2024
Effect of Weight Loss on Skeletal Muscle Bioactive Lipids in People With Obesity and Type 2 Diabetes.
Petersen M, Yoshino M, Smith G, Gaspar R, Kahn M, Samovski D, Shulman G, Klein S. Effect of Weight Loss on Skeletal Muscle Bioactive Lipids in People With Obesity and Type 2 Diabetes. Diabetes 2024, 73: 2055-2064. PMID: 39264820, PMCID: PMC11579410, DOI: 10.2337/db24-0083.Peer-Reviewed Original ResearchMuscle insulin sensitivitySkeletal muscle insulin sensitivityType 2 diabetesEffects of weight lossInsulin sensitivityWeight lossWeight loss-induced improvementWhole-body insulin sensitivityObesityGlucose tracer infusionAssociated with changesHyperinsulinemic-euglycemic clamp procedureCeramide contentSn-1,2-DAGMuscleSmall molecule inhibition of glycogen synthase I reduces muscle glycogen content and improves biomarkers in a mouse model of Pompe disease
Gaspar R, Sakuma I, Nasiri A, Hubbard B, LaMoia T, Leitner B, Tep S, Xi Y, Green E, Ullman J, Petersen K, Shulman G. Small molecule inhibition of glycogen synthase I reduces muscle glycogen content and improves biomarkers in a mouse model of Pompe disease. AJP Endocrinology And Metabolism 2024, 327: e524-e532. PMID: 39171753, PMCID: PMC11482269, DOI: 10.1152/ajpendo.00175.2024.Peer-Reviewed Original ResearchGAA-KO miceMouse model of Pompe diseaseModel of Pompe diseasePompe diseaseMetabolic dysregulationRegular chowMouse modelSmall molecule inhibitionInsulin sensitivityReduced spontaneous activityGroups of male miceEnzyme acid alpha-glucosidaseProgressive muscle weaknessImprove metabolic dysregulationSynthase IWhole-body insulin sensitivityAcid alpha-glucosidaseImproved glucose toleranceIncreased AMPK phosphorylationWT miceAbnormal accumulation of glycogenGlycogen storage disorderMale miceSpontaneous activityImproved biomarkers1577-P: CIDEB Knockdown Promotes Increased Hepatic Mitochondrial Fat Oxidation and Reverses Hepatic Steatosis and Hepatic Insulin Resistance by the PKCε-Insulin Receptor Kinase Pathway
ZHENG J, NASIRI A, GASPAR R, HUBBARD B, SAKUMA I, MA X, MURRAY S, PERELIS M, BARNES W, SAMUEL V, PETERSEN K, SHULMAN G. 1577-P: CIDEB Knockdown Promotes Increased Hepatic Mitochondrial Fat Oxidation and Reverses Hepatic Steatosis and Hepatic Insulin Resistance by the PKCε-Insulin Receptor Kinase Pathway. Diabetes 2024, 73 DOI: 10.2337/db24-1577-p.Peer-Reviewed Original ResearchReceptor kinase pathwaysMitochondrial fat oxidationHepatic insulin resistanceKinase pathwayExpression of cidebAmeliorated HFD-induced hepatic steatosisHFD-induced hepatic steatosisHFD-induced insulin resistanceSteatotic liver diseasePathogenesis of type 2 diabetesHepatic steatosisCidebHyperinsulinemic-euglycemic clamp studiesHepatic triglyceride accumulationInsulin resistanceReverse hepatic steatosisTriglyceride accumulationHepatic insulin sensitivityInsulin sensitivityPathwayHepatic expressionHigh-fatWhole-body insulin sensitivityLiver diseaseTranslocation
2022
Short-term physical exercise controls age-related hyperinsulinemia and improves hepatic metabolism in aged rodents
Muñoz V, Gaspar R, Mancini M, de Lima R, Vieira R, Crisol B, Antunes G, Trombeta J, Bonfante I, Simabuco F, da Silva A, Cavaglieri C, Ropelle E, Cintra D, Pauli J. Short-term physical exercise controls age-related hyperinsulinemia and improves hepatic metabolism in aged rodents. Journal Of Endocrinological Investigation 2022, 46: 815-827. PMID: 36318449, DOI: 10.1007/s40618-022-01947-8.Peer-Reviewed Original ResearchConceptsInsulin sensitivityHepatic metabolismPhysical exerciseInsulin resistanceAerobic exerciseMetabolic healthAged rodentsShort-term aerobic exerciseAge-related insulin resistanceShort-term exercise trainingSignificant metabolic impairmentType 2 diabetesHepatic fat accumulationWhole-body glucoseDevelopment/progressionHepatic fat metabolismExercise trainingGlucose toleranceInsulin secretionFat accumulationHigh prevalenceHyperinsulinemic ratsMetabolic impairmentElderly populationGlucose homeostasis
2021
Time‐restricted feeding combined with aerobic exercise training can prevent weight gain and improve metabolic disorders in mice fed a high‐fat diet
Vieira R, Muñoz V, Junqueira R, de Oliveira F, Gaspar R, Nakandakari S, de Oliveira Costa S, Torsoni M, da Silva A, Cintra D, de Moura L, Ropelle E, Zaghloul I, Mekary R, Pauli J. Time‐restricted feeding combined with aerobic exercise training can prevent weight gain and improve metabolic disorders in mice fed a high‐fat diet. The Journal Of Physiology 2021, 600: 797-813. PMID: 33450053, DOI: 10.1113/jp280820.Peer-Reviewed Original ResearchConceptsTime-restricted feedingHigh-fat dietAerobic exercise trainingMale Swiss miceHigh-fat diet feedingFatty acid oxidationSwiss miceExercise trainingMetabolic disordersDiet feedingLiver metabolismAE trainingAcid oxidationLower serum triglyceridesHepatic lipid accumulationHepatic lipid contentImproved hepatic metabolismLipogenic gene expressionSerum triglyceridesAdiposity gainBody adiposityGlycaemic homeostasisInsulin sensitivityHepatic metabolismGlucose metabolism
