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Now showing items 8873-8892 of 91729

    • ATOMS: ALMA three-millimeter observations of massive star-forming regions - II. Compact objects in ACA ... 
      Liu, Tie; Evans, Neal J.; Kim, Kee-Tae; Goldsmith, Paul F.; Liu, Sheng-Yuan; Zhang, Qizhou; Tatematsu, Ken’ichi; Wang, Ke; Juvela, Mika; Bronfman Aguiló, Leonardo; Cunningham, Maria. R.; Garay Brignardello, Guido; Hirota, Tomoya; Lee, Jeong-Eun; Kang, Sung-Ju; Li, Di; Li, Pak Shing; Mardones Pérez, Diego; Qin, Sheng-Li; Ristorcelli, Isabelle; Tej, Anandmayee; Toth, L. Viktor; Wu, Jing-Wen; Wu, Yue-Fang; Yi, Hee-weon; Yun, Hyeong-Sik; Liu, Hong-Li; Peng, Ya-Ping; Li, Juan; Li, Shang Huo; Lee, Chang Won; Shen, Zhi-Qiang; Baug, Tapas; Wang, Jun-Zhi; Zhang, Yong; Issac, Namitha; Zhu, Feng-Yao; Luo, Qiu-Yi; Liu, Xun-Chuan; Xu, Feng-Wei; Wang, Yu; Zhang, Chao; Ren, Zhiyuan; Zhang, Chao (Oxford University Press, 2020)
      We report studies of the relationships between the total bolometric luminosity (L-bol or L-TIR) and the molecular line luminosities of J = 1 - 0 transitions of (HCN)-C-13, (HCO+)-C-13, HCN, and HCO+ with data obtained from ...
    • ATOMS: ALMA Three-millimeter Observations of Massive Star-forming Regions - X. Chemical differentiation ... 
      Peng, Yaping; Liu, Tie; Qin, Sheng-Li; Baug, Tapas; Liu, Hong-Li; Wang, Ke; Garay Brignardello, Guido Alejandro; Zhang, Chao; Chen, Long-Fei; Lee, Chang Won; Juvela, Mika; Li, Dalei; Tatematsu, Ken'ichi; Liu, Xun-Chuan; Lee, Jeong-Eun; Luo, Gan; Dewangan, Lokesh; Wu, Yue-Fang; Zhang, Li; Bronfman Aguilo, Leonardo Jaime; Ge, Jixing; Tang, Mengyao; Zhang, Yong; Xu, Feng-Wei; Wang, Yao; Zhou, Bing (Oxford, 2022)
      Investigating the physical and chemical structures of massive star-forming regions is critical for understanding the formation and the early evolution of massive stars. We performed a detailed line survey toward six dense ...
    • Atorvastatin increases the expression of long non-coding rnas arsr and chrome in hypercholesterolemic ... 
      Páez, Isis; Prado, Yalena; Ubilla, Carmen G.; Zambrano Coloma, Tomás; Salazar, Luis A. (MDPI, 2020)
      Atorvastatin is extensively used to treat hypercholesterolemia. However, the wide interindividual variability observed in response to this drug still needs further elucidation. Nowadays, the biology of long non-coding RNAs ...
    • ATP fosfonato y azul de cibacron unidos a poliextrano para purificar pirofosfohidrolasas 
      Calvo Pérez, Víctor; Valenzuela Pedevila, María Antonieta; Traverso Cori, A. (Centro de Perfeccionamiento, Experimentación e Investigaciones Pedagógicas (Chile), 1979)
      No tiene
    • ATP Induces IL-1 β Secretion in Neisseria gonorrhoeae-Infected Human Macrophages by a Mechanism Not Related ... 
      Garciá, Killen; Escobar, Gisselle; Mendoza, Pablo; Beltran, Caroll; Pérez, Claudio; Arancibia, Sergio; Vernal Astudillo, Rolando; Rodas, Paula; Acunã-Castillo, Claudio; Escobar, Alejandro (Hindawi Limited, 2016)
      Neisseria gonorrhoeae (Ngo) has developed multiple immune evasion mechanisms involving the innate and adaptive immune responses. Recent findings have reported that Ngo reduces the IL-1𝛽 secretion of infected human ...
