Repositorio Académico de la Universidad de Chile: Recent submissions
Now showing items 39481-39500 of 99019
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(2010)Studies show that environmental modifications can produce profound alterations in the normal development of the visual cortex and its connectivity. For the other hand it is possible that in natural conditions, animal species ...
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(2010)Considerable research has examined the contrasting predictions of configural and elemental associative accounts of learning. One of the simplest methods to distinguish between these approaches is the summation test, in ...
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(Sociedad Chilena de Infectologia, 2010)Depression is one of the main psychiatric co-morbidities in HIV infection, presenting with a significantly higher prevalence than in the general population (around 35%). Its presence has been associated with poor quality ...
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P450-aromatase activity and expression in human testicular tissues with severe spermatogenic failure (Blackwell Publishing Ltd, 2010)There is evidence that impaired spermatogenesis is associated with an imbalance in the oestradiol/testosterone ratio and with Leydig cell (LC) dysfunction. In testis, P450-aromatase, encoded by CYP19, is responsible for ...
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(2010)BACKGROUND: Infusion of diverse types of bone marrow cells, as a source of endothelial progenitor cells (EPCs), into the ischemic myocardium is emerging as a promising therapy for coronary ischemia, probably mediated by ...
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(Universidad de la Frontera, 2010)We studied the respiratory surface density and the thickness of the air-blood barrier in the Picui Ground Dove (Columbina picui), and compared it with Eared Dove (Zenaida auriculata) and Blacked-winged Ground Dove (Metropelia ...
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(Universidad de la Frontera, 2009)The objective of this study was to evaluate weight, height, body mass index (BMI) and oxygen consumption (VO2 max) in a sample of 73 students of 10 to 12 years from Putre to 3500 meters of altitude (n = 31) and San Miguel ...
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(2010)Background: Policystic ovary syndrome (PCOS) is a very common endocrine disease in women of reproductive age, of uncertain etiology and heterogeneous clinical presentation. The introduction of the Rotterdams Consensus ...
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(2010)Calpains contribute to reperfusion-induced myocardial cell death. However, it remains controversial whether its activation occurs during ischemia or reperfusion. We investigated the regulation and time-course of calpain ...
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(2010)Despite the importance of adipocyte formation for adipose tissue physiology, current knowledge about the mechanisms that regulate the recruitment of progenitor cells to undergo adipogenic differentiation is limited. A role ...
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(Sociedad Chilena de Infectologia, 2010)The article summarizes the scientific evidence related with protection conferred by the 23 valent polysacchardie vaccine against invasive pneumococcal disease, non bacteriemic pneumococcal pneumonia, and probable pneumococal ...
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(2010)In humans, a direct relationship between IGF-I cord blood levels and birth weight has been demonstrated. To determine the placental IGF-I, IGF-II and IGF-IR mRNA and protein contents in full-term pregnancies from appropriate ...
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(2010)Background: ST2 has been proposed to be a regulator of inflammation and Th1/Th2 balance. ST2L is the IL-33 membrane receptor and belongs to the IL-1R family. The soluble variant, ST2s, is identical to the extracellular ...
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(2010)Many hypotheses have been raised regarding the pathophysiology of Alzheimer's disease (AD). Because amyloid beta peptide (Aβ) deposition in senile plaques appears as a late, nonspecific event, recent evidence points to tau ...
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(2010)Objective: To evaluate the efficacy and safety of golimumab to 52 weeks in patients with active rheumatoid arthritis despite methotrexate. Methods: Patients were randomly assigned to receive placebo plus methotrexate (group ...
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(2010)The paper reviews how gestures influence the working memory of students with mild intellectual disability. Our general hypothesis is that retention of verbal information in working memory will vary as a function of the use ...
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(2010)Objectives: Ischemic preconditioning (IP) affords resistance to liver ischemia-reperfusion (IR) injury, providing an early phase of protection. Development of delayed IP against IR injury was assessed using partial IR in ...
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(2010)Robert Walser (1878-1956) is an important but unknown European writer of the twentieth century. He was also a mysterious and solitary man who lived at the margins of society. After the questionable diagnosis of schizophrenia, ...
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(Sociedad Medica de Santiago, 2010)Background: Type 2 Diabetes Mellitus is not always treated successfully, in part due to the difficulties perceived by the medical community about the use of insulin. Aim: To identify the constraints perceived by primary ...
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(2010)The inhibitory effects of a standarized apple peel polyphenol-rich extract (APPE) against Helicobacter pylori infection and vacuolating bacterial toxin (VacA) induced vacuolation were investigated. Apple peel polyphenols ...
