Repositorio Académico de la Universidad de Chile: Recent submissions
Now showing items 42841-42860 of 99437
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(1997)1. The synthesis and secretion of aldosterone in the adrenal zona glomerulosa in physiologic conditions is controlled by adrenocorticotropin (ACTH), angiotensin II (AII), and extracellular (K+). 2. ACTH effects on aldosterone ...
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(1997)If the H-2 congenic mouse strains A.SW (H-2(s)) and A.CA (H-2(f)), are infected with Trypanosoma cruzi, a 45 kDa protein (Tc45), present in cultured epimastigotes and blood trypomastigotes, is recognized only by the A.SW ...
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(Oxford University Press, 1997)The present study assesses the endocrinological, endometrial histology and vaginal ultrasound profiles of nomegestrol acetate subdermal implant users at varying times after insertion. Follicle stimulatory hormone, luteinizing ...
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(Oxford University Press, 1997)The aim of this study was to assess how effectively the Rovumeter®, designed for the volumetric self-sampling of cervicovaginal fluid (CVF), can be used to locate the minimum period of potential fertility (PPF) during ...
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(1996)Antimitochondrial antibodies (AMA) are characteristically present in the serum of patients with primary biliary cirrhosis (PBC). AMA detection constitutes an important step for the clinical diagnosis of PBC, the indirect ...
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(1997)Basilar-membrane responses to single tones were measured, using laser velocimetry, at a site of the chinchilla cochlea located 3.5 mm from its basal end. Responses to low-level (<10-20 dB SPL) characteristic-frequency ...
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(National Academy of Sciences, 1997)Large conductance calcium- and voltage-sensitive K+ (MaxiK) channels share properties of voltage-and ligand-gated ion channels. In voltage-gated channels, membrane depolarization promotes the displacement of charged residues ...
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(Pan American Health Organization, 1997)No published information is currently available about formal 'do not resuscitate' (DNR) orders for pediatric patients in developing countries, even though there has been extensive discussion of how to determine who should ...
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(1997)This study was performed to evaluate the effects on mechanical and metabolic function of endogenous endothelin-1 on post-ischaemic myocardial stunning. Isolated rat hearts were given BQ-123 (710 nM) or vehicle alone before ...
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(1997)The morphological involution and histochemical changes of the Syrian hamster (Mesocricetus auratus) epididymis induced by a short light period were investigated. Under short-day conditions, the epididymis showed marked ...
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(1997)A model for testing molecular evolution is proposed. Randomness of recurrent mutation is defined based on isotropy and zero convariance among nucleotide sites. Assuming an equal rate of mutation for the bases A, T, G, and ...
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(Kluwer Academic Publishers, 1997)Two Frankia strains, Chl1 from Colletia hystrix and Re16 from Retanilla ephedra, were assayed to determine the germinability of their spores and the stages of the life cycle in different media. In BAP medium, both strains ...
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(1997)We have studied the effect of intracellular pH (pH(i)) shifts on the activity of Ca2+-dependent, inwardly rectifying K+ channels of HeLa cells. Recordings of macroscopic currents in symmetrical 145 mM K+ and internal pH ...
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(Kluwer Academic Publishers, 1997)The loss of part of the lipopolysaccharides (LPS) of the outer membrane of T. ferrooxidans negatively influenced the attachment of the bacteria to minerals and the bioleaching process. LPS previously extracted from T. ...
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Respiratory syncytial virus infection in infants is associated with predominant Th-2-1ike response (American Thoracic Society, 1997)Viral infections have been associated with cellular immune responses and production of Th-1 cytokines. Respiratory syncytial virus (RSV), however, induces virus-specific IgE, which might be a consequence of a Th-2-like ...
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(American Society for Microbiology, 1997)Microcin E492 is a polypeptide antibiotic that is produced and excreted by Klebsiella pneumoniae RYC492. The genetic determinants for microcin synthesis and immunity were cloned in Escherichia coli VCS257 into the cosmid ...
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(1997)An international, multicenter, placebo-controlled study was undertaken to determine the safety and antidepressant efficacy of moclobemide, a new reversible inhibitor of monoamine oxidase A, and imipramine in the treatment ...
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(1996)Glycosidases secreted by the epididymis become bound to the surface of spermatozoa during their transit through the epididymal duct. They are believed to play a role in mammalian fertilization. In the present report, we ...
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(1997)In response to insulin-like growth factor-I (IGF-I), neonatal rat cardiac myocytes exhibit a hypertrophic response. The elucidation of the IGF- I signal transduction system in these cells remains unknown. We show here that ...
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(Academic Press, 1997)The advertisement call of the leptodactylid frog Batrachyla antartandica from southern Chile consists of a train of brief percussive tone pulses whose energy is centred at about 2 kHz. To gain an understanding of the ...
