Featured Publications
Cardiac dopamine D1 receptor triggers ventricular arrhythmia in chronic heart failure
Yamaguchi T, Sumida TS, Nomura S, Satoh M, Higo T, Ito M, Ko T, Fujita K, Sweet ME, Sanbe A, Yoshimi K, Manabe I, Sasaoka T, Taylor MRG, Toko H, Takimoto E, Naito AT, Komuro I. Cardiac dopamine D1 receptor triggers ventricular arrhythmia in chronic heart failure. Nature Communications 2020, 11: 4364. PMID: 32868781, PMCID: PMC7459304, DOI: 10.1038/s41467-020-18128-x.Peer-Reviewed Original ResearchConceptsVentricular arrhythmiasDopamine D1 receptorsD1 receptorsChronic heart failureHeart failure patientsSustained ventricular tachycardiaNormal calcium handlingFailure patientsHeart failureModel miceVentricular tachycardiaPathophysiological roleCalcium handlingTherapeutic targetDopamine systemSingle-cell resolution analysisArrhythmiasD1RCardiomyocytesReceptorsTachycardiaPatientsMice
2015
A Food-Derived Flavonoid Luteolin Protects against Angiotensin II-Induced Cardiac Remodeling
Nakayama A, Morita H, Nakao T, Yamaguchi T, Sumida T, Ikeda Y, Kumagai H, Motozawa Y, Takahashi T, Imaizumi A, Hashimoto T, Nagai R, Komuro I. A Food-Derived Flavonoid Luteolin Protects against Angiotensin II-Induced Cardiac Remodeling. PLOS ONE 2015, 10: e0137106. PMID: 26327560, PMCID: PMC4556625, DOI: 10.1371/journal.pone.0137106.Peer-Reviewed Original ResearchMeSH KeywordsAngiotensin IIAnimalsAntioxidantsAtrial Natriuretic FactorConnective Tissue Growth FactorDietFibroblastsFibrosisFlavonoidsFoodHeartHydrogen PeroxideHypertrophyLuteolinMaleMyocardiumOxidative StressPhosphorylationRatsRats, Sprague-DawleySignal TransductionTransforming Growth Factor beta1Ventricular RemodelingConceptsCardiac remodelingAng IIOral pretreatmentII-Induced Cardiac RemodelingOxidative stressCultured rat cardiac fibroblastsRat cardiac fibroblastsPhosphorylation of JNKHyperoxidative stateAntifibrotic effectsCardiac fibrosisCardiac functionLuteolin pretreatmentTGFβ1 expressionCardiac fibroblastsPotent antioxidantHerbal extractsProtective actionCardiac tissueRemodelingExpression levelsGene expression levelsDietPretreatmentProtective properties
2010
Promotion of CHIP-Mediated p53 Degradation Protects the Heart From Ischemic Injury
Naito AT, Okada S, Minamino T, Iwanaga K, Liu ML, Sumida T, Nomura S, Sahara N, Mizoroki T, Takashima A, Akazawa H, Nagai T, Shiojima I, Komuro I. Promotion of CHIP-Mediated p53 Degradation Protects the Heart From Ischemic Injury. Circulation Research 2010, 106: 1692-1702. PMID: 20413784, DOI: 10.1161/circresaha.109.214346.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnimals, NewbornApoptosisBase SequenceBenzoquinonesCell HypoxiaChlorocebus aethiopsCOS CellsDisease Models, AnimalGenetic TherapyHSP90 Heat-Shock ProteinsHumansHypoxia-Inducible Factor 1, alpha SubunitLactams, MacrocyclicMaleMiceMice, Inbred C57BLMice, KnockoutMolecular Sequence DataMutationMyocardial InfarctionMyocytes, CardiacPromoter Regions, GeneticProteasome Endopeptidase ComplexProtein Processing, Post-TranslationalRatsRats, WistarRNA InterferenceTranscriptional ActivationTumor Suppressor Protein p53Ubiquitin-Protein LigasesUbiquitinationVentricular RemodelingConceptsMyocardial infarctionP53 accumulationCardiomyocyte apoptosisCoronary heart diseaseNumber of patientsNovel therapeutic strategiesP53 degradationApoptosis of cardiomyocytesHeat shock proteinsHeart failureIschemic injuryCardioprotective effectsVentricular remodelingCHIP overexpressionHeart diseaseInfarctionTherapeutic strategiesProteasomal degradationMyocardial apoptosisAmount of p53Molecular mechanismsShock proteinsP53 antagonistP53 accumulatesProtein levels