithrix jacchus). Despite standardized housing, diet and husbandry, a recently described gastrointestinal syndrome ... -
Analysis of gut microbiome profiles in common marmosets (Callithrix jacchus) in health and intestinal disease
(2022-03-15)Chronic gastrointestinal (GI) diseases are the most common diseases in captive common marmosets. To understand the role of the microbiome in GI diseases, we characterized the gut microbiome of 91 healthy marmosets (303 ... -
Insights into the mutation T1117I in the spike and the lineage B.1.1.389 of SARS-CoV-2 circulating in Costa Rica
(2022-06)Emerging mutations and genotypes of the SARS-CoV-2 virus, responsible for the COVID-19 pandemic, have been reported globally. In Costa Rica during the year 2020, a predominant genotype carrying the mutation T1117I in the ... -
Avances de la bioinformática en Costa Rica: Vista retrospectiva y perspectivas
(2021-11-09)Introducción: La disciplina científica de la bioinformática tiene el potencial de generar aplicaciones innovadoras para las sociedades humanas. Costa Rica, pequeña en tamaño y población en comparación con otros países de ... -
Occurrence of pathogenic microorganisms in small drinking-water systems in Costa Rica
(2022-02-03)This study describes the quality of drinking water sampled over 2 years (2018 and 2019) from 20 ASADAS (Spanish acronym for Administrative Associations for Water and Sewer Systems) in Costa Rica. The analysis included ... -
Presence and potential distribution of malaria‑infected New World primates of Costa Rica
(2022-01-08)Background: In South and Central America, Plasmodium malariae/Plasmodium brasilianum, Plasmodium vivax, Plas- modium simium, and Plasmodium falciparum has been reported in New World primates (NWP). Specifically in Costa ... -
Metagenomic pipeline for identifying co-infections among distinct SARS-CoV-2 variants of concern: Study cases from Alpha to Omicron
(2022)Concomitant infection or co-infection with distinct SARS-CoV-2 genotypes have been reported as part of the epidemiological surveillance of the COVID-19 pandemic. In the context of the spread of more transmissible variants ... -
High Efficacy of Therapeutic Equine Hyperimmune Antibodies Against SARS-CoV-2 Variants of Concern
(2021)SARS-CoV-2 variants of concern show reduced neutralization by vaccine-induced and therapeutic monoclonal antibodies; therefore, treatment alternatives are needed. We tested therapeutic equine polyclonal antibodies (pAbs) ... -
SARS-CoV-2 genomic surveillance in Costa Rica: Evidence of a divergent population and an increased detection of a spike T1117I mutation
(2021)Genome sequencing is a key strategy in the surveillance of SARS-CoV-2, the virus responsible for the COVID-19 pandemic. Latin America is the hardest-hit region of the world, accumulating almost 20% of COVID-19 cases ... -
Comparison of the adjuvant activity of emulsions with different physicochemical properties on the antibody response towards the venom of West African carpet viper (Echis ocellatus)
(2017)Adjuvant emulsions are widely used to enhance the antibody response of the animals used as immunoglobulin source for producing antivenoms. Usually, the adjuvant activity of emulsions is attributed both to their ability to ...
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