2020
Effects of short-term physical training on the interleukin-15 signalling pathway and glucose tolerance in aged rats
Minuzzi L, da Conceição L, Muñoz V, Vieira R, Gaspar R, da Silva A, Cintra D, Pereira de Moura L, Ropelle E, Teixeira A, Pauli J. Effects of short-term physical training on the interleukin-15 signalling pathway and glucose tolerance in aged rats. Cytokine 2020, 137: 155306. PMID: 33010727, DOI: 10.1016/j.cyto.2020.155306.Peer-Reviewed Original ResearchConceptsAerobic physical trainingInsulin sensitivityIL-15Physical trainingGlucose toleranceInterleukin-15Elderly ratsWhole-body insulin sensitivityShort-term physical trainingSkeletal muscleLast exercise sessionExercise training protocolMesenteric fat massPhysical exercise trainingPhysical exercise protocolSkeletal muscle alterationsFourteen Wistar ratsExpression of HIF1αExercise trainingExercise protocolExercise sessionsMuscle alterationsFat massWistar ratsSupraphysiological levelsLong-term effects of moderate physical exercise during early childhood on insulin sensitivity in rats during adulthood
Pereira R, Muñoz V, Anaruma C, Gaspar R, Gaspar R, Ropelle E, Cintra D, da Silva A, Pauli J, de Moura L. Long-term effects of moderate physical exercise during early childhood on insulin sensitivity in rats during adulthood. Revista Brasileira De Educação Física E Esporte 2020, 34: 227-236. DOI: 10.11606/1807-5509202000020227.Peer-Reviewed Original ResearchModerate physical exerciseInsulin sensitivityPhysical exerciseGlycogen storesLipogenic activityGlucose uptakePancreatic insulin levelsDays/weekLower body weight gainPhysical exercise protocolBody weight gainHours/dayDays of ageHOMA-IRInsulin levelsInsulin resistanceMetabolic healthExercise protocolSwimming exerciseWistar ratsLong-term effectsBody fatPancreatic insulinAdipose tissueAnaerobic threshold
2019
Short-term Resistance Training Increases APPL1 Content in the Liver and the Insulin Sensitivity of Mice Fed a Long-term High-fat Diet
Minuzzi L, Kuga G, Breda L, Gaspar R, Muñoz V, Pereira R, Botezelli J, da Silva A, Cintra D, de Moura L, Ropelle E, Pauli J. Short-term Resistance Training Increases APPL1 Content in the Liver and the Insulin Sensitivity of Mice Fed a Long-term High-fat Diet. Experimental And Clinical Endocrinology & Diabetes 2019, 128: 30-37. PMID: 30991419, DOI: 10.1055/a-0885-9872.Peer-Reviewed Original ResearchConceptsLong-term high-fat dietShort-term resistance trainingHigh-fat dietResistance trainingInsulin sensitivityHigh calorie intakeLiver of miceAdiponectin pathwayChow dietMice fedInsulin resistanceGlycemic homeostasisSwiss miceAdiponectin receptorsPhysical activityPhysical exerciseInsulin actionHepatic tissueMiceLiverDietAdiponectinInadequate levelsAdverse consequencesCritical regulator
2017
High Dosage of Vitamin D Regulates the Energy Metabolism and Increases Insulin Sensitivity, but are Associated with High Levels of Kidney Damage
Gaspar R, Botezelli J, Kuga G, Muñoz V, Coope A, Pereira R, da Silva A, Cintra D, de Moura L, Ropelle E, Pauli J. High Dosage of Vitamin D Regulates the Energy Metabolism and Increases Insulin Sensitivity, but are Associated with High Levels of Kidney Damage. Drug Development Research 2017, 78: 203-209. PMID: 28718949, DOI: 10.1002/ddr.21394.Peer-Reviewed Original ResearchConceptsMetabolic disordersHigh dosesRole of VitDVitamin D deficiencyImportant therapeutic targetD deficiencyRenal damageObese miceC57BL/6J miceInsulin sensitivityMetabolic benefitsTherapeutic strategiesTherapeutic targetVitDMiceDosesBody massDisordersLarge proportionCalcitriolObeseKidneyDiseaseDoseAdministrationHippocampal insulin signaling and neuroprotection mediated by physical exercise in Alzheimer´s Disease
Kuga G, Botezelli J, Gaspar R, Gomes R, Pauli J, de Almeida Leme J. Hippocampal insulin signaling and neuroprotection mediated by physical exercise in Alzheimer´s Disease. Motriz Revista De Educação Física 2017, 23: e101608. DOI: 10.1590/s1980-6574201700si0008.Peer-Reviewed Original ResearchTreatment of ADAlzheimer's diseaseNeuronal survivalLow-grade inflammationAnti-inflammatory effectsNon-pharmacological alternativesAD genesisHippocampal insulinHippocampal neurodegenerationHippocampal neuroprotectionNeuroprotective mechanismsInsulin sensitivityEpidemiological studiesPhysical exerciseHippocampal integrityDiseaseInsulinNeuroprotectionExercisePreventionMolecular mechanismsSurvivalTreatmentIntense research effortsPowerful activator