Listar INVESTIGACIÓN por título
Mostrando ítems 299-318 de 2523
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c-Jun N-terminal kinase (JNK)-dependent internalization and Rab5-dependent endocytic sorting mediate long-distance retrograde neuronal death induced by axonal BDNF-p75 signaling
(NATURE PUBLISHING GROUP, 2019)During the development of the sympathetic nervous system, signals from tropomyosin-related kinase receptors (Trks) and p75 neurotrophin receptors (p75) compete to regulate survival and connectivity. During this process, ... -
Ca2+ transfer to mitochondria: a spark of life in unexpected conditions
(Chile. Universidad Mayor, 2020)The inositol 1,4,5-triphosphate receptor (InsP3R)-mediated calcium (Ca2+) transfer to mitochondria is important to maintain mitochondrial respiration and bioenergetics in normal and cancer cells, even though cancer cells ... -
Calcium & ROS: Two orchestra directors for the requiem of death
(ELSEVIER SCI LTD, 2020)Tumor necrosis factor alpha (TNF) triggers regulated necrosis of mycobacterium-infected macrophages through of mitochondrial reactive oxygen species (mitoROS) production in a RIPK1/3-dependent manner. To explain that, Roca ... -
Calidad de imagen y reducción de dosis en angiotomografía computarizada de arterias coronarias usando protocolo de baja energía
(Facultad de Ciencias, 2017)Esta investigación tiene por finalidad analizar el concepto de liderazgo docente en el contexto educacional en función de su importancia y relación con el desarrollo profesional de profesores, evidenciado desde el contexto ... -
Calidad de vida del personal de salud y su relación con el ausentismo
(Facultad de Ciencias, 2018)Objetivo: Evaluar la relación entre la calidad de vida del personal de salud y el ausentismo en un hospital de Chile. Métodos: Estudio de corte transversal. La población de estudio corresponde a funcio narios del Hospital ... -
Calidad del sueño, somnolencia e insomnio en deportistas paralímpicos de elite chilenos
(CIENCIAS, 2015)Introducción: el sueño participa en diversas funciones biológicas y fisiológicas, asociando su restricción con menor rendimiento en el deporte; sin embargo, se desconoce la cantidad y calidad del sueño en deportistas ... -
California's comprehensive background check and misdemeanor violence prohibition policies and firearm mortality
(ELSEVIER SCIENCE INC, 2019)Purpose: In 1991, California implemented a law that mandated a background check for all firearm purchases with limited exceptions (comprehensive background check or CBC policy) and prohibited firearm purchase and possession ... -
Caloric restriction and aging stem cells: The stick and the carrot?
(CIENCIAS, 2014)Adult tissue stem cells have the ability to adjust to environmental changes and affect also the proliferation of neighboring cells, with important consequences on tissue maintenance and regeneration. Stem cell renewal and ... -
Calreticulin Expression Analysis in Small Saphenous Vein
(SOC CHILENA ANATOMIA, 2020)Calreticulin (CRT) protein, has been identified in the endoplasmic reticulum (ER) and lately in the extracellular matrix (ECM) of predentine and arteries. It is responsible for different extracellular functions, such as ... -
Calreticulin Expression in Canine Placenta
(SOC CHILENA ANATOMIA, 2019)The placenta is an embryonic organ present in mammals, whose main functions are the exchange of nutrients and gases and to protect the fetus from potential immune damage mediated by paternal and maternal allogeneic differences ... -
Cambios en índice de masa corporal en pacientes portadores de apnea del sueño a un año de tratamiento con dispositivo de presión de aire positiva continua (CPAP)
(Chile. Universidad Mayor, 2018)El síndrome de apnea hipoapnea del sueño (SAHS), está asociado fuertemente a la obesidad. El objetivo de este estudio es determinar las variaciones en el índice de masa corporal (IMC) en pacientes portadores de SAHS luego ... -
Cameriere's open apices methodology for dental age estimation in children: a scoping review from a Latin American perspective
(Humana Press, 2023)Dental age estimation (DAE) is key to establishing an individual's identity, and this is relevant in minors. A widely used method for DAE in children is Cameriere's open apices (CAM). Despite its wide dissemination, there ... -
Can an LED-laser hybrid light help to decrease hydrogen peroxide concentration while maintaining effectiveness in teeth bleaching?
(CIENCIAS, 2015)The aim of this study was to compare the bleaching efficacy of 35% hydrogen peroxide and 15% hydrogen peroxide with nitrogen-doped titanium dioxide catalysed by an LED-laser hybrid light. We studied 70 patients randomized ... -
Can Intensity In Strength Training Promote Changes In Caloric Expenditure? Systematic Review And Meta-analysis
(LIPPINCOTT WILLIAMS & WILKINS, 2019)Sin resumen -
Can physical activity attenuate the negative association between sitting time and cognitive function among older adults? A mediation analysis
(PERGAMON-ELSEVIER SCIENCE LTD, 2018)The purpose of this study was to examine the combined association of sitting time and physical activity with cognitive function and to determine whether moderate-to-vigorous physical activity (MVPA) is a mediator of the ... -
Can repair increase the longevity of composite resins? Results of a 10-year clinical trial
(CIENCIAS, 2015)Objectives: The aim of this double-blind clinical trial was to assess the longevity of repairs to localized clinical defects in composite resin restorations that were initially planned to be treated with a restoration ... -
Cancer cases and deaths attributable to lifestyle risk factors in Chile
(Univ Mayor, Ctr Invest Fisiol Ejercicio CIFE, Chile, 2020-07)Background To identify modifiable risk factors that contribute to cancer holds important public health relevance for setting up prevention strategies. Therefore, the aim of this study was to estimate the proportion of ... -
Cancer cells with defective oxidative phosphorylation require endoplasmic reticulum-to-mitochondria Ca2+ transfer for survival
(American Association for the Advancement of Science, 2020-07)Spontaneous Ca2+ signaling from the InsP(3)R intracellular Ca2+ release channel to mitochondria is essential for optimal oxidative phosphorylation (OXPHOS) and ATP production. In cells with defective OXPHOS, reductive ...