2019
High-throughput single-molecule RNA imaging analysis reveals heterogeneous responses of cardiomyocytes to hemodynamic overload
Satoh M, Nomura S, Harada M, Yamaguchi T, Ko T, Sumida T, Toko H, Naito AT, Takeda N, Tobita T, Fujita T, Ito M, Fujita K, Ishizuka M, Kariya T, Akazawa H, Kobayashi Y, Morita H, Takimoto E, Aburatani H, Komuro I. High-throughput single-molecule RNA imaging analysis reveals heterogeneous responses of cardiomyocytes to hemodynamic overload. Journal Of Molecular And Cellular Cardiology 2019, 128: 77-89. PMID: 30611794, DOI: 10.1016/j.yjmcc.2018.12.018.Peer-Reviewed Original ResearchConceptsTransverse aortic constrictionHemodynamic overloadCardiomyocyte sizeExpression levelsGene expressionHeart failure stageSingle-cell RNA sequencingSingle-molecule RNAMyosin heavy chain βSingle-cell quantitative PCRFetal gene expressionFetal gene programSingle-cell analysis methodsSingle-molecule fluorescenceHeart failureSingle-cell levelPressure overloadAortic constrictionHypertrophy stageCardiac hypertrophyIsolated cardiomyocytesMyh7 expressionTemporal regulationRNA sequencingFetal genes
2018
Cardiomyocyte gene programs encoding morphological and functional signatures in cardiac hypertrophy and failure
Nomura S, Satoh M, Fujita T, Higo T, Sumida T, Ko T, Yamaguchi T, Tobita T, Naito AT, Ito M, Fujita K, Harada M, Toko H, Kobayashi Y, Ito K, Takimoto E, Akazawa H, Morita H, Aburatani H, Komuro I. Cardiomyocyte gene programs encoding morphological and functional signatures in cardiac hypertrophy and failure. Nature Communications 2018, 9: 4435. PMID: 30375404, PMCID: PMC6207673, DOI: 10.1038/s41467-018-06639-7.Peer-Reviewed Original ResearchConceptsCardiac hypertrophyCardiomyocyte remodelingGene programHeart failurePressure overloadMorphological hypertrophyHeart functionHypertrophyP53 deletionEarly hypertrophyFunctional signaturesFunctional phenotypeLate hypertrophyP53 signalingTranscriptional signatureProgram activationMitochondrial inhibitionUnderlying mechanismCardiomyocyte identityCardiomyocytesMitochondrial activationRemodelingFailureTranscriptional programsActivation