    • ATP liberado por osteoclastos activa la síntesis proteica del músculo esquelético a través de la vía Pl3K/Akt/mTOR 
      Morales Jiménez, Camilo (Universidad de Chile, 2018)
      Huesos y músculos son órganos integrados en la locomoción y el crecimiento; el compromiso de uno de ellos puede afectar la estructura y función del otro. Pérdidas o aumentos simultáneos de la masa ósea y muscular se observan ...
    • ATP release due to Thy-1-integrin binding induces P2X7-mediated calcium entry required for focal adhesion formation 
      Henríquez, Mauricio; Herrera Molina, Rodrigo; Valdivia, Alejandra; Alvarez, Alvaro; Kong, Milene; Muñoz, Nicolás; Eisner, Verónica; Jaimovich Pérez, Enrique; Schneider, Pascal; Quest, Andrew F. G.; Leyton Campos, Lisette (2011)
      Thy-1, an abundant mammalian glycoprotein, interacts with avβ3 integrin and syndecan-4 in astrocytes and thus triggers signaling events that involve RhoA and its effector p160ROCK, thereby increasing astrocyte adhesion to ...
    • ATP released by electrical stimuli elicits calcium transients and gene expression in skeletal muscle 
      Buvinic, Sonja; Almarza, Gonzalo; Bustamante, Mario; Casas, Mariana; López, Javiera; Riquelme, Manuel; Sáez, Juan Carlos; Huidobro Toro, Juan Pablo; Jaimovich Pérez, Enrique (2009)
      ATP released from cells is known to activate plasma membrane P2X (ionotropic) or P2Y (metabotropic) receptors. In skeletal muscle cells, depolarizing stimuli induce both a fast calcium signal associated with contraction ...
    • ATP signaling in skeletal muscle: from fiber plasticity to regulation of metabolism 
      Casas Atala, Mariana; Buvinic Radic, Sonja; Jaimovich Pérez, Enrique (2014)
      Tetanic electrical stimulation releases adenosine triphosphate (ATP) from muscle fibers through pannexin-1 channels in a frequency-dependent manner; extracellular ATP activates signals that ultimately regulate gene ...
    • ATP stimulated P2X7R enhances IL-1 beta secretion during Neisseria gonorrhoeae infection through a NLRP-3 ... 
      García, K.; Ortiz, C.; Escobar, G.; Mendoza, P.; Beltrán Muñoz, Caroll; Vernal Astudillo, Rolando; Escobar Álvarez, Alejandro Felipe (2016)
    • ATP stimulation of Na+/Ca2+ exchange in cardiac sarcolemmal vesicles 
      Berberián, Graciela; Hidalgo Tapia, María Cecilia; DiPolo, Reinaldo; Beaugé, Luis (1998)
      In cardiac sarcolemmal vesicles, MgATP stimulates Na+/Ca2+ exchange with the following characteristics: 1) increases 10-fold the apparent affinity for cytosolic Ca2+; 2) a Michaelis constant for ATP of ~500 μM; 3) requires ...
    • ATP- and ACh-induced responses in isolated cat petrosal ganglion neurons 
      Alcayaga, Carmen; Varas, Rodrigo; Valdés, Viviana; Cerpa, Verónica; Arroyo, Jorge; Iturriaga, Rodrigo; Alcayaga Urbina, Julio (ELSEVIER SCIENCE BV, 2007-02)
      Chemoreceptor (glomus) cells of the carotid body are synaptically connected to the sensory nerve endings of petrosal ganglion (PG) neurons. In response to natural stimuli, the glomus cells release transmitters,which ...
