2024
Ceramide synthesis inhibitors prevent lipid-induced insulin resistance through the DAG-PKCε-insulin receptorT1150 phosphorylation pathway
Xu W, Zhang D, Ma Y, Gaspar R, Kahn M, Nasiri A, Murray S, Samuel V, Shulman G. Ceramide synthesis inhibitors prevent lipid-induced insulin resistance through the DAG-PKCε-insulin receptorT1150 phosphorylation pathway. Cell Reports 2024, 43: 114746. PMID: 39302831, DOI: 10.1016/j.celrep.2024.114746.Peer-Reviewed Original ResearchLipid-induced hepatic insulin resistanceHepatic insulin resistancePhosphorylation pathwayAntisense oligonucleotidesCeramide synthesis inhibitorsLipid-induced insulin resistanceMyriocin treatmentCeramide synthesisDihydroceramide desaturaseInsulin resistanceHepatic ceramideMyriocinCeramideCeramide contentInsulin-sensitizing effectsPhosphorylationHepatic insulin sensitivityPathwaySynthetic pathwayDES1Glucose productionSynthesis inhibitorDGAT2DesaturaseInhibition1577-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
2023
Effects of short-term endurance and strength exercise in the molecular regulation of skeletal muscle in hyperinsulinemic and hyperglycemic Slc2a4+/− mice
Muñoz V, Botezelli J, Gaspar R, da Rocha A, Vieira R, Crisol B, Braga R, Severino M, Nakandakari S, Antunes G, Brunetto S, Ramos C, Velloso L, Simabuco F, de Moura L, da Silva A, Ropelle E, Cintra D, Pauli J. Effects of short-term endurance and strength exercise in the molecular regulation of skeletal muscle in hyperinsulinemic and hyperglycemic Slc2a4+/− mice. Cellular And Molecular Life Sciences 2023, 80: 122. PMID: 37052684, PMCID: PMC11072257, DOI: 10.1007/s00018-023-04771-2.Peer-Reviewed Original ResearchConceptsWhole-body glucose homeostasisSkeletal muscle glucose uptakeMuscle glucose uptakeMitochondrial adaptationsMitochondrial activityPost-translational mechanismsSkeletal muscleGlucose uptakeC2C12 cell lineInsulin resistanceStrength exercisesGlucose homeostasisMouse modelPhysical exerciseProtein response markersShort-term physical activityMolecular regulationTranscriptomic modulationRNA sequencingImpact of hyperglycemiaC2C12 cellsStrength exercise trainingType 2 diabetesStrength training protocolsMitochondrial function
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
2020
Long-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 thresholdPhysical exercise increases ROCK activity in the skeletal muscle of middle-aged rats
Muñoz V, Gaspar R, Esteca M, Baptista I, Vieira R, da Silva A, de Moura L, Cintra D, Ropelle E, Pauli J. Physical exercise increases ROCK activity in the skeletal muscle of middle-aged rats. Mechanisms Of Ageing And Development 2020, 186: 111213. PMID: 32032622, DOI: 10.1016/j.mad.2020.111213.Peer-Reviewed Original ResearchConceptsMiddle-aged ratsSoleus musclePhysical exerciseGlucose homeostasisAge-related metabolic disordersSkeletal muscle glucose uptakeSkeletal muscleImpaired glucose homeostasisType 2 diabetesMuscle glucose uptakeInsulin receptor substrate-1 phosphorylationWhole-body glucose homeostasisROCK activitySkeletal muscle fiber typesMuscle fiber typesInsulin resistanceSedentary ratsHigh insulinDifferent skeletal muscle fiber typesMetabolic disordersMetabolism-related genesPharmacological inhibitionRatsGlucose uptakeMuscle
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
2018
Impaired insulin signaling and spatial learning in middle-aged rats: The role of PTP1B
Kuga G, Muñoz V, Gaspar R, Nakandakari S, da Silva A, Botezelli J, Leme J, Gomes R, de Moura L, Cintra D, Ropelle E, Pauli J. Impaired insulin signaling and spatial learning in middle-aged rats: The role of PTP1B. Experimental Gerontology 2018, 104: 66-71. PMID: 29421605, DOI: 10.1016/j.exger.2018.02.005.Peer-Reviewed Original ResearchConceptsMiddle-aged ratsBrain-derived neurotrophic factorΒ-amyloid contentAlzheimer's diseaseInsulin resistanceTau phosphorylationMorris water maze testMiddle-aged Wistar ratsInsulin tolerance testMain risk factorsAge-related changesNeurotrophic factorTolerance testRisk factorsMaze testImpaired insulinWistar ratsNew therapiesHippocampus regionBody weightCognitive declineRole of PTP1BSynaptic plasticityRatsSpatial learning