2024
Small molecules targeting selective PCK1 and PGC-1α lysine acetylation cause anti-diabetic action through increased lactate oxidation
Mutlu B, Sharabi K, Sohn J, Yuan B, Latorre-Muro P, Qin X, Yook J, Lin H, Yu D, Camporez J, Kajimura S, Shulman G, Hui S, Kamenecka T, Griffin P, Puigserver P. Small molecules targeting selective PCK1 and PGC-1α lysine acetylation cause anti-diabetic action through increased lactate oxidation. Cell Chemical Biology 2024, 31: 1772-1786.e5. PMID: 39341205, PMCID: PMC11500315, DOI: 10.1016/j.chembiol.2024.09.001.Peer-Reviewed Original ResearchPhosphoenolpyruvate carboxykinase 1Lysine acetylationTricarboxylic acidAnti-diabetic effectsAnaplerotic reactionsGluconeogenic reactionsLiver-specific expressionGluconeogenic metabolitesLactate oxidationSmall moleculesAnti-diabetic actionSuppressed gluconeogenesisHepatic glucose productionPGC-1aAcetylationOxaloacetateGluconeogenesisObese miceGlucose productionIncreased glucoseGlucose oxidationSubstrate oxidationOxidationGlucoseMutantsSkeletal muscle TET3 promotes insulin resistance through destabilisation of PGC-1α
Liu B, Xie D, Huang X, Jin S, Dai Y, Sun X, Li D, Bennett A, Diano S, Huang Y. Skeletal muscle TET3 promotes insulin resistance through destabilisation of PGC-1α. Diabetologia 2024, 67: 724-737. PMID: 38216792, PMCID: PMC10904493, DOI: 10.1007/s00125-023-06073-5.Peer-Reviewed Original ResearchConceptsTen-eleven translocationMuscle insulin sensitivityRNA-seqPGC-1aRegulation of muscle insulin sensitivityType 2 diabetesAnalysis of RNA-seqResponse to environmental cuesGenome-wide expression profilingWild-typeHFD-fedHFD-induced insulin resistanceHigh-fat diet (HFD)-inducedExpression levelsMaintenance of glucoseSkeletal muscle insulin sensitivityAccession numbersSkeletal muscleEnhanced glucose toleranceFamily dioxygenasesMitochondrial respirationSkeletal muscle of humansEnvironmental cuesMitochondrial functionBiological processes
2023
AMPK Regulates DNA Methylation of PGC-1α and Myogenic Differentiation in Human Mesenchymal Stem Cells
Wu J, Gulati S, Teague A, Kim Y, Tryggestad J, Jiang S. AMPK Regulates DNA Methylation of PGC-1α and Myogenic Differentiation in Human Mesenchymal Stem Cells. Stem Cells And Development 2023, 32: 131-139. PMID: 36594575, PMCID: PMC9986020, DOI: 10.1089/scd.2022.0226.Peer-Reviewed Original ResearchConceptsActivation of AMP-activated protein kinasePGC-1a expressionMitochondrial programDNA methylationCompound CMitochondrial biogenesisAMPK activationActivation of AMPKAMP-activated protein kinaseAMPK inhibitor compound CInhibition of DNA methylationRegulator of mitochondrial biogenesisRegulate mitochondrial biogenesisPGC-1aInhibitor compound CPromoter methylationIncreased mitochondrial functionRegulation of energy metabolismMitochondrial DNAEpigenetic landscapeDNA demethylationMtDNA abundanceMyogenic differentiationEpigenetic regulationProtein kinase
2021
The Effect of a HIIT Training Course on the Expression of PGC-1α, SIRT1, and SIRT3 Genes in the Cardiac Tissue of Elderly Female Rats
Hassanpour K, Abedi B, Moradi L. The Effect of a HIIT Training Course on the Expression of PGC-1α, SIRT1, and SIRT3 Genes in the Cardiac Tissue of Elderly Female Rats. Journal Of Vessels And Circulation 2021, 2: 209-216. DOI: 10.32598/jvc.2.4.100.1.Peer-Reviewed Original ResearchHigh-intensity interval trainingHIIT trainingPGC-1aWeeks of HIIT trainingHIIT training groupTraining coursesElderly female ratsSPSS software v.Interval trainingHIIT exerciseTraining groupControl groupTraining sessionsExperimental groupElderly conditionsOne-way analysis of varianceCardiac tissueExerciseFemale ratsShapiro-Wilk statistical testOlder ageAnalysis of varianceOne-way analysisFemale Sprague-Dawley ratsIntraperitoneal injection of ketamine
