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 PMID: 39264820, 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-DAGMuscle1571-P: CIDEB and CGI-58 Regulate Liver Lipid Droplet Size with Cholesterol Content, Linking to Inflammation and Fibrosis in Metabolic Dysfunction–Associated Steatohepatitis
SAKUMA I, GASPAR R, NASIRI A, KAHN M, ZHENG J, GUERRA M, YIMLAMAI D, MURRAY S, PERELIS M, BARNES W, VATNER D, PETERSEN K, SAMUEL V, SHULMAN G. 1571-P: CIDEB and CGI-58 Regulate Liver Lipid Droplet Size with Cholesterol Content, Linking to Inflammation and Fibrosis in Metabolic Dysfunction–Associated Steatohepatitis. Diabetes 2024, 73 DOI: 10.2337/db24-1571-p.Peer-Reviewed Original ResearchLipid droplet sizeCGI-58Choline-deficient l-amino acid-defined high-fat dietGlycerol-3-phosphate acyltransferaseAntisense oligonucleotidesComparative gene identification-58Glycerol-3-phosphateLoss of function mutationsLipid droplet morphologyExpression of CGI-58Liver inflammationCidebCholesterol contentFunction mutationsL-amino acid-defined high-fat dietComplications of type 2 diabetesMolecular mechanismsDevelopment of liver inflammationMacrophage crown-like structuresType 2 diabetesHigh-fat dietCrown-like structuresASO treatmentGPAMKnockdown292-OR: Coenzyme A Synthase Knockdown Alleviates Metabolic Dysfunction–Associated Steatohepatitis via Decreasing Cholesterol in Liver Lipid Droplets
SAKUMA I, GASPAR R, NASIRI A, KAHN M, GUERRA M, YIMLAMAI D, MURRAY S, PERELIS M, BARNES W, VATNER D, PETERSEN K, SAMUEL V, SHULMAN G. 292-OR: Coenzyme A Synthase Knockdown Alleviates Metabolic Dysfunction–Associated Steatohepatitis via Decreasing Cholesterol in Liver Lipid Droplets. Diabetes 2024, 73 DOI: 10.2337/db24-292-or.Peer-Reviewed Original ResearchCholine-deficient l-amino acid-defined high-fat dietAccumulation of cholesterolMRNA expressionPlasma ALTL-amino acid-defined high-fat dietProtective effectLiver lipid dropletsType 2 diabetesPotential therapeutic approachHigh-fat dietDecreased plasma ALTFibrosis markersFree cholesterol accumulationLipid dropletsLiver inflammationDay 1Macrophage markersHepatic inflammationMouse modelMarker expressionTherapeutic approachesDay 2Day 3Day 7Fibrosis
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
Physical 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
2018
Unsaturated fatty acids from flaxseed oil and exercise modulate GPR120 but not GPR40 in the liver of obese mice: a new anti-inflammatory approach
Gaspar R, Veiga C, Bessi M, Dátilo M, Sant'Ana M, Rodrigues P, de Moura L, da Silva A, Santos G, Catharino R, Ropelle E, Pauli J, Cintra D. Unsaturated fatty acids from flaxseed oil and exercise modulate GPR120 but not GPR40 in the liver of obese mice: a new anti-inflammatory approach. The Journal Of Nutritional Biochemistry 2018, 66: 52-62. PMID: 30771734, DOI: 10.1016/j.jnutbio.2018.12.003.Peer-Reviewed Original ResearchConceptsHigh-fat dietPhysical exerciseObese miceNew anti-inflammatory approachesFlaxseed oilAnti-inflammatory approachesAnti-inflammatory propertiesChronic physical exerciseImpact of exerciseType 2 diabetesInflammatory markersInflammatory responseExercise performanceHepatic metabolismGPR120Fat depotsSources of ω3GPR40ObesityLiverΒ-arrestinMiceRelated cascadesExerciseInsulin
2017
Physical exercise reduces pyruvate carboxylase (PCB) and contributes to hyperglycemia reduction in obese mice
Muñoz V, Gaspar R, Crisol B, Formigari G, Sant’Ana M, Botezelli J, Gaspar R, da Silva A, Cintra D, de Moura L, Ropelle E, Pauli J. Physical exercise reduces pyruvate carboxylase (PCB) and contributes to hyperglycemia reduction in obese mice. The Journal Of Physiological Sciences 2017, 68: 493-501. PMID: 28710665, PMCID: PMC10717866, DOI: 10.1007/s12576-017-0559-3.Peer-Reviewed Original ResearchConceptsDiet-induced obesityObesity-inducing dietInsulin tolerance testObese micePhysical exerciseDIO miceExercise trainingControl miceHepatic tissueStandard rodent chowDevelopment of hyperglycemiaExercise training protocolType 2 diabetesTreadmill running protocolPhysical exercise sessionGlucose homeostasis controlEXE miceHyperglycemia reductionObese conditionsRodent chowTolerance testSerum glucoseSwiss miceExercise sessionsEpididymal fat