Blar i Brage NIH på forfatter "Calbet, Jose Antonio Lopez"
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Advantages of in vivo measurement of human skin thermal conductance using a calorimetric sensor
Rodríguez de Rivera, Pedro Jesús; Rodríguez de Rivera, Miriam; Socorro, Fabiola; Calbet, Jose Antonio Lopez; Rodríguez de Rivera, Manuel (Peer reviewed; Journal article, 2022)Thermal conductivity of the skin has been measured by in vivo procedures since the 1950s. These devices usually consist of temperature sensors and heating elements. In vivo measurement of skin thermal conductivity entails ... -
Angiotensin-converting enzyme 2 (SARS-CoV-2 receptor) expression in human skeletal muscle
Perez-Valera, Mario; Martinez-Canton, Miriam; Gallego-Selles, Angel; Gelabert-Rebato, Miriam; Morales-Alamo, David; Santana, Alfredo; Martin-Rodriguez, Saul; Larsen, Steen; Losa-Reyna, Jose; Perez-Suarez, Ismael; Dorado, Cecilia; Curtelin, David; Gonzalez-Henriquez, Juan Jose; Boushel, Robert; Hallén, Jostein; de Pablos-Velasco, Pedro; Freixinet-Gilart, Jorge; Calbet, Jose Antonio Lopez; Galván-Alvarez, Victor; Ponce-Gonzalez, Jesus Gustavo (Peer reviewed; Journal article, 2021)The study aimed to determine the levels of skeletal muscle angiotensin-converting enzyme 2 (ACE2, the SARS-CoV-2 receptor) protein expression in men and women and assess whether ACE2 expression in skeletal muscle is ... -
Contribution of oxygen extraction fraction to maximal oxygen uptake in healthy young men
Skattebo, Øyvind; Calbet, Jose Antonio Lopez; Rud, Bjarne; Capelli, Carlo; Hallén, Jostein (Peer reviewed; Journal article, 2020)We analysed the importance of systemic and peripheral arteriovenous O2 difference (a-vO2 difference and a-vfO2 difference, respectively) and O2 extraction fraction for maximal oxygen uptake (VO2max). Fick law of diffusion ... -
Determinants of the maximal functional reserve during repeated supramaximal exercise by humans: The roles of Nrf2/Keap1, antioxidant proteins, muscle phenotype and oxygenation
Galvan-Alvarez, Victor; Martin-Rincon, Marcos; Gallego-Selles, Angel; Martínez Canton, Miriam; HamedChaman, NaDer; Gelabert-Rebato, Miriam; Perez-Valera, Mario; García-Gonzalez, Eduardo; Santana, Alfredo; Holmberg, Hans-Christer; Boushel, Robert; Hallén, Jostein; Calbet, Jose Antonio Lopez (Peer reviewed; Journal article, 2023)When high-intensity exercise is performed until exhaustion a “functional reserve” (FR) or capacity to produce power at the same level or higher than reached at exhaustion exists at task failure, which could be related to ... -
Exercise mitigates the loss of muscle mass by attenuating the activation of autophagy during severe energy deficit
Martin-Rincon, Marcos; Pérez-López, Antonio; Morales-Alamo, David; Perez-Suarez, Ismael; de Pablos-Velasco, Pedro; Perez-Valera, Mario; Perez-Regalado, Sergio; Martinez-Canton, Miriam; Gelabert-Rebato, Miriam; Juan-Habib, Julian William; Holmberg, Hans-Christer; Calbet, Jose Antonio Lopez (Peer reviewed; Journal article, 2019)The loss of skeletal muscle mass with energy deficit is thought to be due to protein breakdown by the autophagy-lysosome and the ubiquitin-proteasome systems. We studied the main signaling pathways through which exercise ... -
Fast regulation of the NF-κB signalling pathway in human skeletal muscle revealed by high-intensity exercise and ischaemia at exhaustion: Role of oxygenation and metabolite accumulation
Gallego-Selles, Angel; Galvan-Alvarez, Victor; Martinez-Canton, Miriam; Garcia-Gonzalez, Eduardo; Morales-Alamo, David; Santana, Alfredo; Gonzalez-Henriquez, Juan Jose; Dorado, Cecilia; Calbet, Jose Antonio Lopez; Martin-Rincon, Marcos (Peer reviewed; Journal article, 2022)The NF-κB signalling pathway plays a critical role in inflammation, immunity, cell proliferation, apoptosis, and muscle metabolism. NF-κB is activated by extracellular signals and intracellular changes in Ca2+, Pi, H+, ... -
Greater Reduction in Abdominal Than in Upper Arms Subcutaneous Fat in 10- to 12-Year-Old Tennis Players: A Volumetric MRI Study
Sanchis-Moysi, Joaquin; Serrano-Sanchez, Jose Antonio; Gonzalez-Henriquez, Juan Jose; Calbet, Jose Antonio Lopez; Dorado, Cecilia (Peer reviewed; Journal article, 2019)Background: Little is known about the impact of long term participation in sports and subcutaneous fat volume in children. This study aimed at determining whether tennis participation is associated with lower subcutaneous ... -
Heat flow, heat capacity and thermal resistance of localized surfaces of the human body using a new calorimetric sensor
Rodríguez de Rivera, Pedro Jesús; Rodríguez de Rivera, Miriam; Socorro, Fabiola; Callicó, Gustavo Marrero; Calbet, Jose Antonio Lopez; Rodríguez de Rivera, Manuel (Peer reviewed; Journal article, 2021)A non-invasive sensor equipped with a programmable thermostat has been developed to assess in vivo the heat flow transmitted by conduction from human skin to the sensor thermostat. This device enables the assessment of the ... -
