Exploració per autor "Benítez Iglesias, Raúl"Més informacióMés informació

Ara es mostren els items 19-38 de 50

    • How to merge observational and physiological data? A case study of motor skills patterns and heart rate in exercise programs for adult women 

      Castañer Balcells, Marta; Puigarnau, Sílvia; Benítez Iglesias, Raúl; Zurloni, Valentino; Camerino, Oleguer (2017-10-01)
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      The present study analyzes individual and group heart rate responses in exercising adult women. The specific aim was to compare responses during routine workout sessions within a community exercise program with responses ...

    • Human-robot cooperative movement training: learning a novel sensory motor transformation during walking with robotic assistance-as-needed 

      Emken, Jeremy L.; Benítez Iglesias, Raúl; Reinkensmeyer, David J. (BioMed Central Ltd., 2007-03-31)
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      Background A prevailing paradigm of physical rehabilitation following neurologic injury is to "assist-as-needed" in completing desired movements. Several research groups are attempting to automate this principle with ...

    • Hydrothermal processing of 3D-printed calcium phosphate scaffolds enhances bone formation in vivo: a comparison with biomimetic treatment 

      Raymond Llorens, Santiago; Bonany Mariñosa, Mar; Lehmann, Cyril; Thorel, Emilie; Benítez Iglesias, Raúl; Franch Serracanta, Jordi; Canal Barnils, Cristina; Ginebra Molins, Maria Pau (Elsevier, 2021-11-01)
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      Realitzat a/amb:   Mimetis Biomaterials / Institut de Recerca Sant Joan de Déu / Universitat Autònoma de Barcelona / Universitat de Barcelona. Departament de Genètica, Microbiologia i Estadística / Institut de Bioenginyeria de Catalunya
      Hydrothermal (H) processes accelerate the hydrolysis reaction of a-tricalcium phosphate (a-TCP) compared to the long-established biomimetic (B) treatments. They are of special interest for patient-specific 3D-printed bone ...

    • Identification of intracellular calcium dynamics in stimulated cardiomyocytes 

      Vallmitjana Lees, Alexander; Barriga, Montserrat; Nenadic, Zoran; Llach, Anna; Álvarez Lacalle, Enrique; Hove-Madsen, Leif; Benítez Iglesias, Raúl (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
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      We have developed an automatic method for the analysis and identification of dynamical regimes in intracellular calcium patterns from confocal calcium images. The method allows the identification of different dynamical ...

    • Identifying basketball plays from sensor data; towards a low-cost automatic extraction of advanced statistics 

      Arbués Sangüesa, Adrià; Moeslund, Thomas B.; Bahnsen, Chris H.; Benítez Iglesias, Raúl (Institute of Electrical and Electronics Engineers (IEEE), 2017)
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      Advanced statistics have proved to be a crucial tool for basketball coaches in order to improve training skills. Indeed, the performance of the team can be further optimized by studying the behaviour of players under certain ...

    • Impact of R-carvedilol on ß2-adrenergic receptor-mediated spontaneous calcium release in human atrial myocytes 

      Tarifa Lora, Carmen; Casellas Casanova, Sandra; Ginel Iglesias, Antonino; Benítez Iglesias, Raúl; Hove-Madsen, Leif (2022-07-21)
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      A hallmark of atrial fibrillation is an excess of spontaneous calcium release events, which can be mimicked by ß1- or ß2-adrenergic stimulation. Because ß1-adrenergic receptor blockers (ß1-blockers) are primarily used in ...

    • Increased Ca2+ transient underlies RyR2-related left ventricular noncompaction 

      Ni, Mingke; Li, Yanhui; Wei, Jinhong; Song, Zhenpeng; Wang, Hui; Yao, Jinjing; Chen, Yong-Xiang; Belke, Darrell; Estillore, John Paul; Wang, Ruiwu; Vallmitjana Lees, Alexander; Benítez Iglesias, Raúl; Hove Madsen, Leif; Feng, Wei; Chen, Ju (2023-07-07)
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      Background: A loss-of-function cardiac ryanodine receptor (RyR2) mutation, I4855M+/–, has recently been linked to a new cardiac disorder termed RyR2 Ca2+ release deficiency syndrome (CRDS) as well as left ventricular ...

    • Influence of sex on intracellular calcium homoeostasis in patients with atrial fibrillation 

      Herraiz Martínez, Adela; Tarifa Lora, Carmen; Jiménez Sábado, Verónica; Llach Martínez, Ana; Colino-Lage, Hildegard; Nolla Colomer, Carme; Benítez Iglesias, Raúl; Ciruela, Francisco; Cinca Cuscullola, Juan Maria; Hove-Madsen, Leif (2021-03-31)
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      Aims Atrial fibrillation (AF) has been associated with intracellular calcium disturbances in human atrial myocytes, but little is known about the potential influence of sex and we here aimed to address this issue. Methods ...

    • Low density lipoproteins promote unstable calcium handling accompanied by reduced SERCA2 and connexin-40 expression in cardiomyocytes 

      Barriga, Montserrat; Cal, Roi; Cabello, Nuria; Llach, Anna; Vallmitjana Lees, Alexander; Benítez Iglesias, Raúl; Badimón, Lina; Cinca, J.; Llorente-Cortés, Vicenta; Hove-Madsen, Leif (2013-03-13)
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      The damaging effects of high plasma levels of cholesterol in the cardiovascular system are widely known, but little attention has been paid to direct effects on cardiomyocyte function. We therefore aimed at testing the ...

