Repositorio Académico de la Universidad de Chile: Recent submissions
Now showing items 40101-40120 of 98912
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(Springer New York LLC, 2006)Neurotoxlns represent unique chemical tools, providing a means to 1) gain insight into cellular mechanisms of apopotosis and necrosis, 2) achieve a morphological template for studies otherwise unattainable, 3) specifically ...
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(2007)Background: Methylation is an inactivation mechanism for tumor suppressor genes, that can have important clinical implications. Aim: To analyze the methylation status of 11 tumor suppressor genes in pathological samples ...
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(2007)Background: A high prevalence of obesity is the main public health problem in Chilean school children. Aim: To compare the nutritional status, consumption of selected foods and extracurricular physical activity (PA) habits ...
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(2007)Background and aims: Several studies have shown the beneficial effects of folate treatment in improving cardiovascular function. However, the mechanisms involved have not been clearly identified. The aim of this study is ...
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(2006)Lipids comprize from 50-60% of the structural matter of the brain and docosahexaenoic acid (C22:6, DHA) is the most important omega-3 long-chain polyunsaturated fatty acid in the brain phospholipids comprizing 25% of the ...
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(2007)Odontogenic Calcificant Cystic Tumor (OCCT) is an infrequent injury. It arises from odontogenic epithelial rests present in the maxilla, jaw or gum. Gorlin and col. described the OCCT for first time as an own pathological ...
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(2007)Background: In Chile, cocaine base paste (CBP) is the illegal substance that produces the highest rate of addiction. Nonetheless, a marginal number of users receive treatment each year. Aim: To compare the consumption ...
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(2007)Glutamyl-tRNA (Glu-tRNA), formed by Glu-tRNA synthetase (GluRS), is a substrate for protein biosynthesis and tetrapyrrole formation by the C 5 pathway. In this route Glu-tRMA is transformed to δ-aminolevulinic acid, the ...
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(2006)Fish oils are the main sources of omega-3 (ω3) polyunsaturated acids (PUFA) such as eicosapentaenoic (C20:5ω3) and docosahexaenoic (C22:6ω3) acids. World demand for ω3 PUFA shows an increasing trend mainly due to the growth ...
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(1997)Determination of plasmatic and tissular cytokine concentrations in inflammatory bowel diseases have frequently resulted in conflicting data. The aim of this study is to determine, in patients with ucerative colitis (UC), ...
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(2006)To introduce innovation in clinical practice is a difficult task. Although there is no universal recipe, education of involved actors has been identified as a key factor, including managers, health care workers, patients, ...
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(2006)Background: It has been proposed that the toll-like receptor-4 gene (TLR4) may participate in the development of obesity and osteoporosis, in addition to its well-known role in the immune response. On the other hand, the ...
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(2007)We report a 42 years old HIV negative male admitted for fever of unknown origin. Initial laboratory evaluation showed elevated hepatic transaminases and alkaline phosphatase and an hipodense hepatic imagen was visualized ...
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(2006)Variegate porphyria (VP) results from a hereditary deficiency of protoporphyrinogen oxidase (PPOX) that is transmitted in an autosomal dominan fashion. The diagnosis is based on the clinical symptoms and is confirmed ...
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(2007)During cell division, cessation of transcription is coupled with mitotic chromosome condensation. A fundamental biological question is how gene expression patterns are retained during mitosis to ensure the phenotype of ...
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(BioScientifica Ltd., 2007)Vasoactive intestinal polypeptide (VIP) stimulates estradiol and progesterone release from ovarian granulosa cells in vitro. Very little information is available as to the role VIP plays in the control of steroid secretion ...
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(2007)This study examined the placentation in the degu, the origin of the extrasubplacental trophoblast (EST) (extravillous trophoblast in human), and the activity of Na+/K+ ATPase in the placental barrier during different ...
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Adrenarche in Prader-Willi syndrome appears not related to insulin sensitivity and serum adiponectin (2007)Prader-Willi syndrome (PWS) is a genetic disorder characterized by dysmorphic features, obesity, hypogonadism, hypotonia and mental retardation. Obesity has been linked to insulin resistance and the latter has also been ...
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(2007)A number of psychiatric and neurodegenerative disorders, such as Alzheimer's disease, are characterized by abnormalities in the neuronal cytoskeleton. Here, we find that the enhancement in actin polymerization induced by ...
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(2006)This paper consists of a theoretical review and the construction, through analytic induction, of a model that establishes structural relations between leadership styles, the strategic decision-making process and efficacy ...