Impact of data averaging strategies on V̇O2max assessment: Mathematical modeling and reliability
Martin-Rincon, Marcos; Gonzalez-Henriquez, Juan Jose; Losa-Reyna, Jose; Perez-Suarez, Ismael; Ponce-Gonzalez, Jesus Gustavo; de La Calle-Herrero, Jaime; Perez-Valera, Mario; Perez-Lopez, Alberto; Curtelin, David; Cherouveim, Evgenia D; Morales-Alamo, David; Calbet, Jose Antonio Lopez (Peer reviewed; Journal article, 2019)Background: No consensus exists on how to average data to optimize VO2max assessment. Although the VO2max value is reduced with larger averaging blocks, no mathematical procedure is available to account for the effect of ... -
An integrative approach to the regulation of mitochondrial respiration during exercise: Focus on high-intensity exercise
Calbet, Jose Antonio Lopez; Martín-Rodríguez, Saúl; Martin-Rincon, Marcos; Morales-Alamo, David (Peer reviewed; Journal article, 2020)During exercise, muscle ATP demand increases with intensity, and at the highest power output, ATP consumption may increase more than 100-fold above the resting level. The rate of mitochondrial ATP production during exercise ... -
A mango leaf extract (Zynamite®) combined with Quercetin has exercise-mimetic properties in human skeletal muscle
Martinez-Canton, Miriam; Galvan-Alvarez, Victor; Garcia-Gonzalez, Eduardo; Gallego-Selles, Angel; Gelabert-Rebato, Miriam; Garcia-Perez, Giovanni; Santana, Alfredo; Lopez-Rios, Laura; Vega-Morales, Tanausu; Martin-Rincon, Marcos; Calbet, Jose Antonio Lopez (Peer reviewed; Journal article, 2023)Zynamite PX®, a mango leaf extract combined with quercetin, enhances exercise performance by unknown molecular mechanisms. Twenty-five volunteers were assigned to a control (17 males) or supplementation group (8 males, ... -
Mitochondrial oxygen affinity increases after sprint interval training and is related to the improvement in peak oxygen uptake
Larsen, Filip J.; Schiffer, Tomas A.; Zinner, Christoph; Willis, Sarah J.; Morales-Alamo, David; Calbet, Jose Antonio Lopez; Boushel, Robert; Holmberg, Hans-Christer (Peer reviewed; Journal article, 2020)Aims: The body responds to exercise training by profound adaptations throughout the cardiorespiratory and muscular systems, which may result in improvements in maximal oxygen consumption (VO2peak) and mitochondrial capacity. ... -
Progress update and challenges on VO2max testing and interpretation
Martin-Rincon, Marcos; Calbet, Jose Antonio Lopez (Peer reviewed; Journal article, 2020)The maximal oxygen uptake (VO2max) is the primary determinant of endurance performance in heterogeneous populations and has predictive value for clinical outcomes and all-cause mortality. Accurate and precise measurement ... -
Regulation of Nrf2/Keap1 signalling in human skeletal muscle during exercise to exhaustion in normoxia, severe acute hypoxia and post-exercise ischaemia: Influence of metabolite accumulation and oxygenation
Gallego-Selles, Angel; Martin-Rincon, Marcos; Martinez-Canton, Miriam; Perez-Valera, Mario; Martín-Rodríguez, Saúl; Gelabert-Rebato, Miriam; Santana, Alfredo; Morales-Alamo, David; Dorado, Cecilia; Calbet, Jose Antonio Lopez (Peer reviewed; Journal article, 2020)The Nrf2 transcription factor is induced by reactive oxygen and nitrogen species and is necessary for the adaptive response to exercise in mice. It remains unknown whether Nrf2 signalling is activated by exercise in human ... -
Supplementation with a mango leaf extract (Zynamite®) in combination with quercetin attenuates muscle damage and pain and accelerates recovery after strenuous damaging exercise
Martin-Rincon, Marcos; Gelabert-Rebato, Miriam; Galvan-Alvarez, Victor; Gallego-Selles, Angel; Martinez-Canton, Miriam; Lopez-Rios, Laura; Wiebe, Julia C.; Martin-Rodriguez, Saul; Arteaga-Ortiz, Rafael; Dorado, Cecilia; Perez-Regalado, Sergio; Santana, Alfredo; Morales-Alamo, David; Calbet, Jose Antonio Lopez (Peer reviewed; Journal article, 2020)Prolonged or unusual exercise may cause exercise-induced muscle damage (EIMD). To test whether Zynamite®, a mango leaf extract rich in the natural polyphenol mangiferin, administered in combination with quercetin facilitates ... -
Treatment of hypertension with angiotensin-converting enzyme inhibitors or angiotensin receptor blockers and resting metabolic rate: A cross-sectional study
Pedrianes-Martin, Pablo B.; Martin-Rincon, Marcos; Morales-Alamo, David; Perez-Suarez, Ismael; Perez-Valera, Mario; Galvan-Alvarez, Victor; Curtelin, David; de Pablos-Velasco, Pedro; Calbet, Jose Antonio Lopez (Peer reviewed; Journal article, 2021)Hypertension in obese and overweight patients is associated with an elevated resting metabolic rate (RMR). The aim of this study was to determine whether RMR is reduced in hypertensive patients treated with angiotensin-converting ...