Repositorio Académico de la Universidad de Chile: Recent submissions

Now showing items 32781-32800 of 98940

    • Analysis of the Trends in Observed Extreme Temperatures in Mainland Chile Between 1966 and 2015 Using ... 
      Meseguer-Ruiz, Oliver; Corvacho, Oscar; Tapia Tosetti, Alejandro; López-Cepeda, José F.; Sarricolea, Pablo (Birkhauser Verlag AG, 2019)
      Air temperature records provide strong evidence of change and variability in the climate system. The sensitivity of temperature to changes throughout the year renders it an ideal object of study when seeking to identify ...
    • Stroke in Patients With Peripheral Artery Disease 
      Kolls, Brad J.; Sapp, Shelly; Rockhold, Frank W.; Jordan, J. Dedrick; Dombrowski, Keith E.; Fowkes, F. Gerry R.; Mahaffey, Kenneth W.; Berger, Jeffrey S.; Katona, Brian G.; Blomster, Juuso I.; Norgren, Lars; Abramson, Beth L.; Leiva-Pons, Jose L.; Prieto, Juan Carlos; (NLM (Medline), 2019)
      Background and Purpose- Predictors of stroke and transient ischemic attack (TIA) in patients with peripheral artery disease (PAD) are poorly understood. The primary aims of this analysis were to (1) determine the incidence ...
    • Long-term (15-year) objective evaluation of 150 patients after laparoscopic Nissen fundoplication 
      Csendes Juhasz, Attila; Orellana, Omar; Cuneo, Nicole; Martínez, Gustavo; Figueroa, Manuel (Mosby Inc., 2019)
      Introduction: Laparoscopic Nissen fundoplication is the preferred operative treatment for patients with gastroesophageal reflux disease. The most recent published results only refer to clinical evaluations and few discuss ...
    • Dendritic cells are crucial for cardiovascular remodeling and modulate neutrophil gelatinase-associated ... 
      Araos, Patricio; Prado, Carolina; Lozano, Mauricio; Figueroa, Stefanny; Espinoza, Alexandra; Berger, Thorsten; Mak, Tak W.; Jaisser, Frédéric; Pacheco, Rodrigo; Michea Acevedo, Luis; Amador, Cristián A. (Lippincott Williams and Wilkins, 2019)
      Background:Adaptive immunity is crucial in cardiovascular and renal inflammation/fibrosis upon hyperactivation of mineralocorticoid receptor. We have previously demonstrated that dendritic cells can respond to mineralocorticoid ...
    • Dexamethasone turns tumor antigen-presenting cells into tolerogenic dendritic cells with T cell inhibitory ... 
      Falcón Beas, Cristián; Tittarelli, Andrés; Mora-Bau, Gabriela; Tempio, Fabián; Pérez Núñez, Claudio; Hevia, Daniel; Behrens, Carolina; Flores, Iván; Falcón-Beas, Felipe; Garrido, Paola; Ascui, Gabriel; Pereda, Cristián; González, Fermín E.; Salazar Onfray, Flavio; López, Mer (Elsevier GmbH, 2019)
      Background: Dendritic cells (DCs) are usually immunogenic, but they are also capable of inducing tolerance under anti-inflammatory conditions. Immunotherapy based on autologous DCs loaded with an allogeneic melanoma cell ...
    • EEG Classification during Scene Free-Viewing for Schizophrenia Detection 
      Devia, Christ; Mayol Troncoso, Rocío; Parrini, Javiera; Orellana, Gricel; Ruiz, Aida; Maldonado Arbogast, Pedro; Egana, Jose Ignacio (Institute of Electrical and Electronics Engineers Inc., 2019)
      Currently, the diagnosis of schizophrenia is made solely based on interviews and behavioral observations by a trained psychiatrist. Technologies such as electroencephalography (EEG) are used for differential diagnosis and ...
    • Cysteine auxotrophy drives reduced susceptibility to quinolones and paraquat by inducing the expression of ... 
      Villagra, Nicolás A.; Valenzuela, L. Matías; Mora, Aracely Y.; Millanao, Ana R.; Saavedra, Claudia P.; Mora, Guido C.; Hidalgo, Alejandro A. (Elsevier B.V., 2019)
      Currently, Salmonella enterica serovar Typhimurium (S. Typhimurium), is a major global public health problem, which has caused food-borne illnesses in many countries. Today, with the extensive use of antimicrobials, ...
    • Depositional age and provenance in the San Luis Formation, Sierras Pampeanas, Argentina: Evidence from ... 
      Perón Orrillo, Juan M.; Ortiz Suárez, Ariel; Rivarola, David; Otamendi, Juan E.; Morosini, Augusto; Romero, Rurik; Leisen, Mathieu; Barra, Fernando (Elsevier Ltd, 2019)
      The San Luis Formation is one of the lithostratigraphic units constituting the early Paleozoic crystalline basement of the Sierras de San Luis, which are part of the Sierras Pampeanas of central Argentina. The low-grade ...
    • β-catenin aggregation in models of ALS motor neurons: GSK3β inhibition effect and neuronal differentiation 
      Pinto, Cristina; Medinas, Danilo B.; Fuentes Villalobos, Francisco; Maripillán, Jaime; Castro, Ariel F.; Martínez, Agustín D.; Osses, Nelson; Hetz Flores, Claudio; Henríquez, Juan P. (Academic Press Inc., 2019)
      Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disease characterized by motor neuron death. A 20% of familial ALS cases are associated with mutations in the gene coding for superoxide dismutase 1 (SOD1). The ...
    • Identification and functional analysis of missense mutations in the lecithin cholesterol acyltransferase ... 
      Tobar, Hugo E.; Cataldo, Luis R.; González, Trinidad; Rodríguez, Ricardo; Serrano, Valentina; Arteaga, Antonio; Álvarez-Mercado, Ana; Lagos, Carlos F.; Vicuña, Lucas; Miranda, José P.; Pereira, Ana; Bravo, Carolina; Aguilera, Concepción M.; Eyheramendy, Susana; Uauy Dagach-Imbarack, Ricardo (BioMed Central Ltd., 2019)
      Background: Lecithin-cholesterol acyltransferase (LCAT) is a plasma enzyme that esterifies cholesterol in high- and low-density lipoproteins (HDL and LDL). Mutations in LCAT gene causes familial LCAT deficiency, which is ...
    • Calcium-dependent inactivation controls cardiac L-type Ca2+ currents under β-adrenergic stimulation 
      Morales, Danna; Hermosilla, Tamara; Varela, Diego (NLM (Medline), 2019)
      The activity of L-type calcium channels is associated with the duration of the plateau phase of the cardiac action potential (AP) and it is controlled by voltage- and calcium-dependent inactivation (VDI and CDI, respectively). ...
    • Spatially Resolved Outflows in a Seyfert Galaxy at z =2.39 
      Fischer, Travis C.; Rigby, J. R.; Mahler, G.; Gladders, M.; Sharon, K.; Florian, M.; Kraemer, S.; Bayliss, M.; Dahle, H.; Barrientos, L. Felipe; Lopez, S.; Tejos, N.; Johnson, T.; Wuyts, E. (Institute of Physics Publishing, 2019)
      We present the first spatially resolved analysis of rest-frame optical and UV imaging and spectroscopy for a lensed galaxy at z =2.39 hosting a Seyfert active galactic nucleus (AGN). Proximity to a natural guide star has ...
    • Estimating vocal fold contact pressure from raw laryngeal high-speed videoendoscopy using a Hertz contact model 
      Díaz-Cádiz, Manuel E.; Peterson, Sean D.; Galindo, Gabriel E.; Espinoza, Víctor M.; Motie-Shirazi, Mohsen; Erath, Byron D.; Zañartu, Matías (MDPI AG, 2019)
      The development of trauma-induced lesions of the vocal folds (VFs) has been linked to a high collision pressure on the VF surface. However, there are no direct methods for the clinical assessment of VF collision, thus ...
    • Extracellular vesicles from osteosarcoma cell lines contain miRNAs associated with cell adhesion and apoptosis 
      Jerez, Sofía; Araya, Héctor; Hevia, Daniel; Irarrázaval, Carlos E.; Thaler, Roman; van Wijnen, Andre J.; Galindo, Mario A. (Elsevier B.V., 2019)
      Osteosarcoma is the most common primary bone tumor during childhood and adolescence. Several reports have presented data on serum biomarkers for osteosarcoma, but few reports have analyzed circulating microRNAs (miRNAs). ...
    • Microstructure homogeneity of milled aluminum A356-Si3N4 metal matrix composite powders 
      Fernández, Heydi; Ordoñez, Stella; Pesenti, Hector; González, Rodrigo Espinoza; Leoni, Matteo (Elsevier Editora Ltda, 2019)
      A metal matrix composite was produced by co-milling an A356 aluminum alloy powder obtained by rotating electrode off-equilibrium solidification, with different mass fractions (10, 20 and 30%) of Si3N4. The structural and ...
    • ABA and its signaling pathway are involved in the cold acclimation and deacclimation of grapevine buds 
      Rubio, Sebastián; Pérez, Francisco J. (Elsevier B.V., 2019)
      The grapevine (Vitis vinifera L.) buds as well as the buds of other deciduous fruit trees acclimate and deacclimate to the cold during the autumn-winter season. Cold acclimation (CA) is characterized by an increase in bud ...
    • SCOPE: SCUBA-2 Continuum Observations of Pre-protostellar Evolution - Survey description and compact source ... 
      Eden, D. J.; Liu, Tie; Kim, Kee Tae; Juvela, M.; Liu, S. Y.; Tatematsu, K.; Di Francesco, J.; Wang, K.; Wu, Y.; Thompson, M. A.; Fuller, G. A.; Li, Di; Ristorcelli, I.; Kang, Sung Ju; Hirano, N.; Johnstone, D.; Lin, Y.; He, J. H.; Koch, P. M.; Sanhueza, Patricio; Qin, S. L.; (Oxford University Press, 2019)
      We present the first release of the data and compact-source catalogue for the JCMT Large Program SCUBA-2 Continuum Observations of Pre-protostellar Evolution (SCOPE). SCOPE consists of 850 μm continuum observations of 1235 ...
    • As(III) removal from aqueous solution by calcium titanate nanoparticles prepared by the sol gel method 
      Tamayo Calderón, Rocío María; Espinoza González, Rodrigo; Gracia, Francisco; Rodrigues-Filho, Ubirajara Pereira; Flores Carrasco, Marcos; Sacari, Elisban (MDPI AG, 2019)
      Arsenic (As) contamination of water is a serious problem in developing countries. In water streams, arsenic can be as As(V) and As(III), the latter being the most toxic species. In this work, an innovative adsorbent based ...
    • Modestobacter italicus sp. Nov., isolated from carrara marble quarry and emended descriptions of the genus ... 
      Montero-Calasanz, Maria Del Carmen; Yaramis, Adnan; Nouioui, Imen; Igua, José Mariano; Spröer, Cathrin; Castro, Jean Franco; Schumann, Peter; Klenk, Hans Peter; Urzì, Clara (Microbiology Society, 2019)
      A Gram-reaction-positive, aerobic bacterial strain showing coccoid cells and designated as BC 501T was isolated from a black patina of the surface of a Carrara marble blockin the Gioia quarry in Tuscany, Italy. A polyphasic ...
    • Postmenopausal androgen-secreting ovarian tumors: challenging differential diagnosis in two cases 
      Arteaga, E.; Martinez, A.; Jaramilo, J.; Villaseca, P.; Cuello, M.; Valenzuela, P.; Gejman, R.; Blumel, J. E. (NLM (Medline), 2019)
      Postmenopausal hyperandrogenism constitutes a very rare condition of tumoral or non-tumoral origin primarily residing either in the ovary or in the adrenal glands. We present herein two cases with this condition; one with ...