    • MedicalSeg: a medical GUI application for image segmentation management 

      Mata Miquel, Cristian; Munuera, Josep; Lalande, Alain; Ochoa Ruíz, Gilberto; Benítez Iglesias, Raúl (Multidisciplinary Digital Publishing Institute (MDPI), 2022-06-08)
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      In the field of medical imaging, the division of an image into meaningful structures using image segmentation is an essential step for pre-processing analysis. Many studies have been carried out to solve the general problem ...

    • Mitochondria and calcium defects correlate with axonal dysfunction in GDAP1-related Charcot-Marie-Tooth mouse model 

      Civera Tregón, Azahara; Benítez Iglesias, Raúl; Hoenicka, Janet; Palau, Francesc (2021-05)
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      Ganglioside-induced differentiation associated protein 1 (GDAP1) gene encodes a protein of the mitochondrial outer membrane and of the mitochondrial membrane contacts with the endoplasmic reticulum (MAMs) and lysosomes. ...

    • Mitochondria–lysosome membrane contacts are defective in GDAP1-related Charcot–Marie–Tooth disease 

      Cantarero, Lara; Juárez Escoto, Elena; Civera Tregón, Azahara; Rodríguez Sanz, María; Roldán, Mónica; Benítez Iglesias, Raúl; Hoenicka, Janet; Palau, Francesc (2020-11-06)
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      Mutations in the GDAP1 gene cause Charcot–Marie–Tooth (CMT) neuropathy. GDAP1 is an atypical glutathione S-transferase (GST) of the outer mitochondrial membrane and the mitochondrial membrane contacts with the endoplasmic ...

    • Motor adaptation as a greedy optimization of error and effort 

      Emken, Jeremy L.; Benítez Iglesias, Raúl; Sideris, Athanasios; Bobrow, James E.; Reinkensmeyer, David J. (The American Physiological Society, 2007-03-31)
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      thought of as a process in which the nervous system learns to anticipate the environmental forces to eliminate kinematic error. Here we show that motor adaptation can more generally be modeled as a process in which the ...

    • Multilevel analysis of calcium dynamics in stimulated cultures of cardiomyocytes 

      Vallmitjana Lees, Alexander; Hove-Madsen, Leif; Barriga, Montserrat; Benítez Iglesias, Raúl (Institute of Electrical and Electronics Engineers (IEEE), 2013)
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      We present an automatic method to characterize calcium activity in a culture of cardiac cells from a sequence of microscopy fluorescence images. The approach quantifies both the response of each individual cell in the ...

    • Multiscale image analysis of calcium dynamics in cardiac myocytes 

      Vallmitjana Lees, Alexander; Benítez Iglesias, Raúl (2022-06-01)
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      Cardiac myocytes are the muscle cells that build up heart tissue and provide the mechanical action to pump blood by synchronously contracting at every heartbeat. Heart muscle contraction is regulated by intracellular calcium ...

    • Phase-field models in interfacial pattern formation out of equilibrium 

      González Cinca, Ricardo; Folch, R.; Benítez Iglesias, Raúl; Ramírez de la Piscina Millán, Laureano; Casademunt, Jaume; Hernández-Machado, A. (NOVA, 2004-06)
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    • Phase-field study of transient stages and fluctuations in solidification 

      Benítez Iglesias, Raúl (Universitat Politècnica de Catalunya, 2005-01-27)
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      L'estudi de la formació de microstructures en processos de solidificació té importants aplicacions científiques i tecnològiques. L'aparició d'aquestes estructures determina les propietats elèctriques i mecàniques del ...

    • Phospholamban knockout breaks arrhythmogenic Ca2+ waves and suppresses catecholaminergic polymorphic ventricular tachycardia in mice 

      Bai, Yunlong; Jones, Peter; Guo, Jiqing; Zhong, Xiaowei; Clark, Robert; Zhou, Qiang; Wang, Ruiwu; Vallmitjana Lees, Alexander; Benítez Iglesias, Raúl; Hove-Madsen, Leif; Semeniuk, Lisa; Guo, Ang; Song, Long-Sheng; Duff, Henry J.; Chen, S.R. Wayne (2013-07-15)
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      Rationale: Phospholamban (PLN) is an inhibitor of cardiac sarco(endo)plasmic reticulum Ca2+ ATPase. PLN knockout (PLN-KO) enhances sarcoplasmic reticulum Ca2+ load and Ca2+ leak. Conversely, PLN-KO accelerates Ca2+ ...

    • Pitx2c deficiency confers cellular electrophysiological hallmarks of atrial fibrillation to isolated atrial myocytes 

      Tarifa Lora, Carmen; Serra, Selma A.; Herraiz Martínez, Adela; Lozano Velasco, Estefanía; Benítez Iglesias, Raúl; Aránega Jiménez, Amelia; Franco Jaime, Diego; Hove Madsen, Leif (Elsevier, 2023-06-01)
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      Aims Atrial fibrillation (AF) has been associated with altered expression of the transcription factor Pitx2c and a high incidence of calcium release-induced afterdepolarizations. However, the relationship between Pitx2c ...

    • Prevention of adenosine A2A receptor activation diminishes beat-to-beat alternation in human atrial myocytes 

      Llacher Alsina, Anna Pilar; Vallmitjana Lees, Alexander; Benítez Iglesias, Raúl; Montiel Dacosta, José Antonio; Cinca Cusculluela, Juan (2016-01-01)
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      © 2015, Springer-Verlag Berlin Heidelberg. Atrial fibrillation (AF) has been associated with increased spontaneous calcium release from the sarcoplasmic reticulum and linked to increased adenosine A2A receptor (A2AR) ...