Browsing Medicina, ciencias biomédicas y salud pública by Title
Now showing items 1309-1328 of 1395
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The geographic origin of Helicobacter pylori isolated from Costa Rican patients
(2014-07)Helicobacter pylori infects a significant proportion of the world population and it is associated with pathologies which include chronic atrophic gastritis, peptic ulcer, and gastric neoplasias such as gastric adenocarcinoma ... -
The Haemophilus ducreyi cytolethal distending toxin induces DNA double-strand breaks and promotes ATM-dependent activation of RhoA
(Celular Microbiology : 5(10), p. 695-707, 2003)Among bacterial protein toxins, the cytolethal distending toxins (CDTs) are unique in their ability to activate the DNA damage checkpoint responses, causing cell cycle arrest or apoptosis in intoxicated cells. We provide ... -
The Hippo Kinase LATS2 Controls Helicobacter pylori-Induced Epithelial-Mesenchymal Transition and Intestinal Metaplasia in Gastric Mucosa
(2020)Gastric carcinoma is related mostly to CagA+-Helicobacter pylori infection, which disrupts the gastric mucosa turnover and elicits an epithelial-mesenchymal transition (EMT) and preneoplastic transdifferentiation. The tumor ... -
The importance of integrons for development and propagation of resistance in Shigella: the case of Latin America
(2016)In Latin America, the disease burden of shigellosis is found to coexist with the rapid and rampant spread of resistance to commonly used antibiotics. The molecular basis of antibiotic resistance lies within genetic elements ... -
The Latin American Consortium of Studies in Obesity (LASO)
(2009)Current, high-quality data are needed to evaluate the health impact of the epidemic of obesity in Latin America. The Latin American Consortium of Studies of Obesity (LASO) has been established, with the objectives of (i) ... -
The Nicoya region of Costa Rica: A high longevity island for elderly males
(Vienna Yearbook of Population Research, Vol 11, 2013-11)Reliable data show that the Nicoyan region of Costa Rica is a hot spot of high longevity. A survival follow-up of 16,300 elderly Costa Ricans estimated a Nicoya death rate ratio (DRR) for males 1990–2011 of 0.80 (0.69–0.93 ... -
The oxidative metabolism of sparteine in the Cuna Amerindians of Panama: Absence of evidence for defient metabolizers
(1988-04-20)Sparteine sulfate (50 mg) was administered to 170 Cuna Amerindians, 142 of whom were unrelated, and the drug and its dehydrometabolites were determined in the 0- to 12-hour urine samples. The log10 of the metabolic ratio ... -
The relation between trans fatty acid levels and increased risk of myocardial infarction does not hold at lower levels of trans fatty acids in the costa rican food supply
(2006)Data on the effects of recent industrial modifications that reduced the trans fatty acid (TFA) content in food supplies are scarce. In this study, incident cases (n = 1797) of a first nonfatal myocardial infarction (MI) ... -
The Santa María Cauqué Study: Health and survival of Mayan indians under deprivation, Guatemala
(1995)The study discussed in this chapter is described in detail with multiple photographs, figures, tables and references in the book The Children of Santa Maria Cauqui: A Prospective FieldStudy ofHealth and Growth (Mata, 1978a). ... -
The serotonin transporter 5-HTTPR polymorphism is associated with current and lifetime depression in persons with chronic psychotic disorders
(Acta Psychiatr Scand 2009: 119: 117–127, 2009-01-11)Objective: Variation in the serotonin transporter gene (SLC6A4) promoter region has been shown to influence depression in persons who have been exposed to a number of stressful life events. Method: We evaluated whether ... -
The Type of Oil Used for Cooking Is Associated with the Risk of Nonfatal Acute Myocardial Infarction in Costa Rica
(2005)Palm oil and soybean oil are the 2 most widely used cooking oils in the world. Palm oil is consumed mainly in developing countries, where morbidity and mortality due to cardiovascular disease (CVD) are on the rise. Although ... -
There is no valid excuse for failing to commit substantial resources to improving the environment
(1986)The primary aim of all governments should be to enable all their citizens to satisfy their basic human rights of freedom, adequate food, health and shelter. In the wake of in the environment and improved health education. ... -
Time course of deficits in open field behavior after unilateral neostriatal 6-hydroxydopamine lesions
(2002)In this study, the degree and time course of deficits in open field behavior was analyzed in male Wistar rats (aged 1 year) which had received unilateral neostriatal lesions with 6-OHDA. The post-mortem neurochemical ... -
Tipología y conducta de riesgo de infección con el Virus de la Inmunodeficiencia Humana (HIV), de hombres homosexuales de Costa Rica, 1985-1987
(1988)Se describe una tipología de hombres homosexuales en Costa Rica, de acuerdo a información obtenida mediante observación prospectiva cuyo objetivo fue conocer factores de riesgo de infección y Ia seroconversión al virus de ... -
Tobacco smoking modifies association between Gln-Arg 192 polymorphism of human paraoxonase gene and risk of myorcardial infarction
(2000)Paraoxonase, a high density lipoprotein—associated human serum enzyme, plays a role in atherosclerosis by protecting against lipid peroxidation. Its activity is modulated by 2 common amino acid polymorphisms at positions ... -
Tocólisis en la mujer con amenaza de parto pretérmino: nifedipina vs. sulfato de magnesio, una revisión sistemática con metaanálisis
(2019)RESUMEN Antecedentes Dada la relativa frecuencia del parto pretérmino y sus potenciales repercusiones a nivel perinatal y neonatal, la convierten en una entidad de interés en salud pública; que idóneamente debería ser ... -
Trabeculotomía transluminal asistida por gonioscopía (GATT): alternativa actual para el tratamiento del glaucoma
(2020)El procedimiento de trabeculotomía transluminal asistida por gonioscopía (GATT) representa una novedosa técnica para el tratamiento de algunos tipos de glaucoma, que ha demostrado ser efectiva y con muy pocas complicaciones ... -
Transfer of Ampicillin resistance from Shigella Dysenterle type 1 to Escherichia Coli
(1976-07)We have found that ampicillin resistance in Shigella dysenterice 1 (Shiga bacillus) is mediated by a plasmid. S. dysenterice 1 was endemic in Europe before the 1914-18 war and eventually became replaced by S. flexneri and ... -
Las transferencias intergeneracionales en Costa Rica
(Notas de Población N° 90 CEPAL 111-132, 2010-11)En este artículo se presentan las estimaciones del sistema de transferencias intergeneracionales de Costa Rica para 1991 y 2004. Los resultados más destacados de este ejercicio permitieron advertir que el tramo de edades ... -
Transfusión de hemocomponentes como tratamiento de la hemorragia transoperatoria en el paciente adulto
(2020)Este trabajo final de graduación busca realizar un resumen completo del manejo de hemocomponentes en sala de operaciones para el paciente con sangrado transoperatorio. Buscando realizar la actualización ...