    • ATP-diphosphohydrolase activity in rat renal microvillar membranes and vascular tissue 
      Sandoval, S.; García Nannig, Lorena; Mancilla, Marta; Kettlun, Ana María; Collados, L. E.; Chayet, L.; Alvarez, A.; Traverso Cori, A.; Valenzuela Pedevila, María Antonieta (PERGAMON-ELSEVIER SCIENCE LTD, 1996-05)
      Ecto-nucleotidases may have a role in the regulation of purinoceptor-mediated responses. ATP-diphosphohydrolase or apyrase has been described as an ecto-nucleotidase, which is characterized by a low specificity for its ...
    • ATP-diphosphophydrolase activin in rat heart tissue 
      Espinosa, Victoria; Galleguillos, M.; Mancilla, Marta; Garrido, J.; Kettlun, Ana María; Collados, L. E.; Chayet, L.; García Nannig, Lorena; Traverso Cori, A.; Valenzuela Pedevila, María Antonieta (ACADEMIC PRESS AUST, 1996-08)
      Extracellular nucleotides interact with specific receptors on the cell surface and are locally metabolized by ecto-nucleotidases. Biochemical characterization of the ATPase and ADPase activities detected in rat heart ...
    • ATP13A2 variants in early-onset Parkinson's disease patients and controls 
      Djarmati, Ana; Hagenah, Johann; Reetz, Kathrin; Winkler, Susen; Behrens Pellegrino, María Isabel; Pawlack, Heike; Lohmann, Katja; Ramirez, Alfredo; Tadić, Vera; Brüggemann, Norbert; Berg, Daniela; Siebner, Hartwig R.; Lang, Anthony E.; Pramstaller, Peter P.; Binkofski, Ferdinand; (John Wiley and Sons Inc., 2009)
      Four genes responsible for recessively inherited forms of Parkinson's disease (PD) have been identified, including the recently discovered ATP13A2 (PARK9) gene. Our objective was to investigate the role of this gene in a ...
    • ATPase and ADPase activities in synovial membrane of equine metacarpophalangeal joint 
      Jiménez, Paula; García Nannig, Lorena; Adarmes, H.; González, E.; Valenzuela, M. A. (2002)
      ATPase and ADPase activities capable of hydrolyzing nucleoside di- and triphosphates in the presence of Ca2+ are present in synovial membrane of metacarpophalangeal joint mainly associated to membrane fractions. These ...
    • ATPASE-ADPASE ACTIVITIES OF RAT PLACENTAL TISSUE 
      Pieber, M.; Valenzuela Pedevila, María Antonieta; Kettlun, Ana María; Mancilla, Marta; Aranda, E.; Collados, L. E.; Traverso Cori, A. (PERGAMON-ELSEVIER SCIENCE LTD, 1991)
      1. Calcium-stimulated ATPase-ADPase activities were studied in a microsomal fraction of rat placental tissue. 2. The kinetic characteristics correspond to those of ATP-diphosphohydrolase, also known as apyrase (E.C. ...
    • Atracción de capital humano avanzado en proyectos de impacto tecnológico del cluster minero a través de un ... 
      Riquelme Ruiz, Óscar Eduardo (Universidad de Chile, 2015)
      En Chile, el sector industrial más activo en el desarrollo de la economía nacional ha sido la minería del cobre , tanto por nivel de las inversiones en cantidad y montos, como en el aporte de divisas que genera su exportación. ...
    • Atracción y retención de recurso humano en salud en zonas rurales : percepción de profesionales rurales de Chiloé 
      Meza Lorca, Damaris (Universidad de Chile, 2016)
      En la actualidad, los países enfrentan un importante desafío en materia de salud pública: garantizar que las personas que viven en zonas rurales y remotas tengan acceso a atención sanitaria oportuna. Para que los programas ...
    • Atracción y retención de talento, con desarrollo de marca empleadora en profesionales millennials de ... 
      Reyes González, Diego, [Parte I]; Soto Matamala, Jessica, [Parte II] (Universidad de Chile, 2023)
      El presente estudio se basa en una consultora multinacional denominada Atom Consulting, la cual cuenta con altos índices de rotación, específicamente en el segmento millennials, razón por la cual, el objetivo principal es ...