2020
Role of metformin in epigenetic regulation of placental mitochondrial biogenesis in maternal diabetes
Jiang S, Teague A, Tryggestad J, Jensen M, Chernausek S. Role of metformin in epigenetic regulation of placental mitochondrial biogenesis in maternal diabetes. Scientific Reports 2020, 10: 8314. PMID: 32433500, PMCID: PMC7239922, DOI: 10.1038/s41598-020-65415-0.Peer-Reviewed Original ResearchMeSH KeywordsAcetylationAdultAMP-Activated Protein KinasesAnimalsCohort StudiesDiabetes, GestationalDiet, High-FatDNA MethylationEpigenesis, GeneticFemaleHistonesHumansMaleMetforminMiceMice, Inbred C57BLMitochondriaOrganelle BiogenesisPeroxisome Proliferator-Activated Receptor Gamma Coactivator 1-alphaPlacentaPregnancyPregnancy in DiabeticsPromoter Regions, GeneticSex FactorsConceptsActivation of AMP-activated protein kinaseMitochondrial biogenesisPGC-1a expressionH3K27 acetylationAMP-activated protein kinaseRegulator of mitochondrial biogenesisMitochondrial transcription factor ASubgroup of diabetic womenAssociated with epigenetic regulationPGC-1aAberrant epigenetic alterationsLevels of H3K27 acetylationOffspring long-term healthProliferator-activated receptor gamma coactivator 1-alphaPeroxisome proliferator-activated receptor gamma coactivator 1-alphaPromoter methylationTranscription factor AImpaired mitochondrial biogenesisIncreased promoter methylationGamma coactivator 1-alphaDecreased histone acetylationIncreased H3K27 acetylationCoactivator 1-alphaLong-term healthCapability of metformin
2017
Effects of maternal diabetes and fetal sex on human placenta mitochondrial biogenesis
Jiang S, Teague A, Tryggestad J, Aston C, Lyons T, Chernausek S. Effects of maternal diabetes and fetal sex on human placenta mitochondrial biogenesis. Placenta 2017, 57: 26-32. PMID: 28864016, PMCID: PMC5659203, DOI: 10.1016/j.placenta.2017.06.001.Peer-Reviewed Original ResearchConceptsMtDNA contentResponse to maternal diabetesMitochondrial biogenesisMitochondrial DNAPGC-1aEffects of maternal diabetesMaternal diabetesRegulator of mitochondrial biogenesisTranscription factor AImpaired mitochondrial biogenesisMitochondria transcription factor ABiogenesis pathwayMetabolic diseasesMtDNAFetal sex-specific differencesCopy numberTFAM levelsGene expressionMale offspringBiogenesisAbnormal placental functionTFAMNon-diabetic womenOffspring sexIndex of mitochondrial biogenesisRole of microRNA-130b in placental PGC-1α/TFAM mitochondrial biogenesis pathway
Jiang S, Teague A, Tryggestad J, Chernausek S. Role of microRNA-130b in placental PGC-1α/TFAM mitochondrial biogenesis pathway. Biochemical And Biophysical Research Communications 2017, 487: 607-612. PMID: 28433632, PMCID: PMC5522006, DOI: 10.1016/j.bbrc.2017.04.099.Peer-Reviewed Original ResearchConceptsMiR-130b-3pPGC-1a expressionPGC-1aReactive oxygen speciesMicroRNA-130bExpression of miR-130b-3pRegulator of mitochondrial biogenesisMitochondrial transcription factor ADecreased protein abundanceTranscription factor AOffspring long-term healthResponse to high glucoseCells to high glucoseHigh glucoseMitochondrial biogenesis signalingLong-term healthOxidative stressMitochondrial biogenesisMitochondrial functionBeWo cellsTFAM expressionBiogenesis signalingMolecular mechanismsDownstream factorsHigh-glucose